13 of 13 Penetration Tester Jobs in the East of England

opportunity to join a team that values your expertise, supports your growth, and offers the flexibility of remote working with the stimulation of varied engagements. Key Responsibilities: Conduct thorough penetration tests on infrastructure, networks, cloud environments, and web applications. Deliver high-quality, client-ready reports detailing findings, impact, and practical remediation advice. Collaborate directly with client stakeholders during scoping … e.g., OWASP Top 10, MITRE ATT&CK). Strong familiarity with tools such as Burp Suite, Nmap, Metasploit, etc. Excellent communication and reporting skills. Required Qualifications: Demonstrable experience in penetration testing (minimum 2 years preferred). Hold at least one of the following certifications: OSCP (Offensive Security Certified Professional) CRT (CREST Registered Tester) CCT-INF (CREST Certified Infrastructure … Tester) #J-18808-Ljbffr More ❯

Opus are looking for an experienced Penetration Tester to join our client, a cyber consultancy specialising exclusively in penetration testing and red teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior Penetration Tester, you’ll play a central role in executing and … position suited to someone who thrives in technically demanding scenarios and wants to work alongside a small, elite team of offensive security specialists. Key Responsibilities Lead and execute complex penetration tests and adversary simulations Deliver red team engagements aligned with frameworks like TIBER, CBEST, and MITRE ATT&CK Develop custom tooling and exploits where required Create detailed, client-facing … technical and executive reports Mentor junior testers and contribute to internal R&D Stay sharp: engage in continuous learning and threat landscape analysis About You Proven experience in penetration testing and red teaming (internal, external, app, cloud, etc.) Strong understanding of attacker TTPs and detection evasion Familiarity with frameworks such as OWASP , MITRE ATT&CK , and NIST Experience with More ❯

Opus are looking for an experienced Penetration Tester to join our client, a cyber consultancy specialising exclusively in penetration testing and red teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior Penetration Tester, you’ll play a central role in executing and … position suited to someone who thrives in technically demanding scenarios and wants to work alongside a small, elite team of offensive security specialists. Key Responsibilities Lead and execute complex penetration tests and adversary simulations Deliver red team engagements aligned with frameworks like TIBER, CBEST, and MITRE ATT&CK Develop custom tooling and exploits where required Create detailed, client-facing … technical and executive reports Mentor junior testers and contribute to internal R&D Stay sharp: engage in continuous learning and threat landscape analysis About You Proven experience in penetration testing and red teaming (internal, external, app, cloud, etc.) Strong understanding of attacker TTPs and detection evasion Familiarity with frameworks such as OWASP , MITRE ATT&CK , and NIST Experience with More ❯

Social network you want to login/join with: Opus are looking for an experienced Penetration Tester to join our client, a cyber consultancy specialising exclusively in penetration testing and red teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior Penetration Tester … position suited to someone who thrives in technically demanding scenarios and wants to work alongside a small, elite team of offensive security specialists. Key Responsibilities Lead and execute complex penetration tests and adversary simulations Deliver red team engagements aligned with frameworks like TIBER, CBEST, and MITRE ATT&CK Develop custom tooling and exploits where required Create detailed, client-facing … technical and executive reports Mentor junior testers and contribute to internal R&D Stay sharp: engage in continuous learning and threat landscape analysis About You Proven experience in penetration testing and red teaming (internal, external, app, cloud, etc.) Strong understanding of attacker TTPs and detection evasion Familiarity with frameworks such as OWASP , MITRE ATT&CK , and NIST Experience with More ❯

Social network you want to login/join with: Opus are looking for an experienced Penetration Tester to join our client, a cyber consultancy specialising exclusively in penetration testing and red teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior Penetration Tester … position suited to someone who thrives in technically demanding scenarios and wants to work alongside a small, elite team of offensive security specialists. Key Responsibilities Lead and execute complex penetration tests and adversary simulations Deliver red team engagements aligned with frameworks like TIBER, CBEST, and MITRE ATT&CK Develop custom tooling and exploits where required Create detailed, client-facing … technical and executive reports Mentor junior testers and contribute to internal R&D Stay sharp: engage in continuous learning and threat landscape analysis About You Proven experience in penetration testing and red teaming (internal, external, app, cloud, etc.) Strong understanding of attacker TTPs and detection evasion Familiarity with frameworks such as OWASP , MITRE ATT&CK , and NIST Experience with More ❯

Social network you want to login/join with: Opus are looking for an experienced Penetration Tester to join our client, a cyber consultancy specialising exclusively in penetration testing and red teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior Penetration Tester … position suited to someone who thrives in technically demanding scenarios and wants to work alongside a small, elite team of offensive security specialists. Key Responsibilities Lead and execute complex penetration tests and adversary simulations Deliver red team engagements aligned with frameworks like TIBER, CBEST, and MITRE ATT&CK Develop custom tooling and exploits where required Create detailed, client-facing … technical and executive reports Mentor junior testers and contribute to internal R&D Stay sharp: engage in continuous learning and threat landscape analysis About You Proven experience in penetration testing and red teaming (internal, external, app, cloud, etc.) Strong understanding of attacker TTPs and detection evasion Familiarity with frameworks such as OWASP , MITRE ATT&CK , and NIST Experience with More ❯

Social network you want to login/join with: Opus are looking for an experienced Penetration Tester to join our client, a cyber consultancy specialising exclusively in penetration testing and red teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior Penetration Tester … position suited to someone who thrives in technically demanding scenarios and wants to work alongside a small, elite team of offensive security specialists. Key Responsibilities Lead and execute complex penetration tests and adversary simulations Deliver red team engagements aligned with frameworks like TIBER, CBEST, and MITRE ATT&CK Develop custom tooling and exploits where required Create detailed, client-facing … technical and executive reports Mentor junior testers and contribute to internal R&D Stay sharp: engage in continuous learning and threat landscape analysis About You Proven experience in penetration testing and red teaming (internal, external, app, cloud, etc.) Strong understanding of attacker TTPs and detection evasion Familiarity with frameworks such as OWASP , MITRE ATT&CK , and NIST Experience with More ❯

Opus are looking for an experienced Penetration Tester to join our client, a cyber consultancy specialising exclusively in penetration testing and red teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior Penetration Tester, you’ll play a central role in executing and … position suited to someone who thrives in technically demanding scenarios and wants to work alongside a small, elite team of offensive security specialists. Key Responsibilities Lead and execute complex penetration tests and adversary simulations Deliver red team engagements aligned with frameworks like TIBER, CBEST, and MITRE ATT&CK Develop custom tooling and exploits where required Create detailed, client-facing … technical and executive reports Mentor junior testers and contribute to internal R&D Stay sharp: engage in continuous learning and threat landscape analysis About You Proven experience in penetration testing and red teaming (internal, external, app, cloud, etc.) Strong understanding of attacker TTPs and detection evasion Familiarity with frameworks such as OWASP , MITRE ATT&CK , and NIST Experience with More ❯

Social network you want to login/join with: Penetration Tester (OSCP or similar certified), Watford, Hertfordshire Client: Harrington Starr Location: Watford, Hertfordshire, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 4 Posted: 26.06.2025 Expiry Date: 10.08.2025 Job Description: Harrington Starr has partnered with a global multi-billion-pound business in Belfast to find … a Vulnerability and Penetration Testing Engineer to join their Belfast Centre team, providing security architecture, vulnerability, and risk assessment. We are open to speaking with suitable candidates who may be interested in a remote contract with occasional trips to the Belfast Head Office. Responsibilities: Evaluate proposed and current solutions to ensure compliance with security standards, including ISMS Policy, client … to protect the company's assets. Continuously evaluate products, tools, scripts, and techniques to enhance assessment capabilities. 3+ years in a pen test role. Excellent knowledge of Vulnerability and Penetration Testing concepts and best practices, including WhiteHat/Ethical Hacking requirements. Experience with automated tools such as Nessus, Appscan, Burp Suite, Nipper, and Trustwave. Understanding of the difference between More ❯

Social network you want to login/join with: Penetration Tester (OSCP or similar certified), Hemel Hempstead Client: Harrington Starr Location: Hemel Hempstead, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 4 Posted: 26.06.2025 Expiry Date: 10.08.2025 Job Description: Harrington Starr has partnered with a global multi-billion-pound business in Belfast, seeking a … Vulnerability and Penetration Testing Engineer to join their Belfast Centre team. The role involves providing security architecture, vulnerability, and risk assessment services. We are open to speaking with suitable candidates who may be interested in working on a remote contract with occasional trips to the Belfast Head Office. Responsibilities: Thoroughly evaluate proposed and current solutions to ensure compliance with … firm's assets. Continuously evaluate relevant products, tools, scripts, and techniques to enhance assessment capabilities. Minimum of 2+ years in a pen test role. Excellent knowledge of Vulnerability and Penetration Testing concepts and best practices, including WhiteHat/Ethical Hacking requirements. Experience with automated tools such as Nessus, Appscan, Burp Suite, Nipper, and Trustwave. Deep understanding of the difference More ❯

Social network you want to login/join with: Penetration Tester, Watford, Hertfordshire Client: Network IT Recruitment Limited Location: Watford, Hertfordshire, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 6 Posted: 31.05.2025 Expiry Date: 15.07.2025 Job Description: If you're looking to join an established organisation expanding their penetration testing capabilities, this is … a genuine opportunity for a penetration tester to deliver impactful testing work without being sidetracked by red tape. You'll focus on delivering high-quality assessments and reports, honing your skills across various testing disciplines, with full investment in training and certifications (including those you pursue personally). What you'll be doing Deliver high-quality penetration …/External Infrastructure Web Applications, APIs Hardware & Embedded Software Produce clear, concise, actionable reports for both technical and non-technical audiences. Work independently or collaboratively with a team of penetration testers. Engage with clients and stakeholders to explain findings and remediation steps. What's in it for you? Remote-first culture – work from anywhere in the UK Salary up More ❯

G.Digital Location: colchester, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Principal Penetration Tester - £95k - Leeds (Remote first) - Amazing growth opportunities G.Digital have partnered exclusively with one of our BRAND NEW clients looking to add to their Penetration Testing Practice. … need from you: Experience across multiple Industries Have previously lead a team (2 direct line reports/11 overall) Relevant Cyber credentials - CCT is a must Expertise in Infrastructure Penetration Testing Any competencies in a Scripting/Programming language (Python ideal) Comfortable in a Pre-sales capacity Adhoc There's a 2 interview stages to assess your technical expertise … with a final 20 minute HR/CEO meeting. Interviews happening W/C 2nd June - So get in touch if of interest! Principal Penetration Tester - £95k - Leeds (Remote first) - Amazing growth opportunities #J-18808-Ljbffr More ❯

bedfordshire, United Kingdom Job Category: Other Job opportunities - EU work permit required: Yes col-narrow-right Job Views: 13 Posted: 18.06.2025 Expiry Date: 02.08.2025 col-wide Job Description: Principal Penetration Tester - £95k - Leeds (Remote first) - Amazing growth opportunities G.Digital have partnered exclusively with one of our BRAND NEW clients looking to add to their Penetration Testing Practice. … need from you: Experience across multiple Industries Have previously lead a team (2 direct line reports/11 overall) Relevant Cyber credentials - CCT is a must Expertise in Infrastructure Penetration Testing Any competencies in a Scripting/Programming language (Python ideal) Comfortable in a Pre-sales capacity Adhoc There's a 2 interview stages to assess your technical expertise … with a final 20 minute HR/CEO meeting. Interviews happening W/C 2nd June - So get in touch if of interest! Principal Penetration Tester - £95k - Leeds (Remote first) - Amazing growth opportunities Please note that if you are NOT a passport holder of the country for the vacancy you might need a work permit. Check our Blog More ❯