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Diligent Consulting Inc
Information System Security Engineer (ISSE) IIIDiligent Consulting Inc • Philadelphia, PA, US
Information System Security Engineer (ISSE) III

Information System Security Engineer (ISSE) III

Diligent Consulting Inc • Philadelphia, PA, US
30+ days ago
Job type
  • Full-time
  • Quick Apply
Job description

Job Title:

  • Information System Security Engineer (Contingent Upon Award) Hiring Company: Diligent Consulting Inc.

Client:

  • Naval Surface Warfare Center, Philadelphia Division (NSWCPD) Location: Philadelphia, PA Clearance: Secret Estimated Period of Performance: May 2026 - May 2031 This position is contingent upon contract award.
  • Engineer the Cybersecurity Backbone of the Navy's Next-Generation Systems.
  • Diligent Consulting is seeking Information Systems Security Engineers (ISSE III) to provide advanced cybersecurity and Risk Management Framework (RMF) engineering services to the Naval Surface Warfare Center, Philadelphia Division (NSWCPD) .
  • This isn’t a checkbox compliance role—we need engineers who architect secure solutions, shape cyber strategy, and turn NIST controls into operational strength.
  • If you thrive at the intersection of mission and security architecture, this role is built for you.

Key Responsibilities:

  • Lead complex security engineering tasks throughout the system lifecycle: design, development, integration, and sustainment.
  • Execute full-spectrum RMF activities (Steps 0–6), including control tailoring, POA&M management, and continuous monitoring.

Author and maintain RMF documentation:

  • System Security Plans (SSP), Security Assessment Reports (SAR), ISCM strategies, CAPs, and risk assessments.
  • Apply guidance from NIST SP 800-53 Rev 5 , DoDI 8510.01 , and NAVSEA/Navy cybersecurity policies .

  • Conduct vulnerability assessments and remediation planning using ACAS, HBSS, VRAM, SCC, and related DoD tools.
  • Collaborate with ISSMs, AOs, developers, and system owners to define system boundaries, safeguards, and security architectures.
  • Serve as cybersecurity SME during design reviews, connection requests, and mission-critical deployments.
  • Analyze risk posture and support risk acceptance decisions with security-first, mission-aware insight.

Minimum Qualifications:

  • Bachelor’s degree in Cybersecurity, Computer Science, Systems Engineering, or related field 8+ years of experience in information assurance, cybersecurity engineering, or RMF package development IAT Level III Certification required (CISSP, CASP+, or equivalent per DoD 8140.03M) Deep experience with: DoD RMF lifecycle (Steps 0–6) NIST SP 800-53 Rev 5, STIGs, and POA&M management Navy eMASS, VRAM, SCC, and cybersecurity reporting workflows Preferred Qualifications: Master’s degree in Cybersecurity or Engineering Prior experience supporting Navy or NAVSEA cybersecurity programs Strong technical writing skills and experience briefing senior leadership Familiarity with DevSecOps and Zero Trust principles Clearance: Active Secret Clearance required Top Secret Clearance preferred Why Join Diligent Consulting: Direct impact on national defense and naval readiness Cutting-edge cyber engineering work at the system level Competitive salary and comprehensive benefits package Professional growth in a mission-driven, collaborative environment Powered by JazzHR
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Information System Security Engineer (ISSE) III • Philadelphia, PA, US

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