Network and Infrastructure Manager

La Fosse Associates
London
4 days ago
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Role: Network & Infrastructure Manager
Location: Westminster, London (4 days a week, 1 day wfh)
Salary: £70,000 + Benefits

The position:

To configure, maintain, secure & develop the IT infrastructure, ensuring the continued provision of secure network, cloud & remote resources required across the group with minimal downtime.

To provide and secure a multi-layered infrastructure to support multiple business models.

To provide technical infrastructure support of all server, cloud, security and networking platforms. Maintain effective data management, backup and DR capabilities, and provide elevated support assistance to helpdesk where needed, both within local offices and remote sites to enable all users to perform their daily job functions to the optimum level.

To manage the MIS Servicedesk, responsible for the configuration and maintenance of the group helpdesk ticketing platform (TrackIt!). Management of ticket lifecycles, technician workload balancing and reporting.

IT Infrastructure Management:Oversee the smooth operation of the Group IT infrastructure, ensuring stability, performance, and scalability across key components including Microsoft Teams Telephony, hybrid server environments, networking, cloud platforms, data management, print services, email, and the O365 ecosystem. Guarantee that MIS Service Desk SLA metrics are consistently achieved.

Hands-On Expertise:Regularly engage in hands-on technical work across networking, infrastructure, and cybersecurity domains, ensuring best practices are applied. Provide technical leadership for projects requiring in-depth expertise.

Network and System Security:Design, implement, and maintain secure access to internal and cloud-based systems using VPN services. Architect hybrid cloud security solutions, including Identity and Access Management (IAM), Identity Federation, Single Sign-On (SSO), Multi-Factor Authentication (MFA), access control policies, security key management, and firewall rules. Actively monitor and respond to security alerts to mitigate risks.

Technology and Cybersecurity Leadership:Maintain cutting-edge knowledge of the latest technologies, cloud computing advancements, industry best practices, and emerging security solutions. Continuously expand expertise in areas such as hybrid cloud environments, threat detection, and vulnerability remediation to improve organizational capabilities.

Experience needed:

  • Advanced knowledge of Microsoft Azure and Microsoft Cloud Security, Storage & Networking.
  • Advanced knowledge of VMWare Virtual Infrastructure & vSphere – implementation and management coupled with Advanced ESXi Server & VMWare Server knowledge/skills.
  • Advanced knowledge of cloud-based systems for communications, email, collaboration and file sharing i.e. Office 365; including SharePoint, Exchange Online, OneDrive and Microsoft Teams.
  • Significant knowledge in Mobile Device Management and platforms including Microsoft Intune and Endpoint Manager.
  • Significant administrative skills in Microsoft SQL Server to latest version.
  • Advanced knowledge of Microsoft Windows Server.
  • Advanced knowledge of Active Directory infrastructure Management and implementation including DHCP and DNS.
  • Advanced knowledge of Microsoft Windows Desktop to latest version (including earlier versions as needed).
  • Advanced knowledge of Windows Server (e.g. 2019 / 2025). Remote Desktop services and Farms (including design, implementation, and maintenance).
  • Significant knowledge of Microsoft Office 365.
  • Significant knowledge of Microsoft Exchange Server.
  • Advanced and significant knowledge of Network Security and Cyber Security Platforms and infrastructure measures including SSO e.g. ADFS, 2FA e.g. Duo, IDS/IPS, Forcepoint and Mimecast Email Security (including the creation of policies).
  • Advanced and significant knowledge of Cloud based backup configuration and management solutions e.g. Barracuda and Datto. Data management and premise and cloud disaster recovery.
  • Advanced knowledge of Fast Ethernet & Gigabit Switches, Routers (Enterprise Cisco Routers & ADSL/Cable Routers).
  • Advanced and significant knowledge of SAN’s (Fibre Channel & iSCSI – e.g. iXsystems TrueNAS knowledge desirable).

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