Fort Belvoir, Virginia, United States Hybrid / WFH Options
Gridiron IT Solutions
PenetrationTester 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 PenetrationTester to help test, configure, and maintain military critical operating systems. As a Red Team PenetrationTester 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 PenetrationTester (GPEN) Certification DoD Approved 8570 Information Assurance Technician (IAT) Level III Certification, including CASP+ CE, CCNP Security, CISA, CISSP, GCED, GCIH, or More ❯
Freelance PenetrationTester Ethical Hacker Red Team VAPT 12 Months Contract Hybrid Working Belgium We are seeking an experienced Software PenetrationTester to join a 12 month mission-critical programme with an organisation based in Belgium. You will need to be on site 3 days a … but not essential If you're interested and available please send through an updated CV and I will reach out to you ASAP. Freelance PenetrationTester Ethical Hacker Red Team VAPT 12 Months Contract Hybrid Working Belgium More ❯
Job Description PenetrationTester 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 penetrationtester has become available due to growth, joining the CGI Cyber Security business unit, one of the largest groups of cyber security specialists More ❯
Principal PenetrationTester – Remote (UK) | Up to £90,000 We’re hiring for an experienced Principal PenetrationTester to join a fast-growing cybersecurity consultancy working across over 30 countries. This is a remote-first role with optional access to an office in Leeds. This is … a hands-on, client-facing opportunity suited to someone who enjoys working across the full spectrum of penetration testing and red teaming, while also contributing to client relationships and leading high-level engagements. You'll be involved in scoping and delivering advanced red team assessments, mentoring more junior team … supporting innovation through offensive security research. A GitHub portfolio of scripts or tools is required at interview stage. The essentials: Minimum 7 years of penetration testing experience, with at least 4 years in red teaming Strong hands-on background across a range of testing disciplines, including networks, infrastructure, applications More ❯
PenetrationTester 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 ❯
Colorado Springs, Colorado, United States Hybrid / WFH Options
Dark Wolf Solutions
Dark Wolf Solutions is actively seeking an experienced Cloud PenetrationTester to join our innovative team. This individual will play a critical role in assessing and enhancing the security of various products, including hardware, software, and embedded systems. This role demands a deep understanding of penetration testing … methodologies and advanced exploit development, focusing on identifying and mitigating vulnerabilities across a wide range of technologies. As a Senior Product and Hardware Security PenetrationTester, you will have the chance to work on cutting-edge technologies and contribute to the enhancement of security across a wide range … of products. If you possess a strong background in penetration testing and a passion for cybersecurity, we encourage you to apply for this pivotal role. This position is set to be supported in a hybrid work environment out of Colorado Springs, CO. Key responsibilities include, but are not limited More ❯
Colorado Springs, Colorado, United States Hybrid / WFH Options
Dark Wolf Solutions
Dark Wolf Solutions is actively seeking an experienced Product and Hardware Security PenetrationTester to join our innovative team. This individual will play a critical role in assessing and enhancing the security of various products, including hardware, software, and embedded systems. This role demands a deep understanding of … penetration testing methodologies and advanced exploit development, focusing on identifying and mitigating vulnerabilities across a wide range of technologies. As a Senior Product and Hardware Security PenetrationTester, you will have the chance to work on cutting-edge technologies and contribute to the enhancement of security across … a wide range of products. If you possess a strong background in penetration testing and a passion for cybersecurity, we encourage you to apply for this pivotal role. This position is set to be supported in a hybrid work environment out of Colorado Springs, CO. Key responsibilities include, but 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 … PenetrationTester 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 ❯
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 PenetrationTester 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 ❯
Oxford, Oxfordshire, United Kingdom Hybrid / WFH Options
Nomios
Since being acquired by Nomios in late 2024, Dionach by Nomios has continued its dynamic growth as a leading information security company. Specializing in penetration testing and information assurance services, we offer an incredible opportunity to be part of an experienced team, build your skills, and grow professionally. Dionach … If you require accommodations during the application process, let us know, and we'll work to meet your needs. What You'll Do Lead penetration testing teams to conduct penetration tests across various environments, including web applications, APIs, Cloud, and network infrastructure. Lead on-site customer engagements. Lead … years leading network, web, and internal penetrations tests as well as experience in leading customer engagements onsite. Leadership : Experience of supervising and mentoring penetration test teams. Training Experience : Ownership and leadership on developing and providing training courses. Tools : Proficiency with tools like Burpsuite Pro, Nessus, and other industry standards. More ❯
Glasgow, Renfrewshire, United Kingdom Hybrid / WFH Options
Nomios
Since being acquired by Nomios in late 2024, Dionach by Nomios has continued its dynamic growth as a leading information security company. Specializing in penetration testing and information assurance services, we offer an incredible opportunity to be part of an experienced team, build your skills, and grow professionally. Dionach … If you require accommodations during the application process, let us know, and we'll work to meet your needs. What You'll Do Lead penetration testing teams to conduct penetration tests across various environments, including web applications, APIs, Cloud, and network infrastructure. Lead on-site customer engagements. Lead … years leading network, web, and internal penetrations tests as well as experience in leading customer engagements onsite. Leadership : Experience of supervising and mentoring penetration test teams. Training Experience : Ownership and leadership on developing and providing training courses. Tools : Proficiency with tools like Burpsuite Pro, Nessus, and other industry standards. More ❯
Since being acquired by Nomios in late 2024, Dionach by Nomios has continued its dynamic growth as a leading information security company. Specializing in penetration testing and information assurance services, we offer an incredible opportunity to be part of an experienced team, build your skills, and grow professionally. Dionach … If you require accommodations during the application process, let us know, and we'll work to meet your needs. What You'll Do Lead penetration testing teams to conduct penetration tests across various environments, including web applications, APIs, Cloud, and network infrastructure. Lead on-site customer engagements. Lead … years leading network, web, and internal penetrations tests as well as experience in leading customer engagements onsite. Leadership : Experience of supervising and mentoring penetration test teams. Training Experience : Ownership and leadership on developing and providing training courses. Tools : Proficiency with tools like Burpsuite Pro, Nessus, and other industry standards. More ❯
ReRoot Cyber is seeking a highly skilled and forward-thinking senior penetrationtester to join one of the UK’s most respected testing teams. They are an impressive technical team with a genuinely collaborative culture who have the full backing from management to deliver nothing but value adding … service lines. If you thrive on bringing ideas to life, creating bespoke tools and adding true value to your clients, then this is the penetration testing team for you. This is a home based position with very very very limited travel. Full right to work in the UK is … required What you'll do: Deliver advanced penetration tests across varying environments (web app, inf, cloud) Play a key role in new and existing service line development. Collaborate with a team of brilliant minds to contribute to in-house testing methodologies. Stay ahead of emerging threats and continuously sharpen More ❯
Our client is looking for a junior penetrationtester (2+ years experience) to join their team. Location: Amsterdam Type: Permanent Workplace Type: Hybrid/3 days on site Job Description This is a technical position and your tasks will include Conducting professional security assessments for the clients Consulting More ❯
Chantilly, Virginia, United States Hybrid / WFH Options
Task Force Talent LLC
Task Force Talent is seeking a PenetrationTester 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 …/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 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 CTL (Infrastructure) 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 systems. We offer … cloud-based systems continuously incorporating new techniques into the team's methodology. Automate repetitive tasks by developing scripts to streamline testing processes. Mentor junior penetration testers and contribute to their professional development. Play a key role in enhancing existing tools, methodologies, and reports. Support pre-sales efforts by acting More ❯
Since being acquired by Nomios in late 2024, Dionach by Nomios has continued its dynamic growth as a leading information security company. Specializing in penetration testing and information assurance services, we offer an incredible opportunity to be part of an experienced team, build your skills, and grow professionally. Dionach … the application process, let us know, and we'll work to meet your needs. What You'll Do Lead and mentor a team of Penetration testers, fostering a collaborative and high-performance work environment. Lead and oversee complex infrastructure penetration tests ensuring that they are conducted thoroughly and … tests, infrastructure tests, but also, social engineering. Ensure all testing activities comply with CHECK standards. What We're Looking For Experience : Significant experience in penetration testing, including network, web application and internal penetration testing as well as experience of leading customer engagements on-site. Communication : Strong verbal and More ❯
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 … of bespoke applications, cloud technologies and mobile applications (on diverse mobile platforms) would be of an advantage. You would join our established team of penetration testers with the possibility of progressing to team leader or principal tester positions. You would be able to work flexibly, undertaking work at More ❯
Chatham, Kent, South East, United Kingdom Hybrid / WFH Options
Intertek
Outstanding opportunities have arisen for Penetration Testers to join our ever-growing team. We are seeking individuals who are looking to build knowledge and enhance their skill sets. We are seeking passionate security professionals who are eager to hone your skills and contribute to a world-class security practice. … About You: CREST Registered Tester, or equivalent Cyber Scheme or OSCP qualification Minimum two years' penetration testing experience in infrastructure and application disciplines, ideally with exposure to client site testing such as internal pen tests and IT health checks SC clearance and experience of formal NCSC CHECK testing More ❯
remediation of information security risks across all AbbVie application environments. The ideal candidate must have prior experience leading manual web and mobile application security penetration tests within an enterprise environment and working with application stakeholders to discuss vulnerabilities and remediation options. Responsibilities Maintaining awareness of the latest critical information … including tasks such as: Performing security assessments for AbbVie web and mobile applications across the enterprise Dynamic (DAST) application security testing and/or penetration testing of applications and source code Auditing results of security assessments with development and/or security teams and offering plans for remediation of More ❯
North Chicago, Illinois, United States Hybrid / WFH Options
AbbVie
remediation of information security risks across all AbbVie application environments. The ideal candidate must have prior experience leading manual web and mobile application security penetration tests within an enterprise environment and working with application stakeholders to discuss vulnerabilities and remediation options. Responsibilities Maintaining awareness of the latest critical information … including tasks such as: Performing security assessments for AbbVie web and mobile applications across the enterprise Dynamic (DAST) application security testing and/or penetration testing of applications and source code Auditing results of security assessments with development and/or security teams and offering plans for remediation of More ❯
Milton Keynes, Buckinghamshire, United Kingdom Hybrid / WFH Options
RSM
to join our team. Working alongside our experienced team of specialists, you'll be delivering offensive security services including digital footprint reconnaissance, social engineering, penetration testing and vulnerability assessments to high profile clients across all industries. The purpose of this role is to deliver our offensive security services including … digital footprint reconnaissance, social engineering, vulnerability assessments, penetration testing, threat modelling, cyber-attack simulation exercises, and more to high profile clients across all industries. You'll benefit from ongoing coaching, career mentoring, and be supported by our career pathway. You will have an opportunity to continue to develop market … for you! We value diverse experiences and perspectives. Here's what we're looking for in our ideal candidate: Experience in offensive security and penetration testing. Demonstrable experience in infrastructure and web application testing; experience in API testing is desirable. Demonstrable experience using common pentesting tools including Kali Linux More ❯
Harrington Starr have partnered with a global multi billion pound business in Belfast as they seek a Vulnerability and Penetration Testing Engineer to join their Belfast Centre team in providing security architecture, vulnerability and risk assessment. We are open to speaking to suitable canddiates who may be open to … Experience with automated tools such as Nessus, Appscan, Burp Suite, Nipper, and Trustwave. Expert understanding of the difference between a vulnerability assessment and a penetration test in the context of assessment scope, objectives, and deliverables. Working knowledge of information security frameworks such as ISO27001, NIST, and CIS. If this More ❯