Skip to content

Mechanical

Thermal Engineer III

Voyager Technologies logoVoyager Technologies~$114k–$205k/yrtypicalPittsburgh, PA, United StatesPosted 2mo ago

This role falls under U.S. export rules, so the posting asks for U.S. person status. That means a U.S. citizen, a green card holder, a refugee or an asylee.

About the role

The Thermal Engineer for Voyager Lunar Systems is responsible for supporting the design, build, test, and operation of thermal control system components 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

  • Support the design, integration, testing, and operation of thermal control systems for spacecraft, lunar landers, lunar surface power, lunar rovers, and other space systems
  • Support the thermal team by creating conceptual and detailed designs of spacecraft thermal system components and spacecraft hardware
  • Build and run component and spacecraft thermal models to guide design and operational decisions
  • Provide support in creating specifications for vendor supplied components, and support the thermal team in validating component performance
  • Provide support during spacecraft assembly in the cleanroom
  • Provide thermal team support for in-house TVAC (thermal vacuum chamber) testing of components, and support external thermal testing as required
  • Train in mission operations procedures and provide real time mission operations support

Required Qualifications

  • Bachelor’s Degree in Aerospace, Mechanical, or similar Engineering with 2 years of experience in thermal technologies, OR a Master’s Degree with related thermal experience
  • Proficient understanding of thermal-fluid engineering fundamentals with the ability to create or apply tools to guide hardware design and performance prediction
  • Experience using thermal-fluid system design and analysis software (Thermal Desktop, Ansys Thermal, or Amesim preferred) to perform thermal calculations
  • Proficient in code typically used for analytical/scientific programming (such as Python, C/C++, Matlab, Fortran)
  • Demonstrate a desire to learn, take direction from a senior engineer, pursue results independently, and engage in constructively challenging discussions to drive technical rigor
  • Effective verbal and written communication, including reports and technical presentations

Preferred Qualifications

  • Proficient in CAD (SolidWorks preferred) and lifecycle management tools
  • Experience with TVAC (thermal vacuum chamber) testing of space hardware
  • Experience with Computational Fluid Dynamics (specifically Ansys FLUENT or CFX)
  • Experience with space and / or lunar systems, environments, and design considerations
  • Experience with taking a concept from initial idea to final product
  • Experience designing or analyzing thermal control system components such as heaters, sensors, radiators, multi-layer insulation (MLI), coatings, heat pipes, and related hardware

Travel, Physical, and/or Government Mandated Requirements

  • Travel: occasional, periodic with specified project need, with stays up to a week when on-site support is required
  • Ability to lift, move or carry items or equipment up to 25/50 pounds
  • ITAR access required

Voyager offers a highly competitive total compensation package designed to support the well-being, growth, and success of our employees. Employees benefit from a flexible and comprehensive rewards program that supports both professional and personal well-being.

  • Flexible Time Off (FTO), empowering employees to take the time they need to recharge and maintain a healthy work-life balance
  • Comprehensive medical, dental, and vision coverage for employees and their families, with a significant portion of premiums covered by the company and many benefits paid at 100% for employees
  • Flexible, affordable gym memberships with 12,700+ options nationwide, including 24 Hour Fitness, EoS Fitness, Crunch Fitness, Anytime Fitness, Blink Fitness, Chuze Fitness, and more! No long-term contracts and FREE on-demand workout videos before you enroll
  • 401(k) retirement plan with a 50% company match on contributions up to 8%, supporting long-term financial security
  • Company wellness programs that support physical and mental well-being
  • Additional voluntary benefits and employee support resources
  • The opportunity to work alongside a highly talented team in an innovative, mission-driven environment
  • Relocation assistance is provided for qualified candidates moving to Pittsburgh, PA.

Voyager is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, protected veteran status, or other characteristics protected by law.

To conform to U.S. Government export regulations, including the International Traffic in Arms Regulations (ITAR) (22 CFR Parts 120–130) and the Export Administration Regulations (EAR) (15 CFR Parts 730–774), applicants for this position must be a U.S. Person: a US Citizen, a lawful permanent resident of the U.S., or a protected individual as defined by 8 U.S.C. § 1324b(a)(3). Applicants must be eligible to obtain any required export authorizations from the U.S. Department of State or the U.S. Department of Commerce.

Minority/Female/Disabled/Veteran

The statements contained in this job description are intended to describe the general content and requirements for performance of this job. It is not intended to be an exhaustive list of all job duties, responsibilities, and requirements. This job description is not an employment agreement or contract. Management has the exclusive right to alter the scope of work within the framework of this job description at any time without prior notice.

Copied from the listing Voyager Technologies published, verified 30 Oct 2026.

The application

Your details, CV and LinkedIn, then 8 questions (1 written).

Have readyCVLinkedInCover letter (optional)Website (optional)
  1. 1.
    What is your Legal Name?Short answer
  2. 2.
    What is your address?Short answer
  3. 3.
    What are your desired salary expectations?Short answer
  4. 4.
    Have you previously worked for Voyager or one of its subsidiaries? If so, when, which subsidiary, what position?Written answer
  5. 5.
    Are you legally authorized to work in the United States for any employer?Yes or no
  6. 6.
    Will you now or in the future require employment visa sponsorship?Yes or no
  7. 7.
    Are you eligible to obtain and maintain a U.S. Government Clearance (Requires U.S Citizenship)?Yes or no
  8. 8.
    Are you willing to relocate for this role?Yes or no

Taken from the application form Voyager Technologies runs, verified 29 Oct 2026.

About Voyager Technologies

Defense, national security and space technology, including the Starlab space station.

Experienced in Mechanical, Structures & Thermal?

Space employers come to us looking for a particular skill, location or credential. Leave your details one time, at no cost, and we put you forward when a role matches, never without your yes.

Create my profile

Voyager Technologies openings, sent to your inbox

Each week we send what Voyager Technologies posted since the last email, with comparable openings at other space companies. No cost, and you can stop it with one click.

Hiring for Voyager Technologies? Feature this role to get a marked Featured slot above the lists and the lead place in the weekly job email for 30 days. Pricing:$99 for a single role, or $299 to cover every role you have open. To see who else is hiring your disciplines and at what pay, read the monthly space hiring brief.