Collaborate with subsystem engineers to design and optimize thermal control systems for avionics and electro-mechanical components.
Evaluate the validity of thermal analysis results and ensure compliance with Mil-Standard, Aerospace TOR, and vendor requirements.
Plan, execute, and manage thermal testing campaigns, including thermal vacuum (TVAC) and thermal cycling tests.
Work with mechanical teams to develop passive and active thermal management hardware, including radiators, heaters, heat pipes, and coatings.
Support thermal subsystem milestone reviews (SRR, PDR, CDR, MRR).
Perform thermal model correlation using flight and test data.
Oversee thermal flight hardware integration and quality control.
Utilize Siemens NX and Teamcenter for thermal design and integration.
Requirements
3+ years of experience in radiative and conductive thermal modeling of spacecraft systems using Thermal Desktop or similar software.
Strong understanding of thermal margin definitions and aerospace thermal control standards.
Experience selecting, sizing, and designing thermal control hardware, including heat pipes, heaters, OSR, SSM, MLI, TEC, thermal paints, and tapes.
1+ year of experience with thermal cycling and thermal vacuum testing, including setup, instrumentation, and model correlation.
Preferred Qualifications
Experience with full-vehicle thermal vacuum testing and thermal model correlation.
Familiarity with 2-phase spacecraft thermal control systems.
Knowledge of PCBA thermal modeling and thermal interface materials (thermal grease, gap pads, etc.).
Experience with integrated spacecraft and launch vehicle thermal analysis.
Proficiency in Python, C/C++, or Matlab for thermal modeling and automation.
Understanding of SMC-S016 standards or equivalent.
Familiarity with Atlassian software tools and engineering workflows
#LI-AL1
WHY JOIN APEX?
Apex believes in creating a work environment that you look forward to embracing every day. Our employees love working at Apex, and we want you to love it too. We're a fast-growing startup that has raised more than $500M in funding, and we invest heavily in our people from day one.
WHAT WE OFFER FOR FULL-TIME EMPLOYEES
Shared upside: Receive equity in Apex, letting you benefit from the work you create
Cash bonus eligibility: share in Apex’s success with eligibility for a performance-based cash bonus on top of your salary, rewarding the impact you make
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: Starting at 15 days vacation, growing to 20+ days annually, plus 10 paid holidays
Competitive 401(k) plan: 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 socials, pickleball tournaments, run club, and gatherings for you and your family
Your dream desk setup: All the tools you need to be your most productive self
World-class Playa Vista office: 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
ADDITIONAL INFORMATION
Compensation ranges are set by role, level, location, and alignment with market data. A candidate's specific level and base pay are determined case by case and may vary with job-related skills, education, experience, technical capabilities, and internal equity. Beyond base salary, full-time hires are also eligible for long-term incentives in the form of stock options, along with medical, dental, and vision coverage and a 401(k) retirement plan.
ITAR REQUIREMENTS
Apex's work is governed by U.S. export control laws, including the International Traffic in Arms Regulations (ITAR) and the Export Administration Regulations (EAR). To be eligible for this role, applicants must either (1) qualify as a U.S. Person, meaning a U.S. citizen or national, a lawful permanent resident (green card holder), a refugee admitted under 8 U.S.C. § 1157, or an individual granted asylum under 8 U.S.C. § 1158, or (2) be able to obtain the required export authorizations from the U.S. Department of State, the U.S. Department of Commerce, or another applicable U.S. government agency. You can learn more about ITAR here https://www.pmddtc.state.gov/?id=ddtc_kb_article_page&sys_id=24d528fddbfc930044f9ff621f961987.
EQUAL OPPORTUNITY EMPLOYER
Apex Technology, Inc. is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Candidates and employees are always evaluated based on merit, qualifications, and performance. We will never discriminate on the basis of race, color, gender, national origin, ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability, or any other legally protected status.
