Information System Security Officer

**MANTECH** seeks a motivated, career driven, and customer-focused **Information System Security Officer (ISSO)** to join our team in **Columbia, Maryland.**

You will play a critical role in supporting enterprise infrastructure capabilities for a global, mission-focused workforce. 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:**

+ 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 docum...

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