How to Become an Engineer

Engineering is one of the few college majors where the degree name on your diploma directly determines your first job. A mechanical engineering graduate gets mechanical engineering jobs. A civil engineering graduate gets civil engineering jobs. This directness is both the appeal and the anxiety — you're making a significant career commitment at 18 years old, before you've done the work.

Here's what calms most of that anxiety: engineering specializations share far more in common than they differ. The math, physics, problem-solving methodology, and design thinking are universal. Engineers switch specializations regularly, especially early in their careers. Choosing "wrong" at 18 is fixable. Choosing not to try because you're overwhelmed by options isn't.

What Engineers Actually Do

"Engineer" is the broadest career title on this list. The daily work varies enormously by specialization, but some patterns are universal.

All engineers solve problems by applying math, science, and technical knowledge to design, build, test, and improve systems. The specific systems differ:

Mechanical engineers design physical systems — machines, engines, HVAC systems, medical devices, manufacturing processes. This is the broadest engineering discipline, and mechanical engineers work in virtually every industry. Median salary: $96,310.¹

Civil engineers design infrastructure — buildings, bridges, roads, water systems, and environmental systems. This is one of the oldest engineering fields and offers excellent job stability because infrastructure always needs maintenance and expansion. Median salary: $95,890.¹

Electrical engineers design electrical systems — power generation, circuits, electronics, control systems, and telecommunications. Overlaps significantly with computer engineering in modern practice. Median salary: $108,170.¹

Chemical engineers design processes for producing chemicals, fuels, pharmaceuticals, food, and materials. Despite the name, chemical engineers work in manufacturing, energy, and biotech more often than in chemistry labs. Median salary: $106,140.¹

Industrial engineers optimize complex systems — manufacturing processes, supply chains, healthcare delivery, and logistics. They focus on efficiency, quality, and cost reduction. Median salary: $99,380.¹

Aerospace engineers design aircraft, spacecraft, satellites, and defense systems. This specialization requires strong knowledge of aerodynamics, materials science, and propulsion. Median salary: $130,720.¹

Biomedical engineers apply engineering principles to healthcare — designing medical devices, artificial organs, imaging equipment, and pharmaceutical processes. This is one of the fastest-growing engineering fields. Median salary: $100,330.¹

Education Requirements

Bachelor's Degree (Required)

A bachelor's in engineering from an ABET-accredited program is the standard minimum requirement. ABET accreditation matters because many employers require it, and it's mandatory for Professional Engineer (PE) licensure.

Engineering programs are four to five years, depending on the school and whether co-op or internship requirements are built into the curriculum. The coursework is intense: calculus through differential equations, physics, chemistry, discipline-specific courses, labs, and a capstone design project.

Attrition rates are high. About 40-50% of students who enter engineering programs either switch to another major or leave school entirely. The first two years (heavy on calculus, physics, and chemistry) are the biggest filter. Students who survive the first two years almost always finish.

For students choosing where to study, our guide on getting into top engineering schools covers the admissions landscape.

Master's Degree (Optional but Valuable)

A master's in engineering takes 1-2 years and provides deeper specialization. It's not required for most engineering jobs but is increasingly expected for advanced technical roles, research positions, and certain specializations (especially biomedical and systems engineering).

The salary premium for a master's degree in engineering is typically $10,000-$20,000 annually. Whether that justifies the time and cost depends on your specialization and career goals. Many companies offer tuition reimbursement for engineers pursuing master's degrees part-time while working.

Professional Engineer (PE) License

The PE license is required for engineers who sign off on public works projects (bridges, buildings, water systems) and is most important in civil, structural, and environmental engineering. The process:

1. Graduate from an ABET-accredited program
2. Pass the Fundamentals of Engineering (FE) exam (typically taken senior year)
3. Gain four years of progressive engineering experience under a licensed PE
4. Pass the Principles and Practice of Engineering (PE) exam

For mechanical, electrical, chemical, and software engineering roles in the private sector, the PE license is optional. For civil engineers, it's essentially mandatory for career advancement.

Step-by-Step Path

Step 1: Prepare in high school. Take the most advanced math and science courses available — calculus, physics, and chemistry are prerequisites for engineering programs. Strong AP scores can place you out of introductory college courses and reduce time to graduation.

Step 2: Choose an ABET-accredited engineering program. Apply to programs across selectivity levels. State universities often have excellent engineering programs at a fraction of the cost of private schools. Check ABET's website for accredited programs. Our guide on how to choose a college covers the broader decision framework.

Step 3: Survive the first two years. This is the hardest part. Form study groups, use office hours aggressively, and get tutoring early if you're struggling. The students who fail aren't necessarily less smart — they're often the ones who try to power through alone instead of seeking help.

Step 4: Secure internships or co-op positions. Engineering internships are critical for both learning and employment. Most engineering employers expect 1-2 internships on your resume at graduation. Start applying sophomore year. Many programs have formal co-op programs that alternate semesters of school and work.

Step 5: Take the FE exam during senior year. Study for 2-4 weeks using the FE reference handbook and practice problems. The exam covers broad engineering fundamentals regardless of your specialization.

Step 6: Choose between industry, graduate school, or licensure track. Most graduates enter industry directly. Graduate school makes sense if you want to specialize deeply or pursue research. The PE licensure track is most relevant for civil, structural, and environmental engineers.

Salary and Job Outlook

Engineering consistently ranks among the highest-paying bachelor's degree career paths. Across all engineering specializations, the median annual wage was approximately $97,970 in 2023.²

Starting salaries for new engineering graduates typically range from $65,000 to $80,000, making engineering one of the strongest starting points financially. The National Association of Colleges and Employers reports that engineering graduates consistently have among the highest starting salaries of any major.³

Mid-career engineers (10-15 years of experience) typically earn $100,000-$150,000 depending on specialization and management responsibilities. Engineers who move into management or executive roles can earn $150,000-$250,000+.

The BLS projects 7% growth in engineering occupations overall from 2023 to 2033, with significant variation by specialization.² Civil and environmental engineering are growing faster due to infrastructure investment, while some traditional manufacturing-focused roles are growing more slowly.

What Nobody Tells You

The degree is hard, and it's supposed to be. Engineering programs aren't accidentally difficult. They're designed to test whether you can learn complex material under pressure, work in teams on ambiguous problems, and persist through failure. These are the exact skills the job requires. If the coursework feels overwhelming, that's normal. If it feels impossible after genuinely trying and seeking help, consider whether engineering is the right fit.

Your first job won't be what you imagined. New engineers spend more time on documentation, testing, and meetings than on designing things from scratch. The creative, ground-up design work comes with seniority. Entry-level work is important but often unglamorous.

Engineering culture varies enormously by company. Some companies work strict 40-hour weeks. Others expect 50-60 hours during critical project phases. Defense contractors and aerospace firms tend to have more structured hours. Startups and consulting firms tend to have more unpredictable schedules. Ask about work culture during interviews.

Communication skills are your bottleneck, not technical skills. Every senior engineer I've spoken with says the same thing: technical skills get you hired, communication skills get you promoted. Engineers who can explain complex technical concepts to non-engineers, write clear documentation, and present project updates to executives advance faster than brilliant engineers who can't communicate.

The gender gap is real and slowly improving. Women make up about 15-20% of engineering workers. Some specializations (biomedical, environmental, chemical) have higher percentages; others (mechanical, electrical, computer) have lower. The gap is a real challenge but shouldn't deter anyone — the field needs diverse perspectives, and companies are actively working to improve representation.

For perspective on how engineering compares to other high-earning paths, check the highest-paying college majors and the college vs trade school comparison.

Is This Career Right for You?

Engineering is right for you if you enjoy math and science, like solving practical problems with tangible outcomes, and can persist through difficult material that doesn't make sense on the first pass. Engineers build things that work, and the satisfaction of seeing your calculations become a physical structure, a working circuit, or a functional product is hard to match.

It's not right for you if you hate math (not just find it challenging — genuinely hate it), if you need constant creative freedom (engineering is constrained by physics, budgets, and regulations), or if you're choosing it solely for the salary (the difficulty of the degree burns out students who aren't genuinely interested in the work).

The best engineers are people who've always been curious about how things work and want to make them work better. That curiosity is what sustains you through the differential equations course at 8 AM.

FAQ

Which engineering field pays the most?

Petroleum engineering and aerospace engineering typically top the salary charts. Computer hardware engineering and electrical engineering also rank high. However, salary should be one factor among many — the highest-paying specialization in a field that bores you is a bad investment.

Can I switch engineering specializations after college?

Yes, especially in the first few years. The fundamentals are shared across disciplines, and many engineers move between specializations by learning on the job or pursuing a master's degree in a different field. Switching from mechanical to aerospace is common. Switching from civil to software is harder but possible.

Is engineering school harder than medical school?

They're different kinds of difficult. Engineering school requires deep mathematical and analytical thinking. Medical school requires enormous volumes of memorization and clinical judgment. Both are demanding, and comparing them directly isn't very useful. Choose based on what work you want to do, not which school is "harder."

Do I need to go to a top engineering school?

No. ABET accreditation matters more than school prestige for most engineering careers. State universities with strong engineering programs (Purdue, Virginia Tech, Georgia Tech, University of Illinois) produce excellent engineers. Elite schools (MIT, Stanford, Caltech) provide stronger networks for certain fields but aren't necessary for a successful engineering career.

What if I'm not sure which engineering major to pick?

Many universities offer a general first-year engineering curriculum where you take common courses and choose a specialization at the end of freshman year. If your school doesn't, mechanical engineering and electrical engineering are the broadest and provide the most flexibility.

Related degree guides:

• Engineering Degree Guide
• Engineering Careers
• Math Degree Guide
• Math Careers
• Physics Degree Guide
• Physics Careers