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Mechanical Engineer Sr; Structures Security Clearance
Job in
King of Prussia, Montgomery County, Pennsylvania, 19406, USA
Listed on 2026-01-28
Listing for:
Lockheed Martin
Full Time
position Listed on 2026-01-28
Job specializations:
-
Engineering
Systems Engineer, Engineering Design & Technologists, Mechanical Engineer, Aerospace / Aviation / Avionics
Job Description & How to Apply Below
Job Number 700110
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.
We are currently seeking a Mechanical Engineer to join our Mk21A team in Valley Forge, PA. In this role you will :
• Work closely with engineers, manufacturing and technical management and will be providing the integration, design and technical solutions including payload structures, thermal products and integration of mechanical, propulsion, electrical and RF components
• Independently develops and provides mechanical design solutions, of varying complexity, using solid models, detailed drawings, and release of engineering work products.
• Independently review requirements, from various sources (instrumentation, dynamics, stress, systems, thermal, manufacturing, etc.), to ensure that applicable requirements are flowed into the design of assigned products.
• Provides frequent interaction and collaboration with program leadership, analysts, peers, configuration management, and manufacturing, to ensure program requirements and schedules are met.
• Drives to completion of program achievements by the release of accurate, error-free, affordable and producible engineering designs.
Basic Qualifications:
• Experience creating 3D solid model designs using CREO or equivalent CAD software
• Knowledge of ASME Y14.5 including GD&T and tolerance stack up analyses.
• Familiar with manufacturing processes including documentation, machining, welding, heat treatment, surface treatment and assembly
• Knowledge of Mechanical Design Principles including Geometric Dimensioning and Tolerancing (GD&T)
• Ability to obtain and maintain a Top Secret clearance
Desired
Skills:
• Ability to collaborate effectively with adjacent disciplines (systems engineering, electronics, stress/thermal analysis, configuration management, production, test, quality...)
• Knowledgeable at a systems level in the areas of stress, propulsion, harness design, materials, and electrical design/analysis
• Experience with flight hardware and ground support equipment design
• Hands-on hardware experience
• Additive manufacturing experience
• Familiar with design for Manufacturability (DFM)
• Experience releasing full Model based designs
• Active Secret clearance
Security Clearance Statement:
This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: Top Secret
Other Important Information You Should Know
Expression of Interest:
By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.
Ability to Work Remotely: Onsite Full-time:
The work associated with this position will be performed onsite at a designated Lockheed Martin facility.
Work Schedules:
Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.
Schedule for this Position: 4x10 hour day, 3 days off per week
Lockheed Martin is an equal…
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