Mechanical Design Engineer Senior

Mechanical Design Engineer Senior | Lockheed Martin

You will be the Senior Mechanical Engineer for the Missiles & Fire Control (MFC) New Missile Team. Our team drives the concept to production journey for next generation missile systems, delivering robust mechanical designs, model based data, and validated tolerances that keep the program on schedule and on budget. What you will be doing as the Senior Mechanical Engineer you will own every mechanical design artifact that fuels the program. Working side by side with product engineers, production planners, and the global supply chain, you will turn concepts into solid model geometry, Model Based Design (MBD) deliverables, and tolerance analyses that enable rapid, reliable manufacturing. The role sits in the core design organization and collaborates across engineering, production, and logistics, with occasional travel to supplier sites and test facilities. Your responsibilities will include:

• Build and maintain 3 D CAD models and 2 D drawings in the Digital Product Lifecycle Management (dPLM) environment.
• Generate release ready engineering documents (drawings, BOMs, assembly part lists) for fabrication and procurement.
• Perform tolerance stack up and fit analyses to guarantee manufacturability and reliability.
• Apply MBD principles, embedding GD&T and feature control frames directly in the CAD model.
• Coordinate design changes across cross functional teams and keep dPLM baselines current.
• Provide Production Planning, Operations, and Global Supply Chain with accurate, up to date design data and troubleshooting support.
• Identify and implement innovative design solutions to resolve complex mechanical challenges.
• Lead design reviews, incorporate stakeholder feedback, and secure formal engineering release approvals.
• Ensure all documentation complies with DoD and Lockheed Martin standards.

Why join us? Do you want to be part of a company culture that empowers employees to think big, lead with a growth mindset, and make the impossible a reality? We provide the resources and give you the flexibility to enable inspiration and focus. If you have the passion and courage to dream big, work hard, and have fun doing what you love then we want to build a better tomorrow with you. You are a collaborative, results driven engineer who thrives in a high stakes, technically demanding environment. At Lockheed Martin MFC you'll work on cutting edge missile technology alongside world class engineers, gain exposure to the full product lifecycle, and see your designs move from the computer screen to actual hardware that protects our nation. We invest in your professional growth with mentorship, advanced tools, and opportunities to lead critical design reviews. If you're seeking a challenging role where your mechanical expertise directly impacts mission success, this is the place to accelerate your career and make a lasting difference. We offer flexible work schedules to comprehensive benefits investing in your future and security.

Further information about this opportunity: This position is in Grand Prairie, TX. MUST BE A U.S. CITIZEN - This position is located at a facility that requires special access. The selected candidate must be able to obtain a secret clearance.