Infrastructure Architect, Network & Systems

About the role

This senior individual contributor role is responsible for the architecture and technical integrity of Atlantic Gate's IT infrastructure. You will move beyond day‑to‑day support, set technical direction, and ensure platforms are secure, resilient, and built to a consistent standard across all sites.

Key responsibilities

• Own the design of network, systems, cloud and workplace infrastructure with security, resilience and operability built in from the start.
• Define, document and enforce infrastructure standards for builds, configuration, monitoring, access, patching and lifecycle management.
• Lead disaster recovery, business continuity and high‑availability design, ensuring critical services are tested and recoverable.
• Provide deep technical guidance on complex incidents, root‑cause analysis, major changes and infrastructure projects.
• Support and review designs for firewalls, routing, switching, VPN, SD‑WAN, wireless, load balancing, proxy, DNS, DHCP and remote access, as well as Windows and Linux servers, Active Directory, PKI, endpoint management, backup and replication.

Required profile

• Technically strong, calm under pressure and able to explain complex designs clearly.
• Quality‑focused, security‑aware and disciplined about documentation, standards and operational readiness.
• Hands‑on enough to troubleshoot deeply while senior enough to set direction and challenge weak designs.

Required skills

• Enterprise networking: firewalls, routing, switching, VLANs, VPN, SD‑WAN, wireless, DNS, DHCP, load balancing, proxy.
• Systems expertise: Windows Server, Active Directory, identity management, PKI, endpoint management, backup, replication, remote access.
• Design for high availability, disaster recovery and business continuity in hybrid cloud and on‑premises environments.
• Incident, request, change and problem management including root‑cause analysis and operational handover.
• Clear documentation of designs and ability to guide engineers through implementation.