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Penetration Tester Team Lead Security Clearance

Job in Ashburn, Loudoun County, Virginia, 20147, USA
Listing for: Leidos
Full Time position
Listed on 2026-06-05
Job specializations:
  • IT/Tech
    Cybersecurity, IT Consultant, Systems Analyst, Network Security
Job Description & How to Apply Below
Position: Penetration Tester Team Lead with Security Clearance
R
- Description The U.S.
Department of Homeland Security (DHS), Customs and Border Protection (CBP) Security Operations Center (SOC) is a U . S .
Government program responsible to prevent, identify, contain and eradicate cyber threats to CBP networks through monitoring, intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial Internet connection, public facing websites, wireless, mobile/cellular, cloud, security devices, servers and workstations.  The CBP SOC   is responsible for   the   overall security of CBP Enterprise-wide information systems, and collects, investigates, and reports any suspected and confirmed security   violations.
We   are   seeking   a highly skilled and experienced Penetration   Testing Team Lead   to join our team supporting   CBP.
As the leader of this highly technical Penetration Testing Team supporting CBP, you   will be responsible for   managing the   day-to-day   operations of the team,   coordinating efforts of the team, leading by example, and   conducting comprehensive security assessments of   CBP    FISMA systems with the purpose of identifying vulnerabilities and providing actionable recommendations to enhance the security posture of CBP's critical systems and networks.

This role requires a deep understanding of offensive cybersecurity techniques, strong analytical capabilities, detailed report writing skills and the ability to   lead   a team   of   skilled penetration testers .

Primary Responsibilities:

* Responsible for managing the team of Penetration Testers, penetration tests, the   scheduling   and coordination of   pentests ,    
* Lead and execute advanced penetration testing , purple team engagements, and   red team engagements across complex enterprise environments, including internal/external network infrastructure,   Active Directory domains, APIs,   hybrid cloud architectures ,   and on-prem systems .

* Develop ,   coordinate   and   enforce Rules of Engagement (ROE) for penetration tests ,   lead stakeholder planning sessions to define scope and constraints   of upcoming   pentests ,   and deliver clear, actionable   outbriefings   on findings, impact, and remediation to technical and executive audiences.

* Develop,   modify , and deploy custom exploits, payloads, and tooling, including scripting in Python,   Ruby,   Power Shell, Bash, and   other languages   to bypass security controls, automate attack paths, and enhance tradecraft .

* Conduct penetration testing activities aligned with CBP and industry best practices.

* Provide real-time technical mentorship during engagements, including pair ed   testing, whiteboarding attack paths, and guiding junior testers through exploitation chains   and industry best practices.

* Maintain accountability for engagement quality and technical depth, reviewing findings,   validating   exploit paths, and ensuring reports accurately reflect risk, attack feasibility,   potential   impact s, and recommended remediations.

* Conduct technical oversight and quality assurance across all engagements, reviewing testing approaches,   validating   exploit chains, and ensuring consistency in   methodology , depth, and reporting standards across the team   and engagements.

* Lead purple team collaboration efforts   from the   pentest   perspective , working directly with   the CBP SOC,   detection engineering team , and Cyber Threat Hunt team   to   execute actions designed to   validate   detections, tune SIEM use cases, and improve defensive posture .

* Mentor and develop team members through structured and   ad hoc   technical coaching, raising the overall capability of the team while   maintaining   individual technical   skillsets and experience.

* Utilize the MITRE ATT&CK framework to understand   and emulate   TTPs of adversaries, threat actors, APTs, and threats targeting   CBP   and map   operations   to ATT&CK techniques and sub-techniques.

* Create detailed reports listing vulnerabilities   identified   during   pentests , with actionable mitigation recommendations following completion of   pentest   engagements.

* Stay…
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