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.

Other

Languages

English: C2 Proficient

Seniority

Senior

Luxoft Benefits*

Global Relocation

• Relocation options **
• Experience in an international environment
• Cross-cultural experience

Recognition and Evaluation

• Feedback culture
• Regular appraisals

Time Off***

• Annual holiday - 20 or 26 days. The duration of the leave depends on the overall seniority
• Occasional leave - 1 or 2 days/ depending on the circumstances
• Child care leave - 2 days or 16 hours per year
• Absence due to force majeure - 2 days or 16 hours per year
• Maternity Leave - 20 weeks
• Parental Leave - 41 weeks
• Paternity Leave - 14 days

Luxoft Training Center

• Expert-led tech courses covering basic to advanced topics
• Internal instructor-led soft skills courses
• Comprehensive in-house self-learning resources for both soft and hard skills
• Access to external self-learning libraries like ProQuest eBook and Udemy for Business
• Cloud Programs: MS Cloud Academy, AWS Partner Academy, Google Cloud Academy
• Custom Learning Programs: upskilling, reskilling, technical mentorship
• Leadership Programs for Managers

Well-being and Work-life Balance

• Multisport card
• Possibility to order Multisport card at the corporate rate for family members
• LuxGood Program: wellbeing seminars, contests, relaxation sessions, yoga sessions, etc.
• One Team Program: Buddy for each New Joiner; seminars, meeting and workplace space to support integration with local community and culture; “Hire me” workshops for partners
• Preferential banking offer
• Preferential car leasing offer
• Cafeteria program discounts for shops, cinema tickets, holiday offers
• Luxoft Social Benefit Fund: sport and recreation benefits, the possibility to receive financial support

Health Care

• Private Healthcare Insurance with unlimited access to specialists
• Full dental support
• Travel Insurance
• Possibility to add private healthcare coverage for family members at the corporate rate
• Life insurance at the corporate rate for employees and family members, including payment of the basic package for the employee by the employer
• Reimbursement for corrective glasses

Company Events and Friendly Environment

• Many fun social activities organized by the Luxoft team offline in your city
• Online entertainment events for whole company and local team events
• A workplace where you’re treated with respect within a multicultural team

Internal Mobility

• Rotation between projects and accounts
• New career opportunities

Self-Learning Library

CSR Projects

*The acquisition of rights to the above benefits depends on the form of cooperation. Benefits apply to those employed under a contract of employment.

**Please note that relocation is not available for all open positions. At Luxoft Poland it is possible to work remotely only from the territory of Poland.

***Options offered by the Polish government.