ManTech is seeking a motivated, career-driven, and customer-focused Information System Security Officer (ISSO) to join our team in Laurel, MD. You will play a critical role in supporting enterprise infrastructure capabilities for a global, mission-focused workforce. This position supports the high-visibility Enterprise Infrastructure Services (EIS) organization, responsible for the delivery and security of MPO’s Enterprise Information Technology (EIT)—the foundation for enterprise-wide services. As an ISSO, you will work alongside customers, Integrated Product Teams (IPTs), and vendors to support the implementation and compliance of advanced EIT capabilities through Data Center & Compute Services. You will manage cybersecurity documentation, assess system vulnerabilities, and support the Risk Management Framework (RMF) lifecycle in alignment with Sponsor policies.Responsibilities include, but are not limited to:
Leads medium to large complex projects and major phases of very large projects.
Provides highly technical and specialized guidance and solutions to complex IT problems.
Assist with preparation and maintenance of documentation
Propose, coordinate, implement, and enforce information systems security policies, standards, and methodologies.
Assist with the CM for information system security software, hardware, and firmware.
Maintain optional security posture for an information system or program.
Develop and maintain System Security Plans (SSPs) for both new and existing systems
Analyze vulnerability scan results and collaborate with system owners to implement remediation
Support the initial authorization and reauthorization processes for system(s)
Manage and control changes to the system and assessing the security impact of those changes.
Minimum Qualifications:
Bachelor’s degree with 12+ years of relevant experience OR associate’s degree with 15 years of relevant experience OR high school diploma/GED with 20 years of relevant experience
Experience with Xacta, LatteArt and other sponsor tools
Experience managing POAMs, performing audit log reviews, and maintaining secure system inventories
IAM I certification (DoD 8140 required upon start of employment. Acceptable certifications include CAP/CND/Cloud+/GSLC/Security + CE/HCISSP/CASP+CE/CISM/CISSP/ or CCISO)
Preferred Qualifications:
Knowledge of STE and STN processes and coordination
Experience with Gatekeeper, SEAR, SCANBOY
Experience with the Service Now (SNOW) platform
Clearance Requirements:
Must possess and maintain a current/active TS/SCI clearance with Polygraph
Physical Requirements:
Must be able to remain in a stationary position 50% of the time
Occasionally moves about inside the office to access file cabinets, office machinery, etc.
Frequently communicates with co-workers, management, and customers, including delivering presentations. Must be able to exchange accurate information in these situations
