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Mechanical Engineer Stf

Lockheed Martin
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Littleton, CO, USA
Sep 20, 2026

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 we enter a new era of Strategic Weapon Systems, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every single day we use our unique skills, talents and experiences to design and build solutions to some of the world’s hardest engineering problems. Do you want to be part of a culture that inspires employees to envision the impossible, perform with excellence and build incredible products? We provide the resources, inspiration and focus-if you have the passion and courage to dream big, then we want to build a better tomorrow with you.

For over 60 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s mission to provide affordable and credible strategic defense. We offer unique career opportunities and challenges on a program with a rich history and exciting future. We help keep this nation and our allies secure. The FBM Program is experiencing significant growth and we need your expertise to deliver amazing new technologies to our customers while maintaining the technical requirements of the strategic deterrence.

Learn about the Trident II D5 Fleet Ballistic Missile.

We want you to support the Fleet Ballistic Missile (FBM) D5LE2 Program in the Propulsion, Structures, Ordnance, and Controls (PSOC) team by joining the Structures Mechanical Engineering group as the Certified Principle Engineer (CPE) of the D5LE2 Equipment Section. 

The selected candidate will be involved in assisting in developing requirements, designing structures components through all phases of the development and production lifecycle, and bring designs, hardware, analysis, and test results through various reviews, into test flights, and on to production.

Note: US citizenship and ability to obtain Top Secret clearance

As the Equipment Section (ES) Certified Priciple Engineer (CPE), you will:

  • Own the comprehensive ES design with deep understanding of the system integration, requirements, and verification of the hardware
  • Create and Develop test plans with appropriate IPT
  • Provide technical inputs in required data products, proposals, and Technical Interchange Meetings
  • Design 3D models utilizing GD&T and drawings
  • Collaborate with manufacturing engineers throughout build cycle
  • Execute in a fast-paced environment
  • Create and communicate at various program reviews, Technical Interchange Meetings, Working Groups, etc.
  • Effectively communicate to various levels of leadership, inclusive of Navy counterparts, both technical and non-technical

Basic Qualifications

  • Relevant experience and education as a Mechanical Engineer in a design role, manufacturing, production, or related role
  • Proven self-starter with demonstrated capability to proactively work through difficult technical design constraints
  • Significant experience in 3D modeling software (Creo, solidworks, etc)
  • Microsoft Office suite of tools (powerpoint, excel, etc)
  • Ability to obtain a Top Secret clearance

Desired Skills

  • Demonstrated performance of being part of program development reviews (SRR, PDR, CDR)
  • Experience as a Certified Principle Engineer (CPE) of similar hardware
  • Experience with frequent customer interface and leadership interface
  • Experience with designing composites
  • Experience with designing metallics
  • Experience with test planning
  • Experience with manufacturing and Design for X
  • Experience with Model Based Engineering Practices
  • Project management knowledge with Risks and Opps, Earned Value, schedule nputs, estimating resources
  • Proficient in AI prompting as it applies to this position and practice.

Pay Information

Full-Time Salary Range: $118000.00 - $219100.00

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.

Job ID

996476621224
About Lockheed Martin

The F-35, PAC-3, and the GOES weather satellite...What do all of these technologies have in common? Talented people, our employees are the core of our business here at Lockheed Martin. As the leading global security, aerospace and information technology company-and the largest provider of IT services, systems integration & training to the U.S. government-we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges.

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