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Apex - Spacecraft Manufacturing · 8 hours ago

Thermal Engineer (Senior)

Los Angeles, CA

Full-time

Onsite

Senior Level

$150K/yr - $195K/yr

5+ years exp

Apex - Spacecraft Manufacturing is focused on providing humankind access to the galaxy beyond our planet. They are seeking a Senior Thermal Engineer to develop and maintain spacecraft-level thermal models, evaluate thermal analysis results, and oversee thermal flight hardware integration.

AerospaceCommercialManufacturing

No H1B

U.S. Citizen Only

Hiring Manager

Arely Loya

Responsibilities

Develop and maintain spacecraft-level thermal models using Ansys Thermal Desktop

Evaluate and validate thermal analysis results to ensure accuracy and alignment with mission requirements

Drive innovation by identifying ways to reduce cost and complexity of legacy thermal subsystems

Plan and execute thermal subsystem milestone reviews (e.g., SRR, PDR, CDR, MRR)

Oversee thermal flight hardware integration and ensure quality control during build and test

Design, plan, and execute thermal vacuum tests at both component and system levels

Correlate test and flight data to thermal models to refine accuracy and performance predictions

Collaborate cross-functionally with mechanical, systems, and avionics teams to meet thermal requirements across the spacecraft lifecycle

Qualification

Thermal engineeringAnsys Thermal DesktopSpacecraft thermal controlSiemens NXThermal vacuum testingData acquisition systemsAnalytical skillsProblem-solving skillsCommunication skillsProject management

Required

U.S. Persons status is required as this position requires access to export-controlled data

Bachelor's degree in Mechanical Engineering, Aerospace Engineering, or a related field

5+ years of experience in thermal engineering, preferably in spacecraft or aerospace systems

Proficiency with thermal analysis tools, especially Ansys Thermal Desktop

Strong understanding of spacecraft thermal control systems

Familiarity with thermal margin definitions per MIL-STD, Aerospace TOR, or vendor command media

Proficiency with Siemens NX and Teamcenter

Experience with thermal vacuum testing, thermal test instrumentation, and data acquisition systems

Working knowledge of 2-phase thermal control systems

Strong analytical, problem-solving, and communication skills

Ability to critically assess thermal model results and correlate with test or flight data

Capable of managing multiple concurrent projects in a fast-paced environment

Benefits

Shared upside: Receive equity in Apex, letting you benefit from the work you create

Best-in-class healthcare: 100% company-paid medical, dental, and vision for you and your dependents, plus $100k life insurance at no cost

Comprehensive PTO package to reset and recharge - starting at 15 days vacation, growing to 20+ days annually, plus 10 paid holidays

Competitive 401(k) plan with generous matching - 100% match on first 3%, 50% on next 2%

8 weeks paid parental leave plus childcare reimbursement up to $350/day for work-related travel

Daily catered lunch and unlimited snacks to keep you fueled throughout the day

Vibrant community: Monthly office BBQs, pickleball tournaments, run club, and social gatherings for you and your family

Your dream desk setup and all the tools you need to be your most productive self

World-class Playa Vista office with EV chargers, with the benefit of in-person collaboration with amazing coworkers and flexibility to integrate work and life

Real impact opportunity: Work alongside experts from aerospace, new space, and other cutting-edge industries to make a lasting difference