Senior IT Infrastructure & Server Engineer - Dorchester

ARCA Consulting Ltd; Dorchester; Hybrid; GBP 40,000 - 52,000; Full time

Job summary

ARCA Consulting Ltd is seeking a technically strong 3rd line IT professional to join their infrastructure team on a hybrid basis. The role focuses on hands-on support across Azure, 365, MECM/Intune, Windows Server and virtualization, with a strong emphasis on practical problem-solving and ownership of incidents.

The position involves working with cloud and on-premises technologies, contributing to projects, and maintaining documentation.

Qualifications

• 3rd line infrastructure support in a busy enterprise IT environment.
• Experience with Microsoft Azure, Entra ID, and Microsoft 365.
• Strong Windows Server and desktop management skills.
• Proficient with MECM/ConfigMgr and Intune/Endpoint Manager.
• Basic networking and infrastructure troubleshooting ability.
• Experience with SQL Server, Citrix, DNS, VPNs, and enterprise backup is a plus.
• Proven problem-solving skills and ownership from investigation to resolution.
• Good communication to coordinate with service desk and teams.

Responsibilities

• Provide hands-on 3rd line infrastructure and technical support, working closely with the Service Desk and wider IT teams.
• Act as a technical escalation point for complex infrastructure issues and troubleshoot problems through to resolution.
• Take a technical lead during P1/P2 major incidents, coordinating activity across relevant resolver teams.
• Support and maintain a hybrid Microsoft infrastructure environment, covering both cloud and on-premises technologies.
• Work extensively with Microsoft Azure, Entra ID, Active Directory and Microsoft 365.
• Manage and support the end-user computing environment using Microsoft Configuration Manager (MECM/ConfigMgr) and Intune.
• Support Windows Server and desktop environments, including patching, certificates and platform optimisation.
• Work with virtualisation technologies including VMware and Hyper-V.
• Support software deployment, provisioning and policy compliance through ConfigMgr and Intune.
• Investigate recurring issues, carry out root cause analysis and implement preventative solutions.
• Contribute to infrastructure projects, technical changes and service improvements from planning through to implementation and testing.
• Maintain technical documentation and help establish infrastructure standards and best practice.
• Participate in a 24/7 on-call rota for business-critical services.

Skills

3rd line support

Microsoft Azure Local

Microsoft 365

Windows Server

MECM/ConfigMgr

Intune/Endpoint Manager

Networking basics

SQL Server

Citrix

Job description

Salary: £40,000 - 52,000 per year

Requirements:

• We are looking for a technically strong, hands-on professional comfortable operating at 3rd line level.


• We ideally want experience in a sizeable corporate or enterprise IT environment.


• We need strong experience with Microsoft Azure Local.


• We need strong experience with Microsoft 365.


• We need strong experience with Windows Server and desktop environments.


• We need strong experience with Microsoft Configuration Manager (MECM / ConfigMgr).


• We need strong experience with Microsoft Intune / Endpoint Management.


• We need basic networking and infrastructure troubleshooting experience.


• Experience with SQL Server, Citrix, DNS, Always On VPN, Managed File Transfer (MFT), FTPS/SFTP and enterprise backup solutions would be beneficial.


• We are looking for a strong problem solver with a methodical approach to troubleshooting.


• We value good communication skills and the ability to take ownership of issues from initial investigation through to resolution.

Responsibilities:

• Provide hands-on 3rd line infrastructure and technical support, working closely with the Service Desk and wider IT teams.


• Act as a technical escalation point for complex infrastructure issues and troubleshoot problems through to resolution.


• Take a technical lead during P1/P2 major incidents, coordinating activity across relevant resolver teams.


• Support and maintain a hybrid Microsoft infrastructure environment, covering both cloud and on-premises technologies.


• Work extensively with Microsoft Azure, Entra ID, Active Directory and Microsoft 365.


• Manage and support the end-user computing environment using Microsoft Configuration Manager (MECM/ConfigMgr) and Intune.


• Support Windows Server and desktop environments, including patching, upgrades, certificates and platform optimisation.


• Work with virtualisation technologies including VMware and Hyper-V.


• Support software deployment, provisioning and policy compliance through ConfigMgr and Intune.


• Investigate recurring issues, carry out root cause analysis and implement preventative solutions.


• Contribute to infrastructure projects, technical changes and service improvements from planning through to implementation and testing.


• Maintain technical documentation and help establish infrastructure standards and best practice.


• Participate in a 24/7 on-call rota for business-critical services.

Technologies:

• Active Directory


• Azure


• Citrix


• Cloud


• Hyper-V


• Support


• Microsoft 365


• Microsoft Intune


• SQL


• VPN


• VMware


• Windows


• Office 365

More:

We are a leading e-commerce company offering an initial 10–12 month fixed-term contract with the potential to become permanent. The role is hybrid, with 2 days per week onsite, and provides a genuinely hands-on infrastructure / 3rd line support opportunity within a well-established and recognisable business. You will join our infrastructure team and gain exposure to a broad Microsoft, cloud and on-premises technology environment, with the opportunity to make a real impact through infrastructure improvements and automation.

last updated 38 week of 2026