Senior Penetration Tester – Threat Emulation (TS/SCI)

Agile Defense, LLC; Crosspointe (VA); Hybrid; USD 165,000 - 175,000; Full time

Job summary

Agile Defense, LLC seeks a Penetration Tester III to support a federal agency in a hybrid Springfield, VA environment. The role requires full-spectrum offensive ops from infection vector to final report, with top‑secret clearance and OSCP/GPEN or related certs.

Salary is $165,000–$175,000 per year, with strong emphasis on threat emulation and adversary emulation leveraging modern tooling. The candidate develops exploits and benign malware, drafts detailed findings, and briefs senior leadership

Qualifications

• 7+ years of experience in cyber offensive operations, red team work, and/or penetration testing.
• Active Top Secret Clearance and SCI eligibility.
• Strong analytical and technical skills in computer network defense operations.
• Experience with threat intelligence/information analysis to proactively identify threats, events, and incidents.

Responsibilities

• Research and stay up to date with emerging threats and Threat Emulation methodologies.
• Map Cyber Key Terrain and generate priority target lists.
• Engage in project meetings to understand infrastructure changes affecting Threat Emulation.
• Research tools to address capability gaps in detecting or blocking malicious activity.
• Develop and write custom scripts (Python, Rust or PowerShell) to simulate attacker behavior.
• Provide reporting for threat emulation successes and brief leadership.

Skills

Threat Emulation

Penetration Testing

Red Team

Cyber Offense

Report Writing

Analytical Skills

Vulnerability Analysis

Education

High School Diploma

Tools

Python

PowerShell

Rust

Job description

Agile Defense, LLC seeks a Penetration Tester III to support a federal agency in a hybrid Springfield, VA environment. The role requires full-spectrum offensive ops from infection vector to final report, with top‑secret clearance and OSCP/GPEN or related certs.

Salary is $165,000–$175,000 per year, with strong emphasis on threat emulation and adversary emulation leveraging modern tooling. The candidate develops exploits and benign malware, drafts detailed findings, and briefs senior leadership