Network Engineer / Backend Developer

1 Month ago • All levels • Network Engineering

Job Summary

Job 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 include implementing redirector and tunnel-terminator logic for thousands of parallel IKEv2/IPsec tunnels, designing control-plane logic for steering per-vehicle traffic over dual-modem tunnels with dynamic source IPs, embedding client identity into the protocol stack, writing automation around Linux networking, StrongSwan VICI, and AWS primitives, and building observability and traceability for IPsec sessions at scale.
Must have:
  • Deep understanding of Linux networking (iptables, XFRM/IPsec, netfilter, conntrack)
  • Experience configuring StrongSwan (IKEv2, CHILD_SA, MOBIKE, VICI)
  • Solid AWS knowledge (Advanced Networking Specialty or equivalent)
  • Capable of developing code
  • Comfortable reading packet traces and analyzing kernel behavior
Good to have:
  • Experience building custom VPN plugins
  • Kernel-space or eBPF experience
  • Experience with 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

Job Details

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
bullet icon

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.

bullet icon

Embedding client identity into the protocol stack

bullet icon

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.

bullet icon

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

bullet icon

Deep understanding of the Linux networking stack, including iptables, XFRM/IPsec, netfilter, and conntrack.

bullet icon

Experience configuring StrongSwan (IKEv2, CHILD_SA lifecycles, MOBIKE, VICI).

bullet icon

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.

bullet icon

Capable of developing code.

bullet icon

Comfortable reading packet traces (tcpdump, Wireshark) and analyzing kernel-level behavior.

Nice to have

bullet icon

Experience with building custom VPN plugins (e.g., for StrongSwan, Libreswan, or similar).

bullet icon

Kernel-space or eBPF experience.

bullet icon

Previous work on mobility protocols or embedded network stacks.

bullet icon

Familiarity with QNX or automotive telematics protocols.

bullet icon

Hands-on experience with VPP, DPDK, or packet reordering logic.

bullet icon

IPv6 edge deployment experience.

bullet icon

AWS Advanced Networking Specialty certification.

Other
seniority icon

Languages

English: C2 Proficient

seniority icon

Seniority

Senior

Similar Jobs

Qualcomm - WLAN Software Application Engineer

Qualcomm

Xi'An, Shaanxi, China (On-Site)
2 Months ago
Luxoft - Senior Software Support Engineer

Luxoft

(Remote)
8 Months ago
Qualcomm - Camera Software Engineer

Qualcomm

Shenzhen, Guangdong Province, China (On-Site)
2 Months ago
NCR Atleos - Senior SW Quality Engineer

NCR Atleos

Hyderabad, Telangana, India (On-Site)
2 Months ago
bytedance - Solutions Architect

bytedance

(On-Site)
4 Months ago
NVIDIA - Senior Networking Security Research Architect

NVIDIA

Tel Aviv-Yafo, Tel Aviv District, Israel (On-Site)
7 Months ago
CD PROJEKT RED - Lead Network Engineer

CD PROJEKT RED

Boston, Massachusetts, United States (Hybrid)
4 Weeks ago
Jane Street - Network Engineer

Jane Street

New York, United States (On-Site)
1 Month ago
Epic Games - Senior Network Programmer

Epic Games

Montreal, Quebec, Canada (On-Site)
5 Months ago
bytedance - Network Implementation Engineer, Physical Network Infrastructure

bytedance

Singapore (On-Site)
4 Months ago

Get notifed when new similar jobs are uploaded

Similar Skill Jobs

Netomi - Implementation Consultant

Netomi

United States (Remote)
10 Months ago
PwC - Senior Manager, Data Engineering

PwC

Toronto, Ontario, Canada (On-Site)
2 Months ago
Honor - Senior Full Stack Engineer (DemandGen)

Honor

United States (Remote)
3 Weeks ago
yellow brick games - Gameplay Technical Designer

yellow brick games

Montreal, Quebec, Canada (Remote)
2 Months ago
Alpha Sense - Content Analyst

Alpha Sense

Delhi, India (On-Site)
3 Weeks ago
TVH - Technical Account Manager

TVH

Olathe, Kansas, United States (On-Site)
1 Month ago
Qualcomm - GPU Physical Design Engineer (Sr Lead/Staff)

Qualcomm

Bengaluru, Karnataka, India (On-Site)
2 Months ago
Unity - QA Engineer

Unity

Tel Aviv-Yafo, Tel Aviv District, Israel (On-Site)
3 Months ago
EvenUp - Fullstack Software Engineer, AI Document Generation (All Levels)

EvenUp

San Francisco, California, United States (Hybrid)
10 Months ago
Ziff Davis - DevOps Engineer

Ziff Davis

New York, United States (On-Site)
1 Month ago

Get notifed when new similar jobs are uploaded

Jobs in Egypt

PwC - ETIC, Cybersecurity Cloud Security - Manager

PwC

Cairo, Cairo Governorate, Egypt (On-Site)
10 Months ago
ValU - Senior Software Project Manager

ValU

El Sheikh Zayed City, Giza Governorate, Egypt (On-Site)
1 Year ago
PwC - ETIC, OCI Technical Support Engineer - Senior Associate

PwC

Cairo, Cairo Governorate, Egypt (On-Site)
9 Months ago
PwC - ETIC, HR Operations - Associate

PwC

Cairo, Cairo Governorate, Egypt (On-Site)
8 Months ago
PwC - ETIC, Finance Operations Manager (German Speakers)

PwC

Cairo, Cairo Governorate, Egypt (On-Site)
9 Months ago
PwC - ETIC, Project Manager- Associate

PwC

Cairo, Cairo Governorate, Egypt (On-Site)
10 Months ago
PwC - ETIC, OutSystems Architect-Senior Associate

PwC

Cairo, Cairo Governorate, Egypt (On-Site)
10 Months ago
Luxoft - Android HMI Architect

Luxoft

Cairo, Cairo Governorate, Egypt (On-Site)
8 Months ago
luxsoft - Senior Android HMI/Kotlin Developer

luxsoft

Egypt (Remote)
2 Months ago
ValU - Software Testing Engineer

ValU

El Sheikh Zayed City, Giza Governorate, Egypt (Remote)
1 Year ago

Get notifed when new similar jobs are uploaded

Network Engineering Jobs

bytedance - Cloud Network Engineer

bytedance

San Jose, California, United States (On-Site)
4 Months ago
Nice - Network Systems Engineer

Nice

Ra'anana, Center District, Israel (Hybrid)
1 Month ago
Steel City Interactive - Lead Network Programmer

Steel City Interactive

Sheffield, England, United Kingdom (Hybrid)
1 Month ago
Jane Street - Senior Network Engineer

Jane Street

New York, United States (On-Site)
3 Months ago
Rockstar Games - Senior Network Programmer

Rockstar Games

Leeds, England, United Kingdom (On-Site)
2 Months ago
extreme network - Senior/Staff Software Systems Engineer - Golang, Networking/Cloud Technologies

extreme network

Bengaluru, Karnataka, India (Hybrid)
8 Months ago
Zscaler - Senior Network Engineer

Zscaler

Japan (Remote)
3 Months ago
PhonePe - Site Reliability Engineer 2 - Network Operations Engineer

PhonePe

Pune, Maharashtra, India (On-Site)
1 Month ago
bytedance - Software Development Engineer Graduate (AI/LLM Network - High Speed Network) - 2026 Start (PhD)

bytedance

Seattle, Washington, United States (On-Site)
3 Weeks ago
Ion - Cloud Network Engineer

Ion

Italy (Hybrid)
10 Months ago

Get notifed when new similar jobs are uploaded

About The Company

Empower your future with Luxoft: Innovate, thrive and grow in a software-defined world.

Shanghai, China (On-Site)

Pune, Maharashtra, India (On-Site)

Hyderabad, Telangana, India (On-Site)

Gdańsk, Pomeranian Voivodeship, Poland (On-Site)

Chennai, Tamil Nadu, India (On-Site)

Kraków, Lesser Poland Voivodeship, Poland (On-Site)

Warsaw, Masovian Voivodeship, Poland (On-Site)

View All Jobs

Get notified when new jobs are added by luxsoft

Level Up Your Career in Game Development!

Transform Your Passion into Profession with Our Comprehensive Courses for Aspiring Game Developers.

Job Common Plug