Infrastructure and Networks Analyst

Vertex it Solutions; Greater London; On-site; GBP 45,000 - 65,000; Full time

Job summary

A technology solutions company in Greater London seeks an experienced Infrastructure & Networks Analyst to manage and enhance their IT infrastructure across multiple sites. You'll take ownership of the operations including LAN, WAN, Wi-Fi, and firewalls. Responsibilities include supporting Microsoft technologies, overseeing ticket resolution, and contributing to change management. The ideal candidate has strong experience in infrastructure and networking with a focus on security and documentation, along with the ability to work autonomously.

Qualifications

• Strong knowledge of Microsoft infrastructure including Azure, AD, Group Policies, DNS, DHCP.
• Solid networking expertise across LAN, WAN, Wi-Fi, and network security.
• Proven experience in a similar role with strong analytical and documentation skills.

Responsibilities

• Manage and maintain the full infrastructure estate.
• Provide 2nd/3rd-line support for Microsoft technologies and VMware.
• Contribute to change management activities and ensure accurate configuration management.

Skills

Microsoft infrastructure knowledge

Networking expertise

Analytical skills

Troubleshooting skills

Documentation skills

Tools

Azure

VMware

SolarWinds

MECM

Linux

Job description

Infrastructure & Networks Analyst

We’re looking for an experienced Infrastructure & Networks Analyst to manage and enhance our IT infrastructure across multiple sites. You’ll take ownership of day-to-day Infrastructure / network operations (LAN, WAN, Wi-Fi, Firewalls) while working closely with external partners to ensure a secure, stable, and high-performing environment.

Key Responsibilities

• Manage and maintain the full infrastructure estate, ensuring systems are patched, secure, and aligned with company standards.
• Support and optimise our network infrastructure, including DNS, DHCP, load balancing, MPLS, VPLS, OSPF, LACP, and firewall technologies.
• Provide 2nd / 3rd-line support for Microsoft technologies (Azure, AD, Group Policy, DNS / DHCP, PowerShell), VMware, storage platforms, SolarWinds, and monitoring tools.
• Oversee infrastructure-related tickets, incident resolution, problem management, and documentation.
• Contribute to change management activities, including planning, testing, and implementing infrastructure changes.
• Ensure accurate configuration management (CMDB), support disaster recovery activities, and collaborate with suppliers to resolve issues quickly.
• Identify opportunities to improve processes, documentation, and infrastructure performance.

What We’re Looking For

• Strong knowledge of Microsoft infrastructure : Azure, AD, Group Policies, DNS / DHCP, Windows Server / Desktop, Office 365, VMware (incl. SRM).
• Solid networking expertise across LAN / WAN, Wi-Fi, switching, routing, firewalls, fibre, and network security.
• Experience with MECM / Intune, Linux, storage solutions, SolarWinds / PRTG, monitoring, patching, MFA / SSO, and hybrid cloud networking.
• Understanding of ITIL processes and cloud cost optimisation.
• Proven experience in a similar infrastructure / network role with strong analytical, troubleshooting and documentation skills.

Highly organised, detail-oriented, customer-focused, and able to work autonomously with a strong sense of ownership