Job FunctionsLead complex security engineering tasks throughout the system lifecycleExecute full-spectrum RMF activities (Steps 0–6)Conduct vulnerability assessments and remediation planning using DoD tools
Job RequirementsBachelor’s degree in Cybersecurity, Computer Science, Systems Engineering, or related field8+ years of experience in information assurance, cybersecurity engineering, or RMF package developmentIAT 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 managementNavy eMASS, VRAM, SCC, and cybersecurity reporting workflows
SkillsInformation assurance, cybersecurity engineering, or RMF package developmentNIST SP 800-53 Rev 5, STIGs, and POA&M managementNavy eMASS, VRAM, SCC, and cybersecurity reporting workflowsStrong technical writing skillsExperience briefing senior leadershipFamiliarity with DevSecOps and Zero Trust principles
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
Life at Diligent Consulting
Diligent Consulting Inc is an IT services provider delivering high quality solutions in Enterprise Architecture, Legacy System Revitalization & Transformation, Application Development, Cyber Security and Professional Services.
We are appraised at CMMI Maturity Level 3 and ISO 9001:2008. Diligent is a Service Disabled Veteran Owned Small Business. We are proud to have been awarded a prime contract under NETCENTS-2 Application Services, Small Business.
We uphold the values of integrity and professionalism and are grounded in an overriding dedication to apply the right skills to support our customer's mission. The Diligent team has an ideal combination of experience and leadership to provide complete IT lifecycle services with the ability to quickly understand, master, and exploit new technologies and tools helping customers solve specific mission challenges. We strive to have a positive impact upon the communities in which we live and work.
Read more about us at Diligent's website.
Thrive Here & What We Value1. Collaborative & Innovative Environment2. Emphasis on Continuous Learning & Improvement3. Opportunities for professional growth and development4. Focus on Delivering High-Quality Products5. Strong Teamwork & Camaraderie