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K2 Space • Los Angeles, California, United States
Salary: USD 100,000–140,000 per year
Role & seniority
Stack/tools
Thermal control (active/passive), pump fluid loops, heat pipes, cold plates
Ground support equipment, test fixtures, instrumentation, software tools
Data acquisition for thermal/power systems
NX or AutoCAD (preferred)
Top 3 responsibilities
Design, implement, and verify active and passive thermal control systems for R&D and production
Plan, develop, and execute thermal cycle and thermal-vacuum test campaigns
Build, commission, and maintain test stands; develop data acquisition and control scripts; generate formal test/docs (procedures, reports)
Must-have skills
3+ years thermal testing in a high-rate manufacturing environment
2+ years sizing/testing fluid systems (pumps, valves, accumulators, heat exchangers, cold plates)
Experience with data acquisition for thermal/power applications
Test plan development and execution; strong TVAC/testing troubleshooting
Ability to design test fixtures (NX/AutoCAD preferred)
Nice-to-haves
Basic/statistical data analysis
Thermal Desktop experience
Signal conditioning and SNR evaluation
Pumps testing, avionics testing, refrigeration-system testing
Location & work type
Location not disclosed; full-time position
On-site and production-facing testing environment likely
Notes: Role involves collaboration with design to ensure manufacturability and transition to production; emphas
K2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by $450M from leading investors including Altimeter Capital, Redpoint Ventures, T. Rowe Price, Lightspeed Venture Partners, Alpine Space Ventures, and others – with an additional $500M in signed contracts across commercial and US government customers – we’re mass-producing the highest-power satellite platforms ever built for missions from LEO to deep space.
The rise of heavy-lift launch vehicles is shifting the industry from an era of mass constraint to one of mass abundance, and we believe this new era demands a fundamentally different class of spacecraft. Engineered to survive the harshest radiation environments and to fully capitalize on today’s and tomorrow’s massive rockets, K2 satellites deliver unmatched capability at constellation scale and across multiple orbits.
With multiple launches planned through 2026 and 2027, we're Building Bigger to develop the solar system and become a Kardashev Type II (K2) civilization. If you are a motivated individual who thrives in a fast-paced environment and you're excited about contributing to the success of a groundbreaking Series C space startup, we’d love for you to apply.
The Role
You will own the success of developing, implementing and testing both R&D and production thermal control systems on the spacecraft. You will be responsible for spearheading the design and verification efforts of active and passive thermal control systems including, but not limited to, pump fluid loops, heat pipes and all of the required ground supporting equipment (test fixtures, diagnostic equipment, instrumentation, software tools etc.). Your work will require familiarity with pressurized systems (valves, pumps, accumulators, heat exchangers), thermo-mechanical instrumentation (temperature sensors, pressure sensors, flow meters etc.), integrated electronics systems, and secondary satellite structures.
You will partner with design engineers early on in the process to ensure manufacturability while building the first prototype, design the build flow, and finalize the process for transition to production.
Responsibilities
Work with lead engineers to design active and passive thermal control systems using basic heat transfer and mechanical equations to size lines, pumps, accumulators, cold plates etc. Planning and development of thermal cycle and thermal-vacuum testing campaigns Design and development of heater and cooling systems including control architecture Setup, commission, and maintain state-of-the-art test stands and instrumentation Develop data acquisition systems for active and passive thermal control systems Perform tests on novel pump fluid loop including feed systems, power electronics, and hardware-in-the-loop Develop testing and control scripts to conduct safe and reliable test campaigns of pump fluid loop and individual components
Create formal documentation for development and production: test procedures, test reports, and standard operating procedures Troubleshoot electrical and mechanical test setups and hardware Document, compile, analyze, and present test data
Qualifications
3+ years of experience with thermal test experience in a high-rate manufacturing environment 2+ years of experience with sizing and testing fluid systems including pumps, valves, accumulators, heat exchanger, cold plates etc. Demonstrated experience with data acquisition for thermal and power related applications Experience with test plan development and execution Strong experience with thermal and TVAC testing including setup, instrumentation, and troubleshooting Demonstrated knowledge of NX or AutoCAD is preferred to design test fixtures
Nice to Have
Experience with basic and statistical data analysis Experience with Thermal Desktop for thermal analysis Experience with signal conditioning to define optimal acquisition rate and understand when signal-to-noise ratio is not acceptable Experience with pumps testing Experience with avionics testing Experience with testing refrigeration systems
Compensation And Benefits
Base salary range for this role is $100,000 - $140,000 + equity in the company
Salary will be based on several factors including, but not limited to: knowledge and skills, education, and experience level Comprehensive benefits package including paid time off, medical/dental/vision/ coverage, life insurance, paid parental leave, and many other perks
If you don’t meet 100% of the preferred skills and experience, we encourage you to still apply! Building a spacecraft unlike any other requires a team unlike any other and non-traditional career twists and turns are encouraged! If you need a reasonable accommodation as part of your application for employment or interviews with us, please let us know.
If you don’t meet 100% of the preferred skills and experience, we encourage you to still apply! Building a spacecraft unlike any other requires a team unlike any other and non-traditional career twists and turns are encouraged!
If you need a reasonable accommodation as part of your application for employment or interviews with us, please let us know.
Export Compliance
As defined in the ITAR, “U.S. Persons” include U.S. citizens, lawful permanent residents (i.e., Green Card holders), and certain protected individuals (e.g., refugees/asylees, American Samoans). Please consult with a knowledgeable advisor if you are unsure whether you are a “U.S. Person.”
The person hired for this role will have access to information and items controlled by U.S. export control regulations, including the export control regulations outlined in the International Traffic in Arms Regulation (ITAR). The person hired for this role must therefore either be a “U.S. person” as defined by 22 C.F.R.
Equal Opportunity
K2 Space is an Equal Opportunity Employer; employment with K2 Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, 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.