Cyber Security Jobs

• London
• Hybrid · 3 days in office
• £50,000 – £75,000 pa
• Mid-level

Day-to-day work covers designing, building and supporting physical and virtual infrastructure, including Windows/Linux administration, VMware or Hyper-V, Veeam/NetBackup, and networking (TCP/IP, DNS, DHCP, Cisco/Juniper/HP/Dell). The role also involves automation and Infrastructure as Code using Python, PowerShell, Bash or Ansible/AWX, plus troubleshooting and project delivery within a defence-focused organisation. Active DV clearance is essential.

VMware · Hyper-V · Veeam +7

• Ipswich
• £50,000 – £55,000 pa
• Mid-level

Hands-on infrastructure role covering Microsoft Azure, cloud infrastructure, cyber security and internal IT systems, working alongside another Infrastructure Engineer. Day to day involves managing and supporting Azure, maintaining reliability, performance and security, handling endpoint protection, MFA, access management and email security, troubleshooting complex incidents, patching, disaster recovery and Azure cost optimisation, plus infrastructure projects and documentation.

Microsoft Azure · Windows Server · Microsoft 365

• Manchester
• Hybrid
• £50,000 – £55,000 pa
• Senior

Hands-on infrastructure engineering role maintaining, securing and improving a UK and international company's IT estate, reporting to the Head of IT. Covers Windows Server, Active Directory, Hyper-V, Microsoft 365/Azure hybrid environments, networking, Sophos firewalls, cybersecurity and PowerShell automation, plus delivering server migrations and upgrades rather than service desk work.

Windows Server · Active Directory · Group Policy +11

• Guildford
• £55,000 – £60,000 pa
• Mid-level

Hands-on role covering 3rd line infrastructure and security support across cloud and on-premise environments, including system hardening, patching, vulnerability remediation, IAM, and network security. You will monitor systems, investigate incidents, and help build security into new systems supporting spacecraft engineering teams. Distinct for its space technology context rather than a typical corporate IT setting.

AWS · Azure · GCP +7

• Stoke-on-Trent
• On-site
• £42,000 – £45,000 pa
• Senior

Hands-on role combining cyber-security and infrastructure engineering, reporting to the Head of IT. You'll monitor and respond to threats, manage identity and access, endpoint protection, patching, backups and disaster recovery, while supporting Microsoft 365, Azure, Windows Server, Active Directory, VMware, networking and firewalls. Fully on-site five days a week in Stoke-on-Trent, with technical guidance to the wider IT team.

Microsoft 365 · Azure · Windows Server +2

• London
• Mid-level

Deploy, integrate and optimise AI-driven cybersecurity across network, cloud, OT and email environments for post-sales customers. Handle deployment projects to SLOs, resolve support tickets and act as a trusted advisor on security infrastructure design, liaising with sales, customer success and operations.

AWS · Microsoft · Cisco +2

• Chichester
• Hybrid · 3 days in office
• £50,000 – £65,000 pa
• Mid-level

Hands-on role supporting and maintaining cloud-hosted production, development and test environments, with a strong focus on Microsoft Azure. Day to day involves troubleshooting infrastructure, application, database and networking issues, monitoring performance and security, remediating vulnerabilities, and improving processes through automation and documentation. Also supports disaster recovery planning and testing within a collaborative international software team.

Microsoft Azure · Windows

• Stoke-on-Trent
• On-site
• £42,000 – £45,000 pa
• Senior

Hands-on role combining cyber-security and infrastructure engineering, reporting to the Head of IT. You'll monitor and respond to threats, manage identity and access, endpoint protection, patching, backups and disaster recovery, while supporting Microsoft 365, Azure, Windows Server, Active Directory, VMware, networking and firewalls. The position is based on site five days a week and includes mentoring the wider IT team.

Microsoft 365 · Azure · Windows Server +2

• Glasgow
• Hybrid · 3 days in office
• £450 – £550 pd
• Senior
• Contract · Flexible

Support the development, integration and maintenance of large-scale enterprise infrastructure platforms, combining Linux engineering, Python automation, security remediation and storage technologies. Work includes CI/CD pipelines, automated testing, system hardening and troubleshooting within complex enterprise environments, with hybrid working in Glasgow.

Ansible · SaltStack · VMware +7

• Swansea
• Hybrid · 2 days in office
• £45,000 – £55,000 pa
• Mid-level

Hands-on role taking technical ownership of cyber security across a predominantly Microsoft environment, working with an infrastructure team and external SOC partners. Day to day involves assessing the estate for security gaps, hardening systems, operating Defender/XDR, EDR and Sentinel, managing Entra ID access controls, and responding to incidents and vulnerabilities.

Microsoft Sentinel · SIEM · SOC +3

• London
• Hybrid · 4 days in office
• £500 – £550 pd
• Senior
• Contract

Hands-on contract role managing a broad estate of security tooling across network, email, endpoint and web, plus red team platforms for forensics, threat monitoring and deception. Day to day involves patching, upgrades, policy tuning, troubleshooting, and deploying and integrating new tools, including vendor replacements such as a new web proxy and email gateway. Works within an IT Security team at a financial services organisation, supporting audit and risk activity alongside engineering projects.

Python · Bash · PowerShell +5

• 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

• Sheffield
• £55,000 – £60,000 pa
• Senior

Senior escalation point for complex technical issues, leading infrastructure and cloud project delivery for clients and internal systems. Runs discovery workshops, produces designs and statements of work, and acts as technical lead on Priority 1 incidents, while mentoring engineers and setting technical standards.

Microsoft 365 · Azure · Entra ID +7

• Cambridge

Acts as the go-to authority in a chosen reliability specialism—observability, performance engineering, data infrastructure, security-focused SRE or network reliability—defining standards and best practices across SRE, Platform Engineering and DevSecOps. Builds tooling and automation, leads deep-dive investigations into systemic issues, and contributes to incident response and on-call rotations in a cloud-native, Kubernetes-based environment.

AWS · GCP · Azure +1

• Blackburn
• Hybrid · 1–2 days in office
• £60,000 – £65,000 pa
• Senior

Hands-on senior role owning the reliability, security and improvement of a mixed Linux and Microsoft infrastructure estate. Day to day covers server administration, Ansible automation, Docker and Kubernetes container platforms, MySQL/Galera and MSSQL databases, CI/CD pipelines, monitoring, patching and disaster recovery, working closely with the Software Development Team, IT Operations and third-party partners.

Ansible · Docker · CRI-O +7