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IPsec / Linux Network Engineer

AvivysGurugram

24 days ago

Job description

Job Description :

We are seeking a skilled IPsec / Linux Network Engineer with strong expertise in secure networking protocols and Linux-based development. The ideal candidate will be responsible for implementing, optimizing, and troubleshooting IPsec-based VPN and high-performance networking solutions, including hardware offloading and cryptographic Responsibilities :

Design, develop, and optimize IPsec solutions on Linux platforms.
Implement and troubleshoot IPsec architecture :

1. ESP / AH protocols

2. Tunnel vs. Transport modes

3. IKEv1 / IKEv2 key exchange mechanisms

4. Authentication methods (Certificates, PSK, EAP)

5. PKI and certificate management

6. TLS / DTLS for secure communication

Work with IPsec stacks such as strongSwan, libreswan, and Linux ip xfrm.

Collaborate on Linux networking and Netfilter / iptables / nftables development.

Integrate DPDK cryptodev or cryptodev-linux libraries for cryptographic acceleration.

Offload IPsec encryption / decryption to hardware crypto accelerators for high-performance IPsec data planes.

Debug, profile, and resolve performance and security issues in networking Skills & Experience :

Strong understanding of IPsec protocols and architecture (ESP, AH, IKEv1, IKEv2, PKI, TLS / DTLS).

Hands-on experience with IPsec stacks (strongSwan, libreswan, ip xfrm).

Good knowledge of Linux networking internals, Netfilter, and routing concepts.

Working knowledge of DPDK cryptodev or cryptodev-linux libraries.

Experience in IPsec encryption / decryption offloading using hardware crypto accelerators.

Solid programming / debugging background with C / C++ in Linux environments to Have :

Kernel-level networking or driver development experience.

Familiarity with SD-WAN solutions and VPN configuration.

Knowledge of security compliance standards (FIPS, Common :

Bachelors or Masters degree in Computer Science, Electronics, or related field.

(ref : hirist.tech)

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