principal software engineering Principal Engineer tech_leadership · Posted Oct 24, 2025
$221,000 – $265,000
USD per year

About this role

Illumio is hiring a principal-level Principal Engineer in the software engineering function based in Sunnyvale, CA. The posting calls out experience with DevOps, Python, Java, Ruby. Compensation is listed at $221,000–$265,000 per year.

Role
Principal Engineer
Function
software engineering
Level
principal
Track
Tech leadership
Employment
Full-time
Location
Sunnyvale, CA
Department
Engineering
Posted
Oct 24, 2025

More roles at Illumio

Sr. Machine Learning Engineer
HQ - Sunnyvale · senior
Distributed Systems AI Agents Python
Staff Software Engineer, Kubernetes Cloud
Sunnyvale, CA · staff
Linux Networking Data Structures
Staff Engineer, Container Security
Sunnyvale, CA · principal
Linux Networking Data Structures
Sr. Member of Technical Staff - Platform
Sunnyvale, CA · staff
Java Ruby AWS
Sr. Member of Technical Staff - Full Stack
Sunnyvale, CA · senior
JavaScript TypeScript HTML/CSS
All Illumio jobs →

Job description

from Illumio careers

Onwards Together!

Illumio is the leader in ransomware and breach containment, redefining how organizations contain cyberattacks and enable operational resilience. Powered by the Illumio AI Security Graph, our breach containment platform identifies and contains threats across hybrid multi-cloud environments – stopping the spread of attacks before they become disasters.

Recognized as a Leader in the Forrester Wave™ for Microsegmentation, Illumio enables Zero Trust, strengthening cyber resilience for the infrastructure, systems, and organizations that keep the world running.

Our Team's Vision:

Our Engineering team is driven by a culture that thrives on visionary leadership, autonomy, and ownership, creating a dynamic synergy that drives us forward in the ever-evolving landscape of cybersecurity.

When you join our team, you become part of the leader in Zero Trust Segmentation. You'll work with a cutting-edge technology stack that spans operating systems, distributed applications, and immersive UI/visualization tools.

We're shaping the future of cybersecurity. And together, we will continue to build world-class products—led by people with different perspectives, backgrounds, and a commitment to innovation in a time when the world faces its greatest cybersecurity threats in history.

Your Impact:

This is a unique role that requires different skills: Security, development, and knowledge of the end-to-end certification process. This role goes beyond DevOps role and includes the opportunity to contribute significantly to hands-on platform product development. To be successful in this role, you will:

This is an excerpt. Read the full job description on Illumio careers →
All software engineering jobs software engineering in Sunnyvale, CA Jobs in Sunnyvale, CA software engineering salaries software engineering career path
All Illumio Jobs Browse software engineering roles principal positions