✦ Luna Orbit — Cybersecurity

Senior Specialist, Information Security Systems Engineer (ISSE)

at L3Harris Technologies

📍 Palm Bay, FL Remote 💰 $106K – $197K USD / year Posted March 26, 2026
Salary $106K – $197K USD / year
Type Not Specified
Experience mid
Exp. Years 4+ years
Education Not specified
Category Cybersecurity

This role involves developing and assessing system security architectures, conducting threat and vulnerability analyses, and ensuring compliance with defense security standards in a remote environment.

  • Develop security architectures
  • Assess threats and vulnerabilities
  • Conduct trade studies
  • Implement security policies
  • Support system certification

Technical scope includes Anti-Tamper systems, system lifecycle management, threat assessment, vulnerability analysis, and security policy development, primarily in defense and government sectors.

The ideal candidate is a mid-level cybersecurity engineer with experience in system security, threat assessment, and vulnerability analysis, preferably familiar with DoD security standards. They should have strong analytical skills and be comfortable working remotely in a defense environment.

experience with DoD 5200.39experience in engineering trustworthy systemsknowledge of Anti-Tamper (AT)ability to develop and implement security architecturesexperience assessing threats and vulnerabilities
experience with system certification and accreditationknowledge of critical program informationthreat analysisattack/countermeasure analysissecurity architecture design
DoD 5200.39Security Management ToolsThreat Analysis ToolsVulnerability Analysis Tools
Anti-TamperSystem Development LifecycleTrade StudiesSecurity ArchitecturesThreat AssessmentVulnerability AnalysisSecurity ManagementDoD 5200.39Critical Program InformationSystem Security Authorization
Anti-TamperSystem Development LifecycleTrade StudiesSecurity ArchitecturesThreat AssessmentVulnerability AnalysisSecurity ManagementDoD 5200.39Critical Program InformationSystem Security AuthorizationRisk ManagementCybersecuritySecurity EngineeringSecurity RequirementsSecurity Policies
analytical thinkingproblem-solvingcommunicationteamworkdetail-oriented
Industry Defense
Job Function System Security Engineer in a defense cybersecurity environment
Role Subtype System Security Engineer
Tech Domains Cybersecurity, Security Policies, Security Management, Threat Analysis, Vulnerability Analysis
Anti-TamperSystem Development LifecycleTrade StudiesSecurity ArchitecturesThreat AssessmentVulnerability AnalysisSecurity ManagementDoD 5200.39Critical Program InformationSystem Security AuthorizationRisk ManagementCybersecuritySecurity EngineeringSecurity RequirementsSecurity Policiessystem certificationsystem accreditationthreat analysisattack/countermeasure analysis

No experience with DoD 5200.39, Lack of cybersecurity or system security background, Unwillingness to work remotely, No experience with threat or vulnerability analysis, No security clearance or eligibility

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