Senior Spacecraft Mechanical Engineer — Equity

Astroforge; Seal Beach (CA); On-site; USD 100,000 - 196,000; Full time

Benefits offered by this job

Medical coverage

Dental coverage

Life insurance

Vision coverage

PTO and sick time

Holidays

Job summary

AstroForge is seeking a Mechanical Engineer, Spacecraft Design in Seal Beach, CA to own the mechanical design of spacecraft structures, mechanisms, and assemblies from concept to flight. You will lead CAD development, configuration control, and design best practices, partnering with analysis, manufacturing, and test teams to deliver reliable flight hardware.

The role emphasizes technical leadership, complex CAD management, and a strong foundation in GD&T, with on-site work in Seal Beach.

Qualifications

• Bachelor's degree in Mechanical Engineering or related field.
• 5–10 years of experience designing mechanical hardware for spacecraft, aerospace, or high-reliability systems.
• Expert-level CAD proficiency; strong preference for Siemens NX.
• Experience managing large CAD assemblies and complex interfaces.
• Deep knowledge of GD&T and tolerance analysis; apply these principles independently.
• Ownership of mechanical designs from concept through manufacturing, integration, and test.
• Strong communication skills to present design decisions and trade-offs.
• Ability to work onsite in Seal Beach, CA.

Responsibilities

• Lead the development and documentation of spacecraft mechanical designs from concept through flight hardware.
• Own spacecraft mechanical CAD architecture, including large assembly management, configuration control, and CAD database best practices.
• Drive detailed part and assembly design for structures, mechanisms, and interfaces.
• Apply mechanical fundamentals to solve complex spacecraft design challenges.
• Collaborate with analysis engineers to ensure designs are structurally and thermally sound.
• Oversee drawing creation, GD&T application, and tolerance analysis for manufacturability.
• Support hardware build, integration, and test activities; resolve nonconformances.
• Identify and promote best practices in mechanical design, CAD workflows, and documentation.
• Provide technical mentorship to other mechanical engineers.

Skills

CAD software proficiency

NX software expertise

GD&T and tolerance analysis

Large assemblies management

Technical leadership/mentorship

Strong communication skills

Education

Bachelor's degree in Mechanical Engineering

Tools

Siemens NX

Job description

AstroForge is seeking a Mechanical Engineer, Spacecraft Design in Seal Beach, CA to own the mechanical design of spacecraft structures, mechanisms, and assemblies from concept to flight. You will lead CAD development, configuration control, and design best practices, partnering with analysis, manufacturing, and test teams to deliver reliable flight hardware.

The role emphasizes technical leadership, complex CAD management, and a strong foundation in GD&T, with on-site work in Seal Beach.