Lockheed Martin · 17 hours ago
Mechanical Engineer - Thermal Analysis (Level II)
Sunnyvale, CA
Full-time
Onsite
Mid, Senior Level
3+ years expLockheed Martin Space is a leader in aerospace innovation, focusing on security and technological advancement in space. They are seeking a Mechanical Engineer to support the Aerothermal team, responsible for performing thermal analyses and collaborating across engineering fields to ensure missile system performance and reliability.
National DefenseCyber SecurityAerospaceManufacturingMachinery ManufacturingMilitaryNational SecurityRemote SensingSecurity
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Performing thermal analyses on missile system-level and subsystem-level hardware for the FBM D5LE2 program
Ownership of computational, physics-based modeling, simulations, and results
Correlate model results to missile system and subsystem requirements and support risk mitigation
Work and interact with multiple engineering fields across multiple sites
Present key findings and results to internal and external customers & stakeholder
Provide recommendations to support peer and customer reviews
Leverage thermal analysis expertise to support key program milestone reviews
Provide documentation and recommendations to data packages to support key discussions, present analysis data to engineering teams, customer technical representatives, and Program Office personnel at technical interchange meetings and program milestone design reviews
Qualification
Required
Knowledge of one or more of the following topics: thermodynamics, heat transfer, aero heating, material properties, computer programming
Knowledge of heat dissipation/cooling design
Understanding of physics-based modeling, simulation, and/or analysis
Ability to obtain a Top Secret clearance; US citizenship is required
Demonstrated experience in the following topics: thermodynamic analysis, heat transfer analysis, aeroheating analysis, material properties & characterization, and computer programming (Matlab, Python, Fortran)
Experience analyzing thermal systems and subsystems under operating environments and providing recommendations for heat dissipation and/or cooling
Strong mathematical, analytic, and data processing skills
Knowledge or experience with testing & instrumentation including test procedure development, instrumentation definition, test direction, and post-test model correlation
Excellent communication skills, both written and verbal, including MS Office proficiency
Experience with modern collaboration tools, such as Jira and Confluence
Preferred
Bachelor's degree (5+ years of experience) or Master's degree (3+ years of experience) in Physics, Aerospace Engineering, Mechanical Engineering, or a related discipline
Experience with any of the following software packages: NX Thermal (Preferred), Thermal Desktop, SINDA, TSS, Abaqus
Active Top Secret clearance
Company
Lockheed Martin
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.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$6.06BKey Investors
Air Force Research Laboratory
2025-12-05Post Ipo Debt· $3B
2025-08-28Post Ipo Debt· $3B
2023-11-13Grant· $33.7M
Leadership Team
Jim Taiclet
Chairman, President & CEO
Craig Martell
Chief Technology Officer
Recent News
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2026-02-07
2026-02-07
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