Cyber Security Jobs

• Malvern, England, United Kingdom
• Hybrid · 3 days in office
• £65,700 – £73,000 pa
• Senior

Lead cyber security consultancy for defence and government customers, developing business risk models, running ISO 27001 audits and detailed vulnerability assessments using NIST and MITRE ATT&CK frameworks. You will translate technical threats into clear risk cases and mitigation strategies for senior stakeholders, embedding Secure by Design principles across projects. Based on a multi-site UK estate with at least three days a week on site and customer travel.

NIST · ISO 27001 · MITRE ATT&CK

• Bristol
• Hybrid · 3 days in office
• £86,400 – £96,000 pa
• Lead

Provides strategic cyber security consultancy to senior stakeholders, helping organisations understand and respond to evolving security challenges and business risks. Applies frameworks such as NIST, ISO27001, MITRE ATT&CK and Zero Trust to assess vulnerabilities and maturity, while leading teams, supporting bids and developing business within defence and critical national infrastructure.

NIST · MITRE ATT&CK · ISO 27001

• London
• €68,000 – €94,000 pa
• Senior

Owns the strategic roadmap for Cloudflare's Email Security product, driving differentiation against legacy incumbents and integrating with the Zero Trust stack (Gateway, CASB, DLP). Works closely with Threat Intelligence and Detections teams, engages customers directly, and evangelizes the platform internally and externally.

Cloudflare One · Gateway · CASB +3

• London
• €66,000 – €91,000 pa
• Senior

Builds and operates microservices behind Cloudflare's Application Security products such as Rate Limiting and Web Application Firewall, working mainly in Rust and Go with Docker, Kubernetes, PostgreSQL, Kafka and Clickhouse. Senior engineers lead complex projects from design through production, mentor peers, and improve reliability of distributed systems at global scale, with on-call flexibility required.

Rust · Go · C++ +7

• Portsmouth
• Hybrid
• Mid-level
• Permanent

Systems engineering role focused on radiation and nuclear hardening for military fixed ground installations, spanning requirements elicitation, mitigation planning, test plans and architecture definition. You will lead customer and test house engagement, working with IS/IT specialists on end-to-end system lifecycles for defence communications equipment. Based on-site in Portsmouth with hybrid and flexible working, on stable long-term MOD, Government and SATCOM projects.

SATCOM

• 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

• London
• Remote
• £500 pd
• Senior
• Contract

Lead end-to-end management of cyber security incidents and major security events within a secure government programme, coordinating technical response teams through containment, eradication and recovery. Act as primary point of contact for incident communications, run response bridges and war-rooms, and produce post-incident reports and root cause analysis. Works alongside SOC, analysts, infrastructure teams and third-party suppliers to improve cyber resilience.

SIEM · EDR

• Belfast
• Hybrid
• £80,000 – £100,000 pa
• Lead
• Permanent

Independent assurance voice across a sovereign AI platform's cloud estate, corporate environment and AI capability. Sets security baselines for DevOps, IT and Product Security Engineering, then verifies them through continuous monitoring and independent testing, including AI controls such as prompt injection defences and agent permissions. One of the founding roles in a scaling assurance function, working with defence and government customers.

Wiz · ISO 42001 · EU AI Act +4

• London
• Remote
• £65,000 – £75,000 pa
• Senior

Delivers cyber risk, technology risk and operational resilience engagements for a consulting firm's Digital Risk & Cyber practice, serving Financial Services, Energy, CNI and Government clients. The role involves maturity assessments, risk reviews, governance and control frameworks, and advising CISOs and executive stakeholders on regulatory compliance including CAF, DORA and NIST CSF.

CAF · DORA · NIST CSF +1

• London
• Hybrid · 1 day in office
• £500 pd
• Mid-level
• Contract · Flexible

Builds and runs CI/CD pipelines in Azure DevOps and provisions Azure infrastructure with Terraform or Bicep for a major NHS programme. Automates builds, testing and releases across environments, monitors platform health and cost, and embeds security and compliance controls. Works with developers, testers and architects, and supports incident response in live services.

Azure DevOps · Azure · Terraform +7

• Farnborough
• Hybrid · 2 days in office
• £70,000 – £80,000 pa
• Senior
• Permanent

Hands-on detection engineering role designing, testing and deploying detection content across Microsoft Sentinel and Splunk, writing KQL and SPL logic, tuning alerts to cut false positives and onboarding log sources from cloud, identity and network telemetry. Works closely with SOC, Threat Intelligence and Security Architecture teams in a live SOC environment.

Microsoft Sentinel · Splunk · Logic Apps +2

• Farnborough
• Senior

Customer-facing Solution Architect shaping and winning strategic UK Central Government opportunities, working with account, capture and bid teams from early qualification through contract award. Leads solution development, discovery workshops and architecture reviews across Data & Analytics, Cloud, Cyber, AI/ML and Systems Integration, and supports handover into delivery.

Azure · AWS

• Benfleet

Supports the compliance and integrity of control and information systems at a gas-fired power station, covering security strategy, policies, risk assessments, audits and incident response. Works with the Cyber Security Manager on OT security, ISA/IEC 62443 standards and regulatory frameworks, plus Management of Change and RCA investigations.

ISA/IEC 62443 · NIS Directive · NCSC Cyber Assessment Framework +1

• London
• Senior

Customer-facing Solution Architect shaping and winning strategic UK Central Government opportunities, working with account, capture and bid teams from early qualification through contract award. Leads solution development, discovery workshops and architecture reviews across Data & Analytics, Cloud, Cyber, AI/ML and Systems Integration, then supports handover into delivery.

Azure · AWS · TOGAF