Enterprise Windows Infrastructure Specialist (3rd Line)

Computacenter PLC; Hatfield; On-site; GBP 60,000 - 80,000; Full time

Job summary

Computacenter PLC is seeking an experienced Third Line Analyst to support a secure, enterprise-scale customer environment in Derby. You will provide expert third-line support across Windows environments, resolve complex incidents, design and support Windows infrastructure, and participate in on-call rotations to restore critical services.

The role emphasizes project delivery, collaboration with infrastructure teams, and continuous improvement across a diverse technology stack.

Qualifications

• SC clearance or eligibility to undertake
• Experience in a third line role within a managed services environment
• Strong analytical and problem-solving skills
• Ability to make sound technical decisions with limited supervision
• Excellent communication skills and a customer-first mindset
• Willingness to learn new technologies and contribute to continuous improvement initiatives

Responsibilities

• Providing expert third-line support across enterprise Windows environments.
• Investigating and resolving complex incidents and problems, identifying both immediate fixes and long-term improvements.
• Designing, implementing and supporting infrastructure solutions across Windows platforms.
• Supporting infrastructure projects, upgrades and technical change activities.
• Managing workloads effectively to deliver against agreed SLAs and operational priorities.
• Building strong working relationships with customers, project teams and technical stakeholders.
• Reviewing services and identifying opportunities to improve reliability, performance and user experience.
• Maintaining technical documentation and sharing knowledge across the wider team.
• Participating in an out-of-hours on-call rota and supporting critical service restoration activities when required.

Skills

Windows expertise

Analytical thinking

Customer-facing

Proactive learning

Problem solving

Tools

Active Directory

Group Policy

DNS

DHCP

Azure AD

ADFS

Single Sign-On

VMware

Exchange

SCCM

PowerShell

Automation

Networking

Job description

Computacenter PLC is seeking an experienced Third Line Analyst to support a secure, enterprise-scale customer environment in Derby. You will provide expert third-line support across Windows environments, resolve complex incidents, design and support Windows infrastructure, and participate in on-call rotations to restore critical services.

The role emphasizes project delivery, collaboration with infrastructure teams, and continuous improvement across a diverse technology stack.