Bytes - Infrastructure and Network Engineer - UK

Our client are looking to implement, operate and support secure, scalable cloud, infrastructure and network services across Azure and hybrid environments. You’ll keep critical services fast, resilient and cost-efficient, delivering engineering work to high standards of reliability and security.

Perfect for a hands-on (3rd line) engineer who loves cloud, automation, networking and raising the security bar.

What you’ll do

• Deploy and support Azure and on-premise infrastructure, including hybrid/multi-cloud integrations.
• Lead cloud migration activities in line with approved designs and change controls.
• Build IaC (Terraform) and CI/CD pipelines for automated, reliable deployments.
• Deliver secure, scalable network infrastructure across cloud and on-prem.
• Administer and support Microsoft 365 services.
• Monitor, troubleshoot and resolve infrastructure, network and service issues to agreed SLAs.
• Own patching, hardening, secure configuration and vulnerability remediation.
• Investigate security alerts and support incident response, recovery and root cause analysis.
• Mentor colleagues and drive continuous improvement.

• Proven experience as an Infrastructure/Network Engineer in enterprise environments.
• Strong Azure skills: compute, networking (VNet, NSGs, Load Balancer, ExpressRoute, Gateways), and hybrid/on-prem.
• Azure DevOps / CI/CD, Terraform (IaC), and scripting (PowerShell, Bash, Python).
• Solid networking fundamentals (LAN, WAN, VPN, DNS, DHCP).
• Active Directory, M365 (Intune), Azure AD and ITIL-aligned service management.
• Experience with incident response, SLAs, patching, hardening and vulnerability management.
• Experience of VMWare/Hyper-V
• Awareness of ISO 27001, GDPR, NIS2, CIS.
• Excellent English communication and a collaborative, mentoring style.

Nice to have

• Fortinet (FortiGate SD-WAN, Firewalls, FortiManager).
• Azure Well-Architected Framework; on-prem * Azure migration experience.
• Experience supporting ISO 27001 certified environments.

Certifications (preferred, not essential)

• Azure Administrator · Microsoft Admin-level certs · ITIL Foundation+ · Fortinet NSE