2 of 2 DemandTrendPermanent Network Security Engineer Jobs in London

Network & Security Engineer Professional Services - Central London (Hybrid) The Opportunity We're looking for an experienced Network & Security Engineer to join our Professional Services team, delivering high-impact networking and security projects for a wide range of mid-market and enterprise clients across finance, retail, manufacturing, and technology.You'll be hands-on across … to work with cutting-edge technology, sharpen your technical expertise, and play a key role in delivering secure, saleable, and innovative solutions. What You'll Be Doing Designing secure network solutions - running customer workshops, producing HLD/LLD documentation, and building POCs to validate solutions. Implementing solutions - preparing changes, building configuration templates, creating test scripts and deployment runbooks, and … configuring routers, switches, and firewalls. Leading projects - acting as lead engineer on both large (multi-month) and smaller projects, balancing competing priorities while ensuring successful delivery. Knowledge sharing - developing tools, guides, and processes to strengthen the team's capability and mentoring junior engineers. Staying ahead of the curve - becoming a subject matter expert across key networking and security More ❯

Network Security Engineer (Zscaler - ZPA/ZIA) Location: London (Hybrid - 1 day onsite) Type: Contract (6 Months) Day Rate: 510-595 GBP (Inside IR35) Start Date: ASAP The Role We are seeking an experienced Network Security Engineer to lead the design, deployment, and management of Zscaler ZPA and ZIA solutions across our enterprise network. … This is a hands-on role requiring deep technical expertise, with the opportunity to shape and secure network access for both cloud and on-premises environments. You will work closely with IT, security, and compliance teams to deliver secure, scalable, and policy-compliant infrastructure. Key Responsibilities Design, deploy, and manage Zscaler ZPA and ZIA solutions across the organisation. … Integrate Zscaler platforms with identity providers (IdPs) , SIEM tools , and endpoint security platforms . Monitor and optimise Zscaler configurations, including policies, access rules, and application segments. Troubleshoot and resolve issues relating to DNS filtering , SSL inspection , traffic forwarding , and secure access . Collaborate with cross-functional teams to ensure secure and compliant network architecture. Maintain up-to-date More ❯