Cyber Security Jobs

DCV Technologies · Royal Leamington Spa · £550 – £650 pd

Hands-on contract role owning the end-to-end detection engineering lifecycle, translating threat intelligence, hunting findings and adversary techniques into effective detection rules. Builds behavioural analytics and detection content across endpoint, identity, cloud, network and email telemetry using KQL, SPL, Sigma, Python and PowerShell, with tuning, purple teaming and Detection-as-Code work alongside SOC, IR and Red Team specialists.

Robert Half · Oxford · £25,500 – £29,000 pa

Provide first-line IT support to internal staff, managing and updating tickets while troubleshooting software, hardware and connectivity problems. Set up computers, mobile devices and software, escalate complex issues to senior colleagues, and maintain records and equipment logistics. Office-based with occasional travel to other sites.

QinetiQ · Bristol · £65,700 – £73,000 pa

Lead cyber security vulnerability analysis, audit processes and business risk modelling for defence customers, while shaping cyber exercise scenarios and advising on security posture against NIST and ISO27001 frameworks. The role involves applying MITRE ATT&CK and Secure by Design approaches, working largely on-site at a customer site in Corsham.

Amtis Professional · Cheshire West and Chester · £50,000 – £55,000 pa

Hands-on role strengthening an organisation's ability to respond to, recover from and learn from cyber incidents. Combines practical system recovery and resilience testing with maintaining Business Continuity, Incident Response and Cyber Recovery plans, plus stakeholder coordination across IT and the wider business. Involves analysing system dependencies, incident reviews and producing resilience documentation.

Maxwell Bond · London · £115,000 – £135,000 pa

Owns security end to end for a confidential investment-data platform and its AI agents, split roughly 60% hands-on product and cloud security and 40% assurance and client-facing work. Sets AWS IAM, encryption and detection patterns, defines agent authorisation and prompt-injection defences, and drives SOC 2, ISO 27001 and AI Act readiness with penetration testing and client due diligence.

QinetiQ · Malvern, England, United Kingdom · £65,700 – £73,000 pa

Technically leads multidisciplinary teams on complex cryptosecurity bids and projects, interpreting user, system and security requirements for crypto systems. Advises on high-grade crypto and key management, analyses algorithms and secure protocols, and engages regularly with customers and stakeholders. Based on-site at Malvern, with travel to customer sites expected.

Amtis Professional · Chester · £50,000 – £55,000 pa

Hands-on role strengthening an organisation's ability to respond to, recover from and learn from cyber incidents. Combines practical system recovery and resilience testing with maintaining Business Continuity, Incident Response and Cyber Recovery plans, plus stakeholder coordination across IT and the wider business.

Appcast Enterprise · Whiteley · £61,500 – £78,800 pa

Designs, develops and maintains manual and automated test scripts and reporting for a flagship National Security programme, using frameworks such as Katalon Studio, Selenium, SoapUI and JUnit. Analyses requirements and designs to build risk-based test approaches, working within hybrid Waterfall and Agile scrum teams alongside software and systems engineers.

RiverSafe · London

Client-facing consulting role leading end-to-end security engagements across security architecture, cloud security, DevSecOps, application security and security operations. You'll run workshops, design controls in AWS/Azure/GCP, produce risk-based deliverables and help identify follow-on work, contributing to proposals and account growth.

Experis · London · £450 – £455 pd

Hands-on SOC and incident response role monitoring, triaging and investigating cyber security threats across macOS endpoints, Linux cloud workloads, microservices and containerised platforms. You will contain and remediate incidents, document findings and evidence, and contribute to detection rules and response playbooks while working closely with security and engineering teams.

CrowdStrike · London

Designs, implements and operates a global multi-vendor, multi-cloud and hybrid data center network, covering subnetting, VPC peering, direct connects and hub-spoke topologies. Builds IaC and automation tooling (Ansible, Terraform, Python, Go) in CI/CD pipelines and handles complex production troubleshooting plus on-call rotations.

Entrust · London

Owns a core area of the document verification platform, setting strategy and roadmap for identity document checks used in onboarding and account opening. Works with Engineering, AI/ML, Data Science, Design, Growth and Compliance to improve verification accuracy, conversion, operational efficiency and fraud prevention, using experimentation and analytics to prioritise investments.

Entrust · Cambridge

Leads the design and delivery of complex features in a cryptographic security product, working hands-on across embedded software, platform components, client tools and APIs. Sets technical direction, mentors engineers and supports system-level architecture decisions on availability, latency and data models. Hybrid role in Cambridge, three days onsite.

CrowdStrike · Reading

Internship on CrowdStrike's Technical Analysis Cell, researching nation-state and criminal intrusions through reverse engineering of malware and tooling. The intern builds automation for malware analysis, creates host- and network-based detection signatures, and produces threat intelligence reporting for varied audiences.

Humanoid · London

Lead product cybersecurity assurance across the HMND 01 humanoid robot platforms, defining security requirements, threat modelling and risk artefacts for safety-critical electromechanical systems. Own TARA, security management plans and remediation actions, drive compliance with IEC 62443, the EU Machinery Regulation and the Cyber Resilience Act, and build a PSIRT process while guiding a cross-functional security team.