Staff Network Engineer
Remote · London, England, United Kingdom or United Kingdom
Job Summary
Staff Network Engineer to design, implement, and operate highly reliable network infrastructure across cloud and on-premises environments. Key focus areas include routing architectures (BGP/OSPF), hybrid networking (VPNs, Direct Connect, inter-region routing), Juniper hardware (SRX, QFX), network automation with Terraform and Ansible, network security controls, capacity planning, incident response, and collaboration with Platform Engineering, SRE, and Security teams to deliver resilient, scalable connectivity across diverse environments.
Required Qualifications
- 7+ years of experience in network engineering roles
- Relevant experience or certification (e.g. CCNP or JNCIP Data centre, Enterprise or Service provider)
- Strong knowledge of BGP, OSPF, routing policies, and network troubleshooting
- Strong understanding of TCP/IP, DNS, NAT, routing, switching, and load balancing
- Hands-on experience with Juniper networking platforms (SRX Firewalls, QFX switching)
- Ability to troubleshoot layer 2 (ARP and MAC address tables as well as LACP and MC-LAG)
- Ability to troubleshoot DNS problems
- Experience with common network cabling
- Kubernetes CNI (Calico, Cilium)
- Cloud & Hybrid Networking
- Experience with hybrid cloud networking including site-to-site VPNs and private connectivity (AWS Direct Connect, GCP Interconnect)
- Understanding of cloud-native networking services (VPC, Transit Gateway, Cloud Router)
- Automation & Infrastructure-as-Code
- Working knowledge of Terraform for network infrastructure provisioning
- Experience with configuration management tools (Ansible, or similar)
- Observability & Operations
- Experience implementing network monitoring and alerting systems
- Understanding of network performance metrics and logging
- Ability to create and maintain runbooks and documentation
- Security
- Experience implementing network security controls and segmentation
- Understanding of firewall management and security policies
- Familiarity with network access control concepts
- Bonus Skills and Experience
- EVPN, London Data Centres, RIPE, MANRS and RPKI, IPv6 rollout
- Juniper knowledge and experience
- Linux CLI
Apply with one swipe on Sorce. We auto-fill applications and apply on your behalf — no cover letters, no 40-minute forms.
Hiring someone like this?
Get your role in front of qualified candidates on Sorce.