Information System Security Officer; ISSO PROPOSAL
Washington, District of Columbia, 20022, USA
Listed on 2026-06-18
-
IT/Tech
Cybersecurity, Information Security
Location
Remote (U.S.
-Based)
ACTIVE SECRET CLEARANCE REQUIRED
Salary Range$100,000 to $115,000
Who We AreRCG is a growing federal contracting company proudly Certified™ as a Great Place to Work®. We deliver innovative technology and mission support services that help federal agencies succeed while fostering a culture of collaboration and excellence.
The OpportunityWe are currently seeking an Information System Security Officer (ISSO) to support a federal government customer.
This is a remote position supporting cybersecurity, compliance, and system security activities across federal environments. This role supports both hands‑on RMF execution and security compliance efforts, ensuring systems remain authorized and aligned with federal requirements.
What You’ll Do- Support Assessment & Authorization (A&A) activities to maintain system accreditation and acceptable risk levels
- Work with system engineers and administrators to develop corrective action plans based on internal and external audit findings
- Perform routine self‑assessment audits to ensure compliance with federal and agency security requirements
- Provide tracking, coordination, and reporting for cybersecurity training compliance activities
- Develop and maintain system security plans (SSPs) and other required security documentation
- Perform or interpret vulnerability assessment scans and track mitigation actions with system teams
- Manage and track POA&M activities and remediation progress
- Collaborate with engineers, administrators, and stakeholders to ensure security controls are implemented and maintained
- Provide input through reports, briefings, and documentation to support compliance and leadership visibility
- ACTIVE SECRET CLEARANCE REQUIRED
- 3–5+ years of experience in IT or cybersecurity roles, with at least 1 year supporting ISSO or security compliance functions
- Bachelor’s degree in IT, Cybersecurity, Computer Science, Business, or related field OR Associate’s degree with relevant experience and certification OR additional relevant experience in lieu of degree
- Knowledge of federal cybersecurity frameworks and compliance requirements (RMF, NIST, FISMA)
- Experience with vulnerability scanning, assessment, and remediation tracking
- Experience developing or reviewing security documentation and system security plans
- Strong written and verbal communication skills
- DoD 8570/8140 certification (Security+, CISSP, or equivalent)
- Experience with ACAS, Nessus, or similar tools
- Familiarity with eMASS or similar A&A tools
- Experience supporting federal IT or cloud‑based environments
This is a remote position. Occasional travel or on‑site support may be required based on program needs.
Important NoteDue to the secure nature of this government agency, all candidates must be U.S. citizens and hold an active Secret clearance.
The successful candidate will receive a contingent offer based on the outcome of a government background investigation. This process may take several weeks, and candidates cannot begin employment until the background check is successfully completed.
Why You’ll Love Working Here- Competitive compensation
- Comprehensive benefits package
- Growth opportunities in federal cybersecurity
- Supportive, people‑first culture
- Certified™ as a Great Place to Work®
RCG is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to protected status.
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