Senior Spacecraft Systems Engineer, Interplanetary Missions

Relativity Space; Long Beach (CA); On-site; USD 164,000 - 246,000; Full time

Benefits offered by this job

Equity

Generous PTO & sick leave

Parental leave

Learning stipend

Job summary

Relativity Space seeks a Staff Spacecraft Responsible Engineer in the Interplanetary Sciences Program to own the end-to-end definition, integration, and delivery of the spacecraft bus and its interaction with mission payloads.

You will serve as the technical and programmatic focal point, coordinating with internal teams and external bus providers to ensure requirements, interfaces, and performance budgets are defined, tracked, and met throughout the mission lifecycle, from design through

Qualifications

• Bachelor’s or Master’s degree in Mechanical Engineering, Aerospace Engineering, or a related technical discipline.
• 7+ years of experience in spacecraft or satellite systems engineering, integration, or mission design.
• Proven ability to manage complex systems across multiple vendors and customers.
• Strong understanding of spacecraft subsystems (power, thermal, comms, ADCS, propulsion, etc.) and their interdependencies.
• Experience leading cross-functional teams through integration and test, launch campaigns, or mission operations.
• Excellent communication, negotiation, and leadership skills with the ability to interface across technical and programmatic boundaries.

Responsibilities

• Own end-to-end definition, integration, and delivery of the spacecraft bus and its interaction with mission payloads.
• Serve as technical and programmatic focal point ensuring requirements, interfaces, and budgets are defined, tracked, and met.
• Collaborate across internal teams and with external spacecraft bus providers to ensure mission success, from design through operations.
• Balance systems engineering, vendor management, and hands-on mission execution with high ownership.

Skills

Systems engineering

Vendor management

Cross-functional leadership

Technical communication

Interface management

Education

Bachelor’s or Master’s degree in Mechanical Engineering, Aerospace Engineering, or related technical discipline

Job description

Relativity Space seeks a Staff Spacecraft Responsible Engineer in the Interplanetary Sciences Program to own the end-to-end definition, integration, and delivery of the spacecraft bus and its interaction with mission payloads.

You will serve as the technical and programmatic focal point, coordinating with internal teams and external bus providers to ensure requirements, interfaces, and performance budgets are defined, tracked, and met throughout the mission lifecycle, from design through