Systems Security Engineer - RMF

Software Systems Engineer III

Location:

Manassas, VA

Full‑Time Onsite | No Travel

Salary: $110,000 - $150,000 per year

We are seeking a cybersecurity engineering professional to lead and execute Risk Management Framework (RMF) activities supporting multiple U.S. Navy information systems. The role drives authorization efforts from system categorization through ongoing monitoring while partnering with technical teams to maintain cybersecurity compliance, vulnerability remediation, and authorization readiness.

• Lead multiple Navy information systems through the full RMF lifecycle.
• Develop, submit, and maintain complete authorization packages including SSPs, SAPs, SARs, RARs, POA&Ms, architectural diagrams, and hardware/software inventories.
• Assess and validate NIST SP 800-53 security controls and develop defensible control implementation narratives to support SCA and AO reviews.
• Implement and validate STIG compliance across operating systems, databases, applications, and network components.
• Conduct vulnerability scanning and analysis using ACAS/Nessus, SCAP Compliance Checker, and related cybersecurity assessment tools.
• Manage POA&M activities including risk characterization, remediation tracking, milestone management, and evidence validation through closure.
• Collaborate with system owners, ISSMs, ISSOs, SCAs, AOs, developers, and engineers to support authorization decisions and continuous monitoring activities.
• Develop and maintain authorization boundary diagrams, system architectures, data flow mappings, and security documentation.
• Support change impact analysis, ongoing authorization activities, and continuous monitoring strategies across multiple systems.
• Integrate cybersecurity and assessment activities into Agile development and Dev Sec Ops  workflows where applicable.

• Must be a U.S. Citizen with the ability to obtain and maintain a DoD Secret security clearance; active Secret clearance preferred.
• Bachelor’s degree in Cybersecurity, Computer Science, Systems Engineering, Information Technology, or related technical field; equivalent experience may be considered in lieu of a degree.
• 3–8 years of experience supporting RMF, cybersecurity engineering, information assurance, or systems security engineering activities within DoD environments.
• Experience executing the full RMF lifecycle in accordance with NIST SP 800-37 for DoD or Navy information systems.
• Strong knowledge of NIST SP 800-53 Rev 4 and/or Rev 5 security controls and control assessment methodologies.
• Experience developing RMF artifacts including SSPs, SAPs, SARs, RARs, and POA&Ms.
• Proficiency with ACAS/Nessus, SCAP Compliance Checker, STIG Viewer, and vulnerability management processes.
• Familiarity with system architectures, authorization boundaries, network diagrams, and secure systems engineering concepts.
• Ability to communicate technical security findings and risk determinations to technical and non‑technical stakeholders.
• Experience supporting multiple concurrent authorization efforts in Agile or fast‑paced engineering environments.

• Experience supporting Navy RMF implementations, NAVSEA processes, or Navy‑specific authorization workflows.
• Proficiency with eMASS and VRAM.
• Experience supporting DoD cloud authorization efforts including IL4–IL6 or FedRAMP environments.
• Familiarity with Kubernetes, Open Shift, container security, or Dev Sec Ops  CI/CD pipelines.
• Relevant certifications such as Security+, CISSP, CAP, CISM, or AWS Security certifications.
• Experience supporting SCA evaluations or serving as an ISSE or ISSM.
• Strong organizational skills with the ability to independently manage multiple priorities and concurrent efforts.

• Full‑time salaried position, direct hire with full benefits package.
• Annual profit sharing program.
• 401(k) with company match.
• Relocation assistance (sign‑on bonus for moving expenses, generally $2k–$4k).
• Quick interview process.
• Great opportunity for career advancement.
• Excellent employee tenure on average.
• 3 weeks vacation for 1st year (standard, potential to negotiate).
• Medical, Dental, Vision from first day of work.

Jobot is an Equal Opportunity Employer. We provide an inclusive work environment and consider all qualified candidates without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, age (40 and over), disability, military status, or genetic information, and any other basis protected by applicable federal, state, or local laws.