Sr. FEA Engineer (Thermal and Structural) Verified today

About the role

TRL11 develops novel video and imaging systems for spacecraft. This role leads simulation across thermal, structural and optical domains to support iterative design and final verification. You will establish and evolve TRL11's end-to-end simulation capabilities, with significant influence on engineering practices and direct impact from day one.

Responsibilities

• Develop and maintain high-fidelity finite element models for both iterative design analysis and final verification sign-off
• Perform thermal analyses for on-orbit environments including solar loading, radiation, and internal heat dissipation
• Perform structural analyses for launch environments including quasi-static loads, vibration, and shock
• Execute coupled thermo-mechanical simulations to evaluate distortion and performance impacts, especially for optically sensitive systems
• Model thermal behavior driven by solar illumination angles, radiative exchange, and conductive heat paths
• Analyze thermal performance of electronic systems with a focus on heat rejection and maintaining operating temperature limits
• Correlate simulation models with test data from vibration, shock, thermal, and thermal vacuum (TVAC) testing
• Define simulation assumptions, boundary conditions, and methodologies consistent with aerospace and DoD program expectations
• Generate clear, defensible analysis reports to support design reviews, technical decisions, and program milestones
• Partner closely with mechanical, optical, and electrical engineers to drive design decisions through simulation insights
• Support definition of test plans and instrumentation to enable model validation and correlation
• Own and evolve simulation workflows, including meshing strategies, solver selection, and toolchain improvements

Requirements

Minimum:

• 5-10 years of experience in simulation, mechanical, or aerospace engineering with strong hands-on FEA capabilities for thermal (steady-state and transient) and structural (stress, vibration, shock) analysis
• Proven ability to perform both iterative design simulations and high-fidelity verification, including developing and validating correlated models using test data
• Solid understanding of heat transfer (conduction, radiation) and structural mechanics, with the ability to define appropriate assumptions, boundary conditions, and model fidelity
• Experience supporting analyses aligned with aerospace or defense program requirements and communicating results clearly to cross-functional teams
• Proficiency with CAE tools such as ANSYS, Abaqus, COMSOL, Simscale, or similar
• Bachelors degree in Engineering or a related field

Benefits

• 401k, Health Care Plan (Medical, Dental and Vision)
• Unlimited Paid Time Off (with prior approval), for Vacation, Sick and Public Holidays, Parental Leave
• Possible Stock Option Plan participation, based on performance and tenure

Location: Irvine, CA