Washington, DC, United States
Top Secret w/ SCI
On-site only
Information Technology

**Overview**

We are seeking a highly experienced Senior Cybersecurity Engineer to support enterprise Zero Trust maturity, continuous monitoring operations, and vulnerability lifecycle management across federal networks. The ideal candidate will have deep hands‑on experience in DHS or DoD environments, proficiency with ACAS/Tenable, Archer GRC, and endpoint security technologies, as well as the ability to lead technical initiatives and mentor junior analysts. This role is critical to strengthening our security posture and ensuring compliance with NIST, ICD 503, CNSS, and RMF frameworks.

**Responsibilities**

+ Lead continuous monitoring operations across enterprise networks, systems, and user accounts using tools such as Archer GRC, Nessus, ACAS, and Tenable SC
+ Develop and maintain automated cyber risk dashboards, heat maps, and risk registers to support s...