Network Infrastructure & Security Engineer

Network Infrastructure & Security Engineer
Milton Keynes (hybrid considered)
Salary: £60,000 + Bonuses + Benefits

We are seeking a hands-on Network Infrastructure & Security Engineer to support and improve a mix of cloud and on-prem environments. You’ll work across systems, networking, and security, contributing to both operations and design.

Responsibilities

• Manage AWS/Azure infrastructure
• Support Windows/Linux systems and virtualisation (VMware, Hyper-V, KVM, Proxmox)
• Maintain networking (firewalls, routing, switching, VPNs)
• Implement monitoring, logging, and backup solutions (e.g. Zabbix, Graylog, Veeam)
• Support security tooling (Cloudflare WAF/Zero Trust, vulnerability scanning, patching, PKI)
• Administer Microsoft 365
• Produce technical documentation (HLD/LLD)

Skills & Experience

• Strong infrastructure background across cloud and on-prem
• Experience with monitoring, logging, and backup tools
• Knowledge of networking and security principles
• Familiarity with vulnerability management and VPNs

Desirable

• ITIL processes
• SIEM/EDR tools (e.g. Microsoft Sentinel/Defender)
• Scripting (PowerShell, Bash, Python)
• Jira/Confluence, IBM i

Due to the volume of applications received for positions, it will not be possible to respond to all applications and only applicants who are considered suitable for interview will be contacted.

Proactive Appointments Limited operates as an employment agency and employment business and is an equal opportunities organisation

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