Artificial Intelligence (AI), CISA - Certified Information Systems Auditor, Cloud Computing, Data Analysis, FISMA - Federal Information Security Management Act, GPEN - GIAC Penetration Tester, Government Intelligence, Homeland Security, Infrastructure as a Service (IaaS), Intelligence Agencies, Internet Security, Internet of Things, Leading Edge Technology, Local Area Network (LAN), Mobile Devices, National Security Agency (NSA), Network Support, Office Equipment, Penetration Testing, Platform as a Service (PaaS), Protective Services, Quantum Computing, Return on Equity (ROE), Risk Management, Secret Clearance, Social Engineering, Software Development, Software as a Service (SaaS), Team Player, Technical Leadership, Testing, Wide Area Network (WAN)
General Information
Requisition: R66766
Locations:
- USA-VA-Chantilly
- USA-AZ-Chandler
Posting Date: 03/26/2026
Security Clearance Required: Secret
Remote Type: Onsite
Time Type: Full time
Description & Requirements
Unlock the secrets of intelligence with MANTECH. Join a dynamic team at the forefront of national security providing advanced solutions to government intelligence agencies. Since 1968, weve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics, and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH.
This is for a future opportunity. MANTECH seeks a motivated, career, and team-oriented Penetration Testing Lead 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 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 organizations status as a Cybersecurity Service Provider (CSP) through active testing.
Minimum Qualifications
- Bachelors Degree.
- 5 years of penetration testing experience.
- Must have GPEN or GXPN AND one of the following: 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).
- NSA Red Team certification.
- Experience with post-quantum computing assessment/implementation.
Clearance Requirements
- Must possess an 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.
MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.
M
ManTech International Corp
Our Mission
Our mission is empowering our nation through a diverse and skilled workforce securely delivering innovative technology, consulting services and digital solutions for our customers’ mission success, every day.
Our Vision
Our vision is Securing the Future as the most trusted partner for U.S. Defense, Intelligence and Federal Civilian customers through the power of One ManTech. When these agencies think of an essential partner for their national and homeland security needs, they think ManTech.
Our Values
Our values are grounded in a bedrock of truth, integrity and caring for each other and the mission. We hold steadfast to:
• TRUST – We earn and protect the trust of our customers, employees and investors through an enduring foundation of respect, fairness, credibility and honoring our commitments, always.
• INCLUSION – We are an inclusive, diverse and talented workforce with a passion for mission success, intellectual capital, creativity and integrity. Our high ethical standards and investment in our people build confidence with our customers.
• QUALITY– We deliver exceptional quality to customers through differentiated technology solutions and an uncompromising focus on excellence, value and innovation.
5,000 to 9,999 employees
https://www.mantech.com/about