> Markdown version of [/jobs/ext/4666204-senior-network-security-infrastructure-engineer](https://www.wearedevelopers.com/jobs/ext/4666204-senior-network-security-infrastructure-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Network Security Infrastructure Engineer - **Company:** McGregor Boyall Associates Ltd. - **Location:** London, United Kingdom - **Experience:** Expert - **Salary:** £110,000 - £120,000 - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Border Gateway Protocol, Cloud Computing, DDoS Mitigation, Github, Internet Security, Python (Programming Language), Network Security, Open Shortest Path First (OSPF), Cloud Services, Ansible, TCP/IP, Firewalls (Computer Science), Gitlab, Fortinet, Terraform, Jenkins - **Published:** November 11, 2026 - **Apply:** https://www.reed.co.uk/jobs/senior-network-security-infrastructure-engineer/57557371 ## About the Role * 5+ years' Fortinet experience * Strong AWS networking expertise (Cloud WAN, Transit Gateway, Direct Connect, WAF, Firewall Manager) * Terraform and Infrastructure as Code * Python and/or Ansible automation * Network security architecture and engineering * Strong knowledge of BGP, OSPF, TCP/IP and enterprise networking This is an opportunity to play a key role in infrastructure modernisation, cloud transformation and security strategy within a highly regulated environment., * Amazon Web Services (AWS) * Ansible Automation * Automation & Control Systems * Cloud Services & Infrastructure * DDoS Mitigation & Internet Security * GitLab & GitHub * Health and Safety Principles * Infrastructure Management * International Standards * Jenkins CI/CD