101 Engineer Side Hustle Ideas

Engineers are some of the most creative and innovative people in the world. With An engineering degree, it means you already possess the technical and hard skills to start a side hustle.

This article is a compilation of ideas to make money outside of your normal 9-5 job. We’ve consolidated various side hustles that will complement your engineering skills and expertise.

There are a lot of opportunities out there if you are willing to spend time and effort in order to more earn money.

So, are you ready? 

Here is the list of 101 engineer side hustle ideas for the winners and dreamers like me.  


If you have the aptitude and a little training for drafting, this can be a great side hustle because it is something that not many people are familiar with, and it can be done from home.

1. Graphics Designing

Graphics designing is a form of art that requires a lot of creativity and skill. But with the help of technology, it has become easier to do graphics designing at home.

This is a great opportunity for people who have an eye for detail and are highly creative. Most people who take on this side hustle do so to make some extra money, but it can also be a good way to build your portfolio and experience in the design industry.

2. Animator

If you are looking for something that is more along the lines of 2D or 3D animation, then this would be the perfect side hustle for you. The animation industry is booming, and people are always in search of skilled animators who can produce quality content. Side hustle such as sand animator brings in a lot of money.

3. Interior Designing

Interior designing is a very lucrative industry with lots of opportunities for those who are willing to enter the field. These days, there are many software developers and graphic designers who are entering the interior design world. Architects are also doing more work in this area too, as they design the spaces that will eventually house these interior designers‘ creations.

The demand is already there, so all you need to do is start polishing your portfolio and market your talent

4. Industrial Designing

Industrial design is undergoing rapid changes. These days, industrial designers are needed for nearly everything. From the car you drive to the clothes you wear and the phone you use, industrial designers are responsible for making sure that our products are both functional and aesthetically pleasing. They bring new designs to life by working closely with engineers, marketing specialists and other design professionals.

 It’s a great industry for creative people, so this could be a good side hustle to have.

5. Architectural Drafting

Working with 3D rendering and another architectural drafting can be a very good side hustle as well. The 3D rendering and drawing skills are fairly common in architectures & engineering undergrad class, having these skills means you can offer various rendering services.  

6. Work as Freelance Illustrator Artist

If you have an artistic flair, then you can create artwork and put it on Etsy or another similar site in order to make a little money. This can be a great way to get started, and if your creations become popular, you could stand to generate some huge cash flow.

Related post:

• Learn how to Start An Advertising Design Side Hustle

7. Advertisement Designing

Advertising is a business that is usually done by professionals. However, with the help of a professional designing software, it can be something that you can do. If you have a good sense of how to advertise and create successful advertisements, this could be something great to get involved in.

If you’re a designer who is constantly inspired and looking for new ways to express yourself, then this could be the perfect opportunity for you. There are plenty of companies who need help creating ads that are worth paying for and that will attract attention.

Related post:

• Learn how to Start An Advertising Design Side Hustle

8. Caricature Artist

Caricature artists are in high demand, and they can make a lot of money from it. You will need to be skilled at drawing caricatures, but if you are, then this can be a lucrative side hustle for you.

Caricatures are a timeless way to capture a moment in time. Artists can use digital tools to take their skills to the next level of quality and accuracy. These digital tools can be used for creating cartoons, comic strips, designing logos, and of course caricatures.

This could be a great side hustle for you if you are talented, so check out sites like Fiverr and Craigslist to get started.

9. Fashion Designing

If you have a great sense of fashion and know-how to draw, then this could be very lucrative for you. You can start by creating a website and getting started with advertisements.

The fashion industry is a booming one, and it is not going anywhere for a while. The fashion industry is worth billions of dollars.

Design is one of the most popular careers in the creative industry. There are many companies out there that need assistance with design. There are also plenty of freelance websites where you can start finding clients and gaining experience.

10. Art Teacher:

The art world is changing, and it’s changing in a big way. With the increase of online courses and the demand for arts education, it’s become easier and more accessible to teach art as a side job. Paid classes can be found through sites such as Udemy, Skillshare, and Skillpanda, which provide tools to help instructors create their class curricula as well as a platform to sell.

This is something that a lot of parents want for their kids and there are also plenty of adults that would love to learn this as well.

11. Tattoo Artist:

Temporary Tattoos are in right now. And they aren’t going anywhere.

Tattoos are a great way to express oneself.  They are permanent, and they often have deep symbolic meanings.  But recently, some people are looking for something that is temporary that they can wear while they get to know themselves better. Temporary tattoos give them the ability to try different things out without having to commit too much time or skin to it.

12. Motion Graphics Designing:

Motion graphics designers are creative, artistic individuals who are responsible for creating moving images that tell a story. These designers have to have a deep understanding of design principles, animation principles, and the basics of video editing. They use this knowledge to create videos that are engaging and captivating.

Motion graphics is an increasingly popular and lucrative secondary job. It’s a creative skill in which designers are responsible for creating visual, animated graphics in 2D and 3D. These visuals are used in many different media, like commercials, TV shows, video games and more.

13. Technical Illustrator:

Technical illustration is a field that is rich in detail and creativity.

You have a knack for drawing, but you don’t have a ton of money to invest in art supplies? Luckily, there are plenty of online marketplaces where you can sell your graphics. One of these is called VectorStock, which allows designers to upload and sell their vector illustrations for money. Another site that does this is called Shutterstock, which makes it easy for anyone to buy stock photos and illustrations from.






14. Landscape Architects:

Landscape architects are responsible for designing the spaces in which we live, work and play. They create public parks and private gardens; they design housing developments, corporate campuses, college campuses and shopping malls.

If you enjoy working outdoors and have a knack for landscaping, this profession may be the perfect fit for you. Landscape design is becoming more and more in demand as of late with job listings increasing by 68%. With a passion for living life to the fullest, this may be the perfect way to turn your passions into a side hustle!


If you are good with numbers, estimating could be a great side hustle option for you. Estimating is all about using numbers to calculate the materials and labor that are necessary for a job.

15. Cost Estimator:

Cost estimators are responsible for getting together all of the information that a construction company will need to create an accurate estimate for the cost of a job. Most jobs can require multiple estimates, so you may be able to build a large clientele depending on where you live. You can begin your search by signing up with ZipRecruiter and Monster.com.

16. Construction Cost Analyst:

If you are good at estimating and can do it for a specific industry, then this could be ideal. Construction cost analysts use their skills to ensure that construction projects are completed on time and under budget. You can start your search by signing up on websites like ZipRecruiter and Monster.com.


If you are from an engineering background and have experience in the construction industry, then you could work as a planner. Planners are responsible for bringing together costs and design in order to create an accurate estimate from the start.

17. Building Planner:

Building planners work for the government and private organizations to inspect large projects and ensure that they are completed following the plans. Your main job will be to inspect construction plans, blueprints, and estimates to ensure that they are up to code. This will usually involve a lot of traveling around the state or country to visit different projects.

18. Planning Engineer:

This is the highest position that you can hold as a planner. You will be responsible for inspecting all of the plans and blueprints for private, government, and industrial projects. You will also be responsible for enforcing the rules of construction along with ensuring that the project is completed on time and under budget.

19. Maintainance Planning:

It is difficult to plan for unexpected problems, which is why it is important to work on preventive measures. Maintenance planning makes it possible to identify potential problems before they happen, thereby reducing the risk of system failure.

Technical maintenance is a great side job for those looking to have some extra cash on the side. With increased demand for technicians, there are plenty of opportunities in both the public and private sector. These jobs are often high-paying and can offer a variety of training opportunities to gain new skills as well.

20. Mechanical Tech or Planner:

The maintenance team is responsible for ensuring that all mechanical systems in a building or infrastructure are maintained properly. This may include HVAC, electrical, plumbing, boilers and much more.

Working in HVAC maintenance can be a lucrative side job for people with knowledge of the subject. There is a constant demand for skilled HVAC technicians and you can charge as much as $100 an hour as an independent contractor.

21. Environmental Planner:

Environmental planners craft a plan that will protect the environment. They may work with other planners, engineers, and lawyers to combine infrastructure and natural resources. Planners often have to deal with stakeholders and have a background in urban planning.

In the current economic climate, there is no shortage of people trying to find a way to earn some extra money. One way to do this is by becoming an environmental planner. This job is perfect for those who are passionate about the environment and looking for a job that has multiple benefits. The benefits of being an environmental planner can include things like making money, traveling and doing something you love all at the same.

Technical Writer:

Technical writing has grown into a lucrative industry. The demand for technical writers has sky-rocketed in the past few years with the increasing number of products on the market. These writers produce documents, books, or online tutorials that help people learn how to use new products or programs. Technical writers must be able to write clearly in order to make the product easy-to-understand while still remaining accurate.

22. Creating Process Reports:

Right now, there are millions of people looking to get a side job. If you have ever thought this might be the perfect opportunity for you, then you should consider becoming a process report writer.

Process report writers create detailed reports on the step-by-step instructions involved in completing tasks or projects.  It can be used in many areas, but is most commonly used in engineering and the sciences. These reports can also be used in business-to-business (B2B) transactions and can be written from your own perspective or third party perspective.

23. Writing Manuals:

Freelancing has become a popular and lucrative way to work. There are many people who have successfully made a living off of the concept. Manual writing is a good example of this. At times, manual writers can generate up to $100 per hour or more, depending on their skill and experience level. You can start finding jobs from freelance websites like Fiverr, Guru, or Upwork.

The future of manual writers is bright because they are skilled at what they do and their job is not going anywhere anytime soon. Manual writing will always be needed because it is a skill that cannot be automated.

24. Technical Report:

Technical reports are essentially technical documents that require a lot of research. They can include process reports, manuals, and other technical writing pieces that you will need to put together from scratch.

25. Technical Training:

Technical training is a job that you can get from many companies and freelance websites. All you’ll need to do is to create documents that will train people on how to use a specific product or how to do a specific job. The requirements for this job will vary depending on what kind of technical writing you’re able to do, so you’ll just need to contact your potential client about what they prefer.


Since you are trained as an engineer, you must have mastered some of the toughest subjects that some students might find to be difficult to understand. If you’re good at teaching, then you can start building a teaching portfolio and start making money as a teacher.

26. Math:

There is no denying that some students struggle with math. You can offer your services to teach them the basics or the formulas you are good at. You can create a YouTube channel, sign up for teaching websites or create your own website to attract students.

27. Science:

Engineering is all about science and its laws. Since you’ve been studying all those things for years, you know them inside out. As a science teacher, you can teach science classes in schools or on freelance websites.

28. Engineering:

While engineering is usually taught by professionals, you can also teach it. Some engineering students sometimes find it hard to understand some chapters or some equations. You can take advantage of this and start earning money by helping them understand the chapters. You can start your classes both online and offline.

29. Software:

Some online communities can offer private lessons. For example, you might teach someone how to use AutoCAD software or MATLAB software. You can also start your own teaching website or contact some people and offer them, private classes.

30. Technology:

Technology can be taught both online and offline. If you are a tech-savvy person, then you should be able to teach technology with ease. For example, you can teach someone how to use a smartphone or the best way to buy a new laptop. You can also create your blog and update your audience with the latest technologies.

31. Training Resource Speaker:

This is a job that requires you to be an expert in some training resources. For example, if you are good at creating training materials, then you can try to promote them and get paid for them. You can teach the materials in events or create your own website.


Consulting requires you to be knowledgeable in a specific field. As an engineer, you have ample knowledge about different topics and engineering is one of them. If you can create a consulting portfolio, then you should be able to start getting jobs and run a successful side hustle easily.

32. Software Engineer:

As a software consultant, you will need to help many companies and individuals to solve different problems. The engineers and clients will contact you directly so you must have a well-written and professional resume, portfolio, and cover letter in order to get the attention of both parties.

33. Chemical Engineer:

Chemical engineers mostly work with chemicals and different chemical processes. They have to design efficient equipment, determine the best process to use for a specific task, and help companies in using chemicals efficiently. You can develop safety measures, conduct research on chemicals and their reactions, or help companies to make the best products by cost-effectively using chemicals.

34. Nuclear Engineer:

If you’re a nuclear engineer, you should be able to help people learn about the different reactions and their properties. You will apply your knowledge to various fields including chemistry, physics, medicine, construction, and security among others. For example, if you work with radiation, then you should be able to teach people how to use and apply it safely.

35. Computer Engineer:

As a computer engineer, you will help people understand the technology behind computers. You might have to install new hardware and software in different organizations or help people to use the services of companies that provide computer support. You can also help people design new software and hardware systems for computers.

36. Civil Engineer:

Finding a side hustle as a civil engineer is relatively easy. You can either work with government organizations or private companies and help them solve different problems. For example, if they need to expand a road or change the structure of a building, then you can offer your services.

37. Electrical Engineer:

Electrical engineers are in high demand around the world and almost everyone needs their services. There are many jobs for electrical engineers in different organizations and some of them include working as a project manager, installation expert, consultant, and instructor.

38. Petroleum Engineer:

If you study petroleum engineering, then you should be able to work with oil and gas companies. You can help them design equipment, plan energy projects, and conduct research to discover new fuel sources.

39. Mechanical Engineer:

As a mechanical engineer, you will have to work with machines and everything that has moving parts. You can start your consulting company and offer services in different industries from sports, aviation, and manufacturing to health care. You can help people design better equipment or improve existing machines in order to increase efficiency.

40. Environmental Engineering:

As an environmental engineer, you can create clean environments for people to live in. You need to be knowledgeable about waste disposal systems, air, and water quality, as well as waste management. The services that you offer can be used by many companies including government organizations and private firms.

41. Industrial Engineer:

As an industrial engineer, you will help manage many of the resources in your company. You should be able to create a strategy that can make production more effective and increase efficiency. You can consult with different companies about how they can improve their production line or find ways to reduce time, cost, and waste.

42. Aeronautical Engineer:

As an aeronautical engineer, you will mostly work with aircraft and vehicles that require engines. You can help companies design new airplanes or other vehicles and develop new technologies that people can use.

43. Biomedical Engineer:

Biomedical engineers will mostly help with the health of people. You can work in different areas such as research and development, medical equipment, or pharmaceuticals. You can consult with different organizations and help them improve their operation or find new ways to provide services.

44. Marine Engineer:

If you’re a marine engineer, then you can start a consulting business that will help clients with their boats or yacht. You can do different tasks such as maintenance, repairs, or improvements to the structure. You can also help them understand how different machines function in order to make sure that everything runs smoothly.

45. Materials Engineer:

As a materials engineer, you can work with different materials and find ways to improve their quality. You can help clients select the right materials for their projects. You can also help them choose the materials that have the perfect strength, flexibility, and durability to create a product that they need.

Mechanical Engineer Side Hustles:

There are various types of engineering jobs that you can choose from. If you are looking to start a business as a side hustle, you can choose from these business ideas.

44. Start a Print on Demand Online Business for Mechanical Engineers

Print on demand is an on-demand printing technology that can produce a physical copy of a digital file. It is used by many companies and individuals to print their own books, CDs, DVDs, T-shirts, and other products.

For this business you will need access to the internet and some basic computer skills. You will also need to have some knowledge about mechanical engineering in order to be able to design the products that you want your customers to buy from you.

You will first need to register your company with either Amazon or Etsy as they are the two most popular sites for selling print on demand products online. Once registered, you can upload your designs onto their site so that people can order them. You can then sell these items for a price that you set and Amazon or Etsy acts as the middleman between you and the customer. You will also have to pay fees to both sites on top of your cost of printing each item.

45. Household Gadget Developer:

If you love to play with toys and gadgets, then this idea is for you. You can develop new products from old or unused devices. You can teach people how to fix or build their own tools using household items.

46. Auto Repair Shop:

If you have an interest in cars and machines or you are a mechanical engineering student, then this is the right side hustle for you. You can buy a used car and set up a garage in your home. You can repair different types of vehicles to make extra money.

47. Vending Machine Manufacturer:

As a Mechanical engineer, you can develop new and unique vending machines. You may have to come up with a unique design for the appearance of the machines. You can create your own vending machine business and sell the machines at a higher price.

48. Wind Belt Manufacturer:

If you like to build towers, then this is the right side hustle for you. You can join hands with a partner and develop your downwind belt. You can start your own products and sell them to different organizations that need wind belts.

49. Making Lapping Machines:

As a mechanical engineer, you can create lapping machines. You will need to run tests on different parts and develop a machine that runs perfectly. You can start making money by selling different parts, machines or even install the machine for customers and earn a commission from each sale.

50. Making Lapping Machines:

If you are an aspiring mechanical engineer, then this is the right business for you. You can make laps or wear-resistant parts using different materials. You can design the machine and then test its performance. Even if you are not a mechanical engineer, you can still make money from this business by installing the machine for clients.

51. Making Lath Machine Controller:

Another great business for mechanical engineers is to make controller machines. You can design the machine and then create different parts of its assembly. You may need to partner with an electronics engineer to create the software.

52. Induction Breaking Machines:

Engineering students can also start their own business by making induction-breaking machines. You can make the machine by using your expertise and sell it to clients or you can create a package kit and sell them for a higher price.

53. AC Coil Cleaning System:

If you are a student studying mechanical engineering, then this is the right business idea for you. You can design an AC coil cleaning system that cleans the coil by developing a strong liquid. You can also create a system that uses low energy to clean the coils. The cleaning system may need different parts so you will have to partner with electronics and plumbing engineers.

54. Waste Disposal Machines:

If you have an interest in water and other liquids, then this side hustle idea is for you. You can design waste disposal machines and start your own business. You can partner with an engineer to make the machines easy and simple to use for clients.

55. Surveillance Camera:

As a mechanical engineer, you can design surveillance cameras and start your own business. You can create different types of cameras depending on the customer’s request and install them in their required places. You may need to partner with a marketing or electronics engineer for this business.

56. Welding Business:

As a mechanical engineer, you can design unique welding machines and start your own business. You need to test the machines to make sure they have high quality. You can also partner with another engineer to create the machine and then market it through your own business website or local community.

57. Generator Repair Services:

As a mechanical engineer, you might have already know how to repair and design generator machines. You can start your own business by learning the basics of generator machines or repairing them.

58. Repair of Auto Air Conditioners:

Students can also start a side hustle by repairing different types of air conditioners. Most of the time, you will be repairing auto air conditioners. Cleaning and repairing air conditioners is not too difficult for Mechanical Engineering students; they just need to know how to do it perfectly.

59. 3D printing Business:

Mechanical engineers can also start their own 3D printing business by designing 3D models of different parts. You will have to find a way to create 3D models and then upload them to your website. You can also create packages for new clients if you want to earn a higher income.

60. Auto Parts Retail:

As a mechanical engineer, you already know how to deal with auto parts. You can start your own business by creating different packages for auto parts and then sell them. You can also partner with a marketing or sales engineer to help you grow your business.

61. Auto Parts Assembling Plant:

You can start your own business by creating auto parts assembling plant. You will have to find a place where you can set up the shop and then create packages for different auto parts. You can create a website for your business or partner with an engineer to create packages and sell them to potential customers.

62. Moving Escalators Business Idea:

Mechanical engineering students can also start a moving escalators business by creating the machines and selling them. You have to learn about staircase mechanics before starting this business. You can start this business by partnering with a sales and marketing engineer to market the products.

63. Scrap Metal Business:

If you have a garage and some time, then you can start a scrap metal business. You can work from your home or rent a place where you can store all the scrap metals. You can start by collecting scrap metals from different places and then sell them to local recycling plants or create your own recycling plant.

64. Chemical Industry Machines:

As a mechanical engineer, you can create machines used in the chemical industry and sell them. The best way to sell your products is through your own website. You can also partner with a chemical engineer and ask them for advice on how to start this business.

65. Solar Panel Manufacturing Company:

Solar and sustainable energies are becoming more popular in recent years. It gives mechanical engineers a good opportunity to start their own business by manufacturing solar power panels. You can create packages and sell them to local residents or sell them through your website.

66. Fitness Equipment Manufacturing:

Since people are becoming more and more health-conscious, it opens up a great opportunity to manufacture different types of fitness equipment. You can start your own business by finding a good place where you can create a manufacturing plant and sell your products to local gyms or residents.

67. Packing Supply Distributor:

As a mechanical engineer, you might know how to package different types of products. You can start your own business by learning the basics of packaging and then create packages for different types of products. You can find a good location to start this business and then contact businesses to buy your packaging materials.

68. Sale of Cooling Units:

From the experience of working in the field as a mechanical engineer, you already know how to deal with different types of cooling units. You can start your own business by learning about the different types of cooling units and then sell them to local businesses or residents. You can also sell them online using your website.

69. Plastic/paper recycling unit:

You can also start a recycling unit by learning the basics of recycling and then selling the recycling materials to local businesses or residents. You can either buy or rent a place to store your recycling materials and then sell them at regular intervals.

70. Manufacturing of Security Gadget:

Security is one of the major concerns of every family person. You can start a business by manufacturing different types of security gadgets such as burglar alarms and CCTV cameras. You can create packages for these products and then sell or rent them to local residents or businesses.

71. Car & Bike modification:

As a mechanical engineer, you must have learned about these things in your college days. So, now you can start your own business by understanding how different types of cars and bikes work and then modify them. You may have to create a website or a blog to help people hire you for these modifications.

72. Electric vehicles:

As a mechanical engineer, you can create your own electric bike or car by learning about the different types of parts and their functions. You can then sell your electric car and bike through your own website or marketing agents.

Civil Engineer Side Hustles:

As a civil engineer, there are plenty of options available for you to start a profitable side hustle. You can start your own business by picking one of the following options:

73. Lawn Care Service:

As a civil engineer, you are responsible for many of the structures in our city. However, you can also start a business that will help homeowners maintain their lawn and garden. You can offer services such as garden maintenance, tree care, lawn mowing, etc.

74. Construction Cleaning Business:

Many people need a second set of hands when they clean up their homes and offices. If you’re interested in working with construction cleaning, then you can start your own business. You will be responsible for cleaning up dirt and other construction materials from different locations.

75. Plumbing Business:

As a civil engineer, you already know building or housing structures. Using that knowledge, you can offer plumbing services to homeowners. You can check their pipes for leaks, repair any gas leaks using your engineering knowledge and equipment, and fix any other plumbing problems.

76. Flooring Company:

You can start a flooring company as a side hustle to help homeowners install their flooring. You can sell different types of flooring materials such as wood, tiles, carpet, and others. You can also help homeowners plan the best floor design for their homes.

77. Land Survey Services:

You can use the skills of land surveying to create a side hustle. As a surveyor, you can help homeowners build their houses or offices. You can also create a website or blog where you share your methods of land surveying to help others get started on this business idea.

78. Begin a construction company:

Since you were a civil engineer student, you already know most of the things about construction. So you can use your knowledge and experience to create your own construction company. You can help homeowners or businesses to plan out their construction needs and then finish the work for them.

79. Start Selling Your Civil Engineer Expertise:

As a civil engineer, you can start a designing structures, sell signed and sealed plans and drawing sets normally needed for building permit applications. This can range to a simple drainage design up to house extensions/renovations.You’ll need a professional engineers license in the State you are performing these side business.  

80. Selling construction equipment:

As a civil engineer, you can start selling different types of construction equipment such as shovels and rakes. You will need to source these items from your local market or online stores. Many people can’t afford to buy these items; so you can create a website where they can learn about your business and then order their items.

81. House Painting Business:

The house painting business is a great idea for a side hustle. You will be responsible for painting different buildings and homes. You can start this business by either working with the house to house or create your own company where people can select their painting and your team will go to each location to paint.

82. Floor Cleaning Services:

As a civil engineer, you can also start floor cleaning services in which you can use your civil engineering knowledge to clean and polish the floors. You will find lots of people that need to clean their floors, and you can use your skills and equipment to brighten up these floors.

83. Iron rods Supply:

If you have any connections with steel mills, then you can use their surplus product and start selling them online or in your local market. This business can help you earn more money from the materials that you have already used and earn some extra cash.

84. Ceiling Production:

As a civil engineer, you can repair and change the ceilings in different structures. You can also create your own ceiling production where you will be responsible for making high-quality ceilings. This business may a lot of investment, but you can make more than enough money from it.

85. Setting up Air conditioners:

People need air conditioners. Setting up and fixing air conditioners is a great side hustle. You can help homeowners install their air conditioners or repair their existing ones for them. You can also hire other people to help you with this business idea.

86. Interior Decoration Services:

Who doesn’t want to make their properties look more organized and beautiful? If you have a good sense of interior decoration, you can start your own business and help others with giving their properties a fresh look and make a good income out of it.

87. Property Developer:

As a civil engineer, you know almost everything related to construction. As a property developer, you can start your own company where you can provide consultation services to people that are planning to buy or build a property. You can also work with real estate owners and government organizations.

88. Freelance Civil engineer:

Many private companies are looking to hire freelance civil engineers for multiple projects. You can use your expertise to make an extra income every month. You just have to find these companies and show them your skills. It’s a great opportunity for you to gain some experience as well as cash.

89. Construction estimation service:

You can also start an estimation service where you will be responsible for estimating different construction projects. You will need to have some experience and knowledge of the latest developments in the industry. So, this business idea is only for advanced civil engineers.

90. Land Survey Service:

A land survey is important for different construction projects. You can use your civil engineering background in land surveying to provide an estimate for many companies. This business idea requires you to have a good knowledge of surveying and also the latest developments in land surveys.

91. Construction Consultant:

If you have a good amount of experience in the construction field then you can start your own construction consultant service. You will be responsible for providing consultancy services to different people that are interested in a new project.

92. Road Construction:

As a civil engineer, you know how road construction works. So, instead of working for someone else in this field, you can start your own road construction company. You can provide construction services to governments, private companies, and homeowners.

93. Aluminum Product Manufacturer:

Aluminum production is an essential process in the construction industry. If you have connections with aluminum manufacturing companies, then you can start your own business and help them sell their products. This business idea requires a decent amount of investment and experience in the manufacturing process but it offers a great profit as well.

94. Marble Cutting Polishing and Fitting:

Marbles are one of the essential items for construction. If you have the necessary equipment for marble cutting and polishing. You can start your own business and provide these services to homeowners, builders, hotels, and restaurants.

95. Rainwater Harvesting:

Rainwater harvesting is a great business idea for civil engineers. You can provide rainwater harvesting services to households, factories, and farmers through your own company or as a freelancer.

96. Reforming Properties:

As a civil engineer, you know how to make properties and buildings stronger. You can start your own business and reform old structures by providing them with new supports, walls, floors, beams, etc.

97. Construction Equipment Rental Business:

If you have some experience in construction machinery, then it can be a great business idea for constructing and excavating machines. You will have to invest in machinery and then start your own construction machinery rental business. Once you gain some reputation and experience, your investments will get recovered in no time.

98. Supply of Sand and Gravel:

You can also start a business where you will provide sand and gravel to different construction companies. You can work directly with the owners of these construction companies or you can be an intermediary and do this job for them.

99. Start Blogging as a Civil Engineer:

One of the best ways to get a lot of experience and become familiar with new developments in your field is by blogging. You can start a blog about civil engineering and share your experience with others and make money through ads and selling products like e-books or services.

100. Start Making Gates and Doors:

As a civil engineer, you know different designs and types of gates and doors. You can start your own business where you will be designing and making different types of gates and doors. You can get the materials from other suppliers, but you will have to provide the labor for this job.

101. Wiring business:

As a civil engineer, you already have the knowledge and training to wire/ rewire different types of buildings. This business idea is simple: all you need to do is to get a certification from your state and start offering your services to homeowners, builders, and hotels.


If you’re looking for a new way to make some extra money, it’s time that you get creative. Whether your goal is to save up for a dream vacation or just have more spending cash each month, there are tons of side hustles out there that can help you reach your goals.

We’ve compiled 101 different ideas in this post and we hope they help inspire the beginnings of your own side hustle journey! What kind of opportunity would work best with what skills do you already possess? Which one appeals most to where you want to be financial? Use these tips as inspiration for brainstorming ways to earn money on the side – because sometimes all it takes is an idea and a little elbow grease!!

MULTIPLECASH provides free-content on engineer side hustles, business ideas, blogs, valuable career tips, recommends products, product reviews and much more. When you buy through links in our site we may earn an affiliate commission. 

Leave a Comment