Senior Thermal Analyst

Job ID: 719127BR Date posted: Feb. 26, 2026
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.


Lockheed Martin Space is seeking a full-time Senior Mechanical Engineer (Thermal Analysis). In this role you will be supporting the Orion thermal analysis team performing preliminary and detailed level analysis on spacecraft components and subsystems (Avionics, Propulsion, etc.), as well as performing comprehensive modeling on the entire spacecraft thermal system using standardized processes and tools (Thermal Desktop, SINDA/Fluint). Other related responsibilities include providing technical memos and input to data packages to support peer and customer reviews; presenting resultant design and analysis data to the spacecraft design/engineering team, customer technical representatives, and Program Office personnel at technical exchange meetings and formal design reviews; providing review, interpretation, flow down and implementation of all program requirements; providing thermal engineering planning and support for multi-week Thermal Cycle or TVAC and On-Orbit flight data; working interactively with diverse engineering disciplines in a fast-paced environment to develop cost-effective solutions to thermal control requirements which also satisfy producibility objectives defined by Manufacturing and Quality. The employee must develop solutions to complex problems which require the regular use of ingenuity and creativity, and work without appreciable direction and exercise considerable latitude in determining technical objectives and approaches to assignment.
Basic Qualifications:
• Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related technical field, with 3+ years of related experience and may have a post-secondary degree or training in a related discipline.
• Thorough knowledge of heat transfer and thermodynamic principles and their practical engineering application.
• Experience executing engineering design, analysis, and verification across the product development lifecycle.
• Proficiency with CAD and thermal analysis tools (e.g., Creo, Thermal Desktop, ANSYS, or equivalent).
• Apply creative and innovative solutions and resolve anomalous performance issues across any component of the thermal system.
• Excellent technical communication skills, including the ability to document and present analytical results to cross-functional stakeholders
• Experience with test planning and execution.
Desired Skills:
• Hands on experience with Thermal Desktop and SINDA/FLUINT.
• Experience using Python for scripting, data analysis, or model automation.
• Familiarity with first order heat transfer hand calculations.
• Experience designing spacecraft thermal control systems and hardware.
• Strong analytical skills for design and analysis of spacecraft thermal control subsystems, including the ability to lead investigations of complex thermal issues.
• Engineering and operational experience with spacecraft thermal control subsystem hardware and software.
• Experience with testing thermal hardware in complex systems, both planning and execution or appropriate background and aptitude for skill development.
• Exposure to integration and test (I&T) operations, such as MLI blankets installation and inspection of passive/active thermal control features.
• Ability and willingness to perform technical tasks during non-standard shifts, including 24/7 Thermal Cycle, TVAC, and launch support, with occasional extended hours.
• Skilled in Microsoft Office (Excel, Word, PowerPoint).
Clearance Level: None
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: 9x80 every other Friday off
Pay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $85,500 - $150,765. For states not referenced above, the salary range for this position will reflect the candidate’s final work location. Please note that the salary information 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 and business considerations when extending an offer.
Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays.
(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.
This position is incentive plan eligible.
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.
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 corporate responsibility.

If this sounds like a culture you connect with, you’re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.
Experience Level: Experienced Professional
Business Unit: SPACE
Relocation Available: Possible
Career Area: Mechanical Engineering
Type: Full-Time
Shift: First