1 to 25 of 39 Penetration Testing Jobs in the South East

Ready to take the next step in your penetration testing career and lead a high-performing team at a respected, fast-growing cybersecurity consultancy? This is your opportunity to join a CREST-certified organisation committed to excellence, innovation and integrity. As our new Penetration Testing Team … Leader , you’ll play a pivotal role in shaping cutting-edge testing services, developing talented testers, and helping protect clients across government, telecoms, finance, digital currencies and other critical sectors. With structured development, meaningful progression opportunities, and the chance to make a visible impact from day one, this ...

Penetration Tester CTM Level - Wokingham, UK Key Points Up to £470 per day, 7-month contract Hybrid model, 3 days onsite and 2 remote Seeking a Penetration Tester at CTM level with strong consultancy skills Active SC Clearance required About the Client Our client is a respected organisation … range of technical services that help strengthen critical digital operations. With growing demand across their security programmes, they are now searching for an experienced Penetration Tester to join their established team. The Benefits Exposure to varied testing engagements Collaborative and supportive technical environment Opportunity to deliver high impact ...

public cloud environments. Evaluate technical security controls (such as firewalls, IDS/IPS, security baselines, access controls) by directly interrogating systems, reviewing configurations, and testing controls. (Co-)Conduct vulnerability scans, penetration testing, and protocol analysis using approved tools to validate the efficacy of implemented security measures. Collaborate … real time, and supporting project delivery in a dynamic environment. Experience: Minimum 6 years' concrete, hands-on experience in technical IT audit, cyber security testing, penetration testing, or system security analysis. Strong background in technical audit execution within large, complex cloud and network environments. Experience directly configuring ...

Penetration Tester (OSCP) Location: Remote Position Type: Full-time Reports to: Senior Penetration Tester About the Organisation A high-growth security consultancy working across government, space programmes, and FTSE 100 organisations is expanding its offensive security function. The team delivers complex, high-impact testing and simulation work … delivering cutting-edge work, this is an opportunity to develop quickly in a technically challenging environment. Role Overview We’re looking for a Penetration Tester/Red Team Consultant with 1–3 years’ experience who thrives on variety, problem-solving, and continuous learning. You’ll deliver offensive security assessments ...

Microsoft security stack, DFIR tooling, SIEM, Microsoft Defender/Sentinel, EDR platforms, timeline analysis, and cloud environments (Azure, AWS, or GCP).* Exposure to penetration testing, including red team or purple team exercises, is advantageous.* Ability to script or automate using Bash, Perl, Python, or PowerShell.* Strong analytical … Security, Threat Hunting, Cyber Threat Intelligence, MITRE ATT&CK, Red Team, Purple Team, Malware Analysis, Cyber Forensics, Security Operations, Security Engineer, On-Call IR, Penetration Testing, Python, PowerShell, Bash, Cyber Defence, CSIRT, MSSP, Network Forensics, Endpoint Forensics, Cloud Security, IR Lead, Security Consultant. ...

Security Engineer GCP, Cloud Security, Pen Testing- Hybrid (London) You will be joining a company that build software solutions fast to solve real problems within the workplace. The team builds tools that help engineering and product teams respond to incidents, reduce downtime, and continuously improve. Were looking … into designs Detect security weaknesses across API's, Applications and Infrastructure Driving secure development practices across the business Requirements: White-box and Black-box testing Penetration Testing Cloud Security in GCP Secure Software Development (Go, Typescript) Ability to conduct in-depth Security Research If you're interested ...

Penetration Tester - SC CLEARED - Wokingham, Berkshire and remote - 5 months+ - START: JANUARY/FEBRUARY (Tester, Test, Testing, Test Analyst, Test Engineer, Test Specialist, AWS, Azure, Cloud, Crest, CyberScheme) One of our Blue Chip Clients is urgently looking for an SC Cleared Penetration Tester. Please find some details … below: CONTRACTOR MUST HOLD ACTIVE SC CLEARANCE MUST BE PAYE THROUGH UMBRELLA Role Description: A penetration tester plays a vital role within the UK's cybersecurity industry, particularly when assisting organisations with managing and mitigating security risks. The core responsibilities of a penetration tester are to identify vulnerabilities ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct network … application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools, and testing ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct network … application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools, and testing ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct network … application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools, and testing ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct network … application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools, and testing ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct network … application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools, and testing ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct network … application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools, and testing ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct network … application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools, and testing ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct network … application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools, and testing ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct network … application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools, and testing ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct network … application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools, and testing ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct network … application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools, and testing ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct network … application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools, and testing ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct network … application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools, and testing ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct network … application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools, and testing ...

Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct network … application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools, and testing ...

Malware/Ransomware etc for Product/Platform DDos Protection Access Management/Review (IAM) Threat modelling Setup Bug Bounty program Application Security/Testing Brand monitoring (domans etc) Whitelist client access Encryption in Transit (confirm 100%) Social Engineering testing Spear Phishing Secure Code Training Pre-Release code … analysis IDS/IPS Application/Infrastructure Hardening Advanced Penetration testing Essential experience At least one industry certificate such as CISSP, OSCP, CEH. Kubernetes experience knowledge Understanding of security practices for cloud platforms such as GCP and AWS Certification such as Professional Cloud Security Engineer from ...

analyse alerts from SIEM, EDR, firewalls, and other security platforms Lead and coordinate incident response activities Manage security projects including DPIAs, supplier assurance, penetration testing, and remediation Support evaluation and implementation of emerging technology, including AI security tools Conduct threat hunting and support vulnerability scanning and patch management ...

analyse alerts from SIEM, EDR, firewalls, and other security platforms Lead and coordinate incident response activities Manage security projects including DPIAs, supplier assurance, penetration testing, and remediation Support evaluation and implementation of emerging technology, including AI security tools Conduct threat hunting and support vulnerability scanning and patch management ...