Infrastructure Services Analyst in London

Energy Jobline ZR; City Of London; On-site; GBP 50,000 - 70,000; Full time

Job summary

A global law firm seeks an Infrastructure Services Analyst in London to manage its IT infrastructure. This role involves maintaining networking topologies, administering systems like Azure and Windows Server, and conducting vulnerability analyses. Candidates should have 8+ years of experience in IT systems administration and strong communication skills. This position is full-time and offers opportunities for professional development.

Qualifications

• Minimum of 8 years’ experience in managing a complex IT environment.
• Experience working in an ITIL operational process environment.
• Ability to explain IT solutions to non-technical audience.

Responsibilities

• Maintain all networking topologies and devices.
• Administer and monitor systems including Windows Server and Azure.
• Conduct vulnerability analysis and manage patching.

Skills

IT skills across servers, networking, firewalls, cloud services

Interpersonal and communication skills

Troubleshooting skills

Education

8 years’ experience in IT administration

Tools

Azure

VMWare

Windows Server

Job description

The Firm

HFW is a sector focused global law firm. We have over 700 lawyers working across the Americas, Europe, the Middle East, Asia and Australia. We take a progressive approach to our roles in commercial business – thinking creatively and pragmatically to support our clients.

The Department

HFW IT is a high performing team that provides technology excellence enabled by a deep understanding of the Firm's people and processes. The department is headquartered in London with points of presence located across each geographical region. The IT Operations team is responsible for the delivery of a global network, in close collaboration with the IT Security and IT Service Delivery functions.

The Role

The Infrastructure Services Analyst (SFIA level 3/4) will be responsible for the day‑to‑day management of infrastructure topologies within the firm including but not limited to servers, storage devices, firewalls, WAN, LAN, WIFI, Internet and unified communications. The individual will also be responsible for ensuring all devices are configured and operating in line with industry best practices and HFW IT policies. The individual will assist with any Infrastructure Projects; this will involve all aspects, planning, communication, implementation and reporting.

The focus of the infrastructure team is our end users, and it is the aim of the team to ensure that their underlying infrastructure operates in a well‑maintained, controlled and consistent way. They will work with other colleagues to ensure that new systems and services are delivered in a secured manner and strike a sensible balance between being secure yet practical for our end users.

Duties and Responsibilities

• Maintain all networking topologies, including servers, storage devices, firewalls, WAN, LAN, WIFI, Internet and unified communications.
• Administer and monitor systems including Windows Server, Azure, Entra ID, Intune, VMWare, VXRail, Cato Platform, Rubrik, Commvault, Juniper Mist, and APC.
• Conduct vulnerability analysis and patch management using SEIM (Rapid7); manage patching of servers, appliances and switches.
• Ensure appropriate security controls are deployed and maintained across infrastructure in conjunction with the IT Security Team.
• Respond to technical incidents; invoke internal Change Management Process for configuration changes.
• Maintain accurate records of infrastructure components, maintenance activities, network connections, accounts and inventory by maintaining system documentation and the IT department Wiki.
• Liaise with and provide training and support to other IT colleagues to complete cohesive IT service for our customers.
• Contribute to a work environment that encourages knowledge of, respect for, and development of skills to engage with those of other cultures or backgrounds.
• Respond to emergency outages in accordance with business continuity and disaster recovery plans; also provide out‑of‑hours cover for technical escalations.
• Liaise with vendors and third parties for technical escalations and managed services under direction of the IT Manager (Infrastructure).
• Perform any other ad‑hoc duties as required.

The Person

• Technical skills: In-depth IT skills across servers, networking, firewalls, cloud services (Azure & M365) and end‑user devices. Ability to understand and explain IT solutions and issues to a non‑technical audience.
• Personality: Self‑driven, results‑oriented, positive outlook and clear focus on high quality. Reliable, tolerant and determined. Well‑presented and business‑like. Team player.
• Business skills: Communicate effectively with real understanding and empathy for the customer; position the customer’s interests first and foremost in every decision.

Key Skills and Experience Required

• Minimum of 8 years’ experience in an IT system or infrastructure administrator role managing a complex and global IT environment.
• Experience of working in an ITIL operational process environment and ideally having worked within an ISO 27001 accredited environment or equivalent.
• Well‑developed troubleshooting skills.
• Strong interpersonal and communication skills.
• Effective prioritisation and execution of tasks; adaptability to shifting priorities.
• Understanding of working with the business to align IT solutions with business needs.
• Ability to work on own initiative and as part of a team.
• Professional manner; ability to work under pressure and prioritise effectively.
• Dedicated and hard‑working.
• Flexible regarding working hours – normal office hours are 9.30am to 5.30pm; change windows may require work outside this time.

Essential Working Knowledge Of

• Cloud hosted services and applications, Exchange Online, Teams, OneDrive & SharePoint Online (M365 apps)
• Azure IaaS – configuring, monitoring and troubleshooting
• Cato SESE Firewalls, CASB, ZTNA
• Juniper Mist – monitoring of Juniper switches and access points
• On‑prem NetApp storage systems
• SolarWinds monitoring
• Flexpod UCS and Dell VxRail systems
• VMware vSphere, ESXi/vSAN/vCenter
• PowerShell and automation scripting
• Windows Server 2008–2025
• UCaaS platforms including MS Teams
• Microsoft infrastructure technologies – DHCP, DNS, WINS, Active Directory, Group Policy

Preferred Working Knowledge Of

• Commvault and Rubrik
• Network switches – Cisco, Juniper, Dell
• Subnets, vLAN, TCP/IP
• WAN including MPLS, LES, SDWAN, Internet networks
• Site‑to‑site and client VPN and Zero‑trust systems
• Networking protocols – SIP, ISDN, OSPF/BGP
• Knowledge of ITIL Service Operations processes and best practices

Preferred Skills and Qualifications (or equivalent workplace experience)

• Deploying and Managing Juniper Wireless Networks with Mist AI (JCMA & JNCIS‑MistAI‑Wireless)
• Deploying and Managing Juniper Wired Networks for Campus and Branch with Mist AI (JWMA & JNCIS‑MistAI‑Wired)
• VMware Certified Professional (VCP)
• Microsoft Azure Administrator Total Learning (AZ‑104) (MAZ104‑TL)
• Mastering Microsoft Teams Voice (QA365TEAMSV)
• Microsoft 365 Fundamentals
• ITIL Foundation Version 3 or 4

Additional Information

Kindly note that this job description is not contractual. It will be reviewed periodically and may be amended or altered to meet the needs of the firm.

Due to the high volume of applications, we will only contact candidates who have been shortlisted for an interview.

Please note that HFW works with a Supplier List (PSL). Recruitment agencies should refrain from submitting CVs unless they are part of the PSL and have been specifically engaged for a particular vacancy.

HFW aims to ensure equality of opportunity and we are actively working towards improving the diversity of our staff. All applications will be considered only on merit and the applicant’s suitability to meet the requirements of the role.

HFW collects and processes personal data relating to job applicants to manage its recruitment process. The firm is committed to being transparent about how it collects and uses that data and to meeting its data protection obligations. For information on how the firm will process your data, please see our Privacy Notice on our website, in the section "What we collect and how we use it".

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