Senior Penetration Tester CoStar GroupSenior Penetration TesterArlington, VirginiaCollaborate with detection engineering and incident response on purple team exercises, validating that preventative and detective controls behave as expected against realistic adversary techniques. Demonstrated experience with web application and API penetration testing, including identifying and exploiting attack chains across complex application logic, authentication, and authorization flows.
NewPenetration Tester VMD CorpPenetration TesterAlexandria, VAThis strong commitment to our employees has been recognized by our inclusion on the Washington Business Journal’s “50 Best Places to Work” list as well as being a “Great Place to Work” certified company with a 4.6 star, and a 99% CEO approval Glassdoor rating. Apply established penetration-testing methodologies and commercial or open-source offensive tools across networks, web applications, applications, and code, including support to Red and Blue Team activities.
Senior Penetration Tester Govcio LLCSenior Penetration TesterWashington, DC$124,540–$180,000 / yearFull timeThis 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. Conduct deep technical analysis of vulnerabilities including buffer overflows, SQL injection, CSRF, XSS, race conditions (TOCTOU), XXE, encryption weaknesses, authentication bypass, and similar issues.
Senior Penetration Tester CoStar Group IncSenior Penetration TesterArlington, VAIncluded in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the worlds real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. Collaborate with detection engineering and incident response on purple team exercises, validating that preventative and detective controls behave as expected against realistic adversary techniques.
Penetration Tester Booz Allen Hamilton Inc.Penetration TesterHerndon, VA$86,800–$198,000 / yearOffensive Security Certified Professional (OSCP), HTB Certified Penetration Tester Specialist (CPTS), eLearnSecurity Junior Penetration Tester (EJPT), GIAC Global Information Assurance Penetration Tester (GPEN), or GIAC Cloud Penetration Tester Certification. Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
Cyber Penetration Tester VTG.Cyber Penetration TesterHerndon, VAVTG is seeking a Cyber Penetration Tester with experience performing penetration testing, network security analysis, and security architecture assessments. The ideal candidate will have a strong background in identifying vulnerabilities, evaluating enterprise systems, and developing risk mitigation strategies across Windows, Linux, and virtual environments.
Application Penetration Tester Booz Allen Hamilton IncApplication Penetration TesterChantilly, VA$62,000–$141,000 / yearOnsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Apply security testing and penetration testing techniques and mindset to a wide range of projects, become part of a team of security enthusiasts that perform cutting-edge research, and promote an environment of innovation and knowledge sharing.
Senior Penetration Tester JPMorgan Chase & CoSenior Penetration TesterMcLean, VAJPMorganChase, one of the oldest financial institutions, offers innovative financial solutions to millions of consumers, small businesses and many of the world's most prominent corporate, institutional and government clients under the J.P. Our history spans over 200 years and today we are a leader in investment banking, consumer and small business banking, commercial banking, financial transaction processing and asset management.
Government and Public Sector - Cybersecurity - Penetration Tester - Senior Consultant Ernst & Young Global LtdGovernment and Public Sector - Cybersecurity - Penetration Tester - Senior ConsultantMcLean, VA$104,800–$192,200 / yearIf you have a disability and either need assistance applying online or need to request an accommodation during any part of the application process, please call 1-800-EY-HELP3, select Option 2 for candidate related inquiries, then select Option 1 for candidate queries and finally select Option 2 for candidates with an inquiry which will route you to EY's Talent Shared Services Team (TSS) or email the TSS at ssc.customersupport@ey.com. 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, Local and Education clients implement new ideas to help achieve their mission outcomes.
Jr Cyber Penetration Tester / Secret Peraton IncJr Cyber Penetration Tester / SecretArlington, VA$66,000–$106,000 / yearThis Federal Strategic Cyber program encompasses technical, engineering, data analytics, cyber security, management, operational, logistical and administrative support to aid and advise the Cyber & Technology Security (CTS) Directorate. Either possess or obtain prior to start date ONE of the following certifications: CCNA Cyber Ops, CCNA-Security, CEH, CFR, Cloud+, CySA+, GCIA, GCIH, GICSP, or SCYBER.
Jr Cyber Penetration Tester Peraton IncJr Cyber Penetration TesterArlington, VA$66,000–$106,000 / yearThis Federal Strategic Cyber program encompasses technical, engineering, data analytics, cyber security, management, operational, logistical and administrative support to aid and advise the Cyber & Technology Security (CTS) Directorate. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies.
Red Team Operator/ Cloud Penetration Tester Cyber Defense TechnologiesRed Team Operator/ Cloud Penetration TesterChantilly, VirginiaAssist full project lifecycle scoping, planning, execution, monitoring, and closing activities to include: scoping engagements, preparing documentation, building/enhancing operational infrastructure, testing and validating capabilities, leading assessments from kick-off through remediation, and completing after-action reports/lessons learned. The ideal candidate possesses a deep understanding for information security, computer network operations, and cloud infrastructure, particularly with major cloud service providers including Amazon Web Services (AWS), IBM, Google Cloud, Microsoft Azure and Oracle Cloud.
Penetration Tester LV8D SolutionsPenetration TesterChantilly, VAPen Tester, Level 3 (Senior) Functional Description: In addition to achieved duties described in Level 2, the Pen Tester is responsible for designing and leading complex penetration tests, develops customized tools and methodologies; providing expert guidance on security best practices; identifying complex vulnerabilities, providing strategic security advice, and leading remediation efforts; collaborating with management to develop security policies, training other cybersecurity professionals, and staying abreast of emerging threats. Pen Tester, Level 2 (Intermediate) Functional Description: In addition to achieved duties described in Level 1, the Pen Tester is responsible for conducting more complex penetration tests, exploring more complex vulnerability analysis including misconfigurations and zero-day exploits, and developing more sophisticated exploitation techniques.
Senior Penetration Tester Cyber Defense TechnologiesSenior Penetration TesterChantilly, VirginiaAssociate’s degree and 9 years of relevant work experience, Bachelor's Degree and 7 years of relevant work experience, Master’s degree and 5 year of relevant work experience. Conducting more complex penetration tests, exploring more complex vulnerability analysis including misconfigurations and zero-day exploits, and developing more sophisticated exploitation techniques.
SME Penetration Tester Cyber Defense TechnologiesSME Penetration TesterChantilly, VirginiaConducting more complex penetration tests, exploring more complex vulnerability analysis including misconfigurations and zero-day exploits, and developing more sophisticated exploitation techniques. At CDT, we offer a collaborative and inclusive work environment where your expertise in Penetration Testing will help shape the future of cybersecurity and engineering solutions.
NewPenetration Tester ConnsciPenetration TesterGaithersburg, MDFull timeAt least 5 years of experience in penetration testing to include web application testing and API testingAt least 2 years of experience years supporting audit, compliance, or oversight functions to include preparing audit-ready documentation, evidence, and reports for executive leadershipAt least 2 years of experience with NIST Cybersecurity Framework to include NIST 800-53At least one cyber security certification such as: CISSP, CISA, CISM, CCE, CFCE, GCFE, or CEHPreferred Qualifications:Master's degree in Cybersecurity, Information Technology, Computer Science7+ years of experience in penetration testing3+ years of experience with cloud technologies and Cloud Security Posture Management About ConnsciAt Connsci, our mission is to be a trusted strategic partner for our clients, helping them achieve impactful results by addressing mission-critical issues that affect their bottom line. By joining Connsci, you'll become part of a dedicated team that is committed to delivering strategic, impactful solutions tailored to our clients' unique needs, enabling them to achieve their goals with confidence and efficiency.
Enterprise Cybersecurity Penetration Tester Booz Allen Hamilton IncEnterprise Cybersecurity Penetration TesterMcLean, VA$86,800–$198,000 / yeararrow-right Missions arrow-right Civil Government arrow-right Commercial arrow-right Cyber Fusion Centers arrow-right Cybersecurity Strategy arrow-right Incident Response arrow-right Defense arrow-right Energy Resources & Utilities arrow-right Health arrow-right Homeland Security & Law Enforcement arrow-right Intelligence arrow-right International arrow-right Asia Pacific arrow-right Europe arrow-right Space arrow-right Transportation. arrow-right Careers arrow-right Search Jobs arrow-right Teams & Missions arrow-right Life at Booz Allen arrow-right Benefits Flexibility Professional Development arrow-right Locations arrow-right Recruiting & Networking Events arrow-right Military Talent arrow-right University Talent arrow-right Candidate Resources arrow-right Returning Applicants.
NewPenetration Tester Xcelerate Solutions LLCPenetration TesterAlexandria, VAThis strong commitment to our employees has been recognized by our inclusion on the Washington Business Journal's "50 Best Places to Work" list as well as being a "Great Place to Work" certified company with a 4.6 star, and a 99% CEO approval Glassdoor rating. Apply established penetration-testing methodologies and commercial or open-source offensive tools across networks, web applications, applications, and code, including support to Red and Blue Team activities.
NewXcelerate Solutions Careers - Penetration Tester Xcelerate SolutionsXcelerate Solutions Careers - Penetration TesterAlexandria, VAThis strong commitment to our employees has been recognized by our inclusion on the Washington Business Journal's "50 Best Places to Work" list as well as being a "Great Place to Work" certified company with a 4.6 star, and a 99% CEO approval Glassdoor rating. Apply established penetration-testing methodologies and commercial or open-source offensive tools across networks, web applications, applications, and code, including support to Red and Blue Team activities.
Intermediate Penetration Tester Cyber Defense TechnologiesIntermediate Penetration TesterChantilly, VirginiaAssociate’s degree and 4 years of relevant work experience, Bachelor's Degree and 3years of relevant work experience, Master’s degree and 2 year of relevant work experience. Conducting more complex penetration tests, exploring more complex vulnerability analysis including misconfigurations and zero-day exploits, and developing more sophisticated exploitation techniques.