Space Systems Engineer: MBSE & Software Integration

Axiom Space; Houston (TX); On-site; USD 120,000 - 190,000; Full time

Job summary

Axiom Space is seeking a seasoned Software Systems Engineer in Houston to own software and system requirements across the full lifecycle. You will collaborate with avionics, network, FPGA, and hardware teams to ensure end-to-end integration, and lead verification activities in a fast-moving environment.

The ideal candidate will have MBSE experience, SysML proficiency, and a strong background in requirements management, traceability, and Agile practices within aerospace or safety-critical

Qualifications

• U.S. citizen or permanent resident; ability to pass a pre-employment background check and drug screening.
• Experience authoring and managing software/system requirements (functional, performance, safety, and interface).
• Experience maintaining bidirectional requirements traceability across lifecycle stages.
• Experience defining and managing interfaces (ICDs) and supporting integration activities.
• Experience planning and/or executing verification activities (test, analysis, inspection, demonstration).

Responsibilities

• Author software and system requirements using a model-based approach.
• Maintain bidirectional requirements traceability across the lifecycle.
• Lead requirements reviews, change control boards, and impact assessments.
• Define interfaces (ICDs), message schemas, timing budgets, and failure behaviors.
• Collaborate with avionics, network, FPGA, and hardware teams for end-to-end system integration.
• Plan and author verification methods and acceptance criteria.
• Support integration activities across SIL/HIL environments, benches, labs, and flight/field test readiness.
• Support safety analyses and derived requirements, including hazard analysis, fault response, and criticality/DAL determinations.

Skills

MBSE

SysML

Requirements traceability

Cross-functional collaboration

Agile experience

Education

Bachelor's degree in Aerospace, Electrical, Systems or CS

10+ years systems engineering experience

Tools

Jama

DOORS

Innoslate

JIRA/Confluence

GitLab CI

Job description

Axiom Space is seeking a seasoned Software Systems Engineer in Houston to own software and system requirements across the full lifecycle. You will collaborate with avionics, network, FPGA, and hardware teams to ensure end-to-end integration, and lead verification activities in a fast-moving environment.

The ideal candidate will have MBSE experience, SysML proficiency, and a strong background in requirements management, traceability, and Agile practices within aerospace or safety-critical