✦ Luna Orbit — System Administration

Systems Engineer III (Government)

at AT&T

📍 San Diego, California Unknown 💰 $118K – $170K USD / year Posted March 13, 2026
Salary $118K – $170K USD / year
Type Full-Time
Experience senior
Exp. Years 7+ years
Education Not specified
Category System Administration

This role involves leading systems engineering efforts for defense projects, including requirements analysis, architecture design, and system support at customer sites.

  • Participate in all phases of systems engineering
  • Analyze requirements
  • Design system architecture
  • Support system implementation
  • Coordinate logistics and documentation

The position requires expertise in systems engineering, cybersecurity, hardware/software integration, and full lifecycle development, with active security clearances.

The ideal candidate is a senior systems engineer with over 7 years of experience in systems design, analysis, and support for defense projects, holding active security clearances.

7+ years experience in systems engineeringExperience with requirements analysisExperience with architecture designExperience supporting customer sitesActive TS/SCI or Secret clearance
Experience with cybersecurityExperience with hardware and software integrationKnowledge of logisticsExperience with full lifecycle systems engineering
Requirements analysis toolsArchitecture design toolsSystem testing platformsLogistics management systems
Systems engineeringRequirements analysisArchitecture designSystem implementationTestingHardware systemsSoftware systemsCybersecurityLogisticsFull lifecycle developmentTechnical documentationCustomer site supportTS/SCI clearanceSecret clearance
Systems engineeringRequirements analysisArchitecture designSystem implementationTestingHardware systemsSoftware systemsCybersecurityLogisticsFull lifecycle developmentTechnical documentationCustomer site supportTS/SCI clearanceSecret clearance
LeadershipTeam coordinationTechnical communicationProblem-solvingStakeholder engagement

Required

TS/SCI clearanceSecret clearance
Industry Defense
Job Function Lead systems engineering projects supporting defense and government clients
Clearance Required TS/SCI or Secret
Systems engineeringRequirements analysisArchitecture designSystem implementationTestingHardware systemsSoftware systemsCybersecurityLogisticsFull lifecycle developmentTechnical documentationCustomer site supportTS/SCI clearanceSecret clearance

Lack of active security clearance, Less than 7 years of experience in systems engineering, No experience with requirements analysis or architecture design, Inability to support customer site operations

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