The Network Manager is responsible for the day-to-day operation, availability & security of the internal ICT networks that support the operation & maintenance of the facility. The site-based role owns the installation, monitoring & maintenance of network infrastructure, leads troubleshooting & incident resolution, while providing technical support & guidance to network end-users & site teams.
Core Responsibilities & Deliverables
* Manage internal ICT systems, network infrastructure & associated services to support secure & efficient operation of the Corporate IT & Operational Technology (OT) networks in our datacentre facilities & office locations.
* Support the installation, commissioning & testing of new network hardware & software.
* Own the identification, resolution & escalation of technical issues across network hardware & software.
* Evaluate, validate & implement critical vendor updates to network infrastructure.
* Deliver responsive on-site support to network users, ensuring minimal disruption to operations.
* Manage & prioritise internal service requests, escalating to the Network Operations Manager where necessary.
* Develop, prepare & govern IT change control documentation in collaboration with key stakeholders.
* Monitor & analyse device security & event logs to proactively identify risks, issues or threats.
* Maintain & continuously improve network configurations & documentation.
* Conduct & document regular visual inspections of network infrastructure to ensure operational readiness.
* Collaborate closely with the Maintenance Team to ensure reliable BMS / OT network performance.
* Partner with the Security Team to support & enhance Security network operations.
* Provide hands‑on support & troubleshooting for site IT hardware & network connectivity when required.
Role Deliverables
* Monitor & manage datacentre IT network performance, targeting 99.99% uptime.
* Provide operational support & technical guidance to the Maintenance & Security teams.
* Own the optimisation, reporting & performance metrics of our Building Management (BMS) systems.
* Drive efficiency improvements in collaboration with the global IT team.
* Support cross‑site collaboration by assisting other datacentres with troubleshooting & technical guidance.
* Coordinate & deliver IT hardware setup & system access for new employees alongside the global IT team.
* Own ICT budget planning, forecasting & OPEX control, ensuring cost‑effective operations.
* Manage external IT service providers, coordinating support when required to meet business needs.
Team management responsibilities & key relationships
* Reports to Data Centre Manager.
* Coordinate with central Network Operations Manager for ICT program, compliance & technical support.
* Collaborates with internal Maintenance & Security teams, contractors & other site stakeholders.
* Provide 1st line support to Security team regarding building security systems (CCTV & Access control).
* Provide 1st line support to Maintenance team regarding Building Management Systems (BMS).
SKILLS, qualifications AND EXPERIENCE
Core Skills (Required)
* Strong written & verbal communication skills across diverse stakeholder groups.
* Ability to work independently in a busy operational environment.
* Able to demonstrate strong team working & interpersonal skills.
* Proven troubleshooting & analytical problem‑solving skills.
* Proven track record of developing, managing & maintaining critical ICT networks & systems.
* 3rd party supplier & vendor management experience.
Qualifications
* Strong Cisco Enterprise switching background, CCNA certification preferable (or equivalent experience).
* Strong Cisco Meraki background, ECMS certification preferable (or equivalent experience).
* Strong network security background, CompTIA SEC+ certification would be an advantage.
Excellent working knowledge of networking & security technologies including
* Cisco Enterprise Switching & FirePower Security Appliances
* Cisco Meraki Wired & Wireless Networking Solutions
* Palo Alto Next Generation Firewalls
* Microsoft Windows Server & Active Directory
* Hypervisor based Virtual Server environments
* IP Telephony & Video Collaboration Solutions
* PRTG Network Monitor
* Microsoft Windows & Office 365
Experience (Desired)
* Previous experience in a similar role for 3 years.
* Previous experience of working in a datacentre or other critical environments.
* Detailed knowledge of wired & wireless LAN architectures & protocols.
* Experience of managing & maintaining complex multi‑vendor network infrastructure.
* Previous experience of managing operational network security.
* Previous experience of managing & troubleshooting critical wired & wireless networks.
* Previous experience with 3CX IP Telephony would an advantage.
* Previous experience with ForeScout network & OT security solutions would be an advantage.
* Previous experience with Schneider EcoStruxure Building Management Systems (BMS) would be an advantage.
* Previous experience with Genetec CCTV & Access Control systems would be an advantage.
Note: The successful candidate will be required to complete pre‑employment screening to BS7858:2019, or national equivalent. (Covers: Confirmation of identity, legal right to work, financial probity, criminal history and associations with proscribed organisations). It is the policy of Pure DC that all individuals have a responsibility for the security and protection of company's Information and IT Resources over which they have control, according to their role.
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