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    Network & Infrastructure Service Manager

    Technology
    Tria
    Sheffield, City
    Contract
    Competitive
    On-Site

    Job Description

    Location: Sheffield (2-3 days onsite)

    Duration: 6 months

    Rate: TBC, approx. (Apply online only)/day inside IR35

    Are you a Network & Infrastructure leader, with experience of optimising operational excellence as well as driving major change programmes? Do you have a background managing large scale suppliers against agreed standards and SLAs? If so, apply now.

    This contract will see the Network & Infrastructure Service Manager join an enterprise scale organisation at a time of major transformation. It's a great opportunity to make a significant contribution in a challenging and rewarding environment.

    The Network & Infrastructure Service Manager will be responsible for the following:

    • Own the operational delivery of Network and Infrastructure services, ensuring stability, availability and performance

    • Provide strong technical leadership across enterprise network, compute, storage, and infrastructure platforms

    • Lead BAU service management, incident resolution and problem management

    • Drive delivery of infrastructure programmes and projects

    • Support technology transformation initiatives and roadmap delivery

    • Manage suppliers and service partners against agreed SLAs

    • Act as the senior escalation point for major incidents

    • Work closely with Architecture, Engineering, Security and Service Operations teams to align priorities and delivery outcomes

    • Ensure infrastructure services remain secure, resilient, compliant and fit for future business needs

    • Balance operational excellence with strategic change

    Essential Experience

    • Strong technical background in enterprise networking and infrastructure

    • Proven experience running large-scale BAU operations and service delivery

    • Demonstrable track record delivering infrastructure projects and transformation programmes

    • Experience managing third-party suppliers and multi-vendor environments

    • Strong stakeholder management and communication skills

    • ITIL service management experience preferred

    The successful Network & Infrastructure Service Manager will be technically credible, and comfortable operating in complex environments undergoing change. You'll be pragmatic, proactive, and results-oriented.

    If this sounds like you, please apply to discuss further.

    Network & Infrastructure Service Manager

    Posted on October 4, 2026

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