Mechanical Engineer at an Aerospace & Defense Company
Design the machines that break the laws of gravity — from rocket engines to fighter jets to satellites.
Entry Pay
$85K–$115K
total comp
Hours / Week
~45
on average
Remote
Hybrid
flexibility
Specializations
4
paths to choose
Overview
Employers
Sector Vibe
Aerospace companies design and build aircraft, spacecraft, satellites, and defense systems. Engineers work on some of the most complex physical systems ever created — with extreme safety standards and long development cycles.
Day in the Life
Career Ladder
Career Levels
Engineering Intern / Co-op
- →Support senior engineers on FEA or CAD modeling tasks
- →Run analyses using established templates and document results
- →Assist with test setups and data collection in the lab
- →Attend design reviews to understand the engineering review process
- →Build familiarity with aerospace documentation standards (drawing formats, ICDs)
Entry-Level Mechanical Engineer
- →Develop and analyze structural, thermal, or mechanical system designs
- →Perform FEA and CFD simulations using ANSYS, Nastran, or equivalent tools
- →Create and release engineering drawings using CATIA, SolidWorks, or Creo
- →Support hardware testing and write test plans and test reports
- →Work within established design standards, material specs, and process documents
Mechanical Engineer (Mid-Level)
- →Lead design and analysis efforts for subsystems or major components
- →Interface directly with customers, suppliers, and manufacturing teams
- →Conduct and lead design reviews (PDR, CDR) for your component areas
- →Mentor junior engineers and review their work products
- →Develop technical solutions to novel design challenges with minimal direction
Senior / Lead Mechanical Engineer
- →Define the technical approach for entire subsystems or engineering domains
- →Lead multi-disciplinary technical teams through PDR and CDR
- →Interface with program management on technical risk and schedule
- →Set design standards and review processes for the engineering organization
- →Serve as the technical authority for customer and government reviews
Principal Engineer / Technical Fellow
- →Define technology roadmaps and long-range R&D strategy for the company
- →Solve novel engineering problems that have no established solutions
- →Represent the company to government agencies, standards bodies, and industry groups
- →Mentor and develop the next generation of senior engineers
- →Evaluate acquisitions, partnerships, and new program captures for technical viability
Specializations
Structures & Stress Analysis
3–5 yearsYou specialize in making sure things don't break. Using FEA tools like ANSYS, Nastran, or Abaqus, you analyze whether structures can survive launch loads, thermal cycling, acoustic vibration, and pressure differentials. Every component on a spacecraft or aircraft has a stress report behind it — you write those reports.
↑ High demand, especially with clearance — 10–15% premium for structures specialists on classified programs
Thermal Engineering
3–5 yearsSpace is 4 Kelvin on one side of a spacecraft and +150°C on the sunlit side. Getting heat in and out of a spacecraft to keep electronics alive is a specialized discipline. Thermal engineers design heat pipes, radiators, heaters, and thermal blankets — and run detailed thermal models to prove equipment stays within its operating range throughout a mission.
↑ Thermal specialists are relatively rare — premium of 10–20% over generalists on flight programs
Propulsion Systems
4–7 yearsRocket engines, thrusters, and propellant management systems. Propulsion engineers work with some of the most extreme materials and conditions in engineering — combustion temperatures exceeding 3000°C, turbopumps spinning at 30,000 RPM, propellants that ignite on contact. High technical demand, high compensation, limited number of companies that do this work.
↑ Top-paying ME specialty in aerospace — 20–35% above generalists; SpaceX and Blue Origin pay very competitively
Systems Engineering
5–8 years (typically requires deep domain experience first)You zoom out from individual components to look at the whole system — how all the pieces fit together, what happens when one subsystem's requirement changes, and whether the complete system will actually meet the customer's mission objectives. Systems engineers translate customer requirements into engineering specs and manage the interfaces between subsystems.
↑ Senior systems engineers are highly valued — 15–25% premium, especially on complex satellite or defense programs
Exit Opportunities
Compensation
📍 Location: Los Angeles (SpaceX, Northrop, Raytheon, JPL) and Seattle (Boeing) are the largest hubs and pay the most. Washington DC / Northern Virginia pay well due to defense program concentration. Huntsville, AL is a major NASA and defense hub with lower cost of living. SpaceX pays near-tech-industry rates for strong engineers and is the highest-paying traditional aerospace employer for mid-career talent. Government contractors (Lockheed, Northrop, Raytheon) pay more predictably but less than SpaceX at similar levels. Having a security clearance adds roughly $10–25K in effective compensation.
Source: BLS OES 17-2141 (2024), Glassdoor Aerospace Engineering Salaries 2024, LinkedIn Salary Insights 2024 · 2024
Education
Best Majors
Alternative Majors
Key Courses to Take
Top Programs
MIT — Department of Mechanical Engineering
BSBachelor of Science in Mechanical Engineering
The #1 ME program in the world. Extraordinarily rigorous — MIT's 'Course 2' produces engineers who can work at the frontier of almost any mechanical engineering discipline. NASA, SpaceX, DARPA, and every major aerospace company actively recruit from MIT. The research opportunities and alumni network are unmatched.
Caltech — Division of Engineering and Applied Science
BSBachelor of Science in Mechanical Engineering
Located in Pasadena, CA — five miles from JPL (NASA's Jet Propulsion Laboratory). Caltech-JPL ties are extraordinarily strong. The program is small (fewer than 50 ME undergrads per year) and research-intensive. If you want to work on planetary science missions, this is one of the best places on Earth to start.
Georgia Tech — Woodruff School of Mechanical Engineering
BSBachelor of Science in Mechanical Engineering
One of the top public ME programs in the US. Georgia Tech has a massive co-op program — many students do 2–3 engineering co-ops at aerospace companies before graduating, entering the job market with real experience. Strong aerospace industry ties in the southeast. Excellent value for in-state students.
University of Michigan — Department of Mechanical Engineering
BSBachelor of Science in Mechanical Engineering
Top 5 ME program in the US with a strong aerospace track. Michigan has outstanding aerospace research programs and deep recruiting ties to Boeing, NASA, and the major defense contractors. Large program — excellent alumni network.
A BS is sufficient to start working in aerospace — most entry-level engineers go straight to work after graduation. An MS in Mechanical or Aerospace Engineering opens doors to more research-oriented roles and accelerates the path to senior engineer. A PhD is primarily valuable if you want to work at NASA research centers (JPL, Langley, Ames), join a national lab (Sandia, LLNL), or become a technical fellow at a large company. Most aerospace companies also offer tuition reimbursement, so engineers frequently pursue MS degrees part-time while working. A security clearance is not a degree, but it functions like a graduate credential in the defense sector — it takes 6–18 months to obtain and dramatically increases your job options and salary.
School to Career
The stuff you're learning right now directly applies to this career — often in ways your teacher hasn't mentioned.
Courses That Matter
AP Physics C: Mechanics
AP Physics C: Mechanics is essentially the first semester of an engineering degree compressed into a high school course. Newton's laws, work-energy theorem, rotational motion, oscillations — these are exactly the tools a mechanical engineer uses every day to analyze forces on structures, predict motion of mechanisms, and understand how physical systems behave. If you love this class, engineering is probably your calling.
AP Calculus BC
Calculus is the language of engineering. Differential equations model vibrating structures, fluid flow, heat transfer, and control systems. Integrals compute moments of inertia, pressure distributions, and work done by forces. You will use calculus in nearly every engineering course from sophomore year onward — AP Calc BC is the foundation everything else is built on.
AP Chemistry
Aerospace engineers deal with materials at extreme temperatures and environments — rocket propellants, composite materials, thermal protection systems. Understanding chemical bonds, material properties, corrosion, and combustion chemistry makes you a more complete engineer. AP Chemistry also fulfills a college requirement at most engineering schools.
AP Computer Science A
Modern aerospace engineering is computational engineering. You'll write MATLAB scripts to post-process simulation data, Python code to automate analysis workflows, and parametric CAD models driven by equations. Programming is not optional for a 21st-century mechanical engineer — AP CS A gives you the fundamentals.
AP Statistics
Test data, material properties, manufacturing tolerances, sensor readings — aerospace engineering is full of uncertain numbers. Statistical analysis tells you whether your test results are meaningful, whether a design is robust across manufacturing variation, and how confident you are in a safety factor. AP Statistics is practical engineering training.
Engineering / CAD / Shop Class
If your school offers any kind of engineering, design, or fabrication course — TAKE IT. Building things, operating machine tools, using CAD software, understanding how designs translate to physical objects — this is experiential knowledge that engineering textbooks can't give you. Future ME students who've actually built things in high school are visibly more capable in their first engineering labs.
Extracurriculars That Count
FIRST Robotics Competition (FRC)
FRC is the single best preparation for a mechanical engineering career available to high schoolers. You design, fabricate, and program a competitive robot in six weeks — with real design reviews, real machining, real electrical wiring, and real game strategy. Aerospace companies send recruiters to regional competitions specifically to find FRC alumni. This is the activity that most directly demonstrates you can actually engineer things.
Model Rocketry / High-Power Rocketry (Tripoli, NAR)
Building and launching model rockets is how many aerospace engineers started. High-power rocketry certification (Level 1 and 2 through Tripoli or NAR) involves real propulsion, aerodynamics, and structural considerations. College aerospace clubs frequently have hybrid and liquid-propellant rocket teams — starting in high school puts you miles ahead.
Science Olympiad — Machines, Flight, Thermodynamics events
Science Olympiad's engineering events — Wright Stuff (free-flight airplane), Scrambler (egg-drop vehicle), Thermodynamics (insulated container design) — directly apply engineering principles in competitive settings. These events reward the same kind of thinking aerospace employers look for: constrained optimization, testing under time pressure, and learning from failure.
“If you were the person in physics class who actually stopped to wonder *why* the equations worked — or if you've ever looked at a plane in the sky and started thinking about the forces keeping it up — mechanical engineering in aerospace is the career where that curiosity gets rewarded every single day.”
Who Got Here Before You
Gwynne Shotwell
President & COO, SpaceX
Gwynne Shotwell is the business and operational brain behind SpaceX. She joined as employee #7 when the company had less than 20 people, building the sales organization from scratch and eventually running the entire company's operations. She has a BS in Mechanical Engineering and an MS in Applied Mathematics from Northwestern. Under her leadership, SpaceX became the world's most valuable private aerospace company — and she's the reason Falcon 9's launch cadence went from a few missions a year to over 90 in 2023.
Burt Rutan
Aerospace Designer; Creator of Voyager and SpaceShipOne
Burt Rutan is arguably the most creative aircraft designer of the 20th century. He designed Voyager — the first aircraft to fly around the world non-stop without refueling — and SpaceShipOne, the first private spacecraft to reach space. His company Scaled Composites pioneered the use of composite materials in aircraft and proved that a small team of inventive engineers could compete with billion-dollar aerospace programs.
Katherine Johnson
NASA Mathematician & Trajectory Analyst; Presidential Medal of Freedom Recipient
Katherine Johnson's orbital mechanics calculations were so accurate and trusted that John Glenn refused to launch on the Friendship 7 mission until she personally verified the numbers computed by the early IBM computers. She calculated the trajectories for the Apollo 11 moon landing and hundreds of other NASA missions. Her story — a Black woman mathematician at NASA when both segregation and barriers to women in STEM were pervasive — is one of the most important in the history of American engineering.
Where This Can Take You
Where This Career Can Take You
Software Engineer (Simulation / Engineering Software)
Mechanical engineers with strong programming skills increasingly transition to software engineering, especially in roles building simulation software, physics engines, CAD tools, or robotics software. Companies like Autodesk, ANSYS, Dassault Systèmes, and gaming companies (for physics engines) actively recruit engineers who understand both the physics and the code.
Trigger: ME discovers a passion for building simulation tools, CAD software, or engineering analysis software — skills that translate directly into software engineering roles at tech companies working on physical simulation
Aerospace / Hardware Startup Founder
The 'new space' revolution has created a wave of aerospace startups. Former SpaceX, Northrop, and Lockheed engineers have founded dozens of companies in orbital launch, satellite manufacturing, in-orbit servicing, and autonomous systems. Defense innovation funds (SBIR, DIU, In-Q-Tel) provide early-stage capital specifically for deep-tech aerospace startups.
Trigger: Engineer identifies an unmet need in defense, space, or industrial automation and has the domain expertise to build a better solution — often after seeing the problem firsthand at a large aerospace company