General information Requisition # R60142 Locations USA-VA-Stafford Posting Date 04/29/2025 Security Clearance Required TS/SCI Remote Type Onsite Time Type Full time Description & Requirements Shape the future of defense with ManTech! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with ManTech! ManTech seeks an Information System Security Officer to support the Marine Corps Warfighting Laboratory, Science & Technology Division in Stafford, VA Responsibilities include but are not limited to: * Provides required oversight, guidance and support for ensuring the confidentiality, integrity, and availability of systems, networks, and data through the planning, analysis, development, implementation, maintenance, and enhancement of information systems security programs, Network/Hardware/Software certification and accreditation, IA Policies and procedures, and network IA/Security tools. * Prepare documentation such as Risk Assessment Report (RAR), System Security Plans (SSP), Security Assessment Reports (SAR), and Plan of Action and Milestones (POA&Ms) to ensure compliance with government security policies and procedures * Identify IA vulnerabilities resulting from a departure from approved procedures and plans and take appropriate corrective, mitigation, and recovery actions * Oversee that applicable patches are implemented, including IA vulnerability alerts (IAVA), IA vulnerability bulletins (IAVB), technical advisories (TA), and OPDIRs * Research, evaluate, and provide feedback on problematic IA trends and patterns in customer support requirements * Perform risk and vulnerability assessments of planned and installed systems * Participate in network and systems design to ensure implementation of appropriate security policies and practices Minimum Qualifications: * Bachelor's degree and at least 4 years' experience. A total of 8 year's experience without degree. * Shall meet DOD 8570 requirements for IAT II (Security+ CE or equivalent) * Must be capable of independently completing all required system accreditation paperwork to obtain an Authority to Operate (ATO), Authority to Connect (ATC) or Interim Authority to Test (IATT) * Must be familiar with the Risk Management Framework (RFM) process Preferred Qualifications: * Knowledge of DoD 8510.01 * Intelligence Community Directive (ICD) 503 * Intelligence Community Information Technology Systems Security Risk Management * Certification and Accreditation * DoD Intelligence Information System (DoDIIS)-Joint Security Implementation Guide (DJSIG) * Familiarity with Marine Corps Certification and Accreditation Support Tool (MCCAST) Clearance Requirements: * Must have a current/active TS/SCI clearance Physical Requirements: The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations ManTech International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with ManTech, please email us at [email protected] and provide your name and contact information.