Software Systems Engineer

Job description

Job responsibilities

• Author software and system requirements (functional, performance, safety, cybersecurity, interface) using a model-based requirements approach
• Maintain bidirectional requirements traceability across the full lifecycle: ConOps → system → software → design → test
• Lead requirements reviews, change control boards, and impact assessments
• Define interfaces (ICDs), message schemas, timing budgets, and failure behaviors
• Participate in software architecture trades: partitioning, redundancy, data flows, and modes/states
• Collaborate with avionics, network, FPGA, and hardware teams to ensure end-to-end system integration
• Plan and author verification methods (test, analysis, inspection, demonstration) and define testable acceptance criteria
• Support integration activities across SIL/HIL environments, benches, labs, and flight/field test readiness

Job requirements

• U.S. citizen or permanent resident; ability to pass a pre-employment background check and drug screening
• Demonstrated 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)
• Proficiency with at least one requirements management tool (e.g., Jama, DOORS, or Innoslate)
• Hands-on experience applying Model-Based Systems Engineering (MBSE), using SysML or an equivalent modeling language, in at least one MBSE tool (e.g., Cameo, Rhapsody, Innoslate)
• Working knowledge of JIRA/Confluence and project/risk management practices