IPsec/Linux Network Engineer

2 days ago

Gurgaon, Haryana, India Avivys Full time

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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