Cyber Security Jobs

• United Kingdom
• Remote
• Senior

Builds and operates large-scale data processing pipelines, storage systems and presentation layers for the Intelligence team, owning systems from design and prototyping through production deployment and long-term maintenance. Works autonomously on a distributed remote team, gathering requirements from analysts and choosing the technology stack, with existing Go and Python codebases to maintain and improve.

AWS · GCP · EC2 +3

• Ireland
• Remote
• Senior

Security researcher role on CrowdStrike Intelligence's Advanced Research Team, developing automated solutions for large-scale data collection, running Internet-wide scans, operating and extending honeypots, and performing vulnerability research. Involves reverse engineering, patch analysis, and publishing research on the company blog or at conferences, alongside ad-hoc technical support for other intelligence teams.

CrowdStrike · Android · iOS +3

• 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

• London
• Lead

Owns product strategy, roadmap and commercial model for a new publicly trusted certificate authority, spanning ACME issuance, certificate lifecycle automation, revocation and Certificate Transparency. Works across engineering, compliance, legal and go-to-market on high-consequence infrastructure, with an ACME-first, automation-first and post-quantum-ready design.

AWS Certificate Manager · AWS Private CA · Google Trust Services +7

• London
• Hybrid · 2 days in office
• Senior

Design, build and operate distributed systems behind Cloudflare's Application Security products (WAF, Page Shield, API Shield) at internet scale, using Go or Rust and devops tooling like Kubernetes and Kafka. The role includes reviewing RFCs and code, on-call shifts, and mentoring other engineers.

Kubernetes · Salt · Kafka +7

• London
• Hybrid · 3 days in office
• £400 – £450 pd
• Lead
• Contract

Acts as the primary liaison between global cybersecurity functions and regional business lines, embedding security controls into initiatives from concept to launch. Provides end-to-end security consultancy, oversees cyber risk profiles and governance forums, and leads the regional rollout of global transformation and remediation programmes, including M&A support.

• Avonmouth
• £63,120 – £94,680 pa
• Lead · manages people

Combines deep technical cybersecurity expertise with commercial acumen to build a local practice and win work across the UK nuclear sector. Leads client cybersecurity programmes, assessments and architectures while recruiting and developing a local team, aligned with global business line standards.

SIEM

• Newcastle upon Tyne
• Senior

Lead and deliver infrastructure, web application and cloud penetration testing engagements, plus Cyber Essentials Plus assessments and technical security reviews. As one of the practice's early senior hires, you will shape methodologies, assure report quality, mentor junior consultants and support pre-sales for a growing national cyber security consultancy.

Nessus · Qualys · OpenVAS +5

• London
• Hybrid · 3 days in office
• £70,000 – £75,000 pa
• Senior
• Permanent

Lead information security governance, assurance and risk management across a multinational business, reporting to the Head of GRC. You will drive risk assessments, compliance and audit programmes covering ISO 27001, PCI DSS and NIS2, and advise on cloud security governance for AWS and Azure environments.

AWS · Azure · ISO 27001 +2

• London
• On-site
• £70,000 – £75,000 pa
• Director · manages people

Lead the information security strategy for a London-based organisation, supported by a Cyber Security Analyst. Own the ISMS aligned to ISO27001, oversee risk assessments, incident response, supplier and auditor relationships, awareness training, disaster recovery testing and internal audits, working closely with senior stakeholders.

• Cheltenham
• Hybrid
• Mid-level
• Permanent

Research new and innovative solutions to challenging client problems and assess existing client solutions to prove or disprove their security fundamentals. Contribute to team growth through knowledge sharing and mentoring, within a newly formed National Security Business Unit working on varied client projects.

• Ipswich
• £50,000 – £55,000 pa
• Mid-level

Hands-on infrastructure role covering Microsoft Azure, cloud infrastructure, cyber security and internal IT systems, working alongside another Infrastructure Engineer. Day to day involves managing and supporting Azure, maintaining reliability, performance and security, handling endpoint protection, MFA, access management and email security, troubleshooting complex incidents, patching, disaster recovery and Azure cost optimisation, plus infrastructure projects and documentation.

Microsoft Azure · Windows Server · Microsoft 365

• Wellingborough
• Hybrid
• £40,000 – £45,000 pa
• Director · manages people

Build and lead a new IT support and managed services function, setting standards and processes while reporting to the Managing Director. The role is hands-on, covering escalated technical issues, Windows/Linux/macOS systems, networks, security audits and IT projects, with occasional on-call support.

NinjaOne

• Manchester
• Remote
• Mid-level
• Permanent

Monitor, detect and respond to cyber incidents for customers from a 24/7 Global Security Operations Centre, working with the Microsoft Security Stack, Splunk, EDR, IDS and IPS tools integrated into a Unified Cyber Platform. The L2 role sits within an MXDR team of over 100 accredited experts handling hundreds of millions of log events daily.

Microsoft Security Stack · Splunk · EDR +3

• Cardiff
• Hybrid
• £55,000 – £65,000 pa
• Senior

Owns the AWS cloud infrastructure behind a SaaS platform, designing, implementing and testing solutions from concept to delivery. Builds Infrastructure-as-Code and CI/CD pipelines, improves automation, monitoring and alerting, and mentors junior engineers while supporting Oracle and end-user computing areas.

AWS · EC2 · VPC +7