25 of 25 Penetration Testing Jobs in the South East

Sales Development Manager

Hiring Organisation
Rootshell Security
Location
Basingstoke, England, United Kingdom
Territory: UK & US Salary: £55,000 – £80,000 base + commission About Rootshell Security Rootshell Security helps organisations move beyond traditional, point-in-time penetration testing and static reports into a continuous security programme that evolves alongside modern environments and threats. We combine expert-led penetration testing with technology to deliver ongoing visibility, testing, and improvement — helping our customers stay secure as their attack surface changes. The Role We’re looking for a Sales Development Manager to build and lead a high-performing SDR function from the ground up. This is a leadership role ideally ...

Cyber Security Analyst / Operations Engineer

Hiring Organisation
IT Graduate Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 per annum
Support general IT administration and systems management tasks Work closely with internal technical teams on security operations initiatives Gain exposure to SOC operations and penetration testing activities What We’re Looking For Degree in Computer Science, Cyber Security, Information Technology, or a related field Strong understanding of networking … Essential) Previous experience in IT support, cybersecurity, or systems administration Certifications such as CompTIA Security+ or Network+ Exposure to SOC environments, security monitoring, or penetration testing Experience in a client-facing technical role Understanding of endpoint security, vulnerability management, or threat detection tools Why Join Career Development – Opportunity ...

Cyber Security Consultant (UK) - Dionach by Nomios

Hiring Organisation
Jobleads-UK
Location
Oxford, England, United Kingdom
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. … needs. The salary band advertised for this role is £40,000 to £65,000 per annum, depending on experience. What You’ll Do Conduct penetration tests across various environments, including web applications, APIs, Cloud, and network infrastructure. Issue detailed reports outlining findings, risks, and recommendations for remediation. Translate complex ...

Senior Security Engineer

Hiring Organisation
Taylor James Resourcing
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £95,000 per annum
implement and maintain robust security systems and protocols across the IT infrastructure. You will conduct risk assessments and vulnerability scans, mitigate vulnerabilities identified in penetration testing, and implement preventative measures to protect against cyber threats. You will monitor the security infrastructure and detect and respond to potential threats. … SSO.* Manage MDM\MAM and Conditional Access* Manage security certificates and keys.* Deliver Cyber Security Awareness Training* Remediate vulnerabilities and weaknesses identified during penetration testing.Experience - EssentialThe successful candidate will have a good working knowledge and experience in managing the majority of the following technology stack * CrowdStrike EDR* Mimecast Mail ...

Security Architect

Hiring Organisation
Yolk Recruitment Limited
Location
Andover, Hampshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£800.00 - £900.00 per day
security architecture reviews for critical systems and services. Develop and maintain security reference architectures, standards, principles, and best practices. Support IT Health Checks (ITHC), penetration testing exercises, and remediation activities. Provide technical security leadership and governance across development, integration, and delivery teams. Work with customers, stakeholders, and accreditors … Cloud Security Principles, and GDPR. Strong understanding of authentication and authorisation technologies including SAML, OAuth2, OpenID Connect, Active Directory, ADFS, and LDAP. Experience supporting penetration testing, vulnerability remediation, and IT Health Check activities. Experience working with multidisciplinary Agile delivery teams across complex technical programmes. Ability to engage with ...

Senior Penetration Tester

Hiring Organisation
VIQU IT
Location
Horsham, West Sussex, United Kingdom
Employment Type
Permanent
Salary
£70000 - £80000/annum
Senior Penetration Tester Horsham – Hybrid – Permanent Competitive salary VIQU has partnered with a leading organisation to recruit a Senior Penetration Tester to play a critical role in protecting business assets through the delivery of advanced offensive security services. This Senior Penetration Tester position offers the opportunity … helping translate business risk into actionable security improvements within a mature Cyber Defence function. Key Responsibilities: • Lead the scoping, planning, and delivery of complex penetration tests across networks, applications, cloud, and emerging technologies • Conduct advanced offensive security assessments, identifying and exploiting vulnerabilities with clear remediation guidance • Collaborate with defensive ...

Security Architect (DevSecOps)

Hiring Organisation
Pontoon
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£750 - £800 per day
security issue, do so. Facilitate risk remediation but also challenge decisions and status-quo. Facilitate in assurance activities like penetration testing, purple testing, app assurance. Build quarterly/monthly roadmaps for security activities and plan them. You will need To excel in this position, we expect ...

Senior Penetration Tester/ Security Consultant

Hiring Organisation
VIQU IT
Location
Horsham, West Sussex, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum
Senior Penetration Tester £90,000-£95,000 Horsham (3 days a week onsite) VIQU are supporting a leading organisation in seeking an experienced Senior Penetration Tester to join its growing Cyber Security function. As a Senior Penetration Tester, you will lead and deliver complex security assessments across … networks, applications, cloud environments, and emerging technologies. Key Responsibilities Lead the scoping, planning, and execution of advanced penetration tests across web, network, cloud, and enterprise systems Conduct offensive security assessments to identify, validate, and exploit vulnerabilities while providing actionable remediation guidance Design and support purple team exercises to enhance ...

Senior Cyber Security Engineer, DevSecOps, Secure Coding, Cloud Security, COR7555

Hiring Organisation
Corriculo Ltd
Location
Oxford, Oxfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
SDLC) practices• Experience working closely with software engineering/development teams• Strong cloud security knowledge across AWS, Azure or GCP• Experience with vulnerability management, penetration testing or application security testing• Good knowledge of security frameworks such as ISO27001, NIST and ideally exposure to NIS2• Any experience with ...

Senior Cyber Security Engineer

Hiring Organisation
Proactive Appointments
Location
Reading, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
hardening projects to protect our client's IT infrastructure, networks, and data. RESPONSIBILITIES Provide expert technical security guidance covering IT assets, change control, security testing, secure systems design, and security controls Own and develop the vulnerability management programme, with a focus on application security testing, web application firewalls … market reviews, supplier assessments, and client security questionnaires ESSENTIAL REQUIREMENTS Right to work in the UK Strong experience in web application security, vulnerability management, penetration testing, and hardening IT systems Experience with cloud hosting, cloud migration, application testing, and working with developers to improve security Solid knowledge ...

Cyber Security Engineer

Hiring Organisation
Transact
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 per annum
wide range of security technologies within a large and complex environment (anti-malware/EDR, SIEM solutions, vulnerability scanners, patch management, CASB, DLP, penetration testing tools, etc.) Knowledge of TCP/IP and related network protocols: knowledge of standard network protocols like TCP, ARP, ICMP, DHCP, DNS, HTTP ...

Mandarin speaking Information Security Manager (Banking)

Hiring Organisation
People First
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Security Monitoring Oversee cyber security measures including vulnerability management, access control, security monitoring and incident detection. Ensure regular vulnerability assessments, security reviews and penetration testing are conducted. Incident Management Establish and maintain procedures for managing information security incidents. Coordinate investigation, response and reporting of cyber security incidents. Operational ...

Cyber Security Delivery Manager

Hiring Organisation
Oscar Associates (UK) Limited
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
Clearance) Self-motivated, decisive, and comfortable operating with a high degree of autonomy Desired but not essential: Experience across multiple disciplines such as GRC, penetration testing, SOC, cloud security, or OT security Familiarity with frameworks including NIST, ISO 27001, CAF, or Cyber Essentials Experience working with government, defence ...

Security Analyst

Hiring Organisation
Franklin Fitch
Location
Hampshire, England, United Kingdom
large enterprise and public sector environments. Our security function supports clients through capabilities such as Managed Detection and Response (MDR), threat hunting, vulnerability management, penetration testing, and incident response, alongside advisory-led consulting engagements. The organization is experiencing strong growth and continues to invest in its people, platforms ...

OT Analyst/Technician

Hiring Organisation
Centrica - CHP
Location
Windsor, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
routine health checks, maintenance, and configuration validation in line with Security Operations processes. Contribute to OT risk, compliance, and audit activities, including risk reviews, penetration testing, regulatory evidence preparation, and validation of remediation actions against standards such as NIS and ISO 27001. Maintain accurate OT asset, patch, backup … connectivity, including network configurations and vendor remote access, monitoring sessions, escalating anomalies, and supporting vendor assessments. Maintain OT cybersecurity documentation and registers, support resilience testing and recovery drills, assist with tooling and process improvements, and contribute to OT security awareness and training activities. What we need from you Experience ...

Head of Cyber Defend / CERT

Hiring Organisation
Prime Personnel
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
incidents in real-time. Collaborate with teams to conduct incident investigations and develop response plans. Lead proactive threat hunting initiatives. Manage vulnerability assessments and penetration testing programs. Develop and maintain threat intelligence capabilities. Essential experience includes: Extensive experience in managing cyber security teams and programs. In-depth knowledge ...

Application Security Consultant

Hiring Organisation
INTEC SELECT LIMITED
Location
Iver, Buckinghamshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £525 per day
design reviews• Support the implementation of secure SDLC/SSDLC practices• Provide guidance on application security controls and remediation activities• Manage and support application penetration testing activities• Work closely with development and project teams on secure design principles• Support technical security auditing and mitigation tracking ...

Junior Cyber Security Consultant - Remote/Hybrid Growth

Hiring Organisation
Jobleads-UK
Location
Oxford, England, United Kingdom
technologies and delivering presentations to stakeholders. Candidates should have a relevant degree or a year of minimum experience in cyber security, with experience in penetration testing tools and strong communication skills. The position offers flexibility to work remotely or in hybrid arrangements in Scotland. #J-18808-Ljbffr ...

Senior Cyber Security & Network Analyst

Hiring Organisation
Morgan McKinley (South West)
Location
Epsom, Surrey, United Kingdom
Employment Type
Permanent
supporting L2/3 Cisco Nexus switching frameworks and Aruba Wi-Fi environments. Solid understanding of Network Load Balancing mechanisms and coordinating third-party Penetration Testing. Strong secondary expertise in Cyber Security, specifically administering Palo Alto Firewalls alongside their advanced next-gen service suites. Background utilizing Qualys Vulnerability Management ...

Senior Cyber Security & Network Analyst

Hiring Organisation
Proactive.IT Appointments Ltd
Location
Epsom, England, United Kingdom
Cyber security analysis, tools & best practices L2/L3 network infrastructure implementation & support Qualys Vulnerability Management Aruba WiFi Cisco Nexus switching Network load balancing Penetration testing coordination (3rd party) Incident management Data security Ideal background: 5–7+ years’ experience in Network Engineering Strong cyber security exposure Proven experience ...

Senior Cyber Security & Network Analyst

Hiring Organisation
Proactive Appointments
Location
Epsom, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
implementing, supporting and developing L2/3 network infrastructure Qualys Vulnerability Management Aruba Wifi L2/3 switching – Cisco Nexus Network Load balancing Penetration Testing (3rd Party) Incident management Data Security Senior Cyber Security & Network Analyst – Hybrid Due to the volume of applications received for positions, it will ...

Senior Security Researcher

Hiring Organisation
Xact Placements Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £95,000 per annum
Offensive Security Researcher/Security Consultant | Elite Cybersecurity Scale-Up | Fully Remote (Global) Ready to take your offensive security skills to the next level? This is your chance to join a fast-scaling cybersecurity innovator ...

Senior Security Consultant

Hiring Organisation
Xact Placements Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £95,000 per annum
Offensive Security Researcher/Security Consultant | Elite Cybersecurity Scale-Up | Fully Remote (Global) Ready to take your offensive security skills to the next level? This is your chance to join a fast-scaling cybersecurity innovator ...

Penetration Tester - Remote/Hybrid with Certification Growth

Hiring Organisation
Jobleads-UK
Location
Oxford, England, United Kingdom
Nomios is seeking an experienced penetration tester to conduct tests on web applications, APIs, and network infrastructure. The role offers flexibility to work remotely or from the Oxford office, with responsibilities including detailed reporting, stakeholder communication, and staying updated on security trends. Candidates should have relevant certifications … least two years of experience in penetration testing. The salary range is between £40,000 to £65,000 per annum depending on experience. #J-18808-Ljbffr ...

Voice AI Technical Lead

Hiring Organisation
Vallum Associates Limited
Location
Windsor, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £600 per day
down into well-understood units of work. Raise the engineering bar across the team introduce and enforce best practice for prompt engineering, evals, regression testing, latency budgeting, observability, CI/CD and release management for LLM-driven systems through code review, pairing, internal guilds, brown-bags and written playbooks. … Build the evaluation and test harness that every voice agent is measured against automated scenario coverage, regression suites, latency and load testing, live call replay so we know objectively whether each release is better than the last. Integrate voice agents cleanly with our contact-centre platform, CRM, billing, knowledge ...