**MANTECH** seeks a motivated, career and customer-oriented **Information System Security Officer (ISSO)** to join our team in **Chantilly, VA.**

**Responsibilities include, but are not limited to:**

+ Ensure the day-to-day implementation, oversight, continuous monitoring, and maintenance of the security configuration, practices, and procedures for each IS. Ensure that selected security controls are implemented and operating as intended during all phases of the IS lifecycle. Ensure that system security documentation is developed, maintained, reviewed, and updated on a continuous basis.
+ Provide liaison support between the system owner, System Administrators and other IS security personnel. Conduct required IS vulnerability scans according to risk assessment parameters.
+ Develop Plan of Action and Milestones (POAMs) in response to reported security vulnerabilities
+ Manage the risks to ISs and other NRO assets by coordinating appropriate correction or m...