Cyber Security Jobs

• United Kingdom - Field
• Senior

Designs, builds, tests and operates significant capabilities of the Agentic Trust solution within R&D, delivering complex features across the full software development lifecycle. Develops secure APIs, services, integrations and SDKs, mentors less experienced developers, and troubleshoots production issues. Works with Product, Architecture and Security peers to keep the platform secure, scalable and reliable.

Kubernetes · MCP · LLM

• Portugal - Field
• Hybrid · 3 days in office
• Senior

Builds and maintains iOS SDKs for document capture, working on camera capabilities, on-device image processing and machine learning to help end users prove their identity. Collaborates with designers, product managers and engineers in an agile team, using Swift and contributing to test automation and CI/CD pipelines.

iOS SDK · React Native · Flutter +3

• Spain
• Remote
• Senior

Senior technical consultant conducting front-page incident response investigations for Fortune 100 organisations, hunting adversaries across large data sets and performing host and network forensics on Windows, Mac and Linux. Works under project leadership and outside counsel, producing written and verbal findings for executives, regulators and legal counsel.

CrowdStrike · Bro/Zeek · Suricata +6

• 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

• Paris, France
• Remote
• Mid-level

Owns the end-to-end migration of enterprise customers from legacy security platforms to Cortex, executing data cutovers, policy mappings, API setups and log ingestion validations. Runs practitioner-focused Day in the Life workshops and Value Realization sessions with customer leadership, using dashboards to demonstrate ROI and secure project sign-off.

Palo Alto Networks Cortex XDR · Cortex XSIAM · Prisma Cloud +2

• Berlin, Germany
• Remote
• Mid-level

Owns the end-to-end migration of enterprise customers from legacy security platforms to modern Cortex, Prisma Cloud or Strata deployments within a high-velocity sprint model. Executes data cutovers, policy mappings, API and log ingestion work, and runs Day-in-the-Life workshops and value realization sessions with customer security leadership.

Cortex XDR · Cortex XSIAM · Prisma Cloud +2

• London
• Lead

Hands-on technical leadership role maintaining and evolving the Workday integration ecosystem across HR and Finance, reporting to the Digital Transformation Lead. You will design, build and support integrations using Workday Studio, EIB, web services and APIs, govern the Workday security model, and develop reporting and analytics. The role combines technical delivery with architecture, security, compliance and service management responsibilities.

Workday · Workday Studio · Enterprise Interface Builder +7

• Cambridge
• Lead

Hands-on technical leadership role maintaining and evolving the Workday integration ecosystem across HR and Finance, reporting to the Digital Transformation Lead. You will design, build and support integrations using Workday Studio, EIB, web services and APIs, govern the Workday security model, and develop reporting and analytics, while balancing project delivery with operational support.

Workday · Workday Studio · Enterprise Interface Builder +7

• London
• Mid-level

Acts as primary technical responder for premium enterprise customers, autonomously investigating complex threat telemetry and handling live incident response for volumetric DDoS and application-layer attacks. Implements mitigation across OSI Layers 3, 4 and 7 using Cloudflare's security suite, performs packet and traffic flow analysis, and advises customers during active incidents. Requires 24x7 rotating shifts.

Cloudflare · Magic Transit · Magic Firewall +7

• London
• €66,000 – €91,000 pa
• Senior

Builds and operates microservices behind Cloudflare's Application Security products such as Rate Limiting and Web Application Firewall, working mainly in Rust and Go with Docker, Kubernetes, PostgreSQL, Kafka and Clickhouse. Senior engineers lead complex projects from design through production, mentor peers, and improve reliability of distributed systems at global scale, with on-call flexibility required.

Rust · Go · C++ +7

• Berkeley
• Remote
• £45,000 – £50,000 pa
• Mid-level

Conducts information security assessments for government, defence and commercial clients in a consultancy setting, reviewing controls, policies and procedures against ISO 27001 and the NIST Cybersecurity Framework. Supports audits, risk assessments and compliance reviews, and works directly with client stakeholders to communicate findings and improve security posture.

ISO 27001 · NIST Cybersecurity Framework

• Newbury
• Remote
• £450 – £500 pd
• Senior
• Contract

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.

PAM · TACACS+ · MPLS +2

• 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
• £650 – £750 pd

Infrastructure Architect - Patch ManagementLondon - HybridInitial 3-month contract£650 - £750 per day | Inside IR35We're looking for an experienced Infrastructure Architect with strong expertise across patch management, vulnerability remediation and infrastructure automation to support a major programme within a…

• London
• Hybrid · 1 day in office
• £500 pd
• Mid-level
• Contract · Flexible

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.

Azure DevOps · Azure · Terraform +7