Cyber Security Jobs

• Exeter
• £21,805 pa
• Entry level
• Contract

A PhD project investigating end-to-end guarantees for security systems by verifying translations between programs and the representations used by security protocols. The work centres on Isabelle/HOL, developing semantic models and compilation techniques, with zero-knowledge proof systems such as STARK-style protocols as a key application area. It spans formal methods, programming languages, cybersecurity and cryptography, with scope to shape the direction around the student's interests.

Isabelle/HOL · STARK

• Chessington
• Hybrid
• Director · manages people
• Permanent

Lead the IT function across a multi-site FMCG business, assessing the existing technology estate and transitioning away from services provided by the former parent group. Own infrastructure, cloud, enterprise applications (notably D365 Business Central), cybersecurity governance and supplier relationships, while building a roadmap and developing the IT team.

Microsoft Dynamics 365 Business Central · Azure · Microsoft 365 +3

• United Kingdom
• Remote
• Senior

Provide advanced technical support for Cortex XSIAM customers, triaging issues via ticketing, phone and remote sessions, and performing application- and OS-level troubleshooting. Work with developers to reproduce faults and implement permanent fixes, and with technical account managers to mitigate risks in customer environments.

Cortex XSIAM · Kubernetes · GCP +10

• London
• Permanent

Join a Security Operations Centre to build detections for suspicious and malicious behaviour, respond to security incidents, and engineer automation and AI-driven solutions that improve team efficiency. You'll collaborate with data scientists, software engineers and security experts to protect AWS infrastructure and UK customers at massive scale.

AWS

• Manchester
• £550 – £650 pd

SC Penetration Tester£600 - £700 A Day Outside IR356 MonthsRemote (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…

• London
• Remote

Owns the end-to-end migration and security operations transformation for enterprise customers moving from legacy platforms to Cortex XDR/XSIAM, Prisma Cloud or Strata. Runs data cutovers, policy mapping, API and log ingestion work, plus Day-in-the-Life workshops and executive value realization sessions. Combines hands-on Python, CLI and REST API automation with customer-facing delivery in a global, remote-first team.

Cortex XDR · Cortex XSIAM · Prisma Cloud +2

• Capenhurst
• Hybrid · 2 days in office
• £55,000 – £65,000 pa
• Mid-level
• Permanent

Own and improve cloud-hosted infrastructure, Azure DevOps CI/CD pipelines and Terraform-based infrastructure as code, while supporting BAU operations and security controls. Work closely with software engineers to streamline deployments and reduce their infrastructure burden, with scope to shape automation and governance practices.

Terraform · Azure DevOps · Azure Pipelines +3

• London
• Hybrid
• £80,000 – £120,000 pa
• Senior

Hands-on engineering role embedded in the Incydr product team, working directly with customers on technical health checks, custom integrations and troubleshooting. You get full access to the codebase and deployment tooling to diagnose and ship fixes, using AI coding tools to build purpose-built scripts and integrations. Expect some travel to customer sites, with most engagement remote under a hybrid model.

Incydr · Mihra AI · SCIM

• London
• Senior
• Permanent

Security Architect role shaping security across a cloud-native environment, working closely with Architecture, Engineering, Product and Operations teams. Focus areas include GCP security, Kubernetes, DevSecOps, application and API security, identity, resilience and compliance (PCI DSS, GDPR, ISO 27001, SOC 2). Strong commercial GCP and Kubernetes experience is essential.

GCP · Kubernetes · API Gateways +4

• Bampton
• On-site
• £70,000 – £83,000 pa
• Senior
• Permanent

Lead the strategy, architecture and continuous improvement of a global data-security and Data Loss Prevention programme, defining it from the ground up. The role covers design, build, implementation and training, tuning DLP controls across endpoint, email, web, cloud and SaaS channels in a Microsoft 365, Entra ID and Azure environment. Based on-site five days a week in Oxfordshire.

Microsoft 365 · Entra ID · Windows Server +6

• Bristol
• £40,704 – £59,390 pa
• Senior
• Permanent

Conducts novel academic and high-TRL research into agentic AI security assurance for autonomous network management, characterising threat landscapes, running adversarial testing, and building runtime decision validation and dynamic trust scoring. Develops automated mitigation such as rollback and agent isolation, with experimental evaluation on a partner's agentic AI platform and the JOINER national open-networks testbed.

O-RAN · 3GPP · ETSI +2

• Lincolnshire
• Hybrid
• £55,000 pa
• Senior

Lead the design, implementation and governance of OT network and security across multiple manufacturing sites, working alongside the Global Head of IT Operations. Act as subject matter expert for industrial networks, SCADA, PLCs, ICS and network risk assessment, securing and modernising environments while ensuring availability and resilience of business systems.

SCADA · PLC · VPN +3

• London
• Lead

Technical owner for a portfolio of EMEA strategic accounts and US identity/workforce platform partners, split roughly 70/30. Drives API and SDK integration, product adoption, RFPs, trials and proofs of concept while mentoring solutions engineers globally and feeding market insight into the product roadmap.

RESTful APIs · SDKs

• Munster - Ireland
• €137,172 – €168,795 pa
• Senior
• Permanent

A professorial appointment to lead research in cyber physical systems engineering, connecting physical devices and infrastructure with sensing, communications, control, automation and digital intelligence. The role spans faculties and campuses, building on Nimbus and IMaR capabilities, developing researchers and teams, and forging national and international partnerships across manufacturing, energy, healthcare and maritime applications.

Nimbus · IMaR

• London
• Remote
• £85,000 – £100,000 pa
• Senior · manages people

Leads complex cyber risk, technology risk and resilience engagements as a trusted advisor to CISOs, CIOs and executive stakeholders. Combines delivery leadership, client advisory and commercial responsibility, growing strategic relationships and multi-disciplinary teams while designing governance, risk and control frameworks across CAF, DORA and operational resilience programmes.

CAF · DORA · NIST CSF +1