Cyber Security Jobs

CrowdStrike · Reading

Six-month graduate internship in the Falcon Complete team, working from the Reading office on security alert triage, incident investigation and response, and basic malware analysis. Interns learn the Falcon platform and internal tooling, handle customer inquiries, and deliver a project to improve security controls.

TRIA · Cardiff · £45,000 – £50,000 pa

Hands-on engineering role in a Microsoft security partner's Security Operations team, building and tuning Sentinel detection rules with KQL and configuring Defender XDR and Microsoft 365 controls. Involves automation playbooks via Azure Logic Apps, vulnerability scanning and phishing simulations, DevOps/CI-CD work, and escalation-focused incident response rather than routine alert monitoring.

eFinancialCareers · London

Engineer, operate and optimise Microsoft Sentinel across one or more Log Analytics workspaces, owning platform health, ingestion pipelines, normalisation and enrichment. Build and maintain log onboarding from cloud, on-prem, SaaS and security tools, and integrate the SIEM with EDR, SOAR, threat intel and ITSM platforms. Also supports M&A onboarding of acquired environments into the enterprise SIEM.

Eclectic Recruitment · Stevenage · £45,000 – £50,000 pa

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.

CrowdStrike · Ireland

Investigates emerging malware and cyber threats across the full adversary kill chain, validating and improving Falcon's detection coverage. Works with Threat Research, Engineering, Data Science and Red Team to turn findings into product improvements, using automation, AI and machine learning to scale analysis.

Erin Associates · Manchester · £45,000 – £50,000 pa

Hands-on role strengthening an organisation's security posture and delivering initiatives across its Cyber Security Roadmap. Day to day involves managing Microsoft Defender, Intune, Entra ID and Microsoft 365 security controls, supporting vulnerability remediation, alert triage and incident response, and maintaining Cyber Essentials and CIS Controls compliance.

Akkodis · Hessle · £35,000 – £45,000 pa

Hands-on security operations role covering alert triage, incident response and root-cause analysis, plus tuning SIEM, EDR/XDR and monitoring tooling to cut false positives. You will drive automation and security improvement projects while liaising with a managed SOC and internal infrastructure, cloud and application teams.

ITSS Recruitment · London · £60,000 – £70,000 pa

Hands-on security engineering role protecting critical systems and sensitive data across a broad estate covering cloud security, vulnerability management, incident response and security monitoring. Day to day involves operating the vulnerability management programme, administering Microsoft Defender, Purview, Entra ID, Sentinel and Azure security services, and advising infrastructure, application and business stakeholders on risk-based controls.

Sophos · United Kingdom

Performs advanced investigative, forensic and containment work during active cyber incidents for Managed Detection and Response customers, correlating alerts and telemetry to establish scope and root cause. Mentors junior IR and SOC analysts, maintains engagement documentation and playbooks, and supports Incident Advisors with validated technical findings. Includes weekend and holiday rotation cover.

Cloudflare · London

Own the full software development lifecycle for distributed systems supporting threat disruption and legal response, building data pipelines that collect and expose threat intelligence for analysts and customers. Work primarily in Golang and TypeScript with Rust, Kafka, Redis, Kubernetes, Terraform and Postgres, collaborating with Threat Intelligence, Trust & Safety, Legal and Product teams, plus on-call rotations and mentoring.

Netcraft · London

Join the Novel Classification team to build and operate machine learning systems that detect phishing sites and online scams at scale. You'll train, evaluate and serve classifiers on GPU-backed Kubernetes, run live experiments on precision and recall, and deploy LLM inference and computer vision models into production.

Planet Recruitment · Manchester · £40,000 – £50,000 pa

Hands-on role delivering a Cyber Security Roadmap and hardening a Microsoft-centric technology estate. Day to day involves configuring and maintaining Defender, Intune, Entra ID and Microsoft 365 security and compliance tooling, plus vulnerability management, alert triage and incident remediation. Works with the Cyber Security Operations Manager, Group Head of Cyber, IT teams and external partners, and supports Cyber Essentials and CIS Controls accreditation.

Darktrace · Paris, France

Customer-facing technical role partnering with security and IT stakeholders to drive platform adoption, reduce risk and demonstrate measurable value. You build technical success plans, spot adoption gaps and retention risks early, and feed technical health insights into renewals, QBRs and expansion discussions alongside Account Executives and Solutions Engineering.

Darktrace · London

Customer-facing technical role partnering with security and IT stakeholders to drive platform adoption, reduce risk and improve customer health. Works with Account Executives, Solutions Engineering and Renewals on technical success plans, adoption analytics, QBRs and renewal readiness. Requires fluency in French and English.

Barclays · Glasgow

Owns the optimisation and strategy of transaction monitoring controls across Barclays UK and International, tuning surveillance systems and developing detection solutions. Involves data exploration, coding in SQL, Scala, Spark or Python, and engaging technical and non-technical stakeholders on financial crime risk. Based in Glasgow within a regulated governance and control environment.