Senior Windows Infrastructure Engineer (3rd Line)

Computacenter; Hatfield; On-site; GBP 45,000 - 60,000; Full time

Job summary

Computacenter is seeking an experienced Third Line Analyst to support a secure, enterprise-scale customer environment in Derby. You will handle complex incidents, resolve problems and contribute to project delivery.

Key responsibilities include expert Windows infrastructure support, design and implementation, and collaboration with customers and teams to ensure secure, reliable services.

Qualifications

• Experience supporting complex enterprise Windows environments.
• Strong troubleshooting and analytical skills.
• Ability to work independently and within a wider team.

Responsibilities

• Provide advanced third-line support across Windows environments.
• Investigate and resolve complex incidents and problems, with long‑term fixes.
• Design, implement and support infrastructure solutions across Windows platforms.
• Support infrastructure projects, upgrades and technical change activities.
• Manage workloads to meet SLAs and priorities.
• Build relationships with customers, project teams and stakeholders.
• Review services to improve reliability, performance and user experience.
• Maintain technical documentation and share knowledge.
• Participate in an out-of-hours on-call rota and critical restorations.

Skills

Active Directory

Group Policy

DNS

DHCP

Failover clustering

Windows infrastructure

Exchange

PowerShell

Security monitoring

Networking basics

Tools

VMware

SCCM

Endpoint protection

Certificate management

Job description

Computacenter is seeking an experienced Third Line Analyst to support a secure, enterprise-scale customer environment in Derby. You will handle complex incidents, resolve problems and contribute to project delivery.

Key responsibilities include expert Windows infrastructure support, design and implementation, and collaboration with customers and teams to ensure secure, reliable services.