Mechanical Design Engineer Sr - E3
Confirmed on the employer's own hiring board on Oct 17, 2026. First seen by Alion on Sep 3, 2026. Lockheed Martin scores A on the Alion truth index.
Standard Job Description
Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future.
At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity.
Join us in shaping a new era in space and find a career that's built for you.
As a Mechanical Engineer in the Structures and Propulsion organization your duties will include supporting the design, manufacture, procurement and test for the structure and propulsion subcomponents and assemblies, either in an oversight role for supplier-provided components, or as a direct production interface for in-house components. This job requires coordinating with customers, suppliers, test facilities, and other related disciplines including manufacturing, subcontracts, quality, structure design, analysis, systems engineering, and integration with affected subsystems and facilities. Other duties may include:
- Assist in the conceptual development, requirements definition, and design of structures and propulsion components and subsystems
- Perform trade studies to select the appropriate design solution
- Maintain engineering drawings, specifications, and technical analyses to support systems and components
- Work on a multi-disciplinary team performing design trades, detailed design/analysis activity and performance and maintenance assessments of operational systems
- Provide user documentation and recommendations to data packages to support peer and customer reviews, present analysis data to engineering teams, customer technical representatives, and Program Office personnel at technical interchange meetings and design reviews
- Support Subsystem Integration tasks and information requests on an as-needed basis
- Collaborate effectively with adjacent fields (systems engineering, electronics, stress/thermal analysis, configuration management, production, test, quality…)
The information below reflects the standard job description for this position:
Researches, plans, designs and develops mechanical products and systems such as instruments, controls, robots, engines, machines and mechanical, thermal hydraulic or heat transfer systems for production, transmission, measurement, and use of energy. Applies research to the planning, design, development, and testing of mechanical and/or electromechanical systems, instruments, controls, engines, and/or machines.
Basic Qualifications
- Bachelor’s degree or higher in Mechanical or Aerospace Engineering or related discipline or equivalent experience/combined education
- Solid understanding of Mechanical / Propulsion Engineering fundamentals including structures, mechanisms, propulsion systems and/or materials
- Progressive experience in the design, development, and/or integration of complex aerospace or defense systems
- Proficiency in industry standard CAD (Creo, Catia, AutoCad) software
- Proficiency in Microsoft Office applications
- Ability to obtain and maintain a Secret security clearance - must be a U.S. Citizen
Desired Skills
- Deep technical understanding of missile system disciplines, including but not limited to:
- Structural systems
- Propulsion Systems
- Thermal protection systems
- System integration and testing
- Non-conformance disposition in a Quality Management system
- Flight Hardware Design experience
- Experience with tolerance stack analysis
- Knowledge of other disciplines (i.e. - stress, dynamics, thermal analysis, production, ATLO, electronics)
- Knowledge of Geometric Dimensioning and Tolerancing (GD&T) per ASME Y14.5
- Proven ability to effectively manage and complete complex technical problems
- Experience with requirement definition, documentation and verification
- Experience operating through the full lifecycle development process with an emphasis on development, production, and sustainment
- Excellent verbal/written communication, presentation and interpersonal skills with technical and non-technical audiences
- Active Secret clearance
Proficient in AI prompting as it applies to this position and practice
Pay Information
Full-Time Salary Range: $95900.00 - $178100.00
At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow-both professionally and personally.
The salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer.
Benefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.
- Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.
- For (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.