Summary: We are seeking a Network Operations Engineer to join a globally distributed infrastructure team in London for a duration of 12+ months. This hands-on role focuses on maintaining a stable, secure, and high-performing network while contributing to automation and cloud transformation initiatives. The position involves supporting network infrastructure across multiple global data centers, performing advanced diagnostics, and engaging with external providers. The ideal candidate will have over 3 years of experience in Linux systems engineering, strong troubleshooting skills, and hands-on experience with Juniper devices. Responsibilities include managing IP address space, contributing to cloud networking initiatives, and participating in an on-call rota.
The Role:
We’re hiring a Network Operations Engineer to join a globally distributed infrastructure team supporting a large-scale, high-traffic platform. This is a hands-on role focused on keeping the network stable, secure, and highly performant, while also contributing to automation and cloud transformation initiatives.What You’ll Be Doing:
- Supporting and maintaining network infrastructure across multiple global data centres and offices
- Performing advanced diagnostics across network layers and server networking (Linux/CentOS environments)
- Driving improvements through automation and configuration management
- Contributing to cloud networking initiatives as infrastructure evolves
- Managing IP address space, VLANs, and subnetting
- Working closely with system engineers to share knowledge and improve performance
- Engaging with external providers, including global IP transit operators
- Supporting network security and maintaining a secure perimeter
- Participating in an on-call rota
Skills/Experience required:
- 3+ years’ experience in Linux systems engineering (RHEL/CentOS preferred)
- Strong troubleshooting skills across networking and systems (L1–L7)
- Solid experience with routing protocols (BGP, IS-IS; OSPF a plus)
- Hands-on experience with Juniper (MX, SRX, QFX) devices
- Knowledge of EVPN-VXLAN architectures and modern data centre networking
- Experience with load balancing, packet filtering, and high-traffic environments
- Understanding of IPv4/IPv6, TCP/IP, DNS, DHCP, ICMP diagnostics
- Exposure to GCP
- Experience with cloud networking and CDN environments
- Exposure to DDoS prevention/mitigation and network security best practices
