Principal Infrastructure Engineer (3rd Line)

About the RoleMy client are seeking a highly skilled and experienced Principal 3rd Line Infrastructure Engineer to join their infrastructure team. This role requires a true subject matter expert – someone colleagues turn to when the most complex technical issues arise. You will provide advanced troubleshooting, design input, and escalation support across the infrastructure stack, ensuring high availability, security, and performance of the systems.

The core focus of the role will be around VMware, Active Directory, Windows and On-Prem stuff.

What You Will Get

Hybrid working (3 days in Altrincham HQ, 2 from home)

25 days holiday + bank holidays

Additional leave for certifications and professional development

Modern offices and collaborative team culture

Secure and growing fintech environment with long-term career opportunities

Skills Needed

Expert knowledge of

Windows Server

and

VMware virtualisation

Windows Server and Active Directory: Deep understanding of AD internals, authentication protocols, and directory services.

Virtualisation: Expert knowledge of VMware vSphere (vCenter, ESXi, clustering, storage, networking).

Linux Administration: Strong command-line expertise, system hardening, and cross-platform integration.

Networking: In-depth TCP/IP knowledge, subnetting, routing, switching, and performance analysis.

Scripting and Automation: PowerShell, Bash, or Python for operational efficiency.

Strong troubleshooting ability, able to explain complex technical concepts in a clear and logical manner.

This role would not suit someone too DevOps or Cloud focused, but would be better suited to an expert in on-prem. And a wizard with fixing deep technical issues on files, networking, AD, VMs and Exchange.

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Information Technology

Industries

IT Services and IT Consulting, Technology, Information and Media, and Administrative and Support Services

Referrals increase your chances of interviewing at Altech Group Ltd by 2x

Get notified about new Infrastructure Engineer jobs in Altrincham, England, United ..... full job details .....