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Engineer III – Cybersecurity R&D

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

Core

Build and sustain secure routers, switches, and firewalls running Junos OS by developing system security features, applied cryptography, and AI-enhanced vulnerability management.

Role type

Senior IC cybersecurity R&D engineer

Builds

Secure networking devices (routers, switches, firewalls) and security certifications

Domain

Networking security and applied cryptography

Deliverable

production ML models

Required skills

C, Python, Rust, cryptography, networking security protocols (TLS, SSH, IPsec), static analysis, dynamic analysis, penetration testing, AI for vulnerability discovery, security certification processes (FIPS 140, Common Criteria, EUCRA)

Preferred skills

AI governance, human-in-the-loop security practices

Technologies

Junos OS, Junos OS Evolved

Responsibilities

Support security certifications including NIST FIPS 140, Common Criteria, and EUCRA; Develop product security capabilities including threat modelling, code analysis, and penetration testing; Adopt new cybersecurity technologies and execute the cybersecurity roadmap; Provide consulting to engineering managers and product line managers on security design.

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