Posted:
June 17, 2026
Location:
Fort Belvoir, VA, United States

Job Description

SMX is seeking a **Cybersecurity SME Senior SIGINT** to support GISA at Fort Belvoir, VA. The successful candidate will have experience working as an ISSO on large Department of Defense contracts and leading a team of other cyber security professionals in support of project and client goals and objectives.

**This is a full-time onsite position in Ft. Belvoir, VA.**

**Essential Duties & Responsibilities**

+ Continuous Monitoring Activities within 120-100 days of ATD:
+ Self-Test Security Controls are completed and updated annually.
+ Diagrams updated.
+ Hardware/Software Lists
+ Scans in artifacts or in **CyborgBunny** systemare updated **.**
+ Ensure POA&M Elements for Security Controls in **XACTA** are updated, completed by ISSO, or closed by DAO.
+ RMF documents updated within 12-18 months (Incident Response, Contingency Plan, Configuration Plan, Disaster Recovery Plan, Privileged User Guide, General User Guide)
+ Monitor and revi...

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Job Overview

Job Type: Full-time
Location: Fort Belvoir, United States
Posted: June 17, 2026
Deadline: June 23, 2026