Join Leidos as a Senior Penetration Tester

At Leidos, we deliver innovative solutions through our diverse, talented teams dedicated to customer success. We empower our people, contribute to communities, and operate sustainably, guided by our Mission, Vision, and Values. If you thrive in a dynamic environment, this is your opportunity.

Role in Digital Modernization Sector

Support the DHS Chief Information Security Officer Directorate (CISOD) in ensuring compliance with FISMA, OMB circulars, Executive Orders, and federal policies while maintaining a secure computing environment. Information security is core to DHS operations.

Primary Responsibilities

• Conduct penetration testing aligned with DHS and industry best practices.
• Perform web application, network, and infrastructure assessments using tools like Kali Linux, Metasploit, Burp Suite, and Cobalt Strike.
• Execute operations safely per guidelines.
• Deliver detailed reports with actionable remediation.
• Partner with SOC, engineering, and defensive teams for vulnerability validation.
• Contribute to tool development, methodology enhancements, and knowledge sharing.

Required Qualifications

• BS with 12-15 years or Master’s with 12 years experience.
• 3+ years in incident detection/response, malware analysis, or cyber forensics.
• Proficiency in 3+ tools: Kali Linux, Metasploit, Burp Suite, Cobalt Strike, Tenable Nessus, WebInspect, Scuba, AppDetective.
• Certification: GPEN, GWAPT, GISF, GXPN, OSCP, OSCE, OSWP, OSEE, CISSP, CEH.
• U.S. Citizenship; Top Secret/SCI eligibility and DHS EOD.

Why Leidos?

We outthink, outbuild, and outpace the status quo. We're recruiting disruptors who refuse to fail. Pay Range: $131,300 - $237,350 USD (factors include experience, skills, location). Original posting: January 15, 2026. U.S. positions open at least 3 days.