Senior IT Infrastructure Engineer

Job in Greater London, London, Greater London, W1B, England, UK

Listing for: Bristow Holland Ltd

Full Time position
Listed on 2026-07-23

Job specializations:

IT/Tech
Systems Engineer, Cloud Computing: Infrastructure & Operations, Disaster Recovery IT, Azure

Salary/Wage Range or Industry Benchmark: 60000 - 90000 GBP Yearly GBP 60000.00 90000.00 YEAR

Location: Greater London

An established Suffolk organisation is seeking a Senior IT Infrastructure Engineer to play a leading role in the evolution of its enterprise IT environment. This is a hands‑on senior technical position where you'll lead infrastructure projects, act as the highest technical escalation point, mentor engineers and help deliver a significant Azure cloud transformation.

Key Responsibilities

Lead the design, implementation and continual improvement of enterprise infrastructure.
Deliver infrastructure and cloud migration projects.
Act as the senior 3rd line technical escalation point.
Own server, cloud, networking and identity platforms.
Drive infrastructure security, resilience and disaster recovery.
Develop automation using Power Shell.
Mentor and support junior infrastructure engineers.
Produce technical documentation and maintain operational standards.
Work closely with third‑party suppliers and internal stakeholders.

Essential Technical Skills

Microsoft Azure (IaaS, networking, virtual machines and cloud services)
Microsoft Entra (Azure AD) and Active Directory
Microsoft 365 administration
Exchange Online and Hybrid Exchange
Windows Server 2019/2022/2025
Microsoft Intune (MDM & MAM)
Microsoft Defender, MFA and Microsoft Security technologies
Azure Site Recovery (ASR) and backup technologies
Power Shell scripting and automation
Meraki firewalls, switching and wireless
TCP/IP, DNS, DHCP and enterprise networking
Ubuntu Linux administration
ITIL-based service management environments
Jira, Confluence and Bitbucket
Experience leading Azure migrations and infrastructure modernisation
Strong experience of infrastructure security, disaster recovery and business continuity
Proven ability to mentor engineers and lead technical projects
Excellent troubleshooting, analytical and communication skills

Desirable

Azure certifications (AZ-104/AZ-305), ITIL Foundation and experience with Oracle environments or Arctic Wolf EDR.

If you're looking for a role where you can influence technical direction, work on major Azure transformation projects and play a key part in the future of a growing infrastructure environment, we'd like to hear from you.

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