✦ Luna Orbit — Cybersecurity

Senior Specialist, Information Security Systems Engineer (Anti-Tamper/ Product Protection)

at L3Harris Technologies

📍 Palm Bay, FL Onsite Posted April 01, 2026
Type Full-Time
Experience senior
Exp. Years 6+ years
Education Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
Category Cybersecurity

Senior Information Security Systems Engineer focusing on anti-tamper/product protection, integrating security controls, and achieving security authorization for DoD systems across secure architectures.

  • Apply advanced security engineering methods
  • Collaborate with Government customers
  • Prepare Certification and Accreditation documentation
  • Conduct SAST and compliance activities
  • Monitor security logs and incident response
  • Develop security policies and training

Security engineering with RMF, DOD 8140/NIST 800-181, CNSSI 1253; SAST; Splunk; Linux/Windows hardening; encryption; logging; vulnerability management; RMF/CDRs; DoD security processes

The ideal candidate is an experienced security systems engineer with active TS/SCI CI Poly, solid RMF and DoD 8140/NIST 800-181 knowledge, and hands-on experience implementing secure architectures for DoD programs. They should be adept at certification and accreditation activities, SAST, and Splunk-based monitoring, with strong cross-functional collaboration and training capabilities.

Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and 4 yearsor 10 years experience in lieu of degreeActive clearance: TS/SCI CI PolyDOD 8140 certification (or NIST 800-181) within 6 months
Recent (within 3 years) CI PolyFamiliarity with cloud computingcontainerizationmicroservices and security implications
RMFDOD 8510JSIGCNSSI 1253SASTSplunkStigCOTS/GOTS/FOSS
Bachelor's Degree and 6+ years of security engineering; active TS/SCI CI Poly; RMF; DOD 8140 (or NIST 800-181); CNSSI 1253; JSIG; SAST; Splunk; Linux/Windows security; logging; encryption; vulnerability assessment; secure architecture; incident response; CDRLs; information security training
Security engineeringRMFDOD 8140NIST 800-181CNSSI 1253JSIGCOTSGOTSFOSSStatic Analysis (SAST)StigsLoggingSplunkIncident responseSecurity testingVulnerability assessmentEncryption technology
technical guidancecoachingtrainingIA liaisoncross-disciplinary collaboration

Required

DOD 8140 certificationNIST 800-181

Preferred

CI Poly
Industry Defense
Job Function Develop and integrate secure DoD systems architectures with compliance and security controls throughout the lifecycle
Role Subtype Security Engineer
Tech Domains Linux, Windows Server, Splunk, RMF, DOD 8510, JSIG, CNSSI 1253, SAST, Stig, Encryption technology
Senior Specialist Information Security Systems EngineerSecurity EngineerRMFDOD 8140NIST 800-181CNSSI 1253JSIGSASTSplunkLoggingLinuxWindowsCOTSGOTSFOSSCertification and Accreditationsecurity controlsIncident responseSecurity policyStigsTS/SCI CI Poly

Lack of active TS/SCI CI Poly, Inability to obtain DOD 8140/NIST 800-181 within 6 months, Remote work not permitted

Apply for this Position →

Get matched to jobs like this

Luna finds roles that fit your skills and career goals — no endless scrolling required.

Create a Free Profile