101 to 109 of 109 Security Testing Jobs in England

Python Engineer

Hiring Organisation
Ncounter
Location
London, UK
Employment Type
Full-time
limitsExplore agentic workflows and LLM orchestration using LangChain or similar frameworksWork with consultants and customer stakeholders to translate operational problems into practical AI solutionsImprove security, testing, observability and reliability across deployed applicationsWhat we're looking for:5+ years' commercial Python engineering experience, including production backend systemsStrong FastAPI, REST ...

Backend Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
workflows, data sources, and decision-making processes more efficiently. Operating within a high-growth environment, they combine advanced AI capabilities with enterprise-grade reliability, security, and compliance. Their engineering team is highly collaborative, with a strong focus on product quality, innovation, and ownership. They are investing heavily in technology … native technologies. Develop APIs, workflow services and data platforms that support AI-powered products. Build and optimise multi-tenant systems with a focus on security, reliability and auditability. Work closely with engineering teams to integrate backend systems with AI and machine learning services. Improve observability through monitoring, logging, testing ...

Marketing Assistant Apprentice

Hiring Organisation
Red Helix
Location
Phoenix House Smeaton Close, Rabans Lane, Aylesbury Bucks, England, United Kingdom
Employment Type
Higher Apprenticeship
Salary
£25,000 a year
Date Monday, 23rd November 2026 Desired Skills Communication skills IT skills Attention to detail Organisation skills Administrative skills Team working Initiative Interest in cyber security Qualifications Maths and English GCSE, grade C/4 (Essential) Degree in Business, Communications or Discursive s Degree, grade Pass (Desired) About the Employer … Helix Red Helix is a trusted UK technology and cyber security partner that has been engineering secure, high-performance networks since 1984. For over forty years, we have helped protect and optimise the systems that keep the UK’s infrastructure and economy running. Our Technology Solutions team helps organisations ...

Data Architect (8 Month FTC)

Hiring Organisation
Hackajob Ltd
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent
engineering problem-solving. Key Responsibilities & Skills Data Architecture & Strategy: Define and evolve data strategy, architecture principles, standards and target-state roadmaps, balancing scalability, resilience, security, cost and delivery speed. Cloud-Native & Distributed Systems: Deep expertise in microservices, domain-driven design (DDD), bounded contexts, data ownership, event-driven integration, eventual … Hands-on experience designing and operating Kafka, Kinesis or equivalent platforms, including partitioning, ordering, event contracts, schema evolution, idempotency, replay, delivery guarantees, fault tolerance, security and operational support. Data Modelling & Storage: Strong data modelling skills and the ability to select appropriate data storesincluding relational, NoSQL, graph, time-series, distributed ...

Senior Backend Software Engineer

Hiring Organisation
Wise
Location
London, UK
Employment Type
Full-time
design systems with a longer-term approach, using patterns that allow safe iteration and scaling. Accountability within your team for the availability, reliability, and security of the systems you build. Good judgement in balancing speed, scalability, and risk, with resilience and safety in mind. Ability to address technical debt … pragmatically and plan work within an appropriate risk appetite. Commitment to engineering best practices across observability, security, testing, and responsible data and event usage. Ownership and product mindsetOwnership of technical deliverables across projects from design through production. Ability to explain why something is being built, what partner ...

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 ...

IT Change Analyst

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
decisions, actions, approvals and exceptions are clearly recorded and communicated. * Review requests for change for quality, completeness and proportionate governance, including business impact, dependencies, security, testing, communications, implementation, validation and rollback arrangements. * Provide practical guidance and constructive challenge to change owners and approvers so that risks, conflicts, resource ...

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 ...

Technical Lead - C#, RESTful APIs

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
City, Leeds, United Kingdom
Employment Type
Contract
Contract Rate
GBP 480 - 500 Daily
/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. ...