Job ID: 722196BR Date posted: Mar. 30, 2026
Description:Lockheed Martin has an exciting opportunity for a Thermal Analysis Mechanical Engineer in Orlando, FL.

This position is targeting a Level 2 candidate, but we are willing to consider Level 1 candidates with strong experiences.

This person will be a member of the Mechanical Analysis team and be responsible for the development of thermal analysis for mechanical, structural, optical, thermal, and electronic systems and assemblies.

Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems, products, and services. Lockheed Martin Missiles and Fire Control (MFC) is one of four Lockheed Martin business areas. MFC is a recognized designer, developer, and manufacturer of precision engagement aerospace and defense systems for the U.S. and allied militaries. MFC develops, manufactures, and supports advanced products for military customers that include the U.S. Army, Navy, Air Force, Marine Corps, NASA, and dozens of foreign allies. MFC also offers a wide range of products and services for the global civil nuclear power industry and the military’s green power initiatives.

As a Thermal Analysis Engineer, your responsibilities will include but are not limited to:
- Research and development of viable thermal and structural solutions for systems and components.
- Create and correlate analytical models to provide guidance for product development.
- Conduct performance, structural and thermal tests and measurements.
- Report and document product structural and thermal performance.
- Assess design merits with regard to product specification and reliability.
- Work with materials and parts suppliers, including plastics, composites, wrought and cast metals, ceramics, additive materials, fans, blowers, heat-sinks, and thermal interface materials.
Basic Qualifications:
* Pursuing a Bachelor's Degree from an accredited college, preferably in Mechanical Engineering or Aerospace Engineering (or related field). Pursuing or having a master's degree is highly preferred.

* Strong practical knowledge in heat transfer, thermodynamics, fluid dynamics principles, etc. demonstrated through strong academic performance, internships, projects, or other experience.

* Familiarity with (FEA) Finite Element tools (SimCenter 3D Thermal) and/or (CFD) Computational Fluid Dynamics (FloEFD) tools.

* Excellent problem-solving skills, with the ability to diagnose and troubleshoot complex electrical issues, demonstrated through hands-on experience.

* Strong communication and teamwork skills, demonstrated through successful group / individual projects and collaborations.

* Must be a U.S. citizen and have the ability to obtain a Department of Defense clearance.
Desired Skills:
* Experience in active thermal control hydraulics and refrigeration as it relates to the Aerospace sector.

* Demonstrated strength in thermal analysis with a desire to learn more.

* Excellent writing and verbal communication skills for generating test plans, test reports, documentation, and potentially proposals are necessary.

* Experience with MIL-STD-810, environmental test plans, and execution.

* Demonstrated strong problem-solving and analytical skills.

* Good writing and oral communication skills.

* Proficiency in Windows/Microsoft Office Suite: Windows, Word, Excel, and PowerPoint.

* Active secret clearance.
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: 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: 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: 4 yr and up College
Business Unit: MISSILES AND FIRE CONTROL
Relocation Available: Possible
Career Area: Mechanical Engineering
Type: Full-Time
Shift: First