Cyber Security Jobs

Darktrace · Cambridge

Owns prototyping and development of new ideas to improve Darktrace's cybersecurity services, balancing creativity with time constraints. Collaborates with a cross-functional team of engineers, designers and technical strategists on rapid prototyping and structured platform development, advancing methods for defending against unknown cyber-attacks. Requires production-quality Python coding, with Docker and containerisation experience and an interest in malware forensics.

Darktrace · Cambridge

Contributes to security research projects spanning rapid prototyping and open-ended initiatives, with a focus on generative AI systems. Investigates attacker tradecraft such as prompt injection, poisoning and extraction attacks, and provides feedback to product, development and machine learning teams. Hybrid role requiring two days a week in the London or Cambridge office.

CrowdStrike · United Kingdom

Monitors and performs in-depth analysis of security alerts across Windows, Mac and Linux, handling incidents end to end including malware analysis and remote remediation. Acts as technical escalation point and mentor for junior analysts while improving detection and triage processes in a virtual security operations centre.

CrowdStrike · Ireland

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.

Palo Alto Networks · London

Deliver expert-level technical support to top-tier cybersecurity customers, owning complex cases from initiation to resolution through multi-vendor troubleshooting, fault isolation and root cause analysis. Act as a designated customer advocate running weekly reviews, QBRs and upgrade planning, while working with Engineering and QA on bug reports and test plans.

Palo Alto Networks · United Kingdom

Provide dedicated technical support for Prisma Cloud, handling user-reported issues within SLAs via ticketing, phone and remote sessions. Triage and troubleshoot complex application and OS-level problems across Kubernetes, Docker, Linux and public cloud platforms, performing root cause analysis and coordinating fixes with engineering and product teams. Requires UK security clearance eligibility and strong scripting and networking knowledge.

Experis · Bristol · £50,000 – £80,000 pa

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.

83zero · London · £100,000 – £118,000 pa

Lead cybersecurity advisory engagements for a global IT consultancy, covering risk assessments, maturity reviews, strategy and transformation roadmaps. Advise CISOs and CTOs, embed security into cloud and digital transformation programmes, and support bids and business development while mentoring junior consultants.

Deerfoot Recruitment Solutions · London · £500 – £550 pd

Hands-on contract role managing a broad estate of security tooling across network, email, endpoint and web, plus red team platforms for forensics, threat monitoring and deception. Day to day involves patching, upgrades, policy tuning, troubleshooting, and deploying and integrating new tools, including vendor replacements such as a new web proxy and email gateway. Works within an IT Security team at a financial services organisation, supporting audit and risk activity alongside engineering projects.

Proximity Recruitment · Northampton · £60,000 – £70,000 pa

Hands-on cyber role maintaining and improving security controls across identity, endpoint, cloud, SaaS and infrastructure, promoting least-privilege and zero-trust principles. You will run vulnerability and exposure management, investigate alerts and incidents, and produce risk and remediation reporting while supporting audits and compliance. As the first dedicated cyber hire in a 220-person fintech, the position works closely with IT operations, development, platform teams and external security providers.

Proximity Recruitment · London · £70,000 – £75,000 pa

Hands-on cyber security role maintaining and improving controls across identity, endpoint, cloud, SaaS and business applications, with a least-privilege and zero-trust focus. You will run vulnerability and exposure management, investigate alerts and incidents, and produce risk and remediation reporting while supporting audits and compliance. As the first dedicated cyber hire in a 220-person fintech, the position involves close work with IT operations, development, platform teams and external security providers.

Morson Edge · Warrington · £85 ph

Assess technical security controls and cyber risk across complex OT and Cloud environments, working with technical teams, architects and risk owners. The role centres on NCSC CAF, Cyber Essentials Plus, ISO 27001/27005 and NIST frameworks, covering third-party assurance and internal/external audits. It is a 12-month contract requiring one day a week travel to the North West.

ARCHER RESOURCING LTD · Aberdeen · £55,000 – £80,000 pa

Lead cyber security, information assurance and governance across a Group covering corporate IT, OT, cloud and commercial software products. Own the security roadmap with the CIO, maintain policies and the cyber risk register, run incident response with an external SOC, and drive ISO 27001, Cyber Essentials Plus, SOC 2, NIST CSF and IEC 62443 compliance. Also embeds security into the SDLC and reviews customer-facing product architecture.

eFinancialCareers · London · £80,000 – £100,000 pa

Defines and delivers secure architectures across enterprise IT and operational technology environments, working with technical and solution architects to embed security through the design lifecycle. Applies threat modelling, NIST/ISO/CIS frameworks and advises on protective monitoring, IAM and risk mitigation. Client-facing, requiring active SC clearance and strong stakeholder communication.

ECS Resource Group · Newbury · £450 – £500 pd

Security architecture and independent assurance role on a large-scale telecoms programme, focused on Privileged Access Management and securing administrative access to critical Network Management Systems. You will review network and security designs, assure HLDs, LLDs, PoCs and test strategies, and advise on segmentation, least privilege and secure management access. Requires strong IP networking (MPLS, VPNs, VRFs) plus AAA, TACACS+, MFA and RBAC expertise.