3rd Line Wintel Engineer - DV Cleared

Project Freelance; Greater London; Hybrid; GBP 55,000 - 75,000; Full time

Job summary

Project Freelance is seeking a 3rd Line WINTEL Engineer to provide advanced Windows Server support in a security-conscious environment. You will manage VMware-backed server estates, build gold images, and maintain infrastructure documentation.

You should have hands-on experience with Active Directory, DNS, WSUS, and strong scripting / ITIL-aligned practices. Applicants with prior Defence-facing work will be at an advantage.

Qualifications

• Must have proven 3rd Line WINTEL or Windows Server infra engineering experience.
• Strong knowledge of Windows Server 2016/2019/2022.
• Hands-on AD, DNS and WSUS experience.

Responsibilities

• Provide 3rd Line technical support across Windows Server environments.
• Build, configure and maintain Windows Servers on VMware clusters.
• Create and maintain automated server builds, gold images, and technical docs.

Skills

Windows Server 2016/2019/2022

Active Directory

DNS

WSUS

VMware

Gold images

Automation scripting

ITIL processes

ITSM / SLAs

Stakeholder management

Security clearance / Defence exposure

Education

Tools

NetApp SAN

Cohesity

SCCM

PowerShell

ITSM tools

Job description

3rd Line WINTEL Engineer

Must have an Active DV Clearance

3rd Line WINTEL Engineer Responsibilities

• Provide 3rd Line technical support across Windows Server 2016, 2019 and 2022 environments.
• Build, configure and maintain Windows Servers hosted on VMware clusters.
• Create and maintain automated server builds, gold images, technical documentation and work instructions.
• Install, configure and rack physical servers within data centres.
• Perform Windows Server patching, upgrades and ongoing infrastructure maintenance.
• Support Active Directory, DNS and Windows Server Update Services (WSUS).
• Investigate, troubleshoot and resolve complex infrastructure incidents and technical issues.
• Support backup infrastructure, including NetApp SAN and Cohesity.
• Monitor infrastructure performance and produce capacity management reports.
• Maintain compliance with Change, Release, Configuration and Security Management processes.
• Support infrastructure testing, troubleshooting and project delivery activities.
• Manage technical support tickets within agreed SLAs and KPIs.
• Identify and escalation technical risks, issues and delivery dependencies.
• Attend engineering meetings and provide progress updates to stakeholders.

3rd Line WINTEL Engineer Skills and Experience

• Proven experience in a 3rd Line WINTEL or Windows Server infrastructure engineering role.
• Strong knowledge of Windows Server 2016, 2019 and 2022.
• Hands-on experience with Active Directory, DNS and WSUS.
• Strong VMware virtualisation experience.
• Experience with Windows Server builds, gold images, patching and upgrades.
• Experience supporting Microsoft System Center Operations.
• Knowledge of backup technologies, particularly NetApp SAN and Cohesity.
• Strong scripting and automation capabilities.
• Experience supporting physical and virtual server infrastructure.
• Advanced troubleshooting, incident investigation and problem-solving skills.
• Understanding of ITIL processes, including Change, Release and Configuration Management.
• Experience working with ITSM tools and delivering against SLAs and KPIs.
• Strong communication, customer service and stakeholder management skills.
• Experience supporting secure infrastructure or Defence environments would be advantageous.

Due to high volume of applications, only shortlisted CVs will be contacted.

Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 18 weeks.

An award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over multiple years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience.

Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.