Software Dev Principal Engineer - DPI experience is a must*

About the role

We are seeking a Principal Engineer to lead the architecture and development of Deep Packet Inspection (DPI) and SSL/TLS Decryption engines for our NGFW appliance and virtual firewall product lines. You will drive the design of high-throughput L7 inspection and threat prevention capabilities — including Anti-Virus, Anti-Spyware, IPS, Content Filtering, and Application Control — at scale across 10G–100G+ deployments.

What you'll do

• Architect and evolve the DPI engine for multi-gigabit stream-based L7 traffic inspection on NGFW appliances
• Lead design of the SSL/TLS decryption pipeline to enable security services inspection over encrypted traffic
• Define integration strategy between the decryption layer and downstream security services (AV, IPS, Anti-Spyware, Content Filtering, Application Control)
• Drive hardware acceleration strategy for cryptographic and pattern-matching workloads
• Champion security hardening practices and ensure compliance with modern cryptographic standards

What you need

• 10–18 yrs of experience
• C++
• C
• Firewalls
• Network security
• Any graduate