Space Systems Principal Systems Engineer – TS/SCI

Northrop Grumman; Linthicum (MD); On-site; USD 88,000 - 138,000; Full time

Benefits offered by this job

Relocation assistance

Job summary

Northrop Grumman Space Systems is seeking a Systems Engineer (Level 2 or 3) based in Fairfax, VA or Linthicum, MD. You will lead architecture, elicit requirements, maintain traceability, and define ICDs for hardware/software interfaces.

Responsibilities include creating use‑case diagrams, collaborating with Agile teams, and overseeing system‑level testing across product variants. A TS/SCI clearance is required at application and relocation assistance may be available.

Qualifications

• Bachelor’s degree in a STEM discipline and 2 years of relevant experience; Master’s degree and 0 years of experience
• Bachelor’s degree in a STEM discipline and 5 years of relevant experience; Master’s degree and 3 years of relevant experience; PhD and 0 years of relevant experience
• Active TS/SCI clearance required at time of application
• Ability to elicit, analyze, and document system‑level requirements (functional & non‑functional)
• Experience with or knowledge of creating and managing traceability matrices linking requirements to design, code, and verification
• Familiarity with interface control documents (ICDs) and experience defining hardware‑software and software‑software interfaces
• Working knowledge of modeling languages/tools for use‑case, activity, and sequence diagrams
• Experience working in or familiarity with Agile/Scrum environments, including backlog grooming and sprint planning
• Effective communication and interpersonal skills; ability to work successfully with cross‑functional teams
• Proficient in Jira and Confluence

Responsibilities

• Lead the architecture and implementation of reusable software components for a multi‑variant product line
• Elicit, analyze, and document system‑level functional and non‑functional requirements for the entire product family
• Maintain a traceability matrix linking requirements to design, implementation, and verification artifacts
• Conduct requirement reviews with cross‑functional stakeholders and drive consensus
• Define, develop, and maintain ICDs for all hardware‑software and software‑software interfaces
• Create detailed use‑case diagrams, activity flows, and sequence diagrams capturing user interactions
• Collaborate with Agile teams to translate requirements into user stories and backlog items
• Oversee integration testing, validation, and verification of system‑level functionality across product variants
• Continuously assess and improve engineering processes, tooling, and documentation standards

Skills

System requirements analysis

Traceability matrices

Interface control documents

Modeling diagrams

Agile/Scrum

Version control tools

Cross-functional teamwork

Communication skills

Jira

Confluence

Education

Bachelor’s degree in STEM

Master’s degree (optional)

PhD (optional)

Tools

Cameo Systems Modeler

IBM Rhapsody

Job description

Northrop Grumman Space Systems is seeking a Systems Engineer (Level 2 or 3) based in Fairfax, VA or Linthicum, MD. You will lead architecture, elicit requirements, maintain traceability, and define ICDs for hardware/software interfaces.

Responsibilities include creating use‑case diagrams, collaborating with Agile teams, and overseeing system‑level testing across product variants. A TS/SCI clearance is required at application and relocation assistance may be available.