We are seeking a highly-motivated and hands-on Senior Spacecraft Thermal Engineer to join our growing team. In this role, you’ll design and develop thermal control systems for telescope platforms and spacecraft. You’ll work with a multidisciplinary team of optical, electrical, mechanical, and software engineers to ensure thermal stability and performance for ground-based and potential future space-based deployment.

Design and optimize thermal control systems for spacecraft and telescope platforms (e.g., radiators, heaters, insulation, thermal straps, and enclosures).

Develop thermal models and perform detailed thermal analysis (steady-state and transient) across operational environments.

Perform STOP analysis (Structural, Thermal, Optical Performance) to verify system-level thermal stability and its impact on optical performance.

Conduct FEA simulations for thermal, structural, and environmental conditions.

Collaborate with optics, mechanical, and electrical teams to ensure proper thermal integration with imaging, tracking, and sensing subsystems.

Define thermal requirements, margins, and verification strategies for system and subsystem performance.

Support environmental testing, including thermal vacuum (TVAC), thermal cycling, and validation of thermal models.

Support the full product lifecycle, from concept design and prototyping to testing and production.

Participate in and contribute to design reviews (PDR, CDR, etc.) and internal documentation.

Provide engineering support during fabrication, integration, QC, and system validation.

What You'll Bring

Sr. Spacecraft Thermal Engineer

Responsibilities

Qualification

Required

Preferred

Benefits

Company

Observable Space

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