> Markdown version of [/jobs/ext/4159349-network-security-engineer](https://www.wearedevelopers.com/jobs/ext/4159349-network-security-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). --- # Network & Security Engineer - **Company:** People First - **Location:** Greater London, UK - **Salary:** £45,000.0 - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Microsoft Azure, Border Gateway Protocol, Cisco Hardwares, Cloud Computing, Complex Networks, Computer Networks, Network Address Translation, Internetworking, Local Area Networks, Network Security, Routing, Open Shortest Path First (OSPF), Overlay Transport Virtualization, Remote Access Technology, Zero Trust Network Access, TCP/IP, Virtual Local Area Networks, Wide Area Networks, Juniper, Fortinet, Cisco - **Published:** October 27, 2026 - **Apply:** https://www.cv-library.co.uk/job/225766781/Network-Security-Engineer ## About the Role * Cisco CCNA, CCNP or equivalent certifications. * Experience with: Cato Networks, SASE/SSE Platforms, SD-WAN, ZTNA, Secure Networking * Knowledge of Microsoft Azure and/or AWS networking. * Experience in supporting and deploying enterprise networking solutions * Strong understanding of: Routing, Switching and Security, TCP/IP, VLANs, EVPN/VXLAN, BGP, OSPF, NAT, VPN Technologies * Experience with one or more of: Cisco, Cisco Meraki, Juniper, Fortinet products and solutions * Experience troubleshooting LAN and Internet connectivity issues * Strong customer-facing and communication skills. ## Description * Design, implement and support enterprise network, security and cloud connectivity solutions. * Participate in solution architecture, technical design workshops and customer consultations. * Deliver LAN, Wireless, Cloud and Security projects from scoping through deployment. * Produce high-quality technical documentation including HLDs, LLDs, operational procedures and test plans. * Perform proof-of-concept testing and technical evaluations of new technologies * Troubleshoot complex network, security and cloud-related incidents. * Provide 2nd and 3rd line technical support for managed customer environments * Support the deployment and optimisation of SASE and SD-WAN solutions. * Work closely with vendors, partners and internal stakeholders to deliver customer solutions * Identify opportunities for service improvements, automation and standardisation. * Maintain awareness of emerging technologies and industry best practices. * Share technical knowledge and mentor colleagues where appropriate * Contribute to strategic initiatives, service improvements and other business priorities as required by management * Participate in an on-call support rota as required.