Mechanical Engineer Sr (Structures)

  • Lockheed Martin
  • King of Prussia, Pennsylvania
  • Full Time
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. Were creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security vision. Were erasing boundaries and forming partnerships across industries and around the world. Were advancing spacecraft and the workforce to fuel the next generation. And were 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. 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 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
Job ID: 487426771
Originally Posted on: 7/30/2025

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