Cyber Security Jobs

• London
• Hybrid · 3 days in office
• Senior
• Permanent

Builds and operates production ML systems for document classification and extraction, using LLMs/VLMs and traditional ML to power identity verification at scale. Leads technical design from RFC to deployment, optimises GPU inference, and develops training and evaluation pipelines. Works in a squad-based team alongside Applied Science, Product and Data Science.

AWS · Kubernetes · TensorFlow +4

• Lisbon, Portugal
• Hybrid · 3 days in office
• Senior
• Permanent

Builds and operates production ML systems for document extraction powering identity verification, working with VLMs/LLMs and traditional ML at scale. Owns technical design from RFC to deployment, optimising GPU inference, training and evaluation pipelines, and labelling workflows. Mentors engineers and collaborates with Applied Science, Product and Data Science in a squad-based team.

AWS · Kubernetes · TensorFlow +4

• Knutsford
• Mid-level · manages people

Hands-on engineering role safeguarding encryption keys and cryptographic services across enterprise applications, working with Hardware Security Modules and Thales/Entrust tooling. Involves BAU and 24/7 on-call support, security assessments, penetration testing, and key management across Windows and Linux environments, with occasional off-site data centre work.

Thales · Entrust · SharePoint +5

• Chippenham
• Hybrid
• Senior
• Permanent

Provide end-to-end cyber security support for Spacecraft Control Centre Systems and Satellite Communications infrastructures, analysing functional needs, setting criticality levels and proposing protection concepts. Coordinate security architecture across disciplines, manage risks and ensure defences stay ahead of evolving threats. Requires CISSP/CISM and hands-on knowledge of Solaris, Linux, Windows, Cisco and JSP440.

Solaris · Linux · Windows +1

• London
• Remote
• £100,000 – £115,000 pa
• Lead · manages people

Lead a team of three platform engineers while spending roughly half your time hands-on, owning the design, security and evolution of a fintech scaleup's Azure platform. You'll drive Terraform-based infrastructure as code, Kubernetes or Azure Container Apps, and CI/CD pipelines in Azure DevOps and GitHub Actions, setting architectural standards and platform strategy.

Azure · Terraform · Kubernetes +3

• London
• £80,000 – £90,000 pa
• Senior

Do you have a background in Application Security, DevSecOps or Product Security, with hands-on experience embedding application security into the SDLC If so, this could be an opportunity worth considering.Join a well-established health research organisation and charity supporting large-scale medical…

• Farnborough
• Hybrid
• Senior
• Permanent

Lead protective and information security engineering on a critical MOD programme, shaping secure designs, assuring controls, and managing vulnerabilities across infrastructure, endpoints, identity and AWS cloud. Combines hands-on hardening, incident response leadership and ST&V with governance, reporting and mentoring, working largely autonomously on-site in Farnborough with some remote work.

AWS

• 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

• Bridgend
• £47,046 – £55,696 pa

Job Title: ICT Cloud Infrastructure and Platforms SpecialistLocation: South Wales Police Headquarters, Bridgend, WalesSalary: £47,046 - £55,696 per annumJob Type: Full Time, PermanentWorking Hours: 37 hours per weekClosing Date: 03/11/2026, 15:00Are you looking for your next career step?Do you want…

• London
• Hybrid
• Senior

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.

Ansible · Terraform · Python +7

• London
• On-site
• Senior

Provide advanced technical support for Cortex XSIAM customers, triaging tickets, calls and escalations within SLAs and performing application- and OS-level troubleshooting. Work with developers to reproduce issues and implement permanent fixes, and with technical account managers to mitigate risk in customer environments. Requires SIEM, EDR and endpoint security expertise plus UK security clearance.

Cortex XSIAM · Kubernetes · GCP +10

• 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

• Newcastle upon Tyne
• Hybrid
• £57,000 pa
• Mid-level
• Permanent

Protect business systems, infrastructure and data by monitoring, investigating and responding to cyber threats and incidents. Manage vulnerability remediation, patching and endpoint security while securing cloud, network and endpoint environments. Support governance, audits and compliance with standards such as ISO 27001 and Cyber Essentials Plus, working with internal teams and third-party suppliers.

SIEM · EDR · Microsoft Defender +3

• London
• Hybrid · 2–3 days in office
• £50,000 – £75,000 pa
• Mid-level

Client-facing security role within a UK consultancy's growing Security Architecture practice, supporting government, defence and critical infrastructure programmes. Day to day involves threat modelling, risk assessment, reviewing solution and infrastructure designs, defining security requirements and controls, and running client workshops. Suits security engineers or consultants wanting to move into architecture, with occasional client site visits rather than frequent travel.

NIST · SABSA · TOGAF +5

• Bristol
• £50,000 – £80,000 pa
• Senior

Designs secure network and infrastructure architectures and delivers security assurance and accreditation artefacts for central government and public sector clients. Works across the full systems lifecycle with delivery teams and engineers, assessing environments against CAF, NIST, Cyber Essentials and SbD. Requires TOGAF certification and SC clearance eligibility.

TOGAF · JSP 440 · JSP 604