> Markdown version of [/jobs/ext/1759709-principal-software-engineer-sd-wan](https://www.wearedevelopers.com/jobs/ext/1759709-principal-software-engineer-sd-wan). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Software Engineer SD-WAN - **Company:** Hewlett-Packard Enterprise - **Location:** San Jose, CA, United States - **Experience:** Expert - **Salary:** $155,500.0 - $315,000.0 - **Contract:** Permanent contract - **Skills:** Software System Penetration Testing, C++ (Programming Language), Software Quality, Deep Packet Inspection, Federal Information Processing Standards (FIPS), Internet Protocol Security (IP SEC), Intrusion Detection Systems, Network Security, Linux Kernel, Open Source Technology, OpenVPN, OpenSSL, Performance Tuning, Remote Access Technology, RSA (Cryptosystem), Web Application Security, Software Engineering, Wide Area Networks, Multithreading, Transport Layer Security, Firewalls (Computer Science) - **Published:** July 31, 2026 - **Apply:** https://hpe.wd5.myworkdayjobs.com/Jobsathpe/job/San-Jose-California-United-States-of-America/Principal-Software-Engineer-SD-WAN_1209040 ## About the Role * 10+ years of software engineering experience, with a strong emphasis on secure networking, embedded systems, and Linux kernel development. * Deep expertise in IPSec/VPN technologies, including IKEv2 protocol, tunnel modes, and advanced troubleshooting. * 5+ years high-performance networking frameworks (DPDK, VPP, eBPF technology), security protocols (IPSec, TLS, SSL), and cryptographic libraries and accelerators (OpenSSL, AES, RSA, ECC, Intel QAT, AES-NI). * Developed solutions using open-source networking and security tools like StrongSwan, Libreswan, OpenVPN, or WireGuard.. * Experience with FIPS 140-2/3 validation and Common Criteria certification for security products. * Extensive experience with hardware offloading (Intel QAT, AES-NI) for cryptographic operations. * Advanced proficiency in C/C++ and multithreaded, system-level programming. * Proven track record of architecting, leading, and delivering large-scale, secure networking products. * Excellent communication, collaboration, and leadership skills. * Experience working on NextGen Firewalls, Secure Web Gateways, IDS/IPS, and Deep Packet Inspection (DPI) is a plus. Preferred * Experience with quantum-safe cryptography and next-generation security protocols. * Background in SD-WAN product development for enterprise or service provider markets. * ## Description As a Principal Software Engineer, you will serve as the technical leader and chief architect for our next-generation secure SD-WAN solutions. This is a hands-on, visionary role where you will define and drive the technical strategy for highly secure, scalable, and high-performance networking products. You will address complex challenges in secure connectivity, advanced cryptography, and large-scale packet processing, directly shaping the future of our SD-WAN portfolio., * Lead the architecture, design, and implementation of secure SD-WAN products, including site-to-site and remote access solutions for enterprise environments. * Drive performance optimization initiatives, leveraging technologies such as DPDK, VPP, eBPF technology, and hardware crypto accelerators to ensure robust throughput and reliability. * Provide hands-on technical leadership and mentorship to senior engineers, fostering a culture of excellence in code quality, design, and best practices. * Collaborate with cross-functional teams (product management, hardware, QA) to translate business requirements into innovative technical solutions. * Research, evaluate, and integrate emerging security technologies, including quantum-safe cryptography, to future-proof products against evolving threats. * Troubleshoot and resolve complex networking and security issues, ensuring the highest standards of product integrity and customer trust. * Work with external penetration testing companies and manage the secure development lifecycle of products through penetration testing. * Proactive in analyzing CVEs and security vulnerabilities, advising product development teams on remediation to ensure products deliver high levels of security and customer confidence. * Handle customer escalations related to security issues and perform threat analysis. ## Related Videos - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Robots Run Wild, Massive Crime Data Leak and AI Replaces Models - David Benson](https://www.wearedevelopers.com/videos/1849-robots-run-wild-massive-crime-data-leak-and-ai-replaces-models-david-benson) - [Into the hive of eBPF!](https://www.wearedevelopers.com/videos/1199-into-the-hive-of-ebpf) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [Gentle Introduction to eBPF](https://www.wearedevelopers.com/videos/789-gentle-introduction-to-ebpf) ## Related Articles - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Events like RSAC Get You CISOs. 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