Senior Information Systems Security Officer (ISSO)

Role overview A senior cybersecurity Subject Matter Expert is needed to support a Department of Defense customer's systems and capabilities. The role focuses on security authorization, vulnerability management, and continuous monitoring within a defense agency environment. This is a remote position with occasional onsite travel to customer facilities in the Washington, DC metro area.

Responsibilities - Act as a senior cybersecurity SME supporting assessment, authorization, and ongoing monitoring of mission systems - Lead implementation and execution of the Risk Management Framework (RMF) and maintain system authorization packages - Monitor cybersecurity posture, track vulnerabilities, findings, and remediation activities across assigned systems - Develop, review, and maintain RMF artifacts, eMASS packages, and supporting cybersecurity documentation and evidence - Analyze complex cybersecurity risks and craft mitigation strategies and courses of action for leadership and engineering teams - Coordinate with system owners, engineers, architects, and Government stakeholders to resolve intricate security issues and ensure DoD/DISA compliance

Requirements - Master's degree with at least 15 years of relevant cybersecurity experience, or equivalent experience substituting for the degree - One current certification such as SecurityX/CASP+, CCISO, CCSP, CCGRC/CAP, or Cloud+ - Active and maintainable DoD Top Secret clearance - Residence within commuting distance of customer facilities in the Washington, DC metro area - Extensive hands-on experience with RMF processes, eMASS authorization packages, and tools such as ESS, ACAS, COAMS, CMRS, STIG Viewer, and STIG/SRRs - Demonstrated ability to independently analyze technical cybersecurity challenges and communicate findings clearly to technical and non-technical audiences

Nice to have - Prior DISA cybersecurity experience or familiarity with Mission Partner Environment (MPE) settings - Background as an ISSO, senior cybersecurity advisor, security engineering SME, or Trusted Agent - Working knowledge of Public Key Infrastructure, certificates, and key management - CISSP or comparable senior-level cybersecurity certification

Benefits and work setup - Projected compensation starting at $160,000+ annually, with final pay determined by experience, clearance level, certifications, and qualifications - 26 days of paid leave covering vacation, sick, personal time, and holidays - Performance bonuses tied to individual contributions and company results - 401(k) plan with a 3% employer match and immediate vesting - Company-paid life insurance up to $300K with additional voluntary coverage options - Multiple medical, dental, and vision plan options plus FSA and HSA accounts - 15 days of fully paid parental leave for new parents - Military differential pay for employees on active duty - Paid training, certification support, and tuition reimbursement for professional growth