Bytes - Infrastructure and Network Engineer - UK

Infrastructure & Network Engineer - Up to £475 per day (Inside IR35) Fully Remote in the UK 6 months initial contract 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.

What you'll bring Essential

• 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