1 to 25 of 54 Penetration Tester Jobs

Penetration Tester Location: Fort Belvoir Work Type: Onsite Remote Work: No Job Description Are you looking for an opportunity to use your technical expertise and grow your skills to provide technical solutions in support of our warfighters? We're looking for a Red Team Penetration Tester to help test, configure, and maintain military critical operating systems. As a Red Team Penetration Tester on our project, you'll work with other technical experts to help our customer overcome tough challenges and help improve the readiness of military units to perform their roles. Your communication … degree and 3+ years of experience in Information Technology Linux Computing Environment (CE) Certification Windows CE Certification Offensive Security Certified Professional (OSCP) or GIAC Penetration Tester (GPEN) Certification DoD Approved 8570 Information Assurance Technician (IAT) Level III Certification, including CASP+ CE, CCNP Security, CISA, CISSP, GCED, GCIH, or More ❯

owned, small-business headquarter in Fulton, MD just outside of Baltimore and Washington D.C. About the role Strategic Analytix is looking for a skilled Penetration Tester who will serve as the Subject Matter expert providing testing expertise of the Risk Management Framework. The Penetration Tester will … the testing phase of security controls assessments using specialized knowledge of network protocols, operating systems, architectures, equipment, services, and standards. What you'll do Penetration Tester Requirements Perform vulnerability and penetration testing using a wide variety of tools. Research and evaluate emerging technologies relevant to information systems … Level TS/SCI level clearance with a Full Scope Polygraph. Skill Level 3: Experience: Eight (8) experience of related work experience as a Penetration Tester performing both network and application-level testing using established test protocols and methods. Education: A Bachelor's degree in Computer Science or More ❯

an exciting Cyber Security Consultancy looking to further establish themselves within the Offensive Security world and as such looking to bring in a Senior Penetration Tester to spearhead the team through CHECK accreditation. This is a truly rare opportunity to be a part of an ambitious organisation making … out a dedicated Red Team function. Salary: £80,000 (potentially negotiable) Location: Remote + National Client Site Travel Essential : CHECK Team Leader – Inf Senior Penetration Tester – Responsibilities: Act as the Infrastructure testing SME, owning the service line and navigate through accreditation. Lead and oversee a range of penetration … team members through mentorship, shadowing and knowledge-sharing initiatives. Working on client site occasionally to deliver Internal Infrastructure, Wifi and Physical Testing engagements Senior Penetration Tester – Requirements: Demonstrable experience leading penetration testing engagements within a CHECK environment, must be holding CHECK Team Leader Inf status. Proficiency in More ❯

Job Description Penetration Tester Position Description CGI Cyber Security Team in the UK is one of the largest Cyber consultancies in the UK with around 300 members. The UK Cyber team works across a variety of domains including: Government, Defence, Critical Infrastructure, Healthcare, Utilities, Banking and Financial Services … Assessments, Vulnerability Management, Accreditations (ISO27001, GDPR), GRC (Governance, Risk, Compliance), Security Architecture Design and Build (technical and Non-technical), Incident Response, Protective Monitoring Services, Penetration Testing and much more. We take clients through a journey to improve their overall security posture and maturity to ensure they feel reassured in … available if you hold or fulfil the criteria to obtain a UK Security Clearance. Your future duties and responsibilities An opportunity for an experienced penetration tester has become available due to growth, joining the CGI Cyber Security business unit, one of the largest groups of cyber security specialists More ❯

Principal Penetration Tester Altus Consulting seeks a seasoned cybersecurity professional to spearhead our penetration testing initiatives. As a key member of our elite team, you'll play a crucial role in safeguarding some of the world's most critical digital infrastructure. Core Responsibilities: Design and execute sophisticated … penetration tests across complex networks, systems, and applications Craft compelling, actionable reports that translate technical findings into clear business impact Collaborate closely with clients to develop tailored remediation strategies that drive meaningful security improvements Push the boundaries of penetration testing innovation through research and development of novel TTPs … Contribute to Altus Consulting's thought leadership efforts via publications, presentations, and industry forums Lead quality assurance initiatives for our suite of penetration testing services Engage in cross-functional collaboration to enhance our overall security offerings Ideal Candidate Profile: We are seeking candidates with a degree in Computer Science More ❯

Penetration Tester Position Description CGI Cyber Security Team in the UK is one of the largest Cyber consultancies in the UK with around 300 members. The UK Cyber team works across a variety of domains including: Government, Defence, Critical Infrastructure, Healthcare, Utilities, Banking and Financial Services and Many … Assessments, Vulnerability Management, Accreditations (ISO27001, GDPR), GRC (Governance, Risk, Compliance), Security Architecture Design and Build (technical and Non-technical), Incident Response, Protective Monitoring Services, Penetration Testing and much more. We take clients through a journey to improve their overall security posture and maturity to ensure they feel reassured in … available if you hold or fulfil the criteria to obtain a UK Security Clearance. Your future duties and responsibilities An opportunity for an experienced penetration testers has become available due to growth, joining the CGI Cyber Security business unit, one of the largest groups of cyber security specialists in More ❯

Penetration Tester Position Description CGI Cyber Security Team in the UK is one of the largest Cyber consultancies in the UK with around 300 members. The UK Cyber team works across a variety of domains including: Government, Defence, Critical Infrastructure, Healthcare, Utilities, Banking and Financial Services and Many … Assessments, Vulnerability Management, Accreditations (ISO27001, GDPR), GRC (Governance, Risk, Compliance), Security Architecture Design and Build (technical and Non-technical), Incident Response, Protective Monitoring Services, Penetration Testing and much more. We take clients through a journey to improve their overall security posture and maturity to ensure they feel reassured in … available if you hold or fulfil the criteria to obtain a UK Security Clearance. Your future duties and responsibilities An opportunity for an experienced penetration testers has become available due to growth, joining the CGI Cyber Security business unit, one of the largest groups of cyber security specialists in More ❯

R- Description Penetration Tester Are you looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything … we do business. If this sounds like the kind of environment where you can thrive, keep reading! Leidos National Security Sector is seeking a Penetration Tester to support an enterprise IT program. We are looking for a cyber security professional to conduct penetration testing and ethical hacking … to target, assess, and exploit risk and vulnerabilities of information systems. Hands-on penetration experience is essential for this role. Are you ready to make an impact? Begin your journey of a flourishing and meaningful career, share your resume with us today! Our client's team provides a highly More ❯

through developing data driven solutions, FTI would appreciate the opportunity to learn more about you. We have an exciting technical opportunity for an Assoc. Penetration Tester for the Operational Test & Evaluation (OT&E) of the Department of the Navy's Commander, Operational Test and Evaluation Force in Norfolk … VA. In this role you will provide support for conducting penetration testing on applications, systems, and networks in support of national security. This is a rare opportunity to join a truly elite team of Penetration Testers. Responsibilities Capable of conducting penetration tests on applications, systems, and network … vectors. Work with the Cyber Test Engineers and SMEs to generate specific test objectives for incorporation into the overall test plan. Conduct cooperative vulnerability penetration assessments and adversarial assessments in accordance with DoD guidance. Attend site visits and conduct manual examination of system and network configurations, system logs, and More ❯

I'm hiring a Penetration Tester on behalf of a cyber security firm who thrive on uncovering the unknown, breaking barriers, and staying five steps ahead of tomorrow's threats. Their Penetration Testers are more than ethical hackers-they're digital explorers with a license to legally … web and cloud-based applications. Collaborating closely with digital product teams to recommend and implement effective security measures. Independently planning, executing, and reporting on penetration tests and security audits. Performing in-depth source code reviews to uncover potential security flaws. Supporting incident response efforts and contributing to ongoing cybersecurity … Essential: Relevant degree e.g. Computer Science, Cyber Security Several years professional experience in an offensive security role. Experience performing two or more types of penetration test such as web application, infrastructure, cloud etc Experience working with tools such as Kali Linux, BurpSuite and Bloodhound. Minimum C1 German and fluent More ❯

Job Title: Penetration Tester Location(s): Annapolis Junction, MD Hours: Regular Full-Time Salary Range: $110k/yr - $175k/yr Clearance Requirements: This position requires a current and active TS/SCI with FS Poly at the time of application. What you will be doing: Serve as … 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 … and application-level testing using established testing protocols and methods Position Requirements Minimum Requirements: Experience: Eight (8) experience of related work experience as a Penetration Tester performing both network and application-level testing using established test protocols and methods. Education: A Bachelor's degree in Computer Science or More ❯

Darkshield is an expert cybersecurity agency based in York, UK. We help organisations navigate an increasingly complex digital landscape by providing expert services in penetration testing, vulnerability assessment, managed security, and more. Our mission is to protect businesses by delivering tailored, cutting-edge cybersecurity solutions that keep them resilient … and ahead of cyber threats. The Role We are looking for an experienced Penetration Tester to join our team. You will conduct security assessments and ethical hacking activities to identify vulnerabilities in client systems. This role requires a deep understanding of attack techniques, security frameworks, and risk mitigation … strategies. Key Responsibilities Conduct penetration testing on networks, applications, and infrastructure. Identify, analyse, and report security vulnerabilities. Simulate cyberattacks to evaluate security defences. Develop security testing methodologies and improve existing processes. Collaborate with clients to provide security recommendations and mitigation strategies. Stay up to date with the latest security More ❯

expertise are crucial to the success and execution of this impactful mission that is critical in ensuring mission success through Security Engineering, Vulnerability Testing, Penetration Testing, Risk Management and Assessment, Insider Threat Analysis, and IT Policies and Procedures by improving, protecting, and defending our Nation's Security. Job Description … in the testing phase of security controls assessments using specialized knowledge of network protocols, operating systems, architectures, equipment, services, and standards. The Level 3 Penetration Tester shall possess the following capabilities: Perform vulnerability and penetration testing using a wide variety of tools Research and evaluate emerging technologies … regulations Perform both network and application-level testing using established testing protocols and methods Qualifications: 8 years experience of related work experience as a Penetration Tester performing both network and application-level testing using established test protocols and methods Bachelor's degree in Computer Science or a related More ❯

Title Secure Software Assessor/Penetration Tester - Intermediate Full-Time/Part-Time Full-Time Description RiVidium Inc (dba, TripleCyber) is seeking a Secure Software Assessor/Penetration Tester who analyzes the security of new or existing computer applications, software, or specialized utility programs and provides … requirements into application design elements including documenting the elements of the software attack surfaces, conducting threat modeling, and defining any specific security criteria. Perform penetration testing as required for new or updated applications. Consult with customers about software system design and maintenance.ABILITIES: Ability to use and understand complex mathematical … Information Systems, or Computer Engineering degree; or a degree in a Mathematics or Engineering field. Certification(s): IAT or IAM Level 2 and Two Penetration Testing Certification (e.g. GPEN, GWAT, GCIH, CEH, GPYC, LPT,CPT) About the Organization Established in 2008, RiVidium, Inc. (dba TripleCyber) is a VA-Verified More ❯

Penetration Testers (Junior – Mid-Level) – Up to £60,000 – Fully Remote Are you looking to take your penetration testing career to the next level? We’re working with a leading UK-based cyber security consultancy that’s looking to grow its team with a passionate and technically skilled … Penetration Tester at junior to mid level. This is a fully remote position, offering the opportunity to work on a wide variety of challenging projects across multiple industries – from financial services to government and critical national infrastructure. What you’ll be doing: Conducting vulnerability assessments and penetration … postures Staying up to date with the latest exploits, vulnerabilities, and testing methodologies What we’re looking for: 1–3+ years of experience in penetration testing or red teaming Strong understanding of offensive security tools, techniques, and methodologies (e.g. OWASP, MITRE ATT&CK, NIST) Experience in a consultancy environment More ❯

Title Network Operations Specialist/Penetration Tester- Intermediate Full-Time/Part-Time Full-Time Description RiVidium Inc (dba, TripleCyber) is seeking a Network Operations Specialist/Penetration Tester who plans, implements, and operates network services/systems, to include hardware and virtual environments. TASKS: Configure … Information Systems, or Computer Engineering degree; or a degree in a Mathematics or Engineering field. Certification(s): Certification requirements: IAT Level 2 and Two Penetration Testing Certifications (e.g. GPEN, GWAT, GCIH, CEH, GPYC, LPT, CPT) About the Organization Established in 2008, RiVidium, Inc. (dba TripleCyber) is a VA-Verified More ❯

encourage you to apply. Overview Are you ready to take your cybersecurity skills to the next level? We're seeking a dynamic Mid-Level Penetration Tester to join our growing team within a large organisation. This is a client-facing, fully remote role with exciting travel opportunities for … offices in the UK will be a requirement. How you'll make an impact Conduct external, internal, web application, WiFi, cloud, and red team penetration tests. Engage in OSINT, phishing campaigns, Cyber Essentials audits, and governance projects. Provide cyber awareness training and network hardening consultations for clients. About you … Experience as a Penetration tester with proven expertise in web application testing, internal blackbox testing, cloud, and WiFi assessments. Previous experience in an IT (Helpdesk/IT Support) with a solid understanding of networking, Windows Active Directory, and Windows/Linux systems. Knowledge of OWASP vulnerabilities and experience More ❯

means a career packed with opportunities to grow and the ability to have an impact on every client you work with. ARSIEM seeks a Penetration Tester 3 . This position will support one of our government clients in Annapolis Junction, MD. Responsibilities Serve as a Subject Matter Expert … using specialized knowledge of network protocols, operating systems, architectures, equipment, services, and standards. Minimum Qualifications Eight (8) experience of related work experience as a Penetration Tester performing network and application-level testing using established test protocols and methods. A bachelor's degree in Computer Science or Information Technology … Engineering. Four (4) additional years of Penetration Testing experience may be substituted for a bachelor's degree. Required Certifications (one or more): CASP+ CE, CCNP Security, CISA, CISSP (or Associate), GCED, GCIH, CCSP Required Capabilities Perform vulnerability and penetration testing using a wide variety of tools Research and More ❯

family Technological communities Lots of amazing events Capitole Consulting keeps growing and we want to do it with you! Are you a passionate PEN TESTER ? We have an exciting opportunity to lead and empower a multicultural team. Experience Required ( 2 or + years ): Practical experience in an offensive environment … as a penetration tester in one or more of the following areas: Web applications/web services, iOS/Android apps . Other desirable skills : Experience as a penetration tester in Network infrastructures, rich clients, embedded devices or Linux based systems. Description of role and responsibilities … Perform penetration tests of applications (backend, web, mobile) Create meaningful reports on the identified vulnerabilities and advise developers on remediation. Acquire knowledge about Advanced Threat Actors and their tactics, techniques and procedures (TTPs) and assess them in terms of risk, processes and people. Assess the IT environment of our More ❯

based decisions to improve overall security posture. What You'll Do Working independently and collaboratively with a team to both lead and support Perform penetration testing on applications with complex technology stacks from both a: Blackbox perspective & Whitebox perspective Dynamically flex your skills when assessing emerging or custom technologies … management, sales and other delivery team members to drive customer satisfaction and meet project deliverables Travel up to 10% What You'll Bring Application penetration testing and assessment tradecraft and methodologies (including browser-based, API) Strong working knowledge of at least two programming or scripting languages Strong understanding of … a consulting/professional services role Minimum of 5 years' experience in Application Security and/or Software Development Expert proficiency in Web Application Penetration Testing Excellent overall technical skills, with strong expertise in at least one of the following: Mobile Application Penetration Testing Thick Application Penetration More ❯

At Vertical Structure (an Instil Company), we specialise in providing human-focused security and penetration testing services for web applications, cloud infrastructure and mobile applications. The Role We are looking for a Mid/Senior Penetration Tester to join our dynamic team based in Belfast. As a … Pen Tester, you will be part of the delivery team, conducting penetration tests and vulnerability assessments across a range of technologies and a wide range of customers including software, fintech, manufacturing, engineering, legal, and public sector. Your insights will be crucial in identifying security weaknesses and helping clients … Work Scheme Day to Day Probe & exploit security vulnerabilities in client's Infrastructure/cloud, Web Applications and Mobile Applications using a variety of penetration tests. Write detailed reports outlining vulnerabilities and providing actionable recommendations. Collaborate with clients during kick-off and discovery sessions, providing expert advice. Stay current More ❯

At Vertical Structure (an Instil Company), we specialise in providing human-focused security and penetration testing services for web applications, cloud infrastructure and mobile applications. The Role We are looking for a Penetration Tester to join our dynamic team based in Belfast. As a Pen Tester, you will be part of the delivery team, conducting penetration tests and vulnerability assessments across a range of technologies and a wide range of customers including software, fintech, manufacturing, engineering, legal, and public sector. Your insights will be crucial in identifying security weaknesses and helping clients fortify their … Work Scheme Day to Day Probe & exploit security vulnerabilities in client's Infrastructure/cloud, Web Applications and Mobile Applications using a variety of penetration tests. Write detailed reports outlining vulnerabilities and providing actionable recommendations. Collaborate with clients during kick-off and discovery sessions, providing expert advice. Stay current More ❯

OVERVIEW As a Penetration Tester, you will perform formal and comprehensive penetration testing assessments, including producing full written reports to appropriate standards and within agreed deadlines. In addition, you will support with client pre-engagement activities, including scoping and proposal drafting, as well as researching new vulnerabilities … and technologies, following responsible disclosure, and sharing such findings within the team. RESPONSIBILITIES • Perform formal and comprehensive application and other penetration testing assessments where appropriate and required; • Provide well-written, concise, technical and non-technical reports in English; • Perform vulnerability/attack surface assessments and provide findings with remediation … actions; • Support with various client pre-engagement interactions, including scoping activities and proposal drafting; • Manage and deliver penetration testing project activities within strict deadlines; • Research new technologies, security topics and vulnerabilities within the wider team to identify new vulnerabilities and follow responsible disclosure; • Coach and mentor Graduate and Junior More ❯

Pentest People is a UK-based security consultancy specialising in providing Penetration Testing as a Service to all its clients. Our innovative approach to security testing merges the benefits of consultant-led penetration testing with ongoing vulnerability assurance through our advanced SecurePortal. This provides clients with a continuous … living threat management system throughout the duration of the contract, rather than a single point-in-time assessment. As a Penetration Tester specialising in Infrastructure testing or Web Apps, you will conduct thorough and formal penetration testing assessments, delivering detailed written reports that meet industry standards and … We're hiring testers of all experience levels, come grow with us! Key responsibilities include: Conduct formal and comprehensive pentests and, where necessary, other penetration testing assessments. Deliver clear, well-structured technical and non-technical reports in English. Perform vulnerability assessments and provide detailed findings along with recommended remediation More ❯

is contingent upon funding with an expected start date of December 2025 Top Secret/SCI Clearance required SRG is seeking a Red Team Penetration Tester III, you will be responsible for leading and executing complex penetration testing events and conducting offensive cybersecurity operations for the U.S. … OSCE), or Offensive Security Exploitation Expert (OSEE), or Offensive Security Wireless Professional (OSWP) certification. Experience: • Seven (7) years of full-time professional experience conducting penetration testing or offensive Cyber operations in the following areas: o Developing and utilizing penetration tools such as Metasploit, NMAP, Kali Linux, Cobalt Strike. … Network Professional (CCNP) certification CCIE (Cisco Certified Internetwork Expert) CISSP (Certified Information Systems Security Professional) Seven (7) years of full-time professional experience conducting penetration testing or offensive Cyber operations in each of the following areas: Developing and utilizing penetration tools such as Metasploit, NMAP, Kali Linux, Cobalt More ❯