Cyber Security Jobs

• Ireland
• Remote
• Senior

Senior consultants lead front-page incident response investigations for Fortune 100 organisations, hunting adversaries across large data sets and conducting host and network forensics on Windows, Mac and Linux. The role involves intrusion analysis under project leadership and outside counsel, plus written and verbal reporting to executives, regulators and legal teams.

CrowdStrike · Bro/Zeek · Suricata +6

• United Kingdom
• Remote
• Mid-level

Lead incident response engagements, hunting adversaries across large data sets and conducting intrusion investigations under outside counsel. Perform host, network and cloud forensics across Windows, Mac and Linux, plus basic malware analysis, and deliver findings to executives, regulators and legal teams.

CrowdStrike · Zeek · Suricata +6

• Yorkshire And Humberside
• Remote
• £40,000 – £55,000 pa
• Mid-level

Deliver ISO 27001:2022 implementation consultancy for a range of clients including healthcare and medtech, running gap analyses, risk assessments, SoA and policy documentation, and preparing organisations for certification audits. Also lead the firm's own internal ISMS certification programme, working closely with senior consultants and directors.

ISO/IEC 27001:2022 · Cyber Essentials Plus

• London
• Hybrid
• Lead
• Contract

Lead enterprise cloud architecture across GCP and/or AWS, designing secure landing zones, IAM hierarchies and microservices, plus deterministic AI safety controls and perimeter defence. The role also covers systems integration, API layers and architectural governance, including Technical Design Authority approvals and NCSC-aligned assurance within UK central government.

GCP · AWS · VPC Service Controls +4

• 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

• London
• Director · manages people

Lead and develop the organisation's cyber security strategy, owning the information security framework including ISO 27001 and Cyber Essentials Plus. Reporting to the CIO, you will run security operations, manage an outsourced SOC, oversee incident response and vulnerability management, and mentor the security team. Legal-sector experience is mandatory, and the role spans Microsoft/Azure cloud security and SaaS assurance.

Microsoft Azure · SOC

• Colchester
• Remote
• £51,000 – £55,000 pa
• Mid-level
• Permanent

Hands-on security role managing and enhancing controls across the IT infrastructure, covering incident response, threat detection, vulnerability management and compliance. You will work with Microsoft security tooling including Entra ID, Defender, Purview and Intune, support audits and frameworks such as NIST and ISO 27001, and help shape security strategy in a small collaborative IT team.

Microsoft 365 · Microsoft Entra ID · Microsoft Defender +4

• United Kingdom
• Junior

Supports the delivery of security architecture and cyber security services across Defence and Government projects, including security assessments, risk analysis, threat identification and security documentation. Works alongside experienced Security Architects and technical specialists on areas such as Identity & Access Management, Security Testing, Privacy and Cloud Security, and requires SC Clearance.

AWS · Azure · Google Cloud +7

• 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

• Kings Hill
• Hybrid
• £54,500 – £55,000 pa
• Mid-level
• Permanent

Monitor, triage and investigate security alerts, incidents and requests, managing records through to closure and coordinating recovery. Use tools such as Tenable and Darktrace across cloud and wider IT infrastructure, supporting vulnerability management, threat intelligence and malware analysis, with on-call backup for emergency response.

Tenable · Darktrace

• Southampton
• Hybrid
• Director · manages people
• Contract

Leads the enterprise architecture function, owning principles, standards, governance and assurance across domains including business applications, SaaS, data, cloud, infrastructure, networks, cyber security, AI and OT. Chairs the Architecture Review Board, manages architecture demand and resources, and acts as senior technical authority reporting to the Director of Information Security & Enterprise Architecture.

SaaS

• Winchester
• Director · manages people

Lead the Enterprise Architecture function, owning architecture principles, standards, governance and assurance across business applications, SaaS, data, cloud, infrastructure, networks, security, AI and OT. Acts as senior technical authority, chairs the Architecture Review Board, and manages internal architects plus third-party partners.

SaaS · Operational Technology

• Sheffield
• On-site
• £40,000 pa
• Mid-level
• Permanent

Supports day-to-day IT security across a national care home provider, covering security monitoring, vulnerability management, endpoint and email security, and incident response. Coordinates audits, penetration testing and assurance activities against frameworks such as NCSC CAF, Cyber Essentials and NHS DSPT, and produces security metrics and awareness training.

Microsoft 365 · Intune · NCSC CAF +3

• Aylesbury
• Hybrid · 2 days in office
• £67,493 – £70,954 pa
• Lead

Defines and governs the organisation's testing strategy across a diverse portfolio of technology projects, system upgrades and service changes. Sets standards, frameworks, processes and tools, and provides training, coaching, oversight and quality assurance reporting rather than hands-on testing. Works in a hybrid pattern, in the office a couple of times a week.

• Whiteley
• Hybrid
• £61,500 – £78,800 pa
• Senior

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.

Katalon Studio · Selenium · SoapUI +5