Senior ISSO - RMF & Continuous Monitoring Lead

Peraton; Annapolis (MD); On-site; USD 104,000 - 166,000; Full time

Job summary

Peraton seeks an information security professional to support ISSM/ISSO activities across multiple environments in the Annapolis area. The role involves executing RMF tasks, maintaining artifacts, and leading continuous monitoring efforts to ensure compliant, secure systems.

Candidates should hold a Top Secret clearance with SCI eligibility and DoD 8570 IAM II certification, with extensive experience in NIST frameworks, vulnerability tooling, and collaboration with ISO and PMs.

Qualifications

• Active Top Secret clearance withSCI eligibility.
• Five years with a BS/BA; three years with an MS/MA; four additional years may substitute for a degree.
• Security+ or equivalent certification (DoD 8570 IAM Level II).
• Experience with SAP assessments and authorizations.
• Three+ years in ATO process, continuous monitoring, POA&Ms, SA, NIST 800-37/800-53 Rev4/Rev5; collaboration with ISO/PM.
• Experience with SCAP, STIGs, and other compliance tools.
• Strong written and verbal communication; able to work with teams.

Responsibilities

• Assist the ISSM with information assurance efforts across environments.
• Perform ISSO roles and responsibilities as per JSIG and regulations.
• Execute RMF activities: control oversight, evidence collection, assessment support, POA&M management, continuous monitoring.
• Maintain security artifacts: SSP, control narratives, diagrams, CM plan, incident handling, contingency artifacts.
• Operate continuous monitoring: vulnerability management, config compliance, patching coordination, triage, risk acceptance, remediation verification.
• Review and approve security changes; validate configurations after upgrades.
• Support incident response and reporting: investigations, containment, evidence preservation, lessons learned.
• Ensure least privilege governance: account management, privileged access workflows, access reviews, audit compliance.
• Translate security requirements into implementable guidance for engineering teams (testable and automatable where possible).

Skills

Top Secret clearance

Security compliance

Written & verbal communication

Team collaboration

SCRUM methodologies

Education

BS/BA degree

MS/MA degree

4+ years experience in lieu of degree

Tools

Splunk

ACAS

Nessus

SCAP

Job description

Peraton seeks an information security professional to support ISSM/ISSO activities across multiple environments in the Annapolis area. The role involves executing RMF tasks, maintaining artifacts, and leading continuous monitoring efforts to ensure compliant, secure systems.

Candidates should hold a Top Secret clearance with SCI eligibility and DoD 8570 IAM II certification, with extensive experience in NIST frameworks, vulnerability tooling, and collaboration with ISO and PMs.