Staff Network Engineer
Remote
Job Summary
Design, implement, and maintain network infrastructure across cloud and on-premises environments, including routing architectures like BGP and OSPF, hybrid networking with VPNs and Direct Connect, and Juniper hardware. Manage network security controls, segmentation, and firewall policies while developing automation using Terraform and Ansible. Participate in capacity planning, performance optimization, incident response, and root cause analysis for outages. Manage ISP connectivity and carrier relationships, ensuring resilient, scalable, and secure connectivity across multiple environments. Collaborate closely with Platform Engineering, SRE, and Security teams to deliver robust network infrastructure.
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)
- 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)
- Working knowledge of Terraform for network infrastructure provisioning
- Experience with configuration management tools (Ansible, or similar)
- Experience implementing network monitoring and alerting systems
- Understanding of network performance metrics and logging
- Ability to create and maintain runbooks and documentation
- Experience implementing network security controls and segmentation
- Understanding of firewall management and security policies
- Familiarity with network access control concepts
Desired Qualifications
- EVPN
- Ability to drive to London Data Centres
- Experience with RIPE
- Good understanding of MANRS and RPKI
- Experience with IPv6 rollout
- Juniper specific knowledge and experience
- Linux CLI
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