21 of 21 Contract Security Testing Jobs in England

AI Offensive Security Engineer - LLM & Penetration Testing

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract
Offensive Security Engineer - LLM & Penetration Testing - BANKING CLIENT - LONDON Location: London - Hybrid (8 days onsite per month) Contract: 12 months (initial) Day Rate: Competitive, depending on experience €500 - €800 per day IR35 Status: Inside IR35 - MUST USE UMBRELLA The Opportunity We are looking for a hands … Offensive Security Engineer to join the Offensive Security function of a leading global financial services organisation. This is an exciting opportunity to work at the intersection of Artificial Intelligence, Application Security and Ethical Hacking , helping to develop and operationalise AI-powered security testing capabilities. ...

Senior Cyber Security Engineer

Hiring Organisation
Morson Edge
Location
Cambridgeshire, East Anglia, United Kingdom
Employment Type
Contract
Senior Cyber Security Engineer/Cyber Assurance Lead Location: Chippenham (3 days per week onsite) Rate: £600 per day (Outside IR35) Contract Length: 12 Months The Opportunity We are seeking an experienced Senior Cyber Security Engineer/Cyber Assurance Lead to support the delivery of complex Operational Technology … critical infrastructure programmes. Working across the full project lifecycle, you will lead cyber assurance activities, drive security best practices, and ensure solutions are aligned to regulatory requirements and industry standards. This is an excellent opportunity for a cyber security professional with strong experience in security assurance, risk ...

Senior Cyber Security Engineer

Hiring Organisation
MPI Limited
Location
Chippenham, Wiltshire, United Kingdom
Employment Type
Contract
looking for a Senior Cyber Security Engineer (Assurance), for our client based in Chippenham Contract 12months Daily rate Outside IR35 Hybrid role Rail background is a must Overview As market leaders across rail, and logistics, the client is pursuing the goal of networking various transportation systems with one another … move people and goods efficiently - complete mobility! This role is for a Senior Cyber Security Engineer (Assurance) with both product & whole solution security expertise within an Operation Technology environment. The candidate shall be capable of technically specifying, leading, and consulting on Cyber Security related activities including architecture ...

Cyber Security Business Analyst - AI & Security Transformation

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Senior Cyber Security Business Analyst - AI & Security Transformation Location: London, UK Contract: 12 months (subject to confirmation) Rate:£600 - £800 per day (Inside of IR35) must use an Umbrella Working Arrangement: Hybrid Sector: Financial Services/Cybersecurity/AI Transformation The Opportunity We are looking for an experienced … Senior Cyber Security Business Analyst to join a major international financial services organisation undergoing an ambitious transformation of its cyber security capabilities. Working within the CISO function, you will play a pivotal role in shaping how emerging AI technologies are integrated into cyber security operations, particularly across ...

Software Engineer (Mobile Security)

Hiring Organisation
ARM
Location
Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £850/day Inside IR35 (Negotiable Market rate)
Software Engineer - Mobile Security 12-Month Contract Bristol (Hybrid - 2-3 days per week onsite) £500-£850 per day Inside IR35 - Rate determined by experience We're looking for Mobile Security Engineers to join a Digital Frameworks team responsible for building and maintaining the secure Android … experience. Key Requirements Commercial experience developing mobile applications using Kotlin/Android and/or Swift/iOS Strong understanding of mobile application security principles Experience implementing authentication, encryption and secure storage solutions Knowledge of secure coding practices and vulnerability remediation Experience developing reusable SDKs, frameworks or shared platform ...

Security Consultant (CHECK Team)

Hiring Organisation
Matchtech Mobility
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £580 per day
Security Consultant (CHECK Team) £580 per day | Inside IR35 (Umbrella) | Remote | Short-Term Contract We're currently looking for an experienced Security Consultant (CHECK 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 and vulnerability assessments across infrastructure, networks and applications Identify, analyse and document security vulnerabilities Produce clear technical reports and remediation recommendations Work closely with ...

Offensive Security Researcher

Hiring Organisation
Synergize Consulting Limited
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract
cleared Red Team Operator/Offensive Security Consultant Bristol HQ (3-4 days a week onsite) with travel to local sites Up to £86 p/h Inside IR35 Are you an experienced DV CLEARED Red Team Operator or Offensive Security Specialist looking for your next challenge … national security and defence? Were looking for a technically strong offensive security professional to deliver red team operations, adversary simulations and advanced security assessments within complex defence and government environments. This is an opportunity to use your expertise to simulate realistic cyber threats, identify vulnerabilities and help ...

Offensive Security Consultant

Hiring Organisation
Synergize Consulting Ltd
Location
Bristol, Somerset, United Kingdom
Employment Type
Contract
Contract Rate
GBP Hourly
cleared Red Team Operator/Offensive Security Consultant Bristol HQ (3-4 days a week onsite) with travel to local sites Up to £86 p/h Inside IR35 Are you an experienced DV CLEARED Red Team Operator or Offensive Security Specialist looking for your next challenge … national security and defence? We're looking for a technically strong offensive security professional to deliver red team operations, adversary simulations and advanced security assessments within complex defence and government environments. This is an opportunity to use your expertise to simulate realistic cyber threats, identify vulnerabilities ...

Security Engineering Consultant

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£550 - £650 per day
Security Engineer/Security Consultant (Application Security & Threat Modelling) Rate - £550 - £650 Outside IR35 Duration - 6 months initial Location - Bristol/London (once a week/remote) Role overview: A leading Financial Services is seeking an experienced Security Engineering Consultant on a contract basis. The successful … candidate will be embedded within engineering tribes, providing security consultancy and guidance to development teams throughout the software development lifecycle. The primary focus of the role is threat modelling. The consultant will conduct threat models for new and existing products, identify risks at the design stage and work with ...

Cyber Security Assurance Manager

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day
Cyber Security Assurance Manager Contract: 6 Months Location: London (1 day per week onsite/flexible) Day Rate: Competitive Start: ASAP We're supporting a large, international enterprise in the search for an experienced Cyber Security Assurance Manager to lead a cyber assurance and control effectiveness programme across … complex global environment. This is a senior second-line cyber security position, responsible for independently assessing the effectiveness of security controls, driving assurance activity, overseeing technical reviews, and providing risk-based insight to senior stakeholders. The successful contractor will lead a small team while acting as a trusted ...

Quality Engineer

Hiring Organisation
TXP
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
£460 - £461/day Inside IR35
initial 12-month contract. You will play a key role in shaping quality engineering practices across the team, designing and developing automated testing solutions while embedding modern approaches including TDD, BDD, shift-left testing and CI/CD . This is a hands-on role requiring strong Java … system tests using Playwright with Java Develop and maintain automated test scripts in Java across UI, API and system-level testing Read, understand and interpret Java unit tests, including JUnit , to support test analysis and defect investigation Apply TDD and BDD methodologies alongside risk-based testing approaches Support ...

Contract Quality Assurance Engineer

Hiring Organisation
Deerfoot Recruitment Solutions Limited
Location
Hounslow, London, United Kingdom
Employment Type
Contract
Contract Rate
£340 - £380/day
Managers, Business Analysts, Architects, Engineers, domain experts, and airline customers, validating complex workflows across multiple systems, integrations, and operational domains. If you want your testing to matter - safety, compliance, on-time performance - this is it. You'll also be encouraged to use AI-assisted tooling for test design, automation … quality reports Designing, implementing and maintaining automated tests that lift regression coverage and delivery efficiency Executing functional, integration, end-to-end, regression and exploratory testing Validating workflows, integrations, APIs and data flows across interconnected products and services Supporting CI/CD through automated testing and quality validation Investigating ...

AWS Technical Test Engineer - SC Cleared - Outside IR35

Hiring Organisation
NSD
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Contract
Automation position requires the candidates to work on client site in Newcastle 2 days a month. Skilled AWS Technical Test Engineer to work on testing across an extensive AWS tech stack. Should be confident in working independently, diagnosing technical issues, and efficiently troubleshooting complex problems. This role involves both … manual and potential automation testing, with a strong focus on test planning, cloud infrastructure validation, and client interaction. Key Responsibilities Conduct technical testing on AWS services using Databricks, Quantexa, Tableau, and Iron Mountain. Perform manual testing across AWS components, including S3, CloudWatch, VPC, Lambda, Athena ...

Cyber Security Delivery Manager

Hiring Organisation
Deerfoot Recruitment Solutions Limited
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
days on-site p/w in London Inside IR35 Contract Are you a Technical Delivery Manager who thrives on running several cyber security projects at once, from DLP to cloud monitoring and infrastructure replacement? We're recruiting for a contract Cybersecurity Technical Delivery Manager to join the project … banking and securities businesses, keeping them on scope, on time and within budget. What You'll Be Doing Managing the delivery of cyber security projects to agreed scope, cost and timescale Translating regulatory requirements and best practice into business-aligned cyber programme requirements Producing charters, roadmaps, status reports, schedules ...

Cyber Security Delivery Manager

Hiring Organisation
Deerfoot Recruitment Solutions Limited
Location
City of London, London, Coleman Street, United Kingdom
Employment Type
Contract
days on-site p/w in London Inside IR35 Contract Are you a Technical Delivery Manager who thrives on running several cyber security projects at once, from DLP to cloud monitoring and infrastructure replacement? We're recruiting for a contract Cybersecurity Technical Delivery Manager to join the project … banking and securities businesses, keeping them on scope, on time and within budget. What You'll Be Doing Managing the delivery of cyber security projects to agreed scope, cost and timescale Translating regulatory requirements and best practice into business-aligned cyber programme requirements Producing charters, roadmaps, status reports, schedules ...

Red Team Consultant

Hiring Organisation
ARM
Location
Bristol, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
/h (Inside IR35) Please note that due to the nature of the work, you will need to hold active DV security clearance. Responsibilities: Deliver threat-led security assessments, adversary emulation and red team activities within complex defence and government environment Support the design, provisioning and maintenance … used during red team and adversary simulation activities. Produce high-quality technical documentation, reports and operational procedures. Work closely with customers, project teams and security stakeholders to scope activities, communicate findings and support the successful delivery of engagements The deployment and management of security tooling, cloud-based environments ...

Security Operations Implementation Consultant

Hiring Organisation
Exceed Cyber limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£800 - £900/day
Security Operations Implementation Planning Consultant Rate: £800–£900 per day Inside IR35 Duration: ASAP start - Initially until 31 March 2027, with potential extensions Location: London - 1 day per week onsite, remainder remote Clearance: Active SC clearance required Overview We are supporting a specialist Security Consultancy delivering a major … security transformation programme for a UK Government Department. We are seeking an experienced Security Operations Implementation Planning Consultant to translate high-level SecOps transition strategies into detailed, actionable implementation plans across multiple security services. This role requires a strong understanding of enterprise Security Operations, combined with ...

Technical Lead - C#, RESTful APIs

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Leeds, West Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£480 - £500/day
/CD and Terraform . Technical architecture and design decision-making. AI-assisted development , including GitHub Copilot and coding agents. Secure development, automated testing, observability and production support. Experience with technical risk, delivery, mentoring and stakeholder management. Strong communication and collaboration skills. Hands-on approach with the ability … lead and mentor engineering teams. Desirable Docker/containerisation. Azure API Management. Cloud-native architecture. Contract, performance, resilience and security testing. Legacy modernisation within regulated environments. NHS digital standards and secure service delivery. Keywords: C# | .NET | Azure | Terraform | GitHub Actions | CI/CD | REST APIs | Microservices | Distributed Systems | Docker ...

Change, Release & Service Introduction Manager - Defence

Hiring Organisation
ARM
Location
Reading, Oxfordshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
experienced Change, Release & Service Introduction Manager to own and govern the Change Enablement, Release Management and Service Introduction processes across a complex, multi-supplier, security-conscious environment. You will ensure that production changes, releases and new services are assessed, authorised, implemented and transitioned into live operation safely and effectively. … Working across technical teams, suppliers, service delivery, security and operations functions, you will balance the need for agility with the need for service stability, compliance and operational control. Key Responsibilities Own and continuously improve the Change Enablement process and governance framework. Chair CAB and Emergency CAB meetings, facilitating risk ...

QA Test Infrastructure Engineer Outside IR35 - MOD/Defence

Hiring Organisation
Talent Locker
Location
Somerset, South West, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600 per day
Infrastructure Engineer Test Engineer - DV Cleared- Contract - MOD/Defence Somerset| £600 per day + Expenses | Outside IR35 | DV Security Clearance Required Are you an Infrastructure Test Engineer with strong QA and testing experience across networks, platforms and Infrastructure as Code? This is an opportunity to work … complex Defence and National Security projects, taking responsibility for testing and validating infrastructure before deployment into highly secure production environments. Working alongside Infrastructure Engineers, Architects and DevSecOps specialists, you'll assure infrastructure across physical, virtualised and cloud environments, ensuring it meets the required standards for functionality, resilience ...

SC Cleared Penetration Tester, Outside IR35, 6 Months

Hiring Organisation
Tria
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day Outside IR35
Penetration Tester £600 - £700 A Day Outside IR35 6 Months Remote (Occasional Manchester travel) We are looking for a security cleared penetration tester to support a public sector customer to deliver high-assurance security testing. The role offers the opportunity to work on complex infrastructure, cloud, containerised … 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. Required experience: Strong Cloud Pen testing experience, ideally AWS Exposure to container tools ...