Senior Infrastructure Security Engineer

Senior Infrastructure Security Engineer

£50,000 – £60,000 + bonus + car allowance + benefits

Remote (with travel to Oxford or Nuneaton for team meetings)

We're looking for a hands-on Senior Infrastructure Security Engineer to join a growing Infrastructure & Security team, and the chance to be one of the first in a new security remit. You’ll be reporting into the new Head of Infrastructure Security, playing a key role in building and securing the organisation’s group-wide infrastructure estate.

You’ll be the go-to engineer for securing core infrastructure services, working across network, cloud, and platform environments to keep systems protected while enabling the business to run smoothly.

What you’ll be doing:

Implementing and maintaining security controls across network, cloud, endpoints, and core infrastructure

Owning key technologies like firewalls, SIEM, EDR, VPN, NAC, and vulnerability scanners

Driving vulnerability management and hardening across the estate

Supporting and responding to security incidents across infrastructure services

Embedding security into infrastructure changes (firewall rules, access reviews, cloud deployments)

Working with engineering teams to improve the security posture of Azure and AWS platforms

Writing and maintaining runbooks, standards, and procedures to raise security maturity

What we’re looking for:

Strong background in infrastructure or network security within a complex enterprise environment

Solid knowledge of:

Firewalls, VPN, IDS/IPS, network security controls

Endpoint security (EDR, anti-malware, DLP)

SIEM tools (e.g. Splunk, Sentinel)

Vulnerability management (e.g. Qualys, Tenable)

Cloud (Azure and/or AWS)

Hands-on experience supporting or responding to security incidents

Familiarity with frameworks such as ISO 27001, NIST, CIS, Cyber Essentials

Great documentation, troubleshooting, and communication skills

Why join?

Play a central role in strengthening security across a multi-industry group (rail, logistics, manufacturing, tech, aerospace)

Report into a supportive leadership team who’ll help you grow your career

Competitive package with bonus, car allowance, and expensed travel

Step into a role where you can directly shape security across the group’s infrastructure

Apply now to take ownership of security engineering and be part of a team driving major change.