Job Description:

Infrastructure Engineer

An established financial services organisation is looking to appoint a Senior IT Infrastructure Engineer to play a key role in maintaining and developing its enterprise technology estate. This position combines hands-on technical engineering with infrastructure ownership, supporting business-critical platforms used across the organisation.

Working within a highly regulated environment, you'll be responsible for the reliability, security and ongoing enhancement of server infrastructure, virtualisation, networking, endpoint technologies and core business applications. You'll also contribute to infrastructure projects, mentor colleagues and help shape future technology improvements.

What You'll Be Doing

As a senior member of the infrastructure team, you'll take ownership of day-to-day operations across the organisation's core technology platforms while supporting wider transformation initiatives.

Your responsibilities will include:

Managing Windows Server and Linux environments to ensure high availability and operational stability.

Supporting and optimising VMware virtual infrastructure across production environments.

Maintaining enterprise backup, recovery and disaster recovery capabilities using industry-leading technologies.

Monitoring infrastructure performance and proactively resolving capacity, availability and resilience issues.

Administering Microsoft 365 services and supporting hybrid infrastructure technologies.

Managing Active Directory, Group Policy, identity administration and user access management.

Supporting desktop operating systems, laptops, mobile devices and collaboration technologies across multiple office locations.

Maintaining endpoint security controls, encryption technologies and vulnerability remediation processes.

Working closely with cyber security teams to strengthen infrastructure security and reduce operational risk.

Supporting enterprise patch management and software deployment across server and desktop environments.

Troubleshooting complex infrastructure, networking and systems issues while acting as a senior technical escalation point.

Contributing to infrastructure upgrades, technology refresh programmes and strategic improvement projects.

Producing technical documentation, operational procedures and infrastructure standards.

Working alongside third-party suppliers and internal stakeholders to deliver stable, secure technology services.

Enterprise Systems

The environment includes a range of specialist financial platforms supporting treasury operations, payments, market data, secure financial messaging, compliance and business operations.

Previous experience supporting financial services applications within regulated organisations would be highly advantageous.

Networking & Security

You'll provide administration and support across the organisation's network and security estate, including:

Enterprise switching and routing

Firewall administration

DNS, DHCP and TCP/IP services

Secure remote connectivity

Network monitoring and performance optimisation

Endpoint protection technologies

Vulnerability management

Security monitoring platforms

Certificate and encryption management

Technical Environment

You'll have strong experience across most of the following technologies:

Infrastructure

• Windows Server
• Red Hat Enterprise Linux
• VMware vSphere / vCenter
• Microsoft 365
• SQL Server
• Enterprise virtualisation
• Hybrid infrastructure

Backup & Recovery

• Veeam Backup & Replication
• Disaster Recovery
• Infrastructure monitoring

Networking

• Cisco networking
• Fortinet firewalls
• LAN/WAN
• Routing & Switching
• DNS
• DHCP

Security

• Endpoint Detection & Response (EDR)
• Endpoint Encryption
• Data Loss Prevention
• SIEM solutions
• Vulnerability Management
• SSL Certificate Management

Hardware

• Enterprise Dell server platforms
• SAN storage technologies

About You

We're looking for an experienced infrastructure professional who enjoys taking ownership of complex enterprise environments and delivering reliable technology services.

You'll ideally have:

• Five or more years' experience supporting enterprise infrastructure.
• A background within banking, financial services or another highly regulated sector.
• Strong troubleshooting and problem-solving skills.
• Experience working within virtualised server environments.
• A broad understanding of infrastructure security principles.