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1504 - Software Systems Engineer / Requirements Writer

Sigma Defense Systems
medical insurance, vision insurance, paid time off, 401(k)
United States, California, San Diego
Mar 01, 2026

Sigma Defense is seeking a Senior Systems Engineer to join our team at Patuxent River NAS, MD.

Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

Requirements

  • 2-5 years of one of the following:
    • Systems Engineering Experience
    • P8 Mission System Experience
    • P8 Combat Systems Experience
    • Naval/DoD Application Software Development Experience
  • Must be a U.S. citizen.
  • Strong writing/communication skills.

Personnel Clearance Level:

  • Candidate must possess or have the ability to obtain an active Secret security clearance or higher.

Education Requirements:

  • Bachelor's degree from an accredited college or university in Computer Science or related field of study.

Software/Programs Experience:

  • RHEL
  • Python
  • Java
  • Legacy Naval/DoD Applications
  • Atlassian Suite

Candidate Differentiators:

  • NAVAIR
  • P-8A Operator Experience
  • P8 Air SSP
  • P8 Ground SSP
  • Systems Engineering Professional (SEP) certification
  • Software Developer / Technical experts with strong writing and communication skills willing to perform SE work

Essential Job Duties (Not All-Inclusive):

  • Support PMA-290 Mission Systems Integrated Product Team Lead (IPTL) in support of Combat and Mission Systems.
  • CONOPS analysis, requirements decomposition, software development plan and schedule, and program execution efforts meeting 100% of Fleet expectations.
  • Develop technical capabilities roadmaps.
  • Participate in ECP/TD development, approval, and implementation.
  • Generate engineering and technical analyses, requirements UI designs, change proposals, and other technical documentation as required.
  • Assist in troubleshooting the P-8A Mission Systems and Combat Systems when malfunctions and failures are reported by Fleet customers.
  • Assist in on-going implementation of the Agile Development methodology.
  • Support all efforts to remove impediments of the engineering team to ensure on time delivery and completion of sprints and deliverables (A003).
  • Support the development, design, and architecture recommendations for current and future PEO C4I Software (SW) and hardware (HW) baselines.

Day to Day Experience:

  • Decompose high level CDP's (Correction of Deficiency Packages) into requirements and use cases that can be developed against by the SW team.
  • Consult with SME's of different onboard systems to facilitate working groups to define fleet desires into concrete workable tasks.
  • Assist SW team in defining scope of work and definition of done through iterative requirements approval meetings.
  • Create use case documentation to demonstrate proposed changes for stakeholder approval and SW team decomposition.

Salary Range: $80,000 - $110,000 annually.

Benefits

  • Dental and Vision Insurance
  • Medical Insurance to Include HSA, FSA, and DFSA Plans
  • Life and AD&D coverage
  • Employee Assistance Program (EAP)
  • 401(k) Plan with Company Matching Contributions
  • 160 Hours of Paid Time Off (PTO)
  • 12 (Floating) Holidays
  • Educational Assistance
  • Highly Competitive Salary
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