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 ❯
Join to apply for the PenetrationTester (Principal Consultant) role at Cognisys Location: Leeds (hybrid)/UK (remote) Salary: up to £80K (DOE) Are you ready to make an impact in the fast-paced world of cybersecurity? Cognisys is growing rapidly, and we’re looking for a PenetrationTester (Principal Consultant) to join our team during this exciting period of innovation and expansion. Cognisys is a leading cybersecurity company specialising in Penetration Testing, GRC Consulting, and Managed Security services. We pride ourselves on our customer service, forward-thinking approach, and commitment to excellence. Our small … mighty team works with some of the best-known companies in the world and covers over 30 countries worldwide! About The Role As a PenetrationTester (Principal Consultant), you will be key in driving commercial success, managing high-performing teams, and delivering cutting-edge offensive security projects. This 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 ❯
belfast, antrim, united kingdom Hybrid / WFH Options
Ocho
PenetrationTester (CTL - Infrastructure) - Belfast (Hybrid) We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure PenetrationTester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms. What You'll Do: Conduct infrastructure, web … mobile penetration tests for a diverse client base Identify vulnerabilities, produce clear reports & advise on remediation Contribute to tool/methodology development & mentor junior testers Support pre-sales & share knowledge through blogs or speaking opportunities What We're Looking For: 5+ years of hands-on penetration testing experience … with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation. Skills: Burpsuite penetration vulnerabilities Nmap Nessus metasploit Benefits: Work From Home More ❯
PenetrationTester (CTL - Infrastructure) - Belfast (Hybrid) We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure PenetrationTester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms. What You'll Do: Conduct infrastructure, web … mobile penetration tests for a diverse client base Identify vulnerabilities, produce clear reports & advise on remediation Contribute to tool/methodology development & mentor junior testers Support pre-sales & share knowledge through blogs or speaking opportunities What We're Looking For: 5+ years of hands-on penetration testing experience … with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation. Skills: Burpsuite penetration vulnerabilities Nmap Nessus metasploit Benefits: Work From Home More ❯
wolverhampton, midlands, united kingdom Hybrid / WFH Options
Ocho
PenetrationTester (CTL - Infrastructure) - Belfast (Hybrid) We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure PenetrationTester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms. What You'll Do: Conduct infrastructure, web … mobile penetration tests for a diverse client base Identify vulnerabilities, produce clear reports & advise on remediation Contribute to tool/methodology development & mentor junior testers Support pre-sales & share knowledge through blogs or speaking opportunities What We're Looking For: 5+ years of hands-on penetration testing experience … with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation. Skills: Burpsuite penetration vulnerabilities Nmap Nessus metasploit Benefits: Work From Home More ❯
leicester, midlands, united kingdom Hybrid / WFH Options
Ocho
PenetrationTester (CTL - Infrastructure) - Belfast (Hybrid) We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure PenetrationTester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms. What You'll Do: Conduct infrastructure, web … mobile penetration tests for a diverse client base Identify vulnerabilities, produce clear reports & advise on remediation Contribute to tool/methodology development & mentor junior testers Support pre-sales & share knowledge through blogs or speaking opportunities What We're Looking For: 5+ years of hands-on penetration testing experience … with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation. Skills: Burpsuite penetration vulnerabilities Nmap Nessus metasploit Benefits: Work From Home More ❯
lincoln, midlands, united kingdom Hybrid / WFH Options
Ocho
PenetrationTester (CTL - Infrastructure) - Belfast (Hybrid) We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure PenetrationTester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms. What You'll Do: Conduct infrastructure, web … mobile penetration tests for a diverse client base Identify vulnerabilities, produce clear reports & advise on remediation Contribute to tool/methodology development & mentor junior testers Support pre-sales & share knowledge through blogs or speaking opportunities What We're Looking For: 5+ years of hands-on penetration testing experience … with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation. Skills: Burpsuite penetration vulnerabilities Nmap Nessus metasploit Benefits: Work From Home More ❯
worcester, midlands, united kingdom Hybrid / WFH Options
Ocho
PenetrationTester (CTL - Infrastructure) - Belfast (Hybrid) We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure PenetrationTester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms. What You'll Do: Conduct infrastructure, web … mobile penetration tests for a diverse client base Identify vulnerabilities, produce clear reports & advise on remediation Contribute to tool/methodology development & mentor junior testers Support pre-sales & share knowledge through blogs or speaking opportunities What We're Looking For: 5+ years of hands-on penetration testing experience … with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation. Skills: Burpsuite penetration vulnerabilities Nmap Nessus metasploit Benefits: Work From Home More ❯
chesterfield, midlands, united kingdom Hybrid / WFH Options
Ocho
PenetrationTester (CTL - Infrastructure) - Belfast (Hybrid) We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure PenetrationTester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms. What You'll Do: Conduct infrastructure, web … mobile penetration tests for a diverse client base Identify vulnerabilities, produce clear reports & advise on remediation Contribute to tool/methodology development & mentor junior testers Support pre-sales & share knowledge through blogs or speaking opportunities What We're Looking For: 5+ years of hands-on penetration testing experience … with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation. Skills: Burpsuite penetration vulnerabilities Nmap Nessus metasploit Benefits: Work From Home More ❯
nottingham, midlands, united kingdom Hybrid / WFH Options
Ocho
PenetrationTester (CTL - Infrastructure) - Belfast (Hybrid) We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure PenetrationTester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms. What You'll Do: Conduct infrastructure, web … mobile penetration tests for a diverse client base Identify vulnerabilities, produce clear reports & advise on remediation Contribute to tool/methodology development & mentor junior testers Support pre-sales & share knowledge through blogs or speaking opportunities What We're Looking For: 5+ years of hands-on penetration testing experience … with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation. Skills: Burpsuite penetration vulnerabilities Nmap Nessus metasploit Benefits: Work From Home More ❯
coventry, midlands, united kingdom Hybrid / WFH Options
Ocho
PenetrationTester (CTL - Infrastructure) - Belfast (Hybrid) We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure PenetrationTester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms. What You'll Do: Conduct infrastructure, web … mobile penetration tests for a diverse client base Identify vulnerabilities, produce clear reports & advise on remediation Contribute to tool/methodology development & mentor junior testers Support pre-sales & share knowledge through blogs or speaking opportunities What We're Looking For: 5+ years of hands-on penetration testing experience … with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation. Skills: Burpsuite penetration vulnerabilities Nmap Nessus metasploit Benefits: Work From Home More ❯
northampton, midlands, united kingdom Hybrid / WFH Options
Ocho
PenetrationTester (CTL - Infrastructure) - Belfast (Hybrid) We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure PenetrationTester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms. What You'll Do: Conduct infrastructure, web … mobile penetration tests for a diverse client base Identify vulnerabilities, produce clear reports & advise on remediation Contribute to tool/methodology development & mentor junior testers Support pre-sales & share knowledge through blogs or speaking opportunities What We're Looking For: 5+ years of hands-on penetration testing experience … with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation. Skills: Burpsuite penetration vulnerabilities Nmap Nessus metasploit Benefits: Work From Home More ❯
birmingham, midlands, united kingdom Hybrid / WFH Options
Ocho
PenetrationTester (CTL - Infrastructure) - Belfast (Hybrid) We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure PenetrationTester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms. What You'll Do: Conduct infrastructure, web … mobile penetration tests for a diverse client base Identify vulnerabilities, produce clear reports & advise on remediation Contribute to tool/methodology development & mentor junior testers Support pre-sales & share knowledge through blogs or speaking opportunities What We're Looking For: 5+ years of hands-on penetration testing experience … with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation. Skills: Burpsuite penetration vulnerabilities Nmap Nessus metasploit Benefits: Work From Home More ❯
west midlands, midlands, united kingdom Hybrid / WFH Options
Ocho
PenetrationTester (CTL - Infrastructure) - Belfast (Hybrid) We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure PenetrationTester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms. What You'll Do: Conduct infrastructure, web … mobile penetration tests for a diverse client base Identify vulnerabilities, produce clear reports & advise on remediation Contribute to tool/methodology development & mentor junior testers Support pre-sales & share knowledge through blogs or speaking opportunities What We're Looking For: 5+ years of hands-on penetration testing experience … with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation. Skills: Burpsuite penetration vulnerabilities Nmap Nessus metasploit Benefits: Work From Home More ❯
newport, midlands, united kingdom Hybrid / WFH Options
Ocho
PenetrationTester (CTL - Infrastructure) - Belfast (Hybrid) We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure PenetrationTester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms. What You'll Do: Conduct infrastructure, web … mobile penetration tests for a diverse client base Identify vulnerabilities, produce clear reports & advise on remediation Contribute to tool/methodology development & mentor junior testers Support pre-sales & share knowledge through blogs or speaking opportunities What We're Looking For: 5+ years of hands-on penetration testing experience … with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation. Skills: Burpsuite penetration vulnerabilities Nmap Nessus metasploit Benefits: Work From Home More ❯
derby, midlands, united kingdom Hybrid / WFH Options
Ocho
PenetrationTester (CTL - Infrastructure) - Belfast (Hybrid) We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure PenetrationTester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms. What You'll Do: Conduct infrastructure, web … mobile penetration tests for a diverse client base Identify vulnerabilities, produce clear reports & advise on remediation Contribute to tool/methodology development & mentor junior testers Support pre-sales & share knowledge through blogs or speaking opportunities What We're Looking For: 5+ years of hands-on penetration testing experience … with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation. Skills: Burpsuite penetration vulnerabilities Nmap Nessus metasploit Benefits: Work From Home More ❯
telford, midlands, united kingdom Hybrid / WFH Options
Ocho
PenetrationTester (CTL - Infrastructure) - Belfast (Hybrid) We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure PenetrationTester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms. What You'll Do: Conduct infrastructure, web … mobile penetration tests for a diverse client base Identify vulnerabilities, produce clear reports & advise on remediation Contribute to tool/methodology development & mentor junior testers Support pre-sales & share knowledge through blogs or speaking opportunities What We're Looking For: 5+ years of hands-on penetration testing experience … with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation. Skills: Burpsuite penetration vulnerabilities Nmap Nessus metasploit Benefits: Work From Home More ❯
shrewsbury, midlands, united kingdom Hybrid / WFH Options
Ocho
PenetrationTester (CTL - Infrastructure) - Belfast (Hybrid) We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure PenetrationTester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms. What You'll Do: Conduct infrastructure, web … mobile penetration tests for a diverse client base Identify vulnerabilities, produce clear reports & advise on remediation Contribute to tool/methodology development & mentor junior testers Support pre-sales & share knowledge through blogs or speaking opportunities What We're Looking For: 5+ years of hands-on penetration testing experience … with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation. Skills: Burpsuite penetration vulnerabilities Nmap Nessus metasploit Benefits: Work From Home More ❯
bedford, east anglia, united kingdom Hybrid / WFH Options
Ocho
PenetrationTester (CTL - Infrastructure) - Belfast (Hybrid) We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure PenetrationTester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms. What You'll Do: Conduct infrastructure, web … mobile penetration tests for a diverse client base Identify vulnerabilities, produce clear reports & advise on remediation Contribute to tool/methodology development & mentor junior testers Support pre-sales & share knowledge through blogs or speaking opportunities What We're Looking For: 5+ years of hands-on penetration testing experience … with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation. Skills: Burpsuite penetration vulnerabilities Nmap Nessus metasploit Benefits: Work From Home More ❯
ipswich, east anglia, united kingdom Hybrid / WFH Options
Ocho
PenetrationTester (CTL - Infrastructure) - Belfast (Hybrid) We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure PenetrationTester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms. What You'll Do: Conduct infrastructure, web … mobile penetration tests for a diverse client base Identify vulnerabilities, produce clear reports & advise on remediation Contribute to tool/methodology development & mentor junior testers Support pre-sales & share knowledge through blogs or speaking opportunities What We're Looking For: 5+ years of hands-on penetration testing experience … with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation. Skills: Burpsuite penetration vulnerabilities Nmap Nessus metasploit Benefits: Work From Home More ❯
norwich, east anglia, united kingdom Hybrid / WFH Options
Ocho
PenetrationTester (CTL - Infrastructure) - Belfast (Hybrid) We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure PenetrationTester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms. What You'll Do: Conduct infrastructure, web … mobile penetration tests for a diverse client base Identify vulnerabilities, produce clear reports & advise on remediation Contribute to tool/methodology development & mentor junior testers Support pre-sales & share knowledge through blogs or speaking opportunities What We're Looking For: 5+ years of hands-on penetration testing experience … with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation. Skills: Burpsuite penetration vulnerabilities Nmap Nessus metasploit Benefits: Work From Home More ❯
doncaster, yorkshire and the humber, united kingdom Hybrid / WFH Options
Ocho
PenetrationTester (CTL - Infrastructure) - Belfast (Hybrid) We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure PenetrationTester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms. What You'll Do: Conduct infrastructure, web … mobile penetration tests for a diverse client base Identify vulnerabilities, produce clear reports & advise on remediation Contribute to tool/methodology development & mentor junior testers Support pre-sales & share knowledge through blogs or speaking opportunities What We're Looking For: 5+ years of hands-on penetration testing experience … with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation. Skills: Burpsuite penetration vulnerabilities Nmap Nessus metasploit Benefits: Work From Home More ❯
edinburgh, central scotland, united kingdom Hybrid / WFH Options
Ocho
PenetrationTester (CTL - Infrastructure) - Belfast (Hybrid) We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure PenetrationTester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms. What You'll Do: Conduct infrastructure, web … mobile penetration tests for a diverse client base Identify vulnerabilities, produce clear reports & advise on remediation Contribute to tool/methodology development & mentor junior testers Support pre-sales & share knowledge through blogs or speaking opportunities What We're Looking For: 5+ years of hands-on penetration testing experience … with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation. Skills: Burpsuite penetration vulnerabilities Nmap Nessus metasploit Benefits: Work From Home More ❯
cambridge, east anglia, united kingdom Hybrid / WFH Options
Ocho
PenetrationTester (CTL - Infrastructure) - Belfast (Hybrid) We're hiring an experienced CREST Certified Tester Licence (CTL) - Infrastructure PenetrationTester to join a dynamic, Belfast-based team delivering ethical hacking and security testing across web, cloud, and mobile platforms. What You'll Do: Conduct infrastructure, web … mobile penetration tests for a diverse client base Identify vulnerabilities, produce clear reports & advise on remediation Contribute to tool/methodology development & mentor junior testers Support pre-sales & share knowledge through blogs or speaking opportunities What We're Looking For: 5+ years of hands-on penetration testing experience … with clients that value security and a team that values growth or reach out to Andrew Harrison directly for a confidential conversation. Skills: Burpsuite penetration vulnerabilities Nmap Nessus metasploit Benefits: Work From Home More ❯