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

• Warwick
• Hybrid
• £65,000 – £75,000 pa
• Mid-level

Embed security into the software development lifecycle, partnering with engineering teams to improve secure coding and conduct application security assessments. Support DevSecOps initiatives, identify vulnerabilities before release, and strengthen security within CI/CD pipelines across a growing technology estate.

SaaS

• United Kingdom
• Remote
• £500 – £650 pd
• Senior
• Contract

Shape and launch a new Azure Security practice, designing consulting propositions, repeatable assessments and implementation methodologies. Provide technical leadership across Azure security architecture, governance, identity and infrastructure using Defender for Cloud, Entra ID, Azure Policy and Sentinel, while supporting pre-sales and coaching internal consultants.

Azure · Microsoft Defender for Cloud · Entra ID +6

• St. Neots
• Hybrid
• £40,000 – £50,000 pa
• Permanent

Deliver Cyber Essentials and Cyber Essentials Plus assessments and lead smaller assurance engagements such as Defence Cyber Certification, reviewing technical and documentary evidence against frameworks including NIST CSF and ISO 27001. The role also involves monitoring security tooling, supporting vulnerability assessments and pen testing, and helping customers close identified security gaps within a collaborative cyber assurance team.

Cyber Essentials · Cyber Essentials Plus · Defence Cyber Certification +5

• Bracknell
• £60,000 – £70,000 pa
• Senior

Hands-on technical role maintaining and improving a secure Gateway solution, with a focus on networking, Red Hat Enterprise Linux, and Shell/Bash scripting. You'll work with Solution Architects and Engineering Leads, support SOC and 3rd Line teams, and take on increasing project ownership with a path to Project Lead.

Red Hat Enterprise Linux · VMware · vSphere +5

• Stevenage
• On-site
• £45,000 – £50,000 pa
• Mid-level
• Shift work

Designs, configures and maintains network security solutions including next-generation firewalls, secure proxies and IDS/IPS, while supporting 24/7 incident response alongside SOC analysts. Involves analysing network traffic and packet captures, remediating vulnerabilities and standardising security tooling in a highly secure engineering environment.

Cisco · Check Point · Palo Alto +5

• London
• On-site
• £70 – £85 pd
• Senior
• Permanent

Lead cloud security assurance from initial assessment through to approval, assessing services against NCSC Cloud Security Principles and MOD standards. Oversee compliance, audits and third-party access while advising project teams on secure configuration and risk mitigation. Supports Defence Cyber Certification, ISO 27001 and MOD security audits, presenting findings to senior governance stakeholders.

SaaS · ISO 27017 · ISO 27018 +1

• 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

• Swansea
• Hybrid · 2 days in office
• £45,000 – £55,000 pa
• Mid-level

Hands-on role taking technical ownership of cyber security across a predominantly Microsoft environment, working with an infrastructure team and external SOC partners. Day to day involves assessing the estate for security gaps, hardening systems, operating Defender/XDR, EDR and Sentinel, managing Entra ID access controls, and responding to incidents and vulnerabilities.

Microsoft Sentinel · SIEM · SOC +3

• London
• Hybrid · 1–2 days in office
• £750 – £850 pd
• Senior
• Contract

Strategic advisory and architecture role supporting a major network transformation for an international professional services organisation. Involves assessing existing network security environments, defining vendor-neutral target architectures and guardrails, evaluating Zero Trust, SASE/SSE, SD-WAN and segmentation, and translating decisions into procurement-ready requirements and supplier evaluation criteria.

SASE · SSE · SD-WAN +3

• 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.

• Manchester
• Hybrid
• £60,000 – £75,000 pa
• Mid-level

Lead and evolve the security, privacy and governance framework for a UK software business, acting as Data Protection Officer. Day to day you own the ISMS and ISO 27001/Cyber Essentials Plus certifications, run UK GDPR and DPIA work, build AI governance, manage cyber risk and supplier assurance, and present to board-level stakeholders.

ISO 27001 · Cyber Essentials Plus

• Cambridge
• On-site
• Mid-level
• Permanent

Consultants assess critical systems for cyber-physical vulnerabilities, combining deep hardware research, testing and reverse engineering with rapid prototyping of proof-of-concept demonstrators. Work spans niche defence and national security projects, interfacing with hardware via protocols like JTAG and UART and using test equipment such as oscilloscopes. The role is fully on-site in Cambridge labs within a flat, collaborative ~40-person consultancy.

JTAG · UART · Oscilloscopes

• 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