Space Mechanical Engineer — On-Orbit Thermal Design (Equity)

Hydrosat Inc.; Carlsbad (CA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Employee stock options

Health insurance

401(k) match

Unlimited PTO

Holiday pay

Parental leave

Mental health support

Commuter stipend

Cell phone stipend

Company discount program

Job summary

Hydrosat Inc. in Carlsbad, CA is seeking a seasoned Mechanical Engineer to join our hardware development team. You will design, analyze, build, and test mechanical systems for space payloads with a strong emphasis on on-orbit thermal performance.

The ideal candidate has 5+ years in space hardware, hands-on fabrication experience, and proficiency with SolidWorks/Creo and thermal analysis tools. You will collaborate across systems, electrical, optical, and spacecraft teams to deliver flight-ready

Qualifications

• Bachelor’s degree in Mechanical or Aerospace Engineering and 5+ years in space systems or related hardware.
• Proficiency in mechanical CAD tools (e.g. SolidWorks, Creo) and space thermal analysis tools (e.g. Thermal Desktop or equivalent).
• Demonstrated experience modeling on-orbit thermal environments, including solar, albedo, Earth infrared, eclipse, and internal heat loads.
• Hands-on experience with hardware fabrication, assembly, integration, and space environmental testing, including thermal-vacuum and vibration.
• Familiarity with industry standards such as ASME Y14.5, GSCF-STD-7000, NASA-STD-5001B, among others

Responsibilities

• Develop and refine mechanical requirements for space payloads and flight hardware
• Lead mechanical design effort and use thermal analysis to guide material selection, interfaces, and thermal control design
• Develop and maintain on-orbit thermal models, assess hot and cold mission cases, and define thermal control features and operating limits
• Perform hands-on prototype fabrication, assembly, integration, and testing of flight hardware
• Collaborate with systems, electrical, optical, and spacecraft engineering teams to ensure integrated design performance
• Prepare mechanical drawings and manage configuration control of released designs
• Conduct trade studies and present design review materials to internal and external stakeholders
• Plan and conduct environmental testing, correlate thermal models with test data, and support transition to manufacturing

Skills

Mechanical design

Thermal analysis

SolidWorks/ Creo

Space hardware testing

ASME Y14.5

Education

Bachelor’s degree in Mechanical or Aerospace Engineering

Tools

SolidWorks

Creo

Thermal Desktop

Job description

Hydrosat Inc. in Carlsbad, CA is seeking a seasoned Mechanical Engineer to join our hardware development team. You will design, analyze, build, and test mechanical systems for space payloads with a strong emphasis on on-orbit thermal performance.

The ideal candidate has 5+ years in space hardware, hands-on fabrication experience, and proficiency with SolidWorks/Creo and thermal analysis tools. You will collaborate across systems, electrical, optical, and spacecraft teams to deliver flight-ready