Senior Penetration Tester - TS/SCI, Lead Cloud Security

GovCIO; Washington (District of Columbia); On-site; USD 125,000 - 180,000; Full time

Job summary

GovCIO is seeking a Senior Penetration Tester with an active TS/SCI clearance to support DHS onsite in Washington, DC. The role leads advanced testing, vulnerability assessments, and threat-informed security in a TS/SCI environment.

Responsibilities include planning, guiding testing across systems and cloud resources, and mentoring staff while delivering actionable findings to leadership and stakeholders.

Qualifications

• Bachelor's degree with 12+ years of penetration testing experience.
• 8+ years of experience supporting enterprise security architectures and cloud platforms (AWS, Azure, Google Cloud).
• Proven, extensive experience as a Penetration Tester in complex or classified environments.
• Advanced knowledge of penetration testing methodologies and offensive security techniques.
• Experience with AWS, Azure, RHEL, Linux, and Tenable.
• Hands-on experience with Kali Linux, Burp Suite Pro, and Metasploit.
• Strong analytical and problem-solving skills and ability to think like an attacker.
• Clearance: Active TS/SCI.

Responsibilities

• Lead penetration testing operations for systems, networks, cloud resources, and web apps in TS/SCI environments.
• Execute comprehensive vulnerability assessments and document findings; drive remediation strategies.
• Analyze vulnerabilities and document findings like buffer overflows, SQLi, XSS, and more.
• Advise on security considerations during software acceptance activities and risk evaluation.
• Apply encryption, access control, and identity management to reduce exploitation risks.
• Provide threat intel and vulnerability research aligned with NIST 800-53 & MITRE ATT&CK.

Skills

Penetration testing

Cloud security

Stakeholder communication

Attacker mindset

Education

Bachelor's degree

Tools

Kali Linux

Burp Suite Pro

Metasploit

AWS

Azure

Tenable

RHEL

Linux

Job description

GovCIO is seeking a Senior Penetration Tester with an active TS/SCI clearance to support DHS onsite in Washington, DC. The role leads advanced testing, vulnerability assessments, and threat-informed security in a TS/SCI environment.

Responsibilities include planning, guiding testing across systems and cloud resources, and mentoring staff while delivering actionable findings to leadership and stakeholders.