Infrastructure Technician

JR United Kingdom; Chelmsford; On-site; GBP 30,000 - 45,000; Full time

Job summary

A leading company in Chelmsford is seeking a technical and hands-on Infrastructure Technician. This role involves optimizing network operations, supporting IT projects, and maintaining server infrastructure, providing an exciting opportunity for someone looking to deepen their expertise in networking and security.

Qualifications

• Hands-on experience with Cisco networking equipment.
• Strong problem-solving skills and customer-focused.
• Basic knowledge of server administration and virtualization.

Responsibilities

• Provide 1st and 2nd line IT support for various issues.
• Assist with network administration and maintenance.
• Support IT projects including system migrations and upgrades.

Skills

Networking

Problem-solving

Troubleshooting

Communication

Education

Experience with Microsoft Office 365

Hands-on experience with Cisco

Basic server administration

Tools

Cisco switches and routers

Windows Server

Azure cloud technologies

Job description

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We are looking for a technical and hands-on Infrastructure Technician to support our network and server infrastructure, ensuring seamless operation across the business. This role is ideal for someone with solid IT experience, looking to gain deeper exposure to networking, security, and infrastructure management.

Key Responsibilities

IT Support & Troubleshooting - Provide 1st and 2nd line support for hardware, software, and connectivity issues.

Network Administration - Assist with maintaining Cisco networking equipment, including switches, routers, and firewalls.

Switch Patching & Configuration - Support 3rd parties with patching and updates on network switches, ensuring correct VLAN assignments and connectivity.

Wireless & LAN Management - Support Wi-Fi networks, troubleshoot connectivity issues, and optimise performance across multiple sites.

System Administration - Assist with managing Microsoft Office 365, Active Directory, Intune, SharePoint and basic server tasks.

Monitoring & Security - Help monitor network traffic, identify potential security threats, and escalate critical issues as needed.

Backup & Disaster Recovery - Support and monitor 3rd party backup solutions, support disaster recovery planning, and ensure business continuity.

Documentation & Process Improvement - Document network configurations, IT procedures, and troubleshoot processes for future reference.

IT Projects & Upgrades - Support infrastructure projects, including network upgrades, system migrations, and process automation.

Required Skills & Experience

Hands-on experience with networking, including Cisco switches and routers.

Basic knowledge of switch patching, VLAN configuration, and access control lists (ACLs).

Experience with Microsoft Office 365, Active Directory, and Windows environments.

Strong problem-solving and troubleshooting abilities.

Excellent communication skills with a customer-focused approach.

Familiarity with firewall and security principles (desirable but not essential).

Exposure to Cisco Meraki or similar cloud-managed network solutions.

Knowledge of ITIL or other service management frameworks.

Understanding of basic server administration and virtualisation technologies.

Windows Server 2008R2-2019 Operating Systems and Hybrid Active Directory, GPO management, Hybrid Exchange, Hyper-V management

An understanding of Azure cloud technologies

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