Job Specifications
Network Engineer - Zscaler
London/Hybrid
Competitive + bonus + benefits
We’re seeking a highly motivated Network Engineer to join a financial services organisation operating in a secure, high-availability, enterprise environment. This role is ideal for a networking professional with a strong foundation in core infrastructure and hands-on, production experience with Zscaler as a key component of a Zero Trust / SASE strategy.
You’ll play a critical role in maintaining and enhancing a modern network architecture that supports a fast-paced, globally distributed business.
Key Responsibilities:
Support, configure, and maintain enterprise network infrastructure, including routers, switches, firewalls, VPNs, and cloud-based network services
Administer and support Zscaler as a core security platform, ensuring secure access and alignment with Zero Trust principles
Monitor network performance and availability; diagnose and resolve issues to ensure optimal uptime
Assist with the design and implementation of secure, scalable network solutions
Collaborate with infrastructure, security, and business teams to resolve incidents and support initiatives
Maintain accurate documentation for network configurations, processes, and incident resolutions
Participate in an on-call rotation and respond to network incidents as required
Key Requirements:
Proven experience as a Network Engineer within financial services or a similarly regulated, security-focused environment
Strong hands-on experience with Zscaler, supporting Zero Trust and SASE architectures
Solid understanding of networking fundamentals: TCP/IP, subnetting, routing, switching, DNS, DHCP, VLANs, and network security principles
Experience with Cisco and Meraki technologies, or similar
Hands-on experience with Palo Alto firewalls, or similar
Strong troubleshooting skills with the ability to quickly isolate and resolve network issues
Familiarity with network monitoring tools and ticketing systems
Clear written and verbal communication skills, able to explain technical concepts to both technical and non-technical audiences
Why Join
This is an opportunity to work in a high-performance financial services environment where network security, reliability, and modern Zero Trust architecture are mission-critical. You’ll have meaningful ownership, exposure to enterprise-scale systems, and the chance to work with leading-edge security technologies.
About the Company
Founded in 2000 by Marcus Freeman, ARC IT provides recruitment solutions for both contract and permanent positions across a broad range of IT and business skill sets, from graduate entry level to heads of global businesses. We have enjoyed steady growth among our loyal clients and welcome new employers every month due to our exceptional reputation in the IT recruitment industry. As well as recruiting permanent IT staff across the UK and managing a high number of contractors we also have a significant presence in Europe and...
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