Information Systems Security Officer

ManTech seeks a motivated, career and customer-oriented Information Systems Security Offier to join our team in Chantilly, VA The Information Systems Security Officer (ISSO) will leverage their strong technical background and knowledge to support the Sponsor's system accreditation efforts, to include creating Body of Evidence (BOE) documentation, responding to/implementing/documenting required controls, and completing required tasks/actions. Responsibilities include but are not limited to:Creating, updating, maintaining, and interpreting required Body of Evidence (BOE) documentationWorking with management, internal teams, and Sponsor's authorities to successfully navigate the Sponsor's accreditation process for all systemsDocumenting responses to required controls and updating as necessary while maintaining a robust library of documentation, to include network diagrams for cyber defense capabilities and sensors, and making documentation available to all personnel with appropriate need-to-knowMaintaining, updating, and conducting routine vulnerability scanning across all Sponsor networksMaintaining system baselines and configuration management items, including security event monitoring policiesWorking with all stakeholders to ensure complete and functioning systems that meet all requirementsRecommending, and when approved, implementing process and policy improvements Minimum Qualifications:High School Diploma/GED with 7+ years of progressively responsible experience in Information Systems SecuritySignificant experience navigating the Sponsor's accreditation process and ICD 503 requirements, especially as it relates to creating A&A Body of Evidence (BOE) documentationSignificant experience meeting security requirements in the Sponsor's environment or similar environmentsExperience working across a large team to drive a security agenda and working with complex, intertwined systems and data flowsExperience inventorying complex networks, and with network documentation (security compliance, configuration management, patching, centralized authentication, removable media, etc.)Experience creating, maintaining, and communicating complex information technology documentation, particularly network and security documentation Preferred Qualifications:Certified Information Systems Security Professional (CISSP certification)Experience with the Sponsor's primary cyber risk and compliance automation toolsSelf-starter with excellent people skills - able to work across teams, organize meetings/boards, and drive change throughout an organization Clearance Requirements:An active TS/SCI with Polygraph Physical Requirements:Must be able to remain in a stationary position 50%Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations

Created: 2025-04-19