Job Description:

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.