3rd Line IT Systems Engineer

i4 Jobs; England; On-site; GBP 35,000 - 50,000; Full time

Job summary

A leading IT Services business in Essex is seeking a skilled I.T Systems Engineer to support a diverse range of customers in a fast-paced environment. The successful candidate will lead IT project activities, provide 2nd and 3rd line support, and maintain critical systems, contributing to an evolving IT landscape. Ideal applicants will have strong technical knowledge, relevant certifications, and exceptional interpersonal skills.

Qualifications

• Experience providing 2nd and 3rd line support.
• Knowledge of LAN/WAN infrastructures, including Switches and Routers.
• Ability to travel and provide out of hours support.

Responsibilities

• Completing IT project activities and taking technical lead as required.
• Providing user-friendly support across network infrastructures and business applications.
• Creating technical documentation and supporting users in a professional manner.

Skills

Problem Resolution

Interpersonal Skills

Time Management

Technical Lead Experience

Education

Relevant technical certification (MCSE, MCITP, Cisco)

Tools

Windows Active Directory

VMWare

Hyper-V

SQL Server

Backup Solutions

Job description

I.T Systems Engineer – Colchester – Permanent – Flex / Remote Working – Salary £35,000 – £50,000

We have a fantastic opportunity for very capable 3rd Line IT Systems Engineers based in Essex. We are seeking those with wide ranging technical knowledge and strong commercial acumen to join an established IT Services business in Essex. The successful applicant will be supporting a diverse range of customers in a very fast paced technical environment. You will provide user friendly support and development to a variety of clients, including network infrastructure, hardware, line of business applications and telecoms.

• Completing IT project activities and taking technical lead where required.
• Fault determination and resolution in the event of a hardware/software failure which may include third party liaison. On-site visits when required to resolve the issue.
• Provide installation, administration, and maintenance including backup verification across diverse systems which include Microsoft Active Directory infrastructure, Remote Desktop Servers, Azure, AWS, Hyper-V, SharePoint, Office365, iSCSI SAN devices and other systems.
• Create technical documentation and Standard Operating Procedures for handover of services to the support team.
• Provide support to all users using MS Windows desktops and laptops (up to Windows 10).
• Administer, monitor and where required report from security systems inclusive
• Provide in a professional manner telephone and email 2nd and 3rd line support (1st line cover where needed), recording, fixing and escalating to third party hardware and software providers as necessary. You will then be expected to follow through with appropriate fix or fixes as advised until problem resolution.
• Strong interpersonal and communication skills
• Experience of a fast paced environment
• Professional and positive attitude with the ability to provide concise and knowledgeable 3rd line support
• Ability to stay calm and work methodically and accurately when under pressure.
• Experience in taking a technical lead
• Keeping up to date with the IT industry, using your knowledge to highlight and implement new ideas and systems
• Ability to travel
• A friendly and approachable team player, able to work with the wider team to resolve issues
• Flexibility out of hours during 3rd line support issues, site visits, maintenance windows and projects

Technical Ability:

Due to the diverse range of clients you will be working with we are looking for people to have as much IT knowledge as possible. Here are some of the key areas but the role is not limited to these technologies.

• Relevant technical certification e.g. MCSE, MCITP, Cisco etc.
• Excellent working knowledge of Windows Active Directory, Microsoft Exchange and backup solutions
• Working knowledge of VMWare, Hyper-V, SAN technology and SQL Server
• Good knowledge of LAN/WAN infrastructures. (Including Switches, VLANS, Firewalls and Routers.)
• Azure, AWS, Office365, SCCM and SCOM (Desirable)

Please apply along with the most recent example of your CV

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Created on 16/07/2025 by TN United Kingdom