# Senior Thermal EngineerPittsburgh Robotics NetworkPittsburgh, PAFull-timeUpload your resume once and Scout applies for youApply with ScoutShare this job:LinkedInXSave imageThis senior engineer designs and operates thermal control systems for spacecraft, lunar landers, rovers, and surface power systems. The work spans thermal modeling, hardware integration, environmental testing, and mission operations with Voyager Lunar Systems in Pittsburgh.* Permanent* 8+ years* Bachelor's Degree### Skills and expertiseThermal DesktopAnsys ThermalAmesimthermal modelingTVAC testingSolidWorksmulti-layer insulation (MLI)pumped fluid loops### Key responsibilities* Design, integrate, test, and operate thermal control systems for spacecraft and lunar systems.* Build thermal models to inform spacecraft design and mission operations.* Develop component specifications, support suppliers, and verify requirements through testing or analysis.## How this job comparesCompared with 1,635 open senior engineering jobs on October 10, 2026.Pay: This job does not publish its pay. The 719 open senior engineering jobs that publish US pay start at $164K a year on average.Similar open jobs: We Love AI Jobs lists 1,635 open senior engineering jobs at 344 companies.Remote work: This job is on site. 271 of the 1,635 senior engineering jobs (17%) are remote.AI in this role: Low. The company works with AI, but AI is a small part of this role's daily work. The role focuses on spacecraft thermal engineering, modeling, testing, and operations. The posting does not mention AI models, tools, or products.## Full descriptionVoyager is an innovative space, defense, and national security technology company committed to advancing and delivering transformative, mission-critical solutions. We tackle the most complex challenges to unlock new frontiers for human progress, fortify national security, and protect critical assets to lead in the race for technological and operational superiority from ground to space.Forge the Future: Join Voyager TechnologiesThe future belongs to those who build it. At Voyager Technologies, we’re building technologies that protect lives, expand frontiers and prepare us for what’s next. And we’re doing that with people who are wired to solve, build, adapt and lead. These roles are not for the faint of heart.You’ll help lay the foundation for humanity's future. Join a culture where innovation thrives, curiosity is rewarded, and impact is real. We’re a company of doers, thinkers and builders, united by purpose and grounded in reality.If you want to put your skills to work where the stakes are real and the mission is bigger than any one person, forge the future with Voyager.The Senior Thermal Engineer for Voyager Lunar Systems is responsible for designing, building, testing, and operating thermal control systems for spacecraft including lunar landers and surface power systems.The position reports to the Propulsion and Thermal Systems Manager within the Engineering Department in Pittsburgh, PA.Job Responsibilities:• Lead and support the design, integration, testing, and operation of thermal control systems for spacecraft, lunar landers, lunar surface power, lunar rovers, and other space systems• Create conceptual and detailed designs of spacecraft thermal systems accounting for orbital trajectories, mission concept-of-operations, lander architecture, and thermal control system function• Build and run thermal models to guide spacecraft mission operations and inform the design of thermal control systems and related components• Perform supplier management support including developing specifications for vendor supplied components, providing technical review of manufacturing processes, and assuring requirements are met via test and/or analysis• Coordinate with program management, systems engineering, and other spacecraft subsystems to assess requirements, design progress, schedule, and risks• Create integration instructions and provide support during spacecraft assembly in the cleanroom• Write test plans and support TVAC (thermal vacuum chamber) testing for components, subsystems, and the entire spacecraft• Write mission operations procedures and provide real time mission operations supportIf your experience aligns with our basic qualifications and you are inspired by our mission, we’d like to connect. If you don’t see the right role right now, Join Our Talent Community and stay connected as we continue to build what’s next.Required Qualifications:• Bachelor’s Degree in Aerospace, Mechanical, or similar Engineering with 8 years of experience in spacecraft thermal systems, OR a Master’s Degree with 6 years of related experience• Knowledge of spacecraft thermal system architecture, standards, best practices, components, and suppliers• Experience designing or analyzing thermal control system components such as heaters, sensors, radiators, multi-layer insulation (MLI), coatings, heat pipes, and related hardware• Experience with specification, vendor management, and requirements verification for thermal control system components• Experience using fluid-thermal system design and analysis software (Thermal Desktop, Ansys Thermal, or Amesim preferred) to perform thermal control system trade studies• Experience with TVAC (thermal vacuum chamber) testing of space hardware including test plans, test operations, and/or data processing and test reports• Effective verbal and written communication, including reports and technical presentationsPreferred Qualifications:• Experience designing, building, and testing active thermal control systems using pumped fluid loops is desired• Proven capability to take a concept from initial idea to final product