Portsmouth, England, United Kingdom Hybrid/Remote Options
ProCheckUp (PCU)
CISSP, CEH, or similar) are a plus Bachelor's degree in Cybersecurity, Computer Science, or related field is preferred The successful candidate will have demonstrable knowledge and experience of penetrationtesting, preferably supported by industry leading qualifications. In addition they will have: SPECIALITIES • Web Application Security (Implementation, detection, mitigation and education) • PenetrationTesting and Vulnerability Assessment … Network, SCADA and Web Application) • Mobile phone/Application PenetrationTesting (Android/iPhone/iPad) • Computer and Network Forensics (including e-Discovery) • Delivery of Enterprise Wide Security Programs • Operational Security (Incident Response) • Infrastructure Security and Risk assessments • Network Security (border control devices) • Social Engineering • Good client facing skills. • Drive and ambition to provide support the UK business … development executives. In addition the successful candidate may have: • The successful candidate may have published vulnerabilities and white papers. • The successful candidate may have experience in testing Web Services. • The successful candidate may have experience testing mobile applications. CERTIFTICATION & MEMBERSHIPS Core qualifications:- • Current CREST CCT-INF or CREST CCT-APP certifications • Current Check Team Leader (CTL) at NCSC More ❯
analyse the global threat landscape to identify emerging risks, adversary tactics, and trends relevant to the organization's business and technology environment Collaborate with Red Team, Blue Team, and PenetrationTesting teams to integrate threat intelligence into testing scenarios using Breach & Attack Simulation (BAS) platforms and enhance defensive strategies Act as a liaison between threat intelligence and … intelligence and offensive security operations Ad hoc requests from your line manager Cyber Security Analyst Ideal Candidate: At least 5 years of experience in threat intelligence, cybersecurity operations, or penetrationtesting Ability to collaborate across technical teams, including Red/Blue teams and SOC Familiarity with threat intelligence platforms (TIPs), SIEMs, and threat data enrichment tools Experience using … Breach and Attack Simulation (BAS) platforms Strong understanding of adversary tactics, techniques, and procedures (TTPs), MITRE ATT&CK framework, and threat modelling Hands-on experience with penetrationtesting tools such as Metasploit Framework, Burp Suite, Kali Linux, and Pentera Experience producing threat reports and briefings Business level fluency in English Japanese, Cantonese, Mandarin language would be advantageous due More ❯
SECFORCE is an independent offensive cyber security consultancy specialised in PenetrationTesting and Adversary Simulation. Founded in 2008 out of love and passion for the hacking craft, we have grown into a well-respected company based in London, Malta and Greece, with teams across Europe working for top-tier organisations all over the world. What started as a … security. Tasks Collaborate with sales to understand client needs and position appropriate cybersecurity services Deliver technical presentations and demos that communicate the value and scope of our services (e.g., penetrationtesting, red teaming, etc.) Support the preparation of proposals, statements of work (SOWs), and RFP/RFI responses Scope and define technical requirements and resource estimates for service … pre-sales, consulting, or technical sales support role within cybersecurity or IT services Understanding of the cyber threat landscape and threat actor TTPs Understanding of Cyber Services markets e.g. PenetrationTesting, Red Team/Purple Team, Adversary Simulation, etc. Willingness to travel to regular F2F end user meetings Self-starter with a results-oriented mindset and the ability More ❯
Penetration Tester Wokingham | Hybrid (3 days onsite, 2 remote) Up to £470 per day (Inside IR35) Contract until 30 June 2026 Active SC clearance required – sole UK nationals only We are recruiting an experienced Penetration Tester to join a leading consultancy, delivering high-quality security assessments for public sector and enterprise clients. This role is ideal for someone … who enjoys hands-on technical testing, staying ahead of emerging threats and communicating findings clearly to stakeholders at all levels. The role: You will carry out a full range of penetrationtesting assignments across infrastructure, applications and networks, using both manual and automated techniques. You will assess security posture, identify vulnerabilities, and produce clear technical reports and … risk assessments and compliance reviews, contributing to internal research projects, and ensuring all work is delivered to defined standards, on time and within scope. Key responsibilities: Deliver high-quality penetrationtesting and consultancy services Conduct infrastructure, application and network assessments Stay up to date with emerging threats, technologies and methodologies Produce accurate technical reports and summaries for clients More ❯
London, South East, England, United Kingdom Hybrid/Remote Options
4Square Recruitment Ltd
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 for clients across the UK, US, and Europe. With a … retention, and a track record of 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, red team operations, and … Responsibilities Deliver red team, purple team, and wider offensive security engagements. Conduct attack simulations, threat modelling, and targeted technical testing. Carry out occasional physical security assessments. Produce high-quality penetrationtesting and red team reports. Communicate findings clearly to both technical and non-technical stakeholders. Support the development of offensive security services and internal methodologies. Contribute to R More ❯
/IPS, endpoint protection, etc.). • Monitoring security policies, standards, and best practices. • Reviewing and monitoring user access and identity management controls across systems. • Key activities in relation to PenetrationTesting & Vulnerability Assessments will include conducting internal and external penetration tests to evaluate system security. • Performing regular vulnerability scans using tools like Nessus, Qualys, or OpenVAS. • Analysing … of Information and Cyber Security practices like NIST, Cyber Essentials +, ISO27001. • Familiarity with regulatory compliance and auditing standards. • Ability to identify, assess and mitigate security risks. • Knowledge of penetrationtesting and vulnerability scanning tools like Nessus and Qualys. • Proficiency in applying security tooling including firewalls, VPN’s, Network Traffic Analysis. • Knowledge of network protocols TCP/IP More ❯
Experience with security and compliance tools such as ISMS Online, Qualys VMDR, and Cofense phishing simulation would be highly advantageous. The role requires strong proficiency in vulnerability management, coordinating penetrationtesting, supplier security assurance, and incident response. A thorough understanding of legal and procedural obligations relating to data protection and information governance is essential. Excellent communication and stakeholder … and Experience Proven experience managing an enterprise ISMS and leading ISO 27001 audits. Strong understanding of cyber threats, cloud security (Azure, M365), and regulatory compliance. Experience with supplier assurance, penetrationtesting, and vulnerability management. Excellent stakeholder engagement and communication skills. Ability to work independently and influence cross-functional teams. Familiarity with Cofense phishing simulation tool, ISMS Online, Qualys More ❯
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 for a pragmatic, energetic customer facing and product-minded engineers who will … Teams to embed security features into designs Detect security weaknesses across API's, Applications and Infrastructure Driving secure development practices across the business Requirements: White-box and Black-box testingPenetrationTesting Cloud Security in GCP Secure Software Development (Go, Typescript) Ability to conduct in-depth Security Research If you're interested please get in touch ASAP More ❯
Wokingham, England, United Kingdom Hybrid/Remote Options
eTeam
We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. We have an excellent job opportunity for you. Role Title: Penetration Tester (CTM level) Location: Wokingham RG41 5BN | Hybrid - 3 office/2 home Duration: 30/06/2026 Description CONTRACTOR MUST HOLD ACTIVE SC CLEARANCE AND BE A SOLE … UK NATIONAL 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 that are present in an organisation's IT infrastructure, applications and networks through rigorous testing. … for maintaining an up-to-date knowledge of the ever-evolving threat landscape, adhering to ethical guidelines especially when handling sensitive data. In addition to strong technical skills, a penetration tester also needs to be able to demonstrate strong communication skills so complex findings can be described to non-technical stakeholders. Key Responsibilities Work as a professional, deliverable Technical More ❯
Wokingham, Berkshire, United Kingdom Hybrid/Remote Options
eTeam Workforce Limited
We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. We have an excellent job opportunity for you. Role Title: Penetration Tester (CTM level) Location: Wokingham RG41 5BN | Hybrid - 3 office/2 home Duration: 30/06/2026 Rate: 492£/day on umbrella Description CONTRACTOR MUST HOLD ACTIVE … SC CLEARANCE AND BE A SOLE UK NATIONAL 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 that are present in an organisation's IT infrastructure … for maintaining an up-to-date knowledge of the ever-evolving threat landscape, adhering to ethical guidelines especially when handling sensitive data. In addition to strong technical skills, a penetration tester also needs to be able to demonstrate strong communication skills so complex findings can be described to non-technical stakeholders. Key Responsibilities Work as a professional, deliverable Technical More ❯
detection/prevention systems (IDS/IPS), antivirus, anti-malware, SIEM (Security Information and Event Management), vulnerability scanners, and data encryption solutions. Manage vulnerability management programs, including regular scanning, penetrationtesting, and remediation of identified weaknesses. Lead and manage security incident response, including detection, analysis, containment, eradication, recovery, and post-incident review. Develop and maintain robust disaster recovery More ❯
and the remainder remote working, for an initial 6 month contract. *Due to the nature of the work, the client required active SC Clearance* *Inside IR35* 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 … for maintaining an up-to-date knowledge of the ever-evolving threat landscape, adhering to ethical guidelines especially when handling sensitive data. In addition to strong technical skills, a Penetration Tester also needs to be able to demonstrate strong communication skills so complex findings can be described to non-technical stakeholders. Key Responsibilities: - Conduct the full range of effective … organisation skills and ability to work in a pressurised environment whilst working towards and achieving deadlines. - Use of MS Office software such as Word, Excel, Powerpoint - Strong knowledge of penetrationtesting tools including (Burpsuite, Metasploit, Nmap) etc - Good knowledge of multiple Operating Systems (OS) including Windows &.NIX - Ability to configure network devices, Firewalls, IDS/IPS devices and More ❯
Our client is looking for a Penetration Tester to join their team on six month initial contract, working onsite three days a week in Wokingham and the rest remote. This role is working via umbrella and requires a candidate with an active SC clearance. Required skills, experience and personal attributes: Proven experience (2-3 years) in an IT security … pressurised environment whilst working towards and achieving deadlines. Use of MS Office software such as Word, Excel, Powerpoint The ability to travel to Capgemini customer locations. Strong knowledge of penetrationtesting tools including (Burpsuite, Metasploit, Nmap) etc Good knowledge of multiple Operating Systems (OS) including Windows &.NIX Ability to configure network devices, Firewalls, IDS/IPS devices and More ❯
Lead or support incident response activities: investigation, containment, eradication, recovery, and reporting. Conduct root cause analysis and implement security hardening improvements. Vulnerability & Risk Management Run regular vulnerability scans and penetrationtesting activities; track remediation of findings. Evaluate risks and recommend security enhancements or compensating controls. Maintain asset inventories and ensure patching and configuration baselines are followed. Security Governance More ❯
Portsmouth, England, United Kingdom Hybrid/Remote Options
Cloud People
customers across enterprise, public sector and fast growing scale ups. Its Security Practice protects clients through a powerful mix of Managed Detection and Response (MDR), Threat Hunting, Vulnerability Management, PenetrationTesting and Incident Response, supported by a world class Security Advisory function. As a Senior SOC Analyst, you will take a leading role in identifying, investigating and responding More ❯
home Duration: 30/06/2026 Rate: 500p/d via Umbrella Clearance: Contractor must hold active SC Clearance and be a sole UK National 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 … for maintaining an up-to-date knowledge of the ever-evolving threat landscape, adhering to ethical guidelines especially when handling sensitive data. In addition to strong technical skills, a penetration tester also needs to be able to demonstrate strong communication skills so complex findings can be described to non-technical stakeholders. Required skills, experience and personal attributes: Proven experience … organisation skills and ability to work in a pressurised environment whilst working towards and achieving deadlines. Use of MS Office software such as Word, Excel, Powerpoint Strong knowledge of penetrationtesting tools including (Burpsuite, Metasploit, Nmap) etc Good knowledge of multiple Operating Systems (OS) including Windows &.NIX Ability to configure network devices, Firewalls, IDS/IPS devices and More ❯
Portsmouth, England, United Kingdom Hybrid/Remote Options
Cloud People
services to customers across enterprise, public sector and fast growing scale ups. Its Security Practice protects clients through capabilities including Managed Detection and Response (MDR), Threat Hunting, Vulnerability Management, PenetrationTesting and Incident Response, supported by a consulting led Security Advisory practice. As a Senior Security Engineer, you will be responsible for designing, implementing and maintaining the tools More ❯
and processes Overseeing BAU security operations, ensuring services are delivered efficiently and in line with SLAs Leading activity across Threat & Vulnerability Management (TVM), PAM, IAM, DLP, Network Security and PenetrationTesting Managing outsourced security providers and holding them to account on performance Acting as SME for security improvement projects, aligned to ISO27001/NIST Managing security incidents, including More ❯
Milton Keynes, Buckinghamshire, South East, United Kingdom
Oscar Associates (UK) Limited
Manage security environments across Azure and AWS infrastructure. Lead incident response efforts and coordinate vulnerability remediation activities. Manage continuous security monitoring, alerting, and detection systems. Administer vulnerability management and penetrationtesting programs. Maintain strong identity, access, and privilege management controls. Compliance & Assurance (30%) Manage and maintain ISO 27001 certification and audit processes. Ensure ongoing compliance with PCI DSS More ❯
Reading, Berkshire, United Kingdom Hybrid/Remote Options
FSP Retail Team
and delivering exceptional results aligned with business priorities. Our commitment to security and quality is reinforced by our ISO27001 and ISO9001 certifications (UKAS), as well as our CREST approved penetrationtesting and SOC capabilities. Additionally, we are an IASME Cyber Essentials Certification Body and Cyber Essentials Plus certified. Find out more about our accolades here: Why work for More ❯
london, south east england, united kingdom Hybrid/Remote Options
WALT Labs
networking concepts such as software-defined networking, routing, virtual private networks, load balancers, and firewalls. Experience with security concepts such as encryption, identity management, access control, attack vectors, and penetration testing. Excellent presentation, communication, and interpersonal skills. Ability to travel to customer sites as needed. Benefits Medical, Dental, Vision PTO Pension Professional Development Macbook Laptop Remote work flexibility More ❯
AWS security best practices, including gap analysis, remediation planning, and architecture reviews to ensure "security by design" and "privacy by default" principles. Collaborate with external security partners to conduct penetrationtesting and manage results—removing false positives and translating validated findings into actionable improvements for engineering teams. Conduct and lead threat modeling activities to identify real-world attack More ❯
Reading, Berkshire, United Kingdom Hybrid/Remote Options
FSP Retail Team
exceptional results that are aligned with business priorities. Our commitment to security and quality is reinforced by our ISO27001 and ISO9001 certifications (UKAS), as well as our CREST approved penetrationtesting and SOC capabilities. Additionally, we are an IASME Cyber Essentials Certification Body and Cyber Essentials Plus certified. Find out more about our accolades here: Why work for More ❯