Senior Infrastructure Consultant

Overview

As a Senior Infrastructure Consultant, you will provide senior-level consultancy and technical leadership across complex customer environments, spanning on-premises, hybrid, and cloud technologies. You will act as a senior escalation point, drive technical discovery and design, and push service reliability and continuous improvement. UK SC clearance eligibility is a prerequisite given client environments. You will work with cross-functional teams to deliver secure, resilient infrastructure solutions at scale.

Pay / Benefits

• flexible/remote working
• pension
• private healthcare
• life assurance
• education and certifications support
• employee wellbeing programs

Responsibilities

• Provide senior consultancy and infrastructure support across multiple managed service customers and technologies
• Serve as a technical escalation point for Microsoft Exchange, Exchange Online, Citrix, Windows Server, identity, virtualization, networking, backup, monitoring and cloud incidents
• Support and optimize Microsoft Exchange (including hybrid and migrations), mail flow, security, availability, and DR
• Manage Citrix environments (VAD, StoreFront, Delivery Controllers, Gateway, profile management)
• Collaborate with customers and internal teams to gather requirements, design solutions, implement changes, and drive service improvements
• Plan and deliver upgrades, migrations, patching, lifecycle work, resilience improvements with testing and rollback
• Maintain designs, runbooks, documentation, asset info and knowledge articles
• Operate within ITIL and ISO 20000 processes for incidents, problems, changes, requests, and configurations
• Mentor engineers and provide clear customer-facing updates on incidents, changes, risks and delivery progress
• Adhere to security requirements and work in environments requiring UK Security Check clearance

Key requirements

• 7+ years’ experience in enterprise infrastructure consultancy, engineering, managed services, or technical operations
• Hands-on Microsoft Exchange Server and Exchange Online expertise (hybrid, migrations, mail flow, security, HA, troubleshooting)
• Hands-on Citrix technologies (VAD, StoreFront, Delivery Controllers, Gateway/ADC, profile management)
• Experience with on-premises and hybrid infrastructure (Windows Server, Active Directory, DNS, DHCP, VMware/Hyper-V, storage, backup, networking)
• Experience with Microsoft 365 and Azure services (cloud-on-premises integration)
• Ability to analyze and resolve complex issues across messaging, end-user computing, identity, server, virtualization, networking, monitoring and security
• Experience leading technical discovery, designs, implementation plans, risk assessment, and controlled changes
• Strong ITIL knowledge and experience in a controlled managed service environment
• Strong customer-facing communication, stakeholder management, documentation, and knowledge transfer skills
• Ability to work independently, manage competing priorities, and support multiple environments
• Mandatory: Eligible to obtain UK Security Check clearance
• Relevant certifications (Microsoft, Citrix, VMware, ITIL, security, or cloud) desirable

• customer-facing communication
• stakeholder management
• mentoring/knowledge sharing
• Microsoft Exchange Server/Exchange Online (hybrid, migrations, mail flow, security)
• Citrix Virtual Apps and Desktops (Delivery Controllers, StoreFront, MCS/PVS, Gateway/ADC, profiles)
• Windows Server administration (Active Directory, DNS, DHCP, file/print, patching)

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