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.

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.

Darktrace · Cambridge

Works within Cambridge R&D teams on high-impact projects spanning rapid prototyping and structured platform development, providing expert technical direction and mentoring engineers across languages such as Python, JavaScript, Rust and C++. The role advances a unique methodology for defending against unknown cyber-attacks, using Docker, cloud environments and CI/CD pipelines, and involves engaging with executive leadership on technical strategy.

Tracebit · London

Founding engineer role building a cloud intrusion-detection product using canaries, working across the stack mainly in C# on .NET Core 10, plus Terraform and an HTMX frontend. You'll work face to face with both founders, the engineering team and customers, shipping daily with little bureaucracy and encouraged AI-assisted development.

SoCode · Cambridge · £850 pd

Security architect embedded in an engineering-led programme building a brand-new on-prem private cloud from open-source stacks. Owns threat modelling, secure-by-design through IaC, CI/CD and policy-as-code, and translates NIST/STIG frameworks into testable controls. Acts as the security conduit between engineering, programme leadership and enterprise security.

Ascend Consulting · Stoke-on-Trent · £45,000 – £55,000 pa

Owns the day-to-day technology environment for an engineering and manufacturing business, covering infrastructure management, systems and database administration, cybersecurity, ERP and global support. Leads and mentors an IT team, runs projects such as system upgrades and software implementations, manages budgets and vendors, and ensures compliance and disaster recovery across UK and international offices.

Hays Technology · London · £644 pd

Senior technical authority providing leadership across a large-scale AWS platform estate, covering cloud infrastructure, applications, ingest pipelines and live services. Defines engineering standards, governance and assurance, owns platform reliability and leads major incident response for critical 24/7 services, coordinating multiple teams and suppliers.

Guidant Global · Cheltenham · £550 – £750 pd

An IdAM Architect role within a Security Architecture team, shaping enterprise identity and access capabilities across cloud transformation and service management convergence programmes. Day to day involves security architecture reviews, risk and vulnerability assessments, threat modelling, and designing identity solutions using SSO, MFA, IGA, PAM and federation standards. Works closely with solution architects, engineers and risk advisors to embed security by design.

Guidant Global · London · £500 ph

A contract IdAM Architect role within a Security Architecture team, shaping enterprise identity and access capabilities across cloud transformation and service management convergence programmes. Day to day involves security architecture reviews, risk and vulnerability assessments, threat modelling, and designing identity solutions covering SSO, MFA, IGA, PAM and federation standards. Works closely with solution architects, engineering, risk advisors and business stakeholders to embed security by design.

ECS Resource Group · Solihull · £32,000 – £38,400 pa

Join a brand-new 24/7 support team providing advanced diagnostics and resolution of network incidents across enterprise environments. You will troubleshoot routing, switching, firewalls, wireless and connectivity issues, manage escalations with vendors, and handle major incident response on a 4 on/4 off shift pattern.

Brio Digital · London · £500 pd

Builds and runs CI/CD pipelines in Azure DevOps and provisions Azure infrastructure with Terraform or Bicep for a major NHS programme. Automates builds, testing and releases across environments, monitors platform health and cost, and embeds security and compliance controls. Works with developers, testers and architects, and supports incident response in live services.

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.

CPS Group · Cardiff · £40,000 – £45,000 pa

Client-facing technical role in a Microsoft-focused security partner's Cyber Security Delivery Team, acting as a trusted point of contact for customers. Day to day involves tuning Defender and Entra controls, building KQL detections in Microsoft Sentinel, running phishing simulations and vulnerability scans, and supporting incident response and reporting.

Vivo Talent · Cardiff · £50,000 – £55,000 pa

Hands-on role contributing to the design, build and support of an Azure cloud-native platform during a period of modernisation and replatforming. Involves platform automation, Infrastructure as Code, DevOps tooling, incident response and root-cause analysis, working alongside senior engineers and architects. Suits someone with solid cloud engineering understanding who wants to deepen their expertise and take on increasing technical ownership.