user avatar

Information System Security Officer

MANTECH

Today
Top Secret/SCI
Unspecified
Unspecified
IT - Security
Annapolis Junction, MD (On-Site/Office)

Mantech seeks a motivated, career-driven, and customer-focused Information System Security Officer (ISSO) to join our team in Annapolis Junction, MD.

This position plays a critical role in supporting enterprise infrastructure capabilities for a global, mission-focused workforce. Supporting 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.

Responsibilities include, but are not limited to:
  • Update and maintain hardware and software inventory records, including associated change logs
  • Support and coordinate Secure the Enterprise (STE) and Secure the Network (STN) activities
  • Review and address Xacta notices and ensure compliance documentation is accurate and current
  • Track, review, and resolve POAMs (Plan of Action and Milestones) related to IAVA/IAVAx findings
  • 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
  • Leverage sponsor tools such as Gatekeeper, Xacta, SEAR, and LatteArt in daily operations

Minimum Qualifications:
  • Bachelor's degree with 10+ years of relevant ISSO experience OR 4 additional years of related experience as an ISSO might be substituted for a degree
  • 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)
  • Experience reviewing, preparing, and updating ATO packages in accordance with NIST Risk Management Framework and customer policy, procedures, and guidelines

Preferred Qualifications:
  • Knowledge of STE and STN processes and coordination
  • Experience with Gatekeeper, SEAR, SCANBOY
  • Demonstrated experience in SSP development and incident response management


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
group id: RTX14564a

ManTech Corporate Capabilities

job ad image
Find MANTECH on Social Media
Network Employers
user avatar
About Us
As the Employer of Choice in the government services and solutions industry, ManTech seeks like minds who exhibit a sense of service, creativity and dedication. The ManTech family comprises a diverse yet united group of nearly 8,000 talented professionals around the globe, each bringing distinct backgrounds and skill sets to the team. Nearly half of us are veterans.

Our diversity makes us successful. Each team member is a unique piece of the puzzle, coming together to solidify our seamless foundation. As One ManTech, we learn together, we win together and we celebrate together.

Rich educational opportunities and programs help employees break through career barriers. ManTech offers tuition assistance, partnerships with universities and institutions, a Technical Recognition Awards program, professional groups that comprise our Communities of Practice and so much more. Our own acclaimed ManTech University offers instruction and resources needed for professional development.
job ad2 image

MANTECH Jobs


Job Category
IT - Security
Clearance Level
Top Secret/SCI
Employer
MANTECH