Location
Washington, DC, United States
Posted
July 25, 2026
Job Description
Washington, DC, United States
Top Secret w/ SCI
On-site only
Information Technology
**Overview**
GovCIO is currently hiring for a Senior Pentration Tester with an active TS/SCI clearance to support DHS onsite in Washington, DC.
**Responsibilities**
The Senior Penetration Tester serves as Key Personnel responsible for leading advanced penetration testing and vulnerability assessment activities within a TS/SCI environment. This role ensures mission‑critical security assurance across enterprise systems, applications, and cloud infrastructures by applying deep technical expertise, zero‑trust principles, and attacker‑focused methodologies. The Senior Penetration Tester guides technical direction, ensures rigorous execution, and provides authoritative recommendations to strengthen security posture across sensitive environments.
+ Lead, plan, and oversee penetration testing operations for systems, networks, cloud resources, and web‑based a...
Top Secret w/ SCI
On-site only
Information Technology
**Overview**
GovCIO is currently hiring for a Senior Pentration Tester with an active TS/SCI clearance to support DHS onsite in Washington, DC.
**Responsibilities**
The Senior Penetration Tester serves as Key Personnel responsible for leading advanced penetration testing and vulnerability assessment activities within a TS/SCI environment. This role ensures mission‑critical security assurance across enterprise systems, applications, and cloud infrastructures by applying deep technical expertise, zero‑trust principles, and attacker‑focused methodologies. The Senior Penetration Tester guides technical direction, ensures rigorous execution, and provides authoritative recommendations to strengthen security posture across sensitive environments.
+ Lead, plan, and oversee penetration testing operations for systems, networks, cloud resources, and web‑based a...