Senior IT Infrastructure Engineer

Flint Bishop Solicitors; Morley; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Competitive salary

Bonus potential

Leeds office

Career development

25 days holiday

Holiday carryover

Birthday day off

Staff discounts

Social events

Discounts on legal services

Job summary

Flint Bishop Solicitors in Derby is seeking a Senior IT Infrastructure Engineer to own the design, maintenance and continual improvement of the firm’s core IT systems. You will ensure stability, performance and security across Windows, Citrix and Nutanix environments.

Reporting to the IT Infrastructure & Security Manager, you will lead projects, provide third‑line support, and collaborate with the IT Service Desk and developers.

Qualifications

• Significant senior infrastructure experience in a professional services or legal environment.
• Hands-on Nutanix AHV and Prism management.
• Expertise in Citrix Virtual Apps and Desktops.
• In-depth knowledge of Windows Server, AD, Exchange Online, 365 and Azure.
• Strong networking knowledge including VLANs, routing and firewalls.
• Experience with ITIL-based support and change management.
• Excellent problem-solving and communication skills.

Responsibilities

• Design, maintain and optimise Nutanix HCI environment for high availability.
• Manage Citrix VAD infrastructure and user experience.
• Support Microsoft stack and Azure services.
• Oversee core networking, including switches and firewalls.
• Deliver third-line support as escalation point.
• Lead and deliver infrastructure projects with minimal disruption.
• Produce technical docs and diagrams.
• Ensure backup, DR and business continuity.
• Mentor junior engineers and collaborate with teams.

Skills

Nutanix AHV/Prism

Citrix Virtual Apps and Desktops

Windows Server

Active Directory

Exchange Online / Microsoft 365

Azure

Networking fundamentals

ITIL & Change management

Troubleshooting

Communication & Stakeholder engagement

Tools

Nutanix AHV

Citrix Virtual Apps and Desktops

PowerShell

Veeam / Rubrik

Intune / SCCM

AzureAD

Job description

We are looking for a Senior IT Infrastructure Engineer to support and develop our core IT systems and infrastructure.

The Senior IT Infrastructure Engineer is responsible for the design, maintenance, and continual improvement of the firm's core IT infrastructure, ensuring stability, performance, and security across all systems and services. Working within a Microsoft-based environment built on Nutanix Hyper-Converged Infrastructure (HCI) and Citrix virtualisation, the role provides senior-level technical expertise, project delivery, and third-line support to the firm's 400+ users.

Reporting to the IT Infrastructure & Security Manager, this is a hands‑on role requiring deep technical knowledge, strong troubleshooting skills, and a proactive approach to maintaining a secure, resilient, and scalable infrastructure that underpins the firm's business operations.

Working hours: Monday to Friday full time. In addition to usual hours of work, you will be on call, and you must be flexible to work additional hours on evenings and weekends will be required for emergency cover and systems maintenance.

Office Location: Derby head office with remote and onsite support as required at our other offices

Key Responsibilities

Infrastructure Design, Maintenance & Support

• Manage, maintain, and optimise the firm's Nutanix HCI environment, ensuring high availability, performance, and scalability.
• Administer and support Citrix Virtual Apps and Desktops infrastructure, including provisioning, user experience optimisation, and troubleshooting.
• Support and maintain the firm's Microsoft stack, including Windows Server, Active Directory, Group Policy, Exchange Online, Microsoft 365, and Azure services.
• Manage core networking infrastructure including switches, firewalls, VPNs, and wireless systems.
• Provide advanced (3rd-line) technical support and act as an escalation point for the IT Service Desk and Infrastructure teams.
• Ensure system monitoring, alerting, and performance reporting are in place and effective.

Project Delivery

• Lead and deliver infrastructure projects from design to implementation, ensuring minimal disruption to the business.
• Contribute to the planning and execution of technology refreshes, upgrades, and migrations.
• Evaluate and recommend new technologies to enhance performance, security, and resilience.
• Produce and maintain technical documentation, network diagrams, and operating procedures.

Security, Resilience & Compliance

• Maintain robust backup, disaster recovery, and business continuity solutions, ensuring regular testing and documentation.
• Work to ensure systems comply with ISO 27001 and firm-wide information security policies.
• Manage patching, firmware updates, and configuration management to maintain security and stability.
• Participate in regular system and security audits.

Collaboration & Leadership

• Work closely with the IT Infrastructure, IT Service Desk and Systems Development teams to ensure cohesive service delivery.
• Mentor infrastructure engineers and provide technical guidance to the wider IT team.
• Contribute to capacity planning, budgeting, and procurement discussions.

Skills, Knowledge and Expertise

Essential

• Significant experience in a senior infrastructure engineering or 3rd-line role, ideally within a professional services or legal environment.
• Strong hands‑on experience with Nutanix AHV and Prism management.
• Expertise in Citrix Virtual Apps and Desktops (or similar VDI environments).
• In‑depth knowledge of Microsoft Windows Server, Active Directory, Exchange Online, Microsoft 365, and Azure.
• Strong understanding of networking fundamentals, including VLANs, routing, switching, and firewalls.
• Proven experience supporting high-availability environments with strong uptime requirements.
• Excellent problem‑solving skills and ability to troubleshoot complex technical issues.
• Experience with ITIL-based support practices and change management processes.
• Excellent troubleshooting and problem‑solving skills.
• Strong communication and stakeholder engagement abilities.

Desirable

• Exposure to or certification in Nutanix (NCP/NCM), Citrix (CCA/CCP), or Microsoft (MCSA/MCSE/Azure).
• Experience with scripting or automation tools (e.g. PowerShell).
• Knowledge of backup and recovery platforms (e.g. Veeam, Rubrik).
• Familiarity with endpoint management tools (e.g. Intune, SCCM).
• Experience with enterprise security solutions and best practices.
• Disclosure will be required in the event that a position is offered.
• Financial checks will be required in the event that a position is offered.

Benefits

What we offer?

• Competitive salary
• Bonus potential
• Great working environment at our Leeds offices
• Career Development opportunities
• 25 days holiday plus bank holidays
• Options to buy & sell 1 week's holiday
• 1 week's holiday carry over
• Extra day off for your birthday
• Staff card discount scheme for local shops
• Social days and evenings on the firm
• Staff discounts on legal services