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Network Engineer with AWS experience @ Luxoft

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 Network Engineer with AWS experience

Job Description

Project description
  • We are building a custom high-load and high-scale IPsec backend on AWS to support over 20,000 IKEv2 tunnels for connected vehicles with dual-modem WAN bonding and custom StrongSwan gateways, IPv6-only. We are looking for an experienced network engineer with
    software development skills to help us create this platform. Responsibilities
  • Implementing redirector and tunnel-terminator logic for thousands of parallel IKEv2/IPsec tunnels. Designing control-plane logic that can steer per-vehicle traffic over dual-modem tunnels with dynamic source IPs.
  • Embedding client identity into the protocol stack
  • Writing automation around Linux networking (iptables/netfilter/XFRM), StrongSwan VICI, and AWS primitives (NLB, ENI, etc.). Writing plugins or extensions for StrongSwan or the Linux IPsec stack if needed.
  • Building observability and traceability for IPsec sessions at scale (IDi, DPD status, per-modem metrics). Debugging packet flows and helping design testable redirect and failover scenarios. Skills
  • Must have
  • Deep understanding of the Linux networking stack, including iptables, XFRM/IPsec, netfilter, and conntrack.
  • Experience configuring StrongSwan (IKEv2, CHILD_SA lifecycles, MOBIKE, VICI).
  • Solid AWS knowledge at the level of the Advanced Networking Specialty certification or equivalent real-world experience. Able to reason about flow consistency through NLB, GWLB, and EC2 fleet mechanics.
  • Capable of developing code.
  • Comfortable reading packet traces (tcpdump, Wireshark) and analyzing kernel-level behavior.
  • Nice to have
  • Experience with building custom VPN plugins (e.g., for StrongSwan, Libreswan, or similar).
  • Kernel-space or eBPF experience.
  • Previous work on mobility protocols or embedded network stacks.
  • Familiarity with QNX or automotive telematics protocols.
  • Hands-on experience with VPP, DPDK, or packet reordering logic.
  • IPv6 edge deployment experience.
  • AWS Advanced Networking Specialty certification.
    Location - pune,mumbai,chennai,banagalore

    • Job Classification

    Industry: Legal
    Functional Area / Department: Engineering - Hardware & Networks
    Role Category: IT Network
    Role: Network (Support) Engineer
    Employement Type: Full time

    Contact Details:

    Company: Luxoft
    Location(s): Mumbai

    + View Contact

    Keyskills:   networking stack linux linux networking vpp aws iptables udp switching algorithms network engineering c++ socket programming device drivers networking wireshark routing data structures openwrt protocols tcp wan ip vpn firewall ipsec qnx dpdk

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