IT - Administration jobs in the United Kingdom

Tide seeks a Staff Product Security Engineer to lead AppSec across mobile and cloud-native apps. You'll threat model, hunt vulnerabilities, and guide secure design. Competitive salary, health insurance, and £1,000 L&D budget.

Join Methods as a Service Desk Analyst in the UK, resolving incidents and supporting users across multiple channels. Requires strong analytical skills, customer focus, and broad IT knowledge.

Join H as an Infrastructure Engineer in London to scale Kubernetes clusters, build secure auth systems, and drive our AWS migration to an environment-agnostic platform. Requires Python or Go, CNIs like Cilium, and GPU tooling experience.

Join Omnea as a Platform Security Engineer in London, owning the security roadmap, tooling and compliance programs. Requires AWS, TypeScript, CI/CD and IaC expertise with a builder mindset.

Lead incident response at Fluidstack in London, owning major security incidents from first alert to resolution. Build detection logic, response playbooks, and digital forensics across cloud, endpoint, and network evidence.

Join ASOS as a Security Specialist (SOC & IR) in London. Monitor threats, triage alerts, and drive incident response using Microsoft security tools. Enjoy private medical care, employee discounts, and continuous learning opportunities.

Join NBCUniversal in London as an IT Workplace Operations Intern for a 12-month paid placement. Gain hands-on experience in technical support, project management, and vendor management while enjoying exclusive perks and discounts.

Join Immersive One as a Cyber Security Engineer (GRC) and build security labs, challenges and learning content for a leading cyber resilience platform. Remote, UK only. Requires deep GRC, NIST, ISO 27001 and SOC 2 expertise.

Senior Infrastructure Engineer role at Reactive Markets, a top OTC trading platform. Remote UK-based, you'll run low-latency networking, colocation sites and AWS connectivity for a $75B daily volume network. Requires 4+ years in HFT or exchange infrastructure.

Teya seeks a Principal Security Engineer in London to lead SSDLC transformation and embed AppSec practices across engineering. Deep application security expertise and an attacker mindset required.

Lead Network Engineer in London to own Cisco Meraki, LAN/WAN and Azure networking end to end. Lead clinic-room readiness, manage vendor relationships and automate with PowerShell. Join Neko's preventative care mission.

BJAK seeks a Data Privacy Security Engineer in London to protect sensitive data across AWS and GCP platforms. Requires 3+ years in data security, privacy engineering, and SC TRM/BNM RMiT controls. Apply now.

BJAK seeks an AI Security Engineer in London to secure LLM integrations, agent permissions and data isolation. Requires 3+ years in security engineering, Python/TypeScript skills and SC TRM/BNM RMiT knowledge.

Assystem seeks a Principal Nuclear Security Engineer in Glasgow to provide engineering assurance for security-related nuclear assets. Requires high-hazard regulated experience, SyAPs knowledge, and security case expertise.

Methods seeks a Service Continuity Manager in the UK to develop Business Continuity plans and BCDR strategies for public sector clients. Requires ITIL experience, stakeholder management skills, and autonomy.

Humanoid seeks a hands-on Cloud Infrastructure Engineer in London to own platform delivery, IaC, CI/CD and data pipelines. Lead external contractors and turn engineering needs into reliable production systems. Competitive equity, private healthcare and 30+ days off.

Flo seeks a Principal Infrastructure Engineer in London to architect EKS at scale, shape PostgreSQL, DynamoDB and Kafka patterns, and build golden paths. Requires deep Kubernetes, AWS and Terraform expertise.

CuspAI seeks a Security Engineer in London to secure ML lifecycles, CI/CD pipelines, and cloud infrastructure. Requires 3+ years in DevSecOps or Cloud Security, IaC proficiency, and Kubernetes expertise. Competitive salary, equity, and 28 days holiday.

Lead product security strategy at Chainguard, a fast-growing open source security leader. Requires 10+ years in product/application security, cloud-native expertise, and secure SDLC ownership. Remote-first with equity and strong benefits.

Join AJ Bell as an Information Security Engineer in Manchester or London (hybrid). Design and implement enterprise security solutions across endpoint, cloud and network. Hands-on role with strong benefits and growth.