23 of 23 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 ...

Senior Cyber Security Risk Assessment Consultant

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540.00 per day
position is performing technical security risk assessments , translating identified risks into security requirements, reviewing and validating solution designs, and defining appropriate security testing requirements. This is not a SOC or purely operational security role. We are looking for experienced security professionals who can understand complex technical solutions, identify security … solutions. Translate security architecture, policies, risks and controls into clear functional and technical security requirements . Define and advise on the design, implementation and testing processes required to protect information systems and assets. Embed Secure by Design principles throughout the technology delivery lifecycle. Contribute to architectural and solution design ...

CTL/CTM Penetration Tester

Hiring Organisation
Layer7
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP 785 Daily
/CTM Penetration Tester Remote - With occasional travel to Manchester and Newcastle-Upon-Tyne Rate - £785 per day Outside IR35 Must have Valid SC About the Role We are seeking an experienced CTL/CTM Penetration Tester to join a large Public Sector client delivering high-assurance security … complex infrastructure, cloud, containerised, and enterprise environments, helping clients identify vulnerabilities and strengthen their security posture. You will be responsible for leading and delivering penetration testing engagements while providing expert guidance, coaching, and technical leadership to colleagues and clients. Essential Requirements/Certifications Cyber Scheme Team Leader (CSTL ...

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 ...

Mobile Application Security Engineer - London(hybrid) - Inside IR35

Hiring Organisation
iBSC
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
security programme, helping secure large-scale Android and iOS applications . Key Skills & Experience Strong Mobile Application Security experience Android & iOS security expertise Mobile penetration testing Threat modelling & mitigation techniques Hands-on mobile application security assessments Experience developing and maintaining penetration-testing tools and scripts … depth knowledge of mobile application security standards Understanding of authentication, authorisation, encryption and cryptography Exposure to DevSecOps, security automation and testing frameworks Strong experience with mobile security tools Experience researching emerging mobile security threats and technologies Key Responsibilities Assess and improve the security posture of mobile applications Conduct threat ...

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 ...

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 ...

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 ...

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 ...

DevOps Engineer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
manage the Dev, QA, Demo, Training and Production environments, including container configuration, environment variables and secrets. Build dedicated test environments for the testing team and maintain a performance testing environment. Restructure the Demo environment so testers can access the database. Maintain and test the disaster recovery model, including … failover, static fallback pages and Front Door routing during outages. Deliver outstanding platform hardening and act on penetration testing findings. Manage IAM, deployment permissions, DNS records and user offboarding within the subscription. Produce clear infrastructure documentation in line with governance controls. Essential Experience Strong hands-on Microsoft Azure ...

SC Cleared Vulnerability Management Consultant

Hiring Organisation
fortice
Location
Preston, Lancashire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 Daily
supports the maintenance of accurate reporting and audit evidence. This is a governance and coordination role and does not perform vulnerability scanning, security testing, patch deployment, or technical remediation activities. If you are successfully offered this position, you will go through a series of pre-employment checks, including identity … vulnerabilities Support reporting and governance activities Validate supplier information Maintain visibility of remediation progress Does Not Perform vulnerability scanning Deploy patches or fixes Conduct penetration testing Own technical remediation activities ...

Security Assurance Adviser

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day
ISNs) Knowledge of UK Government security standards, including: Government Security Policy Framework (SPF) NCSC Cloud Security Principles NCSC SaaS Security Principles Cyber Essentials CHECK Penetration Testing Scheme Familiarity with UK Government physical and personnel security requirements, including NPSA and UKSV. Experience conducting risk assessments using recognised methodologies such ...

Senior Azure DevOps Engineer

Hiring Organisation
ARCA Consulting Ltd
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
Demo, Training and Production environments and have experience managing cloud infrastructure in secure or regulated environments. Experience of tenant migration, platform hardening, penetration testing remediation and Azure migration programmes would be particularly useful. Contract details Hybrid working Up to 2 days per week in London or Leeds Candidates ...

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 ...

Security Architect

Hiring Organisation
Synergize Consulting Ltd
Location
Wiltshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
disconnected environments. Define and implement vulnerability scanning regimes and remediation processes. Advise on endpoint hardening, Firewall rules, ports, protocols and system security controls. Produce penetration testing scopes covering Back End platforms and endpoints. Produce and maintain formal technical documentation, including HLDs, LLDs, security architecture documentation and SOPs. Essential ...

Mobile Security Engineer

Hiring Organisation
Spencer Rose Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 35 Daily
clients mobile platform. The key aspect of this role is the design and delivery of a world-class security framework, including associated services (penetration testing, research, consultancy etc.). What we need from you/essential skills & experience: Experience of Mobile platform security, threat modelling and mitigation techniques … Capable of conducting regular reviews of our mobile application security posture using your hands-on experience. Develop and maintain pen-testing security tools, scripts, policies and procedures In depth knowledge of mobile app security standards (Android/iOS) Desirable knowledge & experience Familiarity with mobile development, DevSecOps tooling, testing ...

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 ...

Platform Engineer

Hiring Organisation
Tria
Location
Sunderland, Tyne and Wear, Tyne & Wear, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550/day Inside IR35
maintaining operational resilience within the Data Centre Services team. Key responsibilities: Support migration of datacentre-hosted workloads into Azure Assist with migration planning, build, testing, and production cutover activities Support landing zone, networking, and infrastructure configuration Review high-risk pen testing findings Define remediation plans and technical solutions ...