Security Penetration Tester Job Vacancies

26 to 36 of 36 Security Penetration Tester Jobs

Penetration Tester (Pen Tester), Level 2 (Intermediate) with Security Clearance

Chantilly, Virginia, United States
Arcfield
and space defense, space exploration, hypersonic and nuclear deterrence and warfighter readiness. Visit for more details. Responsibilities Arcfield's Cyber programs are expanding and currently in need of Penetration Tester (Pen Tester), Level 2 (Intermediate) professionals to review and evaluate customer Information Systems (IS) and recommend changes to the Government that … include, but are not limited to the following: Conduct basic reconnaissance and vulnerability scanning using established methodologies Identify, document, and report common vulnerabilities that could be exploited Perform security-focused services to improve the security posture of customer Information Systems Execute active and passive penetration testing capabilities on customer IT assets … as per government policy and direction Document findings in detailed reports for inclusion in Security Assessment Reports (SARs) Support Risk Management Framework (RMF) Steps 4 and 6 processes Review and write Information System Accreditation Packages (ISAPs) and Technical Information System Security Requirements (TISSRs) Conduct approved testing and write reports following government-approved templates Complete More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Penetration Tester (Pen Tester), Level 1 (Junior) with Security Clearance

Chantilly, Virginia, United States
Arcfield
and space defense, space exploration, hypersonic and nuclear deterrence and warfighter readiness. Visit for more details. Responsibilities Arcfield's Cyber programs are expanding and currently in need of Penetration Tester (Pen Tester), Level 1 (Junior) professionals to review and evaluate customer Information Systems (IS) and recommend changes to the Government that … include, but are not limited to the following: Conduct basic reconnaissance and vulnerability scanning using established methodologies. Identify, document, and report common vulnerabilities that could be exploited. Perform security-focused services to improve the security posture of customer Information Systems. Execute active and passive penetration testing capabilities on customer IT assets … as per government policy and direction. Document findings in detailed reports for inclusion in Security Assessment Reports (SARs). Support Risk Management Framework (RMF) Steps 4 and 6 processes. Review and write Information System Accreditation Packages (ISAPs) and Technical Information System Security Requirements (TISSRs). Conduct approved testing and write reports following government-approved More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Penetration Tester (FORECASTED) with Security Clearance

Annapolis Junction, Maryland, United States
Columbia Technology Partners
on contract award Description: Serve as a Subject Matter Expert providing testing expertise of the Risk Management Framework. Direct and / or participate in the testing phase of security controls assessments using specialized knowledge of network protocols, operating systems, architectures, equipment, services, and standards. Perform vulnerability and penetration testing using a wide variety of … tools Research and evaluate emerging technologies relevant to information systems security; interpret agency specific and federal security regulations Perform both network and application-level testing using established testing protocols and methods Qualifications: Eight (8) experience of related work experience as a Penetration Tester performing both network and application … Bachelor's degree in Computer Science or a related field (e.g. General Engineering, Computer Engineering, Electrical Engineering, Systems Engineering, Mathematics, Computer Forensics, Cybersecurity, Information Technology, Information Assurance, Information Security, and Information Systems). In lieu of a Bachelor's degree, four (4) additional years of Penetration Testing experience maybe substituted. Requirements: U.S. Citizenship is More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Penetration Tester (U.S. Citizens Only/Security Clearance Requir with Security Clearance

Chantilly, Virginia, United States
Hybrid / WFH Options
Task Force Talent LLC
Task Force Talent is seeking a Penetration Tester with an active TS / SCI FSP security clearance. Target salary range is 100k - 210k, depending on experience level. Our client for this role is a small company with very unique experience and expertise in cybersecurity and related areas. Candidates should have a … about networks, forensics, software engineering, or similar areas. This is uniquely rewarding, high-impact work that cannot be done elsewhere. _ NOTE: If you do not have an active security clearance, please apply here instead: _ Qualifications U.S. citizen with active TS / SCI FSP security clearance. (Sorry, we are unable to sponsor or upgrade clearance … s for this role.) Experience with: Grey and black box penetration testing and system exploitation against desktops, servers, applications, operating systems, and security systems to gain root and administrator access Performing reconnaissance, privilege escalation persistence, lateral movement, and payload generation against information systems Analyzing vulnerabilities, identifying network risks, and providing mitigation recommendations If you More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Penetration Tester - Level III (AI) with Security Clearance

Washington, Washington DC, United States
Core4ce
As a Penetration Tester - Level III , you will serve as a key technical leader on our cybersecurity team, directly contributing to the protection of networks and sensitive data for a diverse range of customers, including both commercial enterprises and government entities. You will lead security engagements, mentor junior staff, and play … a central role in developing innovative capabilities- most notably, AI-driven penetration testing tools that enhance our ability to emulate sophisticated adversaries. This position offers a dynamic, collaborative environment that values innovation, technical excellence, and professional growth. You will work with a forward-leaning team that embraces cutting-edge technologies and constantly seeks ways to improve security outcomes. Duties and Responsibilities: Operating with minimal supervision in support of t he Department of Defense ( DoD ), your responsibilities include: Lead Penetration Testing Engagements - Serve as the technical lead during internal and external security assessments, simulating real-world attack techniques to identify vulnerabilities and evaluate defenses. Vulnerability Analysis and Exploitation - Perform More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Penetration Tester - Level II (AI) with Security Clearance

Washington, Washington DC, United States
Core4ce
As a Penetration Tester - Level II, you will contribute directly to the security posture of both government and commercial clients by identifying vulnerabilities, simulating real-world cyberattacks, and supporting the development of AI-based tools that enhance our testing capabilities. You'll work alongside senior assessors and cybersecurity engineers to conduct … continuous learning are strongly encouraged. Duties and Responsibilities: Working under the guidance of senior team members and in support of the Department of Defense ( DoD ), you will: Conduct Penetration Tests - Perform internal and external penetration testing across networks, applications, and systems to uncover exploitable weaknesses. Exploit Development - Participate in vulnerability research and help develop … sites. Support AI Tool Development - Contribute to the design and testing of AI-enhanced tools for reconnaissance, vulnerability discovery, and exploitation. Assist in integrating machine learning techniques into penetration testing workflows. Qualifications: Active Top Secret Clearance Bachelor's degree in a relevant field or equivalent experience. 3-7 years of hands-on experience in cybersecurity, with at More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Penetration Tester / Threat Emulator with Security Clearance

Washington, Washington DC, United States
Agile Defense, Inc
of advanced technologies, elite minds, and unparalleled agility-leveraging a foundation of speed, flexibility, and ingenuity to strengthen and protect our nation's vital interests. Requisition #: 1141 Penetration Tester / Threat Emulator National Capital Region Required Certification(s): • One or more certifications: GCIA, GCED, GCFE, GCTI, GNFA, GCIH, CND, ECSA, OSCP, OSEE, OSCE … GCFA, GREM, CHFI • Offensive Security Certified Professional - OSCP (optional but preferred), Certified Ethical Hacker - CEH (optional); SUMMARY This program supports a federal government organization's "purple team" ops, providing comprehensive Computer Network Defense and Offense, Incident Response, and Threat Emulation support through monitoring, analysis, and replication of potential threat activity targeting the enterprise. The Threat Emulation SME … will perform activities related to assisting cyber security operations team members to advance organizational understanding over risks and potential exposures related to software, system, and network weaknesses using advanced security / pen testing and auditing methods. Advanced Cyber Threat Emulation members also engage with senior leadership to identify, report, and perform real-world threat More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Penetration Tester - Level III (SD) with Security Clearance

Washington, Washington DC, United States
Core4ce
As a Penetration Tester - Level III, you will serve as a key te c hni c al leader on our c yberse c urity team, dire c tly c ontributing to the prote c tion of networks and sensitive data for a diverse range of c ustomers, in c luding both c ommer c … software development and se c urity automation. Duties and Responsibilities: Operating with minimal supervision in support of the Department of Defense (DoD), your responsibilities in c lude: Lead Penetration Testing Engagements - Serve as the te c hni c al lead during internal and external se c urity assessments, simulating real-world atta c k te c hniques … c ti c al se c urity improvements. Travel - May require o c c asional travel to c lient sites. Software Development & Automation - Design, develop, and integrate custom penetration testing scripts, tools, and automation frameworks using programming languages such as Python, Ruby, and C / C++ . Collaborate with team members to build effective, reusable testing utilities More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Penetration Tester with Security Clearance

Maryland, United States
Cyber Bat Inc
Penetration testers shall be responsible for identifying network vulnerabilities in target systems and recommending defensive measures to defend against possible attack by an adversary. Qualifications Shall have a minimum of nine (9) years of penetration testing experience; or a Bachelor of Science degree in Computer Science, Electrical Engineering, Computer Engineering, Physics or similar technical … major and five (5) years penetration testing experience; or a Master's degree in Computer Science, Electrical Engineering, Computer Engineering, Physics or similar technical major with an emphasis on penetration testing and two (2) years of penetration testing experience. In addition, the individual shall have demonstrated ability and / or experience … in the following areas: • Tester using tools such as nmap, nessus, dsniff, libnet, netcat, and network sniffers and fuzzers. • Exploit identified vulnerabilities. • Develop methods to defend against identified vulnerabilities and exploits. More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Computer Exploitation Test Engineer (Penetration Tester) with Security Clearance

Alexandria, Virginia, United States
Praescient Analytics
advanced technologies and their potential impact on U.S. forces worldwide. Provides risk assessments on the transfer and diversion of defense and dual-use U.S. technologies and assesses national security implications associated with foreign involvement in critical U.S. defense technology and defense sectors. Produces intelligence for the U.S. National, Defense and Acquisition Communities. Conducts all-source analysis to … innovative and adaptive approach makes us a trusted partner in delivering data-driven insights and technological excellence for critical missions. Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information. US Citizenship Required Interested Candidates: Please forward your resume to and please visit our website to apply More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Pen Tester/ Cloud Engineer with Security Clearance

Rome, New York, United States
Anonymous Employer
Pen Tester / Cloud Security Engineer Basic Qualifications for a Cloud Security Engineer: • One of the following: o A high school diploma or equivalent with 6 years of relevant experience o A bachelor's degree with a minimum of 2 years of relevant experience o A master's degree with … with Linux command line interface (CLI), including scripting in Bash, Python, PowerShell and automating tasks • Technical knowledge of infrastructure components, including network, storage, Linux / Windows, and IT security concepts • Working knowledge and / or familiarity with Cloud-based technologies (AWS Platform, Azure Platform, Google Cloud) • Experience with NIST Risk Management Framework or other similar control framework … Knowledge of vulnerability assessment tools including Nessus, Wireshark, Kali Linux, Nmap, Metasploit, and Lin / WinPEAS • Experience with penetration testing, adversarial emulation, or red teaming 2) Cloud Engineer A candidate must meet ALL of the below criteria. The candidate must: • Have one of the following o A high school diploma with 9 years of relevant experience o More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:
Security Penetration Tester
Median
£70,000