Senior Penetration Tester

MANTECH seeks a motivated, career, and team-oriented Senior Penetration Tester to support a DHS customer in Chandler, AZ OR the National Capital Region.

As part of this mission, you will help the organization maintain its prestigious designation as a Cybersecurity Service Provider (CSP) and Center of Excellence (COE). Our team provides comprehensive, 24/7/365 security services supporting an expansive network across LANs, WANs, and advanced Cloud-based infrastructures. This is a unique opportunity to utilize a "kill chain" process to thwart Advanced Persistent Threats (APT) and implement cutting-edge technologies like Zero Trust Architecture, AI/ML risk mitigation, and Post-Quantum Computing readiness.

Responsibilities include but are not limited to:

• Conduct continuous penetration testing on ICE FISMA systems, mobile devices, and IoT.
• Perform Red Team engagements and support Purple Team remediation verification.
• Execute High Value Asset (HVA) Assessments and social engineering tests.
• Develop and follow security testing Rules of Engagement (ROE).
• Support the organization's status as a Cybersecurity Service Provider (CSP) through active testing.

Minimum Qualifications:

• Bachelor's Degree.
• 5+ years of penetration testing experience.
• Must have GPEN or GXPN AND one of: GRTP, CRTL, OSCP, CMWAPT, CEPT, CPT, or LPT
• Ability to obtain CISA AES HVA Assessment Lead or Technical Lead certification.

Preferred Qualifications:

• Experience with Cloud technology (IaaS/SaaS/PaaS) and NSA Red Team certification.
• Experience with post-quantum computing assessment/implementation

Clearance Requirements

• Must be a U.S. Citizen.
• Active Secret clearance.
• Must be able to obtain and maintain an ICE Entry on Duty (EOD) Suitability.

Physical Requirements:

• Must be able to remain in a stationary position 50% of the time.
• Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers and customers.