19 of 19 Contract Penetration Testing Jobs

Lead Penetration Tester

Hiring Organisation
Morson Edge
Location
United Kingdom
Employment Type
Contract
Lead Penetration Tester Contract: Initial 6 months Day Rate: £700–£800 per day IR35: Inside IR35 1 day per month on site, either Chesterfield or London. About the Role We are looking for an experienced Lead Penetration Tester to take ownership of the end-to-end penetration testing process across applications, infrastructure and wider technology environments. This is a hands-on role combining penetration testing expertise with the coordination and oversight of testing engagements, third-party suppliers, vulnerability remediation and security findings. You will be responsible for ensuring tests are appropriately scoped ...

Infrastructure Engineer

Hiring Organisation
Data Careers
Location
Oxfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£500 - £650 per day
local governance standards. Provision virtual infrastructure to host the two monitoring applications. Design and implement a Microsoft-based Certificate Authority and PKI solution. Support penetration testing and remediation activities as required. Provide comprehensive technical documentation relating to this package for pre-approvals, testing and handover along … estate, upgrading systems where required and applying security updates and patches. All new configuration to reflect Microsoft best practise and local governance requirements. Migration testing and service validation with stakeholder engagement. Provide any documentation and knowledge transfer that would assist with the maintenance and/or understanding ...

Test Engineer (Automation)

Hiring Organisation
Pearson Whiffin IT & Digital
Location
Swindon, Wiltshire, South West, United Kingdom
Employment Type
Contract
hands-on test automation, network validation and service assurance across complex deployment and migration activities. 3 days per week onsite taking ownership of automated testing and validation throughout the change lifecycle, helping ensure deployments are secure, stable and ready to progress into production. Key responsibilities include: Designing, developing … deployments only progress when defined validation criteria are met Developing and maintaining pyATS-based validation suites to verify network state, configuration and behaviour Conducting penetration testing and vulnerability assessments ahead of go-live Supporting Root Cause Analysis (RCA) across network, platform, performance and functional issues Producing structured test ...

Security Consultant (CHECK Team)

Hiring Organisation
Matchtech
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£580/day
Team) to join a client on a short-term contract basis. This is an excellent opportunity for a hands-on security professional with strong penetration testing experience to support a variety of security assessment activities across enterprise systems and applications. Key Responsibilities Conduct penetration testing … technical reports and remediation recommendations Work closely with technical and project teams to improve security posture Support risk assessments and security assurance activities Ensure testing activities align with industry standards and best practices Essential Skills & Experience Demonstrable experience delivering penetration testing engagements Strong understanding of infrastructure, network ...

Cyber Security Consultant

Hiring Organisation
Sanderson Recruitment
Location
Scotland, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£350 - £390 per day
storage, networks and virtualisation, helping to protect critical systems. It's a hands-on assurance role combining technically advanced security assessments, ethical hacking and penetration testing with risk management, remediation planning and senior stakeholder engagement. You will advise complex projects on security requirements, translate technical findings into clear … with project teams, senior management and stakeholders, providing security briefings, technical guidance and input into system requirements. Plan and lead technically advanced security assessments, testing and reporting within agreed governance and timescales. Perform ethical hacking and penetration testing against internal systems using tools such as Kali Linux ...

Product Security Engineer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Luton, Bedfordshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 80 - 90 Hourly
with relevant security frameworks. Work collaboratively with external security authorities, including the NCSC , where required to support security assurance. Manage security activities across development, testing and manufacturing environments. Advise engineering teams on platform lockdown, secure configuration and security hardening. Support penetration testing activities, analyse findings and develop … This will include: Security risk assessments. Risk mitigation planning. Security requirements definition. Security cases and assurance documentation. Mitigation gap analysis. Security verification and testing. Penetration testing support and remediation. Engagement with customer security authorities and risk owners. Demonstrating compliance against applicable UK, NATO and international security frameworks. Product ...

Penetration Tester

Hiring Organisation
Anthony James Consulting
Location
Brighton, Sussex, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Contract Penetration Tester - Web Application Location: Brighton/UK-based Engagement: Contract Independent testers and specialist security firms welcome We're looking for an experienced penetration tester or specialist security testing firm to conduct an independent penetration test of a Laravel/PHP web application with … significant API component. Scope The engagement will cover: Web application penetration testing API security testing Authentication and authorisation Infrastructure and cloud configuration Identification and exploitation of relevant vulnerabilities Clear, actionable remediation recommendations Retesting following remediation Required Crest CRT/CCT or OSCP Crest CHECK status ...

Lead Product Security Engineer

Hiring Organisation
Morson Edge
Location
Luton, Bedfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£92.50 - 92.50 per hour
development and assurance. Define and derive product security requirements , working directly with engineering teams on their implementation. Provide security advice throughout product design, development, testing and manufacturing. Produce technical assurance artefacts including Security Cases, Security Operating Procedures, Testing Security Instructions and Key Management Plans . Liaise with internal … security authorities, including the NCSC, to support assurance of security solutions. Advise engineering teams on platform lockdown, configuration and appropriate product security controls. Support penetration testing, analyse findings and develop appropriate remediation plans. Manage through-life security activities including vulnerability management, patch management and obsolescence planning . Support ...

Security Engineer

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
evolving environment. You'll play a key role in strengthening the organisation's cyber security capabilities while helping prepare the environment for an upcoming penetration test programme over the next 3-6 months. The team are looking for someone who can work autonomously, identify potential weaknesses before they become … Microsoft security ecosystem. Identify security gaps and drive remediation activities to improve overall security posture. Support the preparation, coordination and remediation of external penetration testing engagements. Implement and manage identity, access management and privileged access controls. Configure and maintain Conditional Access, RBAC and Privileged Identity Management controls. Improve ...

Senior Security Architect (Active SC Clearance)

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£550 - £600 per day + Outside IR35
security design reviews. Identifying security risks and recommending effective mitigation strategies. Supporting cloud-first solutions across Azure and wider multi-cloud environments. Reviewing penetration testing and IT Health Check outcomes and developing remediation plans. Working closely with engineering, assurance and risk teams to validate security controls. Producing high … Identity & Access Management. Experience securing cloud-native and microservices-based architectures. Strong background in threat modelling, risk analysis and security assurance. Experience supporting penetration testing and control effectiveness reviews. Desirable Certifications CISSP CISM SABSA TOGAF Azure Solutions Architect Reasonable Adjustments: Respect and equality are core values to us. ...

Supplier Assurance Lead

Hiring Organisation
Morson Edge
Location
Greater Manchester, North West, United Kingdom
Employment Type
Contract
Party Risk Management or Supplier Assurance. Proven experience performing supplier assurance reviews and third-party cyber security assessments. Experience reviewing supplier security evidence including penetration testing reports, certifications, audit findings and assurance documentation. Strong understanding of supplier risk management and third-party cyber security risk. Experience assessing technical … cyber security assessments of prospective and existing suppliers using publicly available information, supplier-provided evidence and specialist assurance tooling. Assess supplier security documentation including penetration testing reports, certifications, audit reports, SOC reports and other assurance evidence. Manage the cyber security supplier assurance process, including assessment tracking, reporting, governance ...

Senior Business Banking Solutions Specialist

Hiring Organisation
LJ Recruitment Limited
Location
Harrow, London, United Kingdom
Employment Type
Contract
Contract Rate
£80,000
business banking channel . This is a hands-on banking technology delivery role, responsible for taking the implementation from design and build through integration, testing, security assurance, customer migration, staged rollout, full release and transition into BAU. The new digital banking channel will be based on Temenos Digital , integrated … critical path, dependencies, milestones and delivery risks through to go-live. Lead the project through all key stage gates, including: Design Build Integration testing SIT UAT Security testing Pilot Staged customer rollout Full production release Hypercare and BAU transition Own the end-to-end integration between the digital ...

Penetration Tester - Remote EU

Hiring Organisation
The Recruitment Company
Location
Dublin, City of Dublin, Republic of Ireland
Employment Type
Contract
Contract Rate
£45000 - £65000/annum
Penetration Tester – Remote EU €45-65k plus benefits **Please note that this role can sit anywhere within the EU, but you must have permission to work in the EU** We have partnered with one of Irelands leading cyber security companies and are assisting in the search … Penetration Tester. The company have a bespoke platform that combines automated vulnerability scanning with expert validation exposing vulnerabilities across networks, applications, APIs and cloud assets. They are seeking a strong penetration tester that doesn’t just rely on using automated tooling to find vulnerabilities but thrives in manual ...

Security Architect - (Active SC Clearance Required)

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£500 - £550 per day + Outside IR35
risk appetite. Support the deployment of cloud-based services, predominantly within Azure environments. Work with technical teams to validate security control effectiveness. Assist with penetration testing and IT Health Check scoping activities. Review security findings and provide practical remediation guidance. Contribute to security standards, patterns and architecture documentation. … Azure security services, identity management and cloud-native security controls. Exposure to threat modelling and risk assessment methodologies. Understanding of security assurance and controls testing activities. Excellent stakeholder engagement and communication skills. Desirable Skills & Certifications CISSP, CISM, SABSA or TOGAF Azure or AWS cloud certifications Knowledge of PKI, Encryption ...

Senior AI Security Consultant

Hiring Organisation
Computershare flexible Talent
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract
Assess and advise on risks relating to LLMs, Agentic AI, RAG architectures, prompt injection, data poisoning, model theft, and AI supply chain threats. Define penetration testing scope and collaborate closely with testing teams to validate security controls and remediation activities. Act as a trusted security advisor ...

Threat Modelling Engineer

Hiring Organisation
Damia Group Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500/day
with minimal supervision while maintaining a consistently high standard of delivery. Collaborate with engineering, architecture, DevOps and Cyber Security teams. Support or participate in penetration testing activities where required. Design and review technical architectures from a security perspective. Essential Technical Skills & Experience You should have 6 + years … security and secure cloud architecture. Technical architecture design and review. Strong programming skills, particularly Python , including asynchronous programming. FastAPI - essential . Pytest/unit testing - essential . Experience developing and maintaining software in line with security standards and SDLC processes. Experience with technologies such as Snowflake, MongoDB, Terraform Cloud ...

Security Architect - DV Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Corsham, Wiltshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £555/day
NCSC, JSP and NIST security standards. Develop vulnerability management processes, security assurance activities, and accreditation documentation. Produce HLDs, LLDs, security documentation, SOPs, and penetration testing scope. Collaborate with infrastructure and security teams to deliver secure, compliant solutions. Skills & Experience Proven Security Architect or senior Security SME experience within ...

Senior C# IAM Developer - Auth0, CIAM, AWS - Outside IR35

Hiring Organisation
Smart Sourcer Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £700 to £750 per day
review threat models for distributed systems Comfortable working in high-autonomy, high-ownership environments Bonus: experience with Terraform, CI/CD security, or penetration testing Why Join Us: Work on a greenfield platform where security is a first-class concern, not an afterthought High-impact role with architectural ...

Cloud Infrastructure Engineer (Azure & Data Centre Migration)

Hiring Organisation
Tria
Location
Sunderland, Tyne and Wear, Tyne & Wear, United Kingdom
Employment Type
Contract
drive the cloud and data centre migration activities. This will include: Supporting migration of datacentre-hosted workloads into Azure, assisting with planning, build, testing and production cutover activities Support landing zone, networking and infrastructure configuration Assist with application and server migration activities Support supplier engagement and technical validation activities. … Review and remediation of high-priority vulnerabilities identified through pen testing activity Implement remediation activities across server and infrastructure platforms Validate controls through testing and evidence collection The successful Cloud Infrastructure Engineer will have the following skills: Azure Cloud (IaaS/PaaS, networking, identity, monitoring). Infrastructure ...