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Leidos · 7 hours ago

Senior Penetration Tester

United States

Full-time

Remote

Senior Level, Lead/Staff

$131K/yr - $237K/yr

12+ years exp

Leidos is a company dedicated to delivering innovative solutions through a talented workforce. They are seeking a Senior Penetration Tester to support offensive security operations across DHS applications, networks, and enterprise environments, requiring deep technical expertise and hands-on experience in vulnerability research and exploitation.

ComputerGovernmentInformation ServicesInformation TechnologyNational SecuritySoftware

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Conduct penetration testing activities aligned with DHS and industry best practices

Perform web application, network, and infrastructure assessments using commercial and open-source tools

Execute testing operations safely and in accordance with defined operational guidelines

Produce detailed reports outlining findings and actionable remediation recommendations

Partner with SOC, engineering, and defensive security teams to validate and remediate vulnerabilities

Support tool development, methodology improvements, and team-wide knowledge sharing

Qualification

Penetration TestingVulnerability ResearchIncident DetectionMalware AnalysisCyber ForensicsKali LinuxMetasploitBurp SuiteCobalt StrikeTenable NessusWebInspectRelevant CertificationsReport WritingKnowledge SharingCollaboration

Required

BS Degree with 12-15 years. Master's degree in a related field with 12 years of professional experience

At least 3 years of experience in one or more of the following: Incident detection and response, Malware analysis, Cyber forensics

Proficiency with at least three of the following tools: Kali Linux, Metasploit, Burp Suite, Cobalt Strike, Tenable Nessus, WebInspect, Scuba, AppDetective

One or more relevant certifications, such as: GPEN, GWAPT, GISF, GXPN, OSCP, OSCE, OSWP, OSEE, CISSP, or CEH

U.S. Citizenship required; must be able to obtain a Top Secret clearance with SCI eligibility and DHS EOD