Senior Information System Security Officer

Responsibilities

• Serve as the primary cybersecurity advisor for assigned information systems throughout the system lifecycle
• Lead Risk Management Framework (RMF) activities supporting initial authorization, ongoing authorization, annual assessments, and continuous monitoring
• Coordinate with System Owners, Authorizing Officials, business stakeholders, engineering teams, and Government personnel
• Develop, maintain, and continuously update System Security Plans (SSPs), security documentation, and authorization artifacts
• Track vulnerabilities, POA&Ms, risk acceptance decisions, and remediation activities
• Support annual security assessments, Security Control Assessments (SCAs), and internal/external audits
• Mentor junior ISSOs and support consistent application of RMF processes

Requirements

• Bachelor's degree in Cybersecurity, Information Systems, IT, Computer Science, or related discipline
• 5+ years of experience as an ISSO or supporting Federal RMF and Assessment & Authorization (A&A) programs
• Demonstrated experience with all phases of the NIST Risk Management Framework
• Strong working knowledge of NIST SP 800-37, NIST SP 800-53 Rev. 5, NIST SP 800-53A, and FISMA
• Experience preparing SSPs, SARs, POA&Ms, and contingency planning documentation
• Excellent written and verbal communication skills

Preferred Qualifications

• Experience supporting NIH, HHS, or other Federal civilian agencies
• Experience with JCAM, eMASS, ServiceNow GRC, or Archer
• Experience supporting cloud-based systems or High Value Assets (HVAs)
• Familiarity with Zero Trust implementation and continuous monitoring
• Certifications such as CGRC, CISSP, CAP, CISM, Security+, or PMP

Benefits

• Competitive salary
• 100% of medical premiums covered
• 3 weeks of PTO plus 11 paid holidays
• 401k with 100% match on the first 4%
• Monthly reimbursement for cell phone and home internet
• Investment in training and certifications

About the Company

True Zero Technologies is a veteran-owned small business dedicated to the purposeful enablement of people and technology. Recognized as a Best Place to Work and an Inc. 5000 fastest-growing company, True Zero focuses on delivering top-tier services through a people-first approach.