Thermal Engineer Senior jobs in United States
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Lockheed Martin · 15 hours ago

Thermal Engineer Senior

Lockheed Martin is a leader in aerospace and defense, and they are seeking a Senior Thermal Engineer to join their Mechanical Analysis team. The role involves leading the creation and validation of thermal models for various assemblies and collaborating with designers and suppliers to ensure performance and safety specifications are met.

AerospaceCyber SecurityMachinery ManufacturingMilitaryNational SecurityRemote SensingSecurity
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Growth Opportunities
badNo H1BnoteSecurity Clearance RequirednoteU.S. Citizen Onlynote

Responsibilities

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

Qualification

Thermal EngineeringComputational Fluid DynamicsCFD solversFEM solversThermal test planningActive thermal controlAnalytical skillsMicrosoft OfficeFORTRANAblative thermal protectionProblem solvingCommunication skills

Required

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 FloEFD 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
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
Existing Secret Clearance

Benefits

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
Holidays

Company

Lockheed Martin

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Lockheed Martin is a global security and aerospace company that specializes in advanced technology systems, products, and services. It is a sub-organization of Lockheed Martin.

Funding

Current Stage
Public Company
Total Funding
$6.06B
Key Investors
Air Force Research Laboratory
2025-12-05Post Ipo Debt· $3B
2025-08-28Post Ipo Debt· $3B
2023-11-13Grant· $33.7M

Leadership Team

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Jim Taiclet
Chairman, President & CEO
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Craig Martell
Chief Technology Officer
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Company data provided by crunchbase