Thermal Engineer Sr

Thermal Engineer Sr Lockheed Martin Corporation - 4.0 Orlando, FL Job Details Full-time 23 hours ago Benefits Paid jury duty Paid holidays Health insurance Dental insurance 401(k) Paid time off Flextime Parental leave Vision insurance 401(k) matching Flexible schedule Qualifications Computational fluid dynamics (CFD) Technical writing FEA Structural analysis

Full Job Description JOB ID:

728336BR Date posted: May. 14, 2026

Description:

You will be the Thermal Analysis Mechanical Engineer for the Mechanical Analysis team within Lockheed Martin Missiles & Fire Control (MFC). Our team pioneers thermal and structural analysis solutions that enable precision engagement systems for the Army, Navy, Air Force, Marine Corps, NASA, allied forces, and civilian nuclear power customers. What You Will Be Doing As the Thermal Analysis Mechanical Engineer you will lead the creation and validation of thermal models for mechanical, structural, optical, and electronic assemblies. You'll work side by side with designers, suppliers, and test engineers to guarantee that every component meets rigorous performance, reliability, and safety specifications.

Your responsibilities will include:

Researching and developing viable thermal and structural solutions for complex systems and components. Building, calibrating, and correlating analytical models to support product development decisions. Planning and executing performance, structural, and thermal tests; capturing and interpreting measurement data. Documenting and reporting thermal and structural performance results for internal and external stakeholders. Assessing design concepts against specification limits, reliability targets, and cost constraints. Collaborating with material and parts suppliers—including plastics, composites, metals, ceramics, additive manufactured parts, fans, blowers, heat sinks, and thermal interface materials—to source optimal solutions. 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. Lockheed Martin offers a collaborative, mission driven environment where engineers turn cutting edge ideas into real world capabilities that protect our nation and allies. You'll be part of a high performing team that values innovative thinking, cross disciplinary cooperation, and continuous learning. This role stands out because you'll shape thermal management strategies for next generation aerospace and defense platforms while leveraging state of the art analysis tools and test facilities. If you thrive on solving challenging physics problems, enjoy working with diverse materials and suppliers, and want to see your work fly on real aircraft and space systems, this is the place to accelerate your career. Apply now and help power the future of defense technology. We offer flexible work schedules to comprehensive benefits investing in your future and security,

Further Information About This Opportunity:

This position is in Orlando, FL.

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.

Basic Qualifications:

Must have a minimum of 3 years of professional experience in Thermal Engineering or Thermal Analysis with knowledge of Computational Fluid Dynamics. Experience with CFD solvers, preferably Flo

EFD 2021.3

(or higher) OR other comparable CFD pre/postprocessors. Experience with FEM solvers, preferably Siemens SimCenter 3D 2020 Thermal (or higher) OR other comparable FEM pre/postprocessors.

Desired Skills:

Proficiency in active thermal control hydraulics and refrigeration, as it relates in the Aerospace sector. Demonstrated thermal test planning and execution skills. Demonstrated strength in either thermal analysis with a desire to learn more. Demonstrated strong problem solving and analytical skills. Excellent writing and verbal communication skills for generating test plans, test reports, documentation and potentially proposals are necessary. Proficiency in Microsoft Windows, Word, Excel, and PowerPoint. Experience with FORTRAN style input decks OR other comparable computer language. Experience with ablative thermal protection systems.

Security Clearance Statement:

This position requires a government security clearance, you must be a US Citizen for consideration.

Clearance Level:

Secret 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:

Part-time Remote Telework:

The employee selected for this position will work part of their work schedule remotely and part of their work schedule at a designated Lockheed Martin facility. The specific weekly schedule will be discussed during the hiring process.

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:

4x10 hour day, 3 days off per week 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:

MISSILES AND FIRE CONTROL

Relocation Available:

Possible Career Area:

Mechanical Engineering Type:

Full-Time Shift:

First At Lockheed Martin, we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges.

Pioneering Defense Technology:

From aerospace to outer space to cyber space, you can innovate mission solutions alongside the best minds in the business.

United By Culture:

Excellence, integrity, and collaboration define us. We accelerate change and embrace one another's perspectives to win for our customers.

Real Impact, Real Growth:

Grow your career and skills for life. Our wide array of opportunities and technology-driven learning programs enable your development and agility.

Your Health, Your Wealth, Your Life:

Competitive pay, comprehensive benefits and flexible schedules designed so you thrive — at work and beyond. Empowered to

Be Your Best:

Use your strengths to make a difference in the lives of one another, our customers, our communities, and our planet. Here, the possibilities are endless because we offer: Flexible Schedules, dependent on role

Levels:

Student, Entry, Mid, Senior, Management Locations:

Nationwide & OCONUS Positions