Information System Security Officer (ISSO)

ManTech (


  full-time   employee   contract

United States

Become an integral part of a diverse team that leads the world in Mission, Cyber, and Intelligence Solutions. At ManTech International Corporation, you will help protect our national Security while working on innovative projects that offer opportunities for advancement.

ManTech is seeking a talented, motivated Information Security Specialist (ISSO) who will ensure that the appropriate operational Security posture is maintained for assigned Information Systems and as such, works in close collaboration with the Information System Security Manager (ISSM). You will ensure that cyber Security requirements are effectively integrated into Information Systems' operations, management, and documentation. As an Information System Security Officer, you will provide critical Systems, application and infrastructure support to the customer. You have the opportunity to work with a team across multiple technical areas to include Security, and Systems administration. Offers a great opportunity for technical and professional growth.

Responsibilities include, but are not limited to:
? Controlling, labeling, virus scanning, and appropriately transferring data between Information Systems at varying classification levels,
? Inspecting computer hardware prior to disposal,
? Assessing and responding to Security-related requests within various ticketing Systems,
? Analyzing new software requests,
? Maintaining operational Security posture for Information Systems,
? Performing risk assessment analysis to support Assessment and Authorization (A&A),
? Preparing and reviewing A&A documentation in accordance with ICD 503,
? Supporting industry partners with their A&A efforts,
? Prepare system documentation for assessment in accordance with the Risk Management Framework (RMF); identify deficiencies and provide recommendations for solutions; track findings with Plan of Action and Milestones (POA&M) through mitigation and risk acceptance,
? Create Security policies and maintain existing Information system Security documentation,
? Conduct periodic and continuous reviews of the system to ensure compliance with the authorization package; perform Nessus scans and coordinate with O&M support to correct,
? Conduct daily, weekly and monthly audit review and management of the audit collection system
? Continuously review/evaluate best practices for implementing comprehensive audit program,
? Implement vulnerability management programs, including tracking and addressing IAVAs and Security patches, accessing applicability to existing Systems, and ensuring closure,
? Implement media control and data transfer policies.

Position Requirements:
? Bachelor?s degree and 7-10 years of relevant experience; Master?s degree and 5-7 years of relevant experience
? Familiarity with Information system Security principles,
? Ability to build rapport with military, civilian, and contractor personnel at all levels,
? Knowledge of Security-related IC and DoD policies, procedures and operating instructions,
? Must obtain Information Assurance Management (IAM) Level II (CAP, GSLC, CISM, CASP, CISSP) level, or higher certification.
? Experience with Insider threat is highly desired.

Security Requirements:
Active/current TS/SCI with CI Polygraph clearance is required.



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