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Senior Network Engineer

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Bumble Inc.

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Location:
United Kingdom , London

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Category:
IT - Administration

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Contract Type:
Not provided

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Salary:

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Job Description:

Bumble is seeking a Network Engineer to maintain a stable, predictable, controllable, and secure network. This role will be based in London, reporting to the Senior Infrastructure Manager, Data Centre.

Job Responsibility:

  • Support and evolve Bumble’s global network infrastructure across multiple data centres and offices, including diagnostics of network subsystems within Linux servers (primarily CentOS/RHEL)
  • Improve network reliability and operational efficiency through configuration management, automation, and continuous optimisation of BAU tasks
  • Contribute to the design, implementation, and operation of cloud networking as we migrate a significant portion of our workloads into cloud environments
  • Collaborate closely with Systems Engineering and SRE teams, sharing networking expertise, participating in design reviews, and shaping resilient, secure platform architectures
  • Manage relationships with global service providers, including IP transit operators, to ensure optimal performance, availability, and accountability
  • Own IP address management, including subnet allocation, VLAN design, and maintaining accurate documentation
  • Strengthen Bumble’s security posture by contributing to perimeter defence, segmentation strategy, and proactive threat prevention
  • Participate in the on-call rota to maintain platform availability and support timely incident response

Requirements:

  • 3+ years of hands-on Linux systems engineering experience (preferably rpm-based distributions such as RHEL or CentOS)
  • Strong diagnostic and troubleshooting skills spanning application performance, traffic-delivery issues, and complex multi-layer networking challenges
  • Deep understanding of networking across L1–L4 and L7, including copper/optics, Ethernet, and static/dynamic routing
  • Production experience with IS-IS and BGP (OSPF familiarity beneficial)
  • Extensive hands-on experience with Juniper MX, SRX, and QFX devices
  • Practical experience implementing and supporting EVPN-VXLAN architectures
  • Strong background in load balancing (CARP, IPVS, userspace, or enterprise solutions) and packet filtering
  • Experience building and supporting cloud networking architectures (VPC structures, virtual routing, firewalling, hybrid connectivity, etc.)
  • Proficiency with 802.1X, 802.1Q, and bonding/teaming at both the server and network hardware layers
  • Strong diagnostic capabilities with IPv4, ICMP, TCP, UDP, DHCP, and DNS (IPv6 is a plus)
  • Ability to perform end-to-end troubleshooting—from switch ports and optical links down to Linux kernel networking, NIC behaviour, iptables/nftables, and iproute2
  • Experience designing or operating DDoS mitigation strategies
  • Proven effectiveness working within cross-functional engineering teams
  • Experience supporting a segmented, heterogeneous network environment (300+ dataports)
  • Solid understanding of information security principles with the ability to balance practicality and protection

Nice to have:

  • Experience working with CDNs and high-traffic systems
  • Familiarity with network automation and infrastructure-as-code tooling (Terraform, Ansible, or similar)
  • Exposure to network telemetry, observability systems, or flow-analysis platforms
  • Experience designing or deploying IPv6 at scale
  • Background in collaborating within SRE or platform engineering environments

Additional Information:

Job Posted:
February 18, 2026

Work Type:
Hybrid work
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