Senior Infrastructure Engineer - Secure Network & Storage

Free-Work UK; Gloucester; On-site; GBP 50,000 - 75,000; Full time

Job summary

CGI is seeking an experienced Infrastructure Engineer to design, deploy and manage complex network architectures across LAN, WAN and cloud environments. The role focuses on high availability, security, and storage solutions on a site-based footprint in the UK.

You will configure firewalls, VPNs, and storage systems, implement AD/GP, and ensure patching and DR planning. The position requires UK security clearance eligibility and on-site attendance five days a week where applicable.

Qualifications

• Proven experience in network, storage, or Windows Server infrastructure.
• Ability to think outside the box and solve complex technical challenges.

Responsibilities

• Design, implement, and manage complex network architectures, including LAN, WAN, and cloud-based systems.
• Monitor network performance, troubleshoot issues, and optimize network resources to ensure high availability and security.
• Configure and maintain firewalls, routers, switches, and VPNs in compliance with security policies.
• Oversee the installation, configuration, and maintenance of storage solutions, including SAN, NAS, and backup systems.
• Ensure data integrity, availability, and security through regular backups, disaster recovery planning, and storage optimization.
• Implement and manage storage policies, quotas, and replication to ensure efficient and secure data management.
• Install, configure, and maintain Windows Server environments, including Active Directory, Group Policy, DNS, DHCP, and other core services.
• Perform regular patch management, software updates, and system upgrades to maintain security and performance standards.
• Manage user accounts, permissions, and access controls in accordance with organizational security policies.

Skills

Network design

Network engineering

Security hardening

Storage management

Windows Server administration

Backup and disaster recovery

Active Directory & Group Policy

Patch management

Access control management

Tools

Firewalls

Routers & switches

VPNs

SAN

NAS

Windows Server features

Job description

CGI is seeking an experienced Infrastructure Engineer to design, deploy and manage complex network architectures across LAN, WAN and cloud environments. The role focuses on high availability, security, and storage solutions on a site-based footprint in the UK.

You will configure firewalls, VPNs, and storage systems, implement AD/GP, and ensure patching and DR planning. The position requires UK security clearance eligibility and on-site attendance five days a week where applicable.