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Mechanical Engineer – Thermal Engineering Lead

Job in Littleton, Arapahoe County, Colorado, 80161, USA
Listing for: Lockheed Martin Corporation
Full Time position
Listed on 2026-01-02
Job specializations:
  • Engineering
    Systems Engineer, Aerospace / Aviation / Avionics
Job Description & How to Apply Below

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.

When you join Global Security (GS), you will be a part of a team that excels at providing national capabilities that help maintain a technical advantage over our adversaries. Our team has a long and proud history supporting missions that contribute to National Security. We are passionate about space, our customers, our company, and our team. One day, the world may hear the full story of your GS achievements and discover the critical role you have played to defeat the enemies of freedom.

Come join the team that is working quietly to keep the light of liberty shining!

As a Thermal Engineering Lead on GS, you will:
  • Lead a team of 3-4 thermal engineers by providing technical oversight, daily tasking, mentoring, and training
  • Perform detailed thermal design and analysis on spacecraft components and the entire spacecraft thermal system
  • Provide technical memos and recommendations to support peer and customer reviews
  • Present design and analysis data to the spacecraft design/engineering team, customer technical representatives, and Program Office personnel at technical interchange meetings and formal design reviews
  • Provide review, interpretation, flow-down, and implementation of program requirements
  • Provide test support for component-level and system-level thermal tests
Basic Qualifications
  • Bachelor’s Degree in Engineering (or related technical field) or equivalent experience/combined education
  • Expertise with thermal analysis methods and processes (e.g. heat transfer, thermodynamics, fluid dynamics, classical hand calculations)
  • Expertise with finite difference and/or finite element numerical solution tools (e.g., Thermal Desktop, SINDA, NX Thermal)
  • Active Top Secret or SCI Security Clearance
Desired Skills
  • 15+ years of relevant professional experience in thermal analysis of space structures
  • Experience with analysis and test of thermal environments (e.g., thermal vacuum, thermal cycling, thermal balance)
  • Experience with engineering level computer programming (e.g. Matlab)
  • Experience with test engineering, instrumentation, data collection, and/or test reports
  • Ability and desire to assume ownership of tasks and quickly and efficiently drive to closure
  • Willingness to mentor and develop junior engineers
  • Excellent written and verbal technical communication skills
  • Ability to occasionally support 24/7 activities
EEO

Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.

The application window will close in 90 days; applicants are encouraged to apply within 5 – 30 days of the requisition posting date in order to receive optimal consideration.

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At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world’s most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work.

With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and…

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