Cyber Security Jobs

CrowdStrike · Germany

Conducts vulnerability research and exploit development, analysing vendor patches to identify flaws and building proof-of-concept exploits. Reviews logs and payloads to confirm 0-day and n-day exploitation, and develops automated tooling for large-scale data collection and analysis. Publishes findings on the CrowdStrike blog or at conferences and supports other intelligence teams with ad-hoc technical solutions.

CrowdStrike · Ireland

Join the Advanced Research Team to perform vulnerability research across a wide range of targets, analysing vendor patches to identify vulnerabilities and develop proof-of-concept exploits. You will build automated solutions for collecting and processing data at scale, reverse engineer malicious payloads, and publish findings on the CrowdStrike blog or at conferences.

Entrust · United Kingdom - Field (Onfido)

Customer-facing role leading enterprise onboarding and implementation of identity and security solutions, guiding customer engineering teams through design, integration, testing and go-live. Involves hands-on troubleshooting of REST APIs, mobile and web SDKs, log and API traffic analysis, and advising on performance, scalability and security. Requires independently managing multiple concurrent engagements and mentoring junior team members.

Darktrace · Cambridge

Lead multiple engineering teams, translating company objectives into roadmaps and execution plans while partnering with Product, Design, Security and Customer Success. Drive engineering strategy, hiring, coaching and operational metrics, and support architectural decisions balancing scalability, security and commercial priorities. Expected to be in the Cambridge office most of the time.

Darktrace · London

Customer-facing pre-sales technical role supporting Key Account Managers to design and manage Darktrace deployments for the UK's largest enterprise customers. Involves building technical relationships, responding to RFIs/RFPs, designing deployment architectures, and evangelising products at events, with roughly 20% travel.

Twinstream Limited · Bristol · £50,000 – £60,000 pa

Hands-on senior role taking operational ownership of a corporate IT estate, managing cloud services, Microsoft 365, Entra ID, networking, endpoint security and automation. Involves leading complex incident resolution, patching, backups and business continuity while mentoring colleagues and working with suppliers alongside the IT Technical Lead.

Alexander Mae HR Ltd · Malmesbury · £130,000 – £140,000 pa

A senior leadership role reporting to the CFO, owning the strategic and operational direction of the IT function across a diverse private group. The remit spans technology strategy, AI and emerging tech adoption, data governance, cybersecurity, cloud, infrastructure and service delivery, plus budget, supplier and team leadership. It is distinct for its board-level influence and mandate to define a new technology roadmap rather than inherit one.

Unipart · Oxford · £85,000 pa

Designs, implements and maintains complex SAP S/4HANA and HANA database landscapes, leading technical teams across system administration, cloud migration and integration strategy. Covers performance tuning, high availability and disaster recovery, TMS, kernel upgrades and Solution Manager/Cloud ALM, while mentoring junior Basis engineers and driving automation.

Framatome · Bristol · £63,120 – £94,680 pa

Combines deep technical cybersecurity expertise with commercial skills to build a local cybersecurity practice and drive client relationships within the UK nuclear sector. Leads market-entry strategy, develops pipelines for consulting and field services, and acts as senior subject matter expert on OT/ICS and critical infrastructure security. Also recruits and develops a local team while aligning with global business lines.

Randstad Technologies Recruitment · Birmingham · £300 – £400 pd

Lead a six-month AI and digital platform security initiative, defining controls and guardrails for GenAI and machine learning across global operations. Architect defences spanning AWS, Azure, hybrid and on-prem environments, aligning with NIST and ISO 27001 while mentoring a senior team of security architects and advising C-suite stakeholders.

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 · London

Lead and deliver reactive incident response engagements for clients, managing scoping, forensic investigations and containment of security incidents. Perform host-based analysis across Windows, Linux and macOS, examine firewall, web and database logs, and use tools such as EnCase, FTK, X-Ways, SIFT and Splunk to determine breach scope. Also mentors junior team members and provides remediation guidance to customers.

Risk Ledger · London · £90,000 – £120,000 pa

Full-stack product engineering role in a cross-functional squad, owning mid-to-large initiatives end to end and shaping product strategy with designers and PMs. Stack centres on Go, AWS and Vue.js, with a strong emphasis on system design, testing, automation and mentoring other engineers.

Mimecast · London · £124,000 – £186,000 pa

Owns architectural direction for Mimecast's Email & Collaboration Security product line, spanning email threat detection, DMARC, data platforms and response capabilities. Works across product, engineering and the Architecture Leadership Team to define integration contracts, ADRs and NFR targets, with cost-per-outcome reasoning and daily AI tooling use.

Barclays · Knutsford

Hands-on engineering role safeguarding encryption keys and cryptographic services across 300+ enterprise platforms, working extensively with Thales and Entrust HSMs. Involves key management, certificate management, production support, and on-call rotation, with occasional off-site data centre work.