Cyber Security Jobs

• London
• Remote
• £30,000 – £40,000 pa
• Entry level

A career-change training programme combining online CompTIA A+, Network+ and Security+ study with practical labs and tutor support, aimed at people with no prior IT experience. It prepares candidates for an initial IT Technician role, with recruitment and placement support and possible further CEH or CND training.

CompTIA A+ · CompTIA Network+ · CompTIA Security+ +2

• London
• €68,000 – €94,000 pa
• Senior

Owns the strategic roadmap for Cloudflare's Email Security product, driving differentiation against legacy incumbents and integrating with the Zero Trust stack (Gateway, CASB, DLP). Works closely with Threat Intelligence and Detections teams, engages customers directly, and evangelizes the platform internally and externally.

Cloudflare One · Gateway · CASB +3

• 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

• Cambridge
• Senior

Provides technical leadership for FPGA-based solutions in security-focused systems, owning architecture, VHDL RTL design, verification, and integration with embedded and host software. Balances hands-on implementation with planning, estimation, and mentoring, while defining development processes such as CI/CD and configuration management.

Xilinx · Zynq · Versal +6

• Newport
• Hybrid
• Mid-level
• Permanent

Execute allocated FPGA work packages within cost, time and quality constraints, analysing complex requirements and producing architectural designs. Develop VHDL-based designs for Altera, Microsemi or Xilinx devices, using tools such as Quartus II, ModelSim, Libero or Vivado, and support design reviews across the full lifecycle.

Altera · Microsemi · Xilinx +4

• London
• Hybrid · 2–3 days in office
• £55,000 – £65,000 pa
• Senior

Owns the entire IT estate for a cybersecurity SaaS company, covering identity and access management, macOS device management, SaaS administration and end-to-end joiners, movers and leavers. An engineering-led role focused on automation, AI enablement and security controls that support SOC 2, ISO 27001 and Cyber Essentials Plus audits, working alongside the Director of Information Security and a Senior SecOps Engineer.

macOS · MDM · SSO +6

• Chippenham
• Hybrid
• Mid-level
• Permanent

Day-to-day administration of the Spacecraft Control Centre's Linux and Cisco-based command and control systems, including configuration, equipment swap-outs, and restoration of capability. Acts as lead engineer for deployment planning, testing, and patching of system upgrades across a multi-site SCOF network, liaising with customers on fault investigation. Requires in-date RHCSA and offers hybrid, flexible working.

Cisco · CCNP · CCNA +2

• Kingston upon Thames
• On-site
• £28,000 – £35,000 pa
• Mid-level
• Contract

First-line IT support role in a small, hands-on team, resolving incidents and service requests via phone, email, remote tools and face-to-face. Covers Microsoft 365, Windows, hardware, printers, Wi-Fi, VPNs, account administration, device deployment and security patching, with training provided on internal systems.

Microsoft 365 · Windows 11 · Outlook +5

• Lifton
• £57,000 pa

Supporting the control systems behind food processing, filling and packaging equipment at the Ambrosia Creamery, diagnosing PLC, HMI, SCADA and industrial network faults and driving continuous improvement projects. The site standard is Siemens, with S5 and S7 PLCs and TIA Portal, and the role also covers commissioning, FAT/SAT, obsolescence planning and OT cyber security.

Siemens S5 · Siemens S7 · TIA Portal +2

• Nottinghamshire
• Hybrid
• £35,000 – £45,000 pa
• Permanent

Provide first-line support for hardware, software and network issues, install and maintain desktop systems, manage IT equipment inventory and document support procedures. Work with the technology team on upgrades and support remote users with connectivity and access, with one day a week working from home.

Microsoft Defender

• London
• Hybrid
• Senior

Builds and maintains a high-performance, fault-tolerant production backbone network across multiple cloud providers, spanning IP and optical/DWDM technologies connecting data centers and edge sites. Owns improvement initiatives end to end, drives capacity planning and network automation with Python, Ansible and CI/CD pipelines, and participates in a 24x7 on-call rotation.

AWS · GCP · OCI +7

• United Kingdom
• Remote
• Mid-level

Hands-on SRE role focused on CrowdStrike's Commercial Cloud, covering operational ownership of availability, latency, throughput, monitoring, incident response and capacity planning across thousands of bare metal servers and VMs. Involves building automation and tooling in C++, Java, Python or Go, working with monitoring stacks like Prometheus, Grafana and ELK, and joining a global on-call rotation.

CrowdStrike · ELK · Prometheus +15

• London
• Hybrid
• £80,000 – £90,000 pa
• Lead
• Permanent

Owns the CMDB and hardware/software asset lifecycle across a large international technology estate, setting standards, governance and a maturity roadmap for configuration and asset data. Works alongside other ITSM practice owners to ensure Change, Incident, Problem and Vulnerability Management rely on accurate CI data, using ServiceNow CMDB, HAM and Snow, aligned to ITIL 4 and ISO 27001.

ServiceNow · Snow · Discovery

• United Kingdom
• On-site
• £750 – £850 pd
• Senior
• Contract

Hands-on engineering role building and securing production-grade Kubernetes clusters on bare-metal and on-premises infrastructure, spanning Linux, networking, storage and compute layers. Involves implementing security hardening, logging and observability pipelines (Fluent Bit, OpenTelemetry, Grafana), SIEM integration and EDR/vulnerability tooling, plus an on-call rota for critical infrastructure.

Kubernetes · Fluent Bit · OpenTelemetry +6

• Chislehurst
• £26,000 – £28,000 pa
• Entry level

Provide first and second-line IT support across multiple locations, administering Microsoft 365 services including Exchange Online, SharePoint, Teams and OneDrive. Manage user accounts, deploy and maintain devices via Intune and Autopilot, and support cyber security, endpoint protection and IT projects. Part of a small IT team, with scope to research emerging technologies such as AI and Microsoft Copilot.

Microsoft 365 · Exchange Online · SharePoint +7