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Information Systems Security Officer  Location: Onsite | Washington, D.C.
Clearance: Active TS/SCI Employment Type: Full-time, salaried, with full benefits The Company & Mission: Join a mission-driven defense technology company at the forefront of maritime domain awareness and national security innovation. This team is building next-generation platforms that combine artificial intelligence, advanced sensor systems, and real-time data processing to support critical U.S. defense operations. The organization operates with a flat structure, empowering engineers to work directly with leadership and take full ownership of high-impact systems. You’ll collaborate across hardware, software, and mission teams to deliver solutions that are actively deployed in operational environments. This is an opportunity to work on real-world systems that directly impact warfighter capabilities — including AI-powered platforms integrated with sonar data and edge-deployed sensor networks. What This Role is All About: As the Information Systems Security Officer, you'll provide senior-level cybersecurity leadership and oversight across all information systems supporting the program — serving as the authoritative subject matter expert on security policy, risk management, and compliance within the Intelligence Community. This is a small team wearing many hats. You'll lead the Risk Management Framework process across multiple systems, advise program leadership and the Authorizing Official on cybersecurity risk, and manage and mentor ISSO personnel — all while making sure security architecture decisions align with mission requirements and IC/DoW directives. What You’ll Be Doing: • Serve as the senior security authority for all program information systems, providing oversight to ISSOs and security staff
• Lead and manage the Risk Management Framework (RMF) process across multiple systems, ensuring ATOs are achieved and maintained in compliance with ICD 503 and NIST standards
• Develop, implement, and enforce information security policies, procedures, and standards tailored to IC operational environments
• Advise program leadership and the Authorizing Official (AO) on cybersecurity risks, mitigation strategies, and residual risk acceptance
• Oversee continuous monitoring programs, security control assessments, and vulnerability management activities
• Lead incident response, forensic investigations, and after-action reporting for security events affecting classified systems
• Manage and mentor ISSO personnel, establishing clear responsibilities and security workflows
• Coordinate with IC and DoW security stakeholders, including IGs, inspectors, and oversight bodies
• Ensure security architecture and engineering decisions align with mission requirements and applicable directives (ICD 503, CNSSI 1253, NIST SP 800-53)
• Evaluate emerging threats and drive proactive security improvements across AI/ML and data platforms
• Support audits, inspections, and reviews by government oversight authorities What You Bring: • Active TS/SCI required; must be able to obtain a Polygraph
• Deep expertise in NIST RMF, ICD 503, CNSSI 1253, and IC/DoW security policy frameworks
• Demonstrated experience achieving and maintaining ATOs for complex, multi-system programs in classified environments
• Strong background in security architecture, risk management, and incident response within JWICS or similar classified networks
• Experience leading and mentoring security teams in a fast-paced, mission-driven environment
• Professional certifications required: CISSP; CISM, CAP, or CASP+ strongly preferred
• DoW 8570/8140 IAM Level III compliance required Bonus Points: • Experience with AI/ML system security considerations
• AWS GovCloud or Azure Government security experience
• Military Intelligence or IC experience Benefits: • 401(k) with company match
• Unlimited paid time off (PTO)
• Dedicated sick time
• Comprehensive medical, dental, and vision coverage
• 11 paid holidays
• Life insurance and disability coverage
• Referral and performance bonuses
• Professional development and certification reimbursement (position dependent)
• Technology stipend for home office setup
• Relocation assistance (position dependent)
• Mission-driven work with direct real-world national security impact