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Principal Engineer - Cybersecurity R&D

San Juan, Puerto Rico, Puerto Rico💼 Full-time🗓 2026-09-29

Core

Provide technical leadership to build a team operating at the frontier of cybersecurity, developing secure routers, switches, and firewalls running Junos OS.

Role type

Principal Engineer (Cybersecurity R&D)

Builds

Secure network devices (routers, switches, firewalls) and security features for Junos OS

Domain

Networking hardware and software security

Deliverable

production ML models

Required skills

Applied cryptography, static and dynamic code analysis, penetration testing, AI-driven vulnerability management, security certification expertise (FIPS 140, Common Criteria, EUCRA), C, Python, Rust

Preferred skills

Networking security protocols (TLS, SSH, IPsec), AI governance

Technologies

Junos OS, Junos OS Evolved, AI models

Responsibilities

Drive development of product security capabilities including threat modeling and hardware security assessments; identify and evaluate new cybersecurity technologies; build and execute the cybersecurity roadmap; mentor less-experienced staff

Seniority

Principal, hands-on IC with strategic leadership

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