An exciting opportunity for an experienced IT Infrastructure and Network Engineer to join a market-leading, disruptive AI software company as they continue to strengthen and enhance their corporate infrastructure environment.
This role focuses on the ownership and improvement of enterprise IT systems including networking, identity, firewalls, and hybrid cloud services. You will play a key role in ensuring corporate infrastructure is secure, reliable, and scalable, supporting internal business operations across a high-growth technology environment.
Working closely with Security and Platform teams where appropriate, this is a hands-on engineering position centred on corporate IT infrastructure rather than product platform workloads.

Location: London – 3 days in office / 2 days remote

Salary: Negotiable + comprehensive benefits package

Requirements for IT Infrastructure Network Engineer:

Experience within IT infrastructure and network engineering

Strong hands-on experience with Linux server environments (Windows exposure beneficial)

Experience managing and securing a predominantly Mac-based corporate device estate

Strong Microsoft ecosystem experience including M365 and Entra ID

Hands-on enterprise networking and firewall experience

Experience managing hybrid cloud environments (Azure and/or AWS)

Excellent communication skills with the ability to collaborate across technical teams

Desirable:

Experience configuring Azure and M365 security controls

Familiarity with infrastructure automation tools

Responsibilities for IT Infrastructure Network Engineer:

Maintain and enhance a predominantly Linux-based corporate server environment with some Windows systems

Administer and secure identity platforms including Entra ID and SSO integrations

Manage and secure an end-user computing estate primarily consisting of Mac devices

Implement high-availability, backup, and disaster recovery strategies across corporate systems

Maintain clear infrastructure documentation, diagrams, and operational procedures

Design, configure, and manage enterprise networking across LAN, WAN, and VPN environments

Manage firewalls and secure remote access solutions

Troubleshoot complex networking and connectivity issues across office and remote users

Support corporate cloud infrastructure across Azure, M365, and AWS

Manage identity, access, and secure configuration of cloud-based IT services

Contribute to cloud cost optimisation and operational efficiency

What this offers:

Working for an industry-leading AI software company operating at the forefront of innovation

A hands-on infrastructure role with real ownership across networking, identity, and hybrid cloud

A competitive salary and comprehensive benefits package

Applications:
If you are an experienced Infrastructure or Network Engineer looking to take ownership of corporate IT systems within a fast-growing technology company, we would love to hear from you. Please send an up-to-date CV via the relevant link.
We’re committed to creating an inclusive and accessible recruitment process. If you require reasonable adjustments for your application or during the review process, please highlight this by emailing (if this email address has been removed by the job-board, full details for contact are available on our website).

Keywords: IT Infrastructure Engineer / Network Engineer / Infrastructure Engineer / Systems Engineer / Linux Engineer / Corporate IT Engineer / Network Infrastructure / Firewall Engineer / M365 / Entra ID / Azure / AWS / Hybrid Cloud / Enterprise Networking / Mac Device Management / IT Operations

RedTech Recruitment Ltd focuses on finding roles for Engineers and Scientists. Even if the above role isn’t of interest, please visit our website to see our other opportunities.
We are an equal opportunity employer and value diversity at RedTech. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status