Network Manager

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. 
• 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.

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.