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Information Assurance (RMF) Security Specialist

Markon

Posted yesterday

Job Requirements

Chantilly, VA
Top Secret/SCI CI Polygraph
Mid Level Career (5+ yrs experience)
$190,000 - $210,000

Job Description

RMF Execution & Compliance
  • Lead and support all phases of the Risk Management Framework (RMF) process in accordance with NIST SP 800-37 and related standards.
  • Develop, maintain, and update RMF documentation including:
    • System Security Plans (SSPs)
    • Security Assessment Reports (SARs)
    • Plans of Action and Milestones (POA&Ms)
    • Continuous Monitoring Strategies
  • Coordinate security authorization packages for Authorization to Operate (ATO) decisions.

Security Control Implementation & Assessment
  • Apply and validate security controls based on NIST SP 800-53 and organizational overlays.
  • Conduct control assessments and support independent security assessments and audits.
  • Identify security gaps and recommend remediation actions.

Cybersecurity Tools & Technologies
  • Familiarity with current Information Assurance (IA) and cybersecurity tools such as vulnerability management and scanning tools
  • Interpret scan results and drive remediation efforts with system owners and engineers.


Continuous Monitoring & Risk Management
  • Support continuous monitoring programs to ensure ongoing compliance with security controls.
  • Track vulnerabilities, risks, and mitigation progress through POA&M management.
  • Provide risk-based recommendations to system owners and Authorizing Officials (AOs).

Collaboration & Stakeholder Engagement
  • Work closely with system engineers, network administrators, program managers, and security leadership.
  • Participate in security working groups, technical reviews, and compliance audits.
  • Communicate security posture and risk status to technical and non-technical stakeholders.


Required:
  • An active TS/SCI with a current CI Polygraph (preferably from this client) is required to be considered for the role.
  • BS in Computer Science, Cyber Security, or related field.
  • Demonstrated hands-on experience executing the RMF lifecycle (all or most phases).
  • Experience and/or understanding of the Software Development Lifecycle (SDLC)
  • Current, active security certification such as:
    • CompTIA Security+,
    • CISSP (Certified Information Systems Security Professional),
    • CISM (Certified Information Security Manager),
    • CIAM (Certified Identity and Access Manager),
    • CCSP (Certified Cloud Security Professional).
  • Familiarity with federal cybersecurity compliance environments.
  • Ability to operate independently and contribute immediately upon assignment.

Desired:
  • Master's Degree in Computer Science or Cyber Security.
  • Experience with cloud security RMF (e.g., AWS GovCloud, Azure Government).
  • Strong analytical, documentation, and communication skills.
  • Prior experience supporting ATO packages in enterprise environments.
group id: 10304679
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About Us
Markon is a national consulting firm with a federal government focus, specializing in enterprise technology, business operations, and critical infrastructure for the intelligence community and civilian and defense agencies. Our team helps solve the nation’s most important challenges with expertise, resilience, and our award-winning culture. Markon brings a fresh approach and deep dedication to what matters most – supporting our people and advancing our clients’ missions. Markon is a portfolio company of Sterling Investment Partners.

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Job Category
IT - Security
Clearance Level
Top Secret/SCI
Employer
Markon