
Govcio LLC
Washington, District of Columbia • Today
Full-time
Compensation information provided in the description
54 results (2 new)

Govcio LLC
Washington, District of Columbia • Today
Full-time
Compensation information provided in the description








Volitiion IIT Inc
Hybrid in Alexandria, Virginia • 13d ago
Easy Apply
Contract, Third Party
Depends on Experience






TekLeaders, Inc
Remote or Cincinnati, Ohio • Today
Easy Apply
Full-time, Part-time, Third Party, Contract



GovCIO is currently hiring for a Senior Pentration Tester with an active TS/SCI clearance to support DHS onsite in Washington, DC.
Responsibilities:The Senior Penetration Tester serves as Key Personnel responsible for leading advanced penetration testing and vulnerability assessment activities within a TS/SCI environment. This role ensures mission?critical security assurance across enterprise systems, applications, and cloud infrastructures by applying deep technical expertise, zero?trust principles, and attacker?focused methodologies. The Senior Penetration Tester guides technical direction, ensures rigorous execution, and provides authoritative recommendations to strengthen security posture across sensitive environments.
Lead, plan, and oversee penetration testing operations for systems, networks, cloud resources, and web?based applications in a TS/SCI environment
Execute comprehensive vulnerability assessments and software assurance evaluations; authoritatively document findings and drive remediation strategies
Conduct deep technical analysis of vulnerabilities including buffer overflows, SQL injection, CSRF, XSS, race conditions (TOCTOU), XXE, encryption weaknesses, authentication bypass, and similar issues
Assess and advise on security considerations during software acceptance activities, including criteria definition, risk acceptance evaluation, documentation review, and independent validation approaches
Apply advanced security defense functions (encryption, access control, identity management) to reduce exploitation risks, including those related to supply chain considerations
Provide threat intelligence insights and vulnerability research aligned with frameworks such as NIST 800?53 and MITRE ATT&CK to inform cloud security architecture decisions
Develop new or enhanced penetration testing methodologies to identify emerging vulnerabilities and expand organizational capability
Serve as a senior technical advisor and mentor to penetration testing staff; ensure consistency, quality, and rigor in testing execution
Represent the penetration testing function in discussions with leadership, engineering teams, and mission stakeholders as required for Key Personnel roles
Minimum of 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, offensive security techniques, and industry tools
Experience with AWS, Azure, RHEL, Linux, and Tenable
Hands-on experience with tools including Kali Linux, Burp Suite Pro, and Metasploit
Strong analytical and problem?solving skills with an ability to think like an attacker
Excellent communication skills to deliver clear, actionable findings to both technical and executive stakeholders
Preferred certifications: CEH, OSCP, or equivalent offensive security certifications
📋 Comparing job requirements...
Arlington, Virginia
•
Today
Location: Arlington, VA Clearance Required: Active TS/SCI Clearance (U.S. Citizen) Employment Type: Full-Time (W-2 or 1099) About Praescient Analytics: Praescient Analytics is a mission-focused technology and analytics company dedicated to delivering innovative solutions that empower decision-makers across the defense, intelligence, and law enforcement communities. We integrate cutting-edge technologies, data-driven methodologies, and technical expertise to address complex operational challenge
Full-time
Washington, District of Columbia
•
Today
Senior Penetration Testing Engineer Concurrent Technologies Corporation On-Site Washington, DC (Metro Area) Minimum Clearance Required: Active TS/SCI with FRD/RD/NATO eligibility or access required Clearance Level Must Be Able to Maintain: TS/SCI with FRD/RD/NATO eligibility or access required This position is contingent upon contract award. Any offer of employment is dependent upon CTC's successful contract award and funding authorization. Candidates may be contacted for interviews and pre-
Full-time
USD 150,000.00 - 170,000.00 per year
Attainx
Silver Spring, Maryland
•
Today
Job Title: IT Security Specialist - Penetration Tester Location: Hybrid (Reside within a commutable distance of Silver Spring, MD to work onsite as required) Citizenship: Security Clearance: Moderate Public Trust AttainX, Inc. is in search of a highly energetic Penetration Tester to join our team on a cyber security program supporting our US federal government client. Are you a seasoned penetration tester with a passion for uncovering vulnerabilities and securing complex systems? We're lookin
Full-time
USD 125,000.00 - 150,000.00 per year
McLean, Virginia
•
Today
At EY, we're all in to shape your future with confidence. We'll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help to build a better working world. Government and Public Sector - Cybersecurity - Penetration Tester - Senior Consultant From strategy to execution, the Government & Public Sector practice ("GPS") of Ernst & Young provides a full range of consulting and audit services to help our Federal, State, Loca
Full-time
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