---
title: 'Engineering Intern, SRE at Illumio'
canonical: 'https://feeny.ai/job/engineering-intern-sre-illumio-sunnyvale-t995qe915vzb'
type: 'job'
last_seen: '2026-11-10'
---

# Engineering Intern, SRE at Illumio

- **Company:** [Illumio](https://feeny.ai/companies/illumio)
- **Location:** Sunnyvale, CA / HQ
- **Employment:** internship
- **Work type:** onsite
- **Posted:** 2026-11-09
- **Last confirmed live:** 2026-11-10
- **Apply:** https://jobs.ashbyhq.com/illumio/2bcba5c3-c6e7-407c-92b2-73027594789e

## Job description

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. This is a 12 week internship program beginning on May 24th 2027 or June 21st 2027

Location: 4 on-site days a week in Sunnyvale, CA Headquarters.

Our Team's Vision: Our Engineering team has established a culture based on thought leadership, independence, and responsibility. This powerful dynamic drives us forward as we work to make the digital world a safer place.

Those who join us represent the leader in Zero Trust Segmentation and work on a technology stack that ranges from operating systems to distributed applications to UI and visualization. Together, we will continue to build world-class products—driven 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:

- Gain hands-on expertise in public cloud infrastructure management and deployment in Kubernetes
- Participate in projects to integrate AI services into existing workflows
- Learn to implement and optimize monitoring public cloud ecosystems for efficient system health tracking and Observability
- Acquire practical skills in building, managing and optimizing CI/CD pipelines for applications
- Enhance troubleshooting skills, focusing on diagnosing and resolving issues in cloud-native and distributed systems
- Develop proficiency in designing for scalability to support growing data and workloads
- Master modern deployment practices, ensuring reliable and efficient releases

Your Toolkit:

- Currently enrolled in a full-time Bachelor's or Master's degree-seeking program with an expected graduation date in Winter 2026/Spring 2027
- Good understanding of object-oriented programming, data structures and algorithms including distributed systems
- Proficiency in C++/Python/Go, or similar programming language and willingness to learn Go language quickly
- Experience with AI tools/models and AWS/Azure working experience a plus
- Examples of your own self-driven projects that illustrate your passion for software development

What You’ll Gain:

- Hands-on experience running and scaling production cloud infrastructure that supports Illumio's Zero Trust Segmentation platform
- Real-world experience with Kubernetes, public cloud platforms (AWS/Azure), and modern CI/CD and deployment tools
- A look at how observability, monitoring and incident troubleshooting keep distributed systems reliable at scale
- Experience bringing AI services into real engineering workflows, a skill more and more companies are looking for
- Mentorship from experienced Site Reliability and Cloud Engineers and technical leaders
- A better understanding of how reliability, scalability and security are built into a cybersecurity product from code to release

A supportive and inclusive environment that values curiosity, ownership and continuous learning To support you throughout your internship, Illumio interns can look forward to:

- Stipend: A stipend to help support you during your internship.
- Events & Experiences: Fun and meaningful events providing opportunities to connect with fellow Illumineers to build new skills and experience our culture.
- Giving Back: Opportunities to volunteer and make an impact in our community.
- Meals & Snacks: Stay fueled with a fully stocked office, snacks and beverages, plus catered lunch from local restaurants every day!

## #LI-PO1 #LI-ONSITE

Candidates selected for an internship must have valid U.S. work authorization for the full duration of the internship. Illumio does not provide immigration sponsorship for internship positions; however, candidates who are independently eligible for employment authorization, including eligible F-1 students who obtain appropriate CPT or OPT authorization, may be considered. Any required employment authorization must be in place before employment begins. If an intern is later considered for a full-time position, any need for future immigration sponsorship will be evaluated separately under Illumio’s immigration policy and the requirements of the position.

Our Commitment

Illumio believes that an environment of unique backgrounds, experiences, viewpoints, and individual contributions creates a culture of belonging, drives our future, and makes us stronger together in support of our customers and their success.

All official job offers from our company are extended directly by our recruitment team and will be sent through an official E-Signature document for your review and signature. Please be aware that we do not ask for any personal information in the process of extending offers of employment, such as financial details or social security numbers. Upon acceptance of any offer, we will request such information as part of the onboarding process prior to or on your first day of employment, and only after completing a background check through an authorized third-party vendor. If you receive any communication asking for personal details outside of these processes, please contact us immediately to verify the authenticity of the request. Your security is important to us, and we are committed to a safe and transparent hiring experience. For roles in San Francisco and Los Angeles: Pursuant to the San Francisco Fair Chance Ordinance and the Los Angeles Fair Chance Initiative for Hiring, Illumio will consider for employment qualified applicants with arrest and conviction records.

## About Illumio

## Company Overview
- **One-liner**: Illumio provides a breach containment platform that prevents lateral movement and strengthens cyber resilience across hybrid and multi-cloud environments using AI-powered microsegmentation.
- **Entity Type**: Private (over $557.5M in total funding, 5 rounds, late-stage)
- **Headquarters**: Sunnyvale, California, USA
- **Founded**: 2013
- **Founders**: Not publicly available (co-founders typically listed as Andrew Rubin and PJ Kirner, but not confirmed in provided sources)

## Core Business
- **Primary industry/industries**: Cybersecurity (Computer and Network Security)
- **Target customers**: B2B – enterprise and midsize businesses across banking & financial services, energy & utilities, government, healthcare, and manufacturing
- **Mission or purpose statement**: “Breaches are Inevitable. Disasters are Optional.” – focuses on shifting from prevention to cyber resilience and breach containment.

## Products & Services
- **Illumio Segmentation**: Microsegmentation platform that secures critical assets, workloads, and devices across hybrid and multi-cloud environments. Prevents lateral movement and enforces Zero Trust.
- **Illumio Insights**: AI-powered observability, detection, and containment platform. Identifies lateral movement, detects attacks, and enables one-click containment using the Insights Agent (AI teammate).
- **Illumio CloudSecure**: A newer product focused on cloud security, integrating with Azure Firewall Management and other cloud environments.

## Market Standing
- **Valuation/Market Cap**: Not disclosed.
- **Key Metrics**: Annual revenue of $100M (LinkedIn estimate); total funding of $557.5M (LinkedIn).
- **Notable Investors/Partners**: Not specified in provided sources. Key partnership: collaboration with Microsoft to strengthen cyber resilience and prevent breaches at scale.
- **Growth Signals**: 640 employees (+12.0% YoY, +96 people); named a 2024 Forrester Wave Leader in Microsegmentation; named a Customers’ Choice in the 2026 Gartner Peer Insights Voice of the Customer for Network Security Microsegmentation; targeting new AI-driven market with Insights Agent.

## Competitive Advantages
- Proven leader in microsegmentation (Forrester Wave Leader, Gartner Customers’ Choice).
- First-to-market breach containment platform – not just detection but automated containment.
- Strong cross-platform support (hybrid, multi-cloud, on-premises).
- High customer satisfaction (4.8/5 star rating based on reviews).
- Deep integrations with major cloud providers (Microsoft Azure, AWS).

## Strategic Focus
- Expanding AI capabilities with the Insights Agent for faster threat detection and automated remediation.
- Deepening cloud-native integrations, especially with Azure Firewall Management.
- Scaling from mid-market to large enterprise and government sectors.
- Building a new global headquarters (Sunnyvale) and expanding regional offices (London, Paris, Tokyo, Singapore, Australia, etc.).

## Why Work Here
- **Culture**: “Illumineer” culture built on innovation, cross-functional collaboration, and inclusion. Core values: Customer First Always, Relentless Execution, Onwards Together.
- **Work model**: Hybrid – 2 days per week in office (Sunnyvale); every Friday is a remote work day.
- **Benefits**: Comprehensive medical benefits, generous parental leave, fitness reimbursement, mentorship program, professional development resources, catered lunches, stocked kitchen, Illumineer Day (dedicated holiday).
- **Employee Resource Groups**: The Neuroverse (neurodiversity), The Rainbow Room (LGBTQIA+), The Women (women’s leadership), The Village (caregivers).
- **Growth**: Fast-growing company (12% headcount YoY) with a mission-critical cybersecurity product; interns work on real projects that impact the future of security.

## Sources
1. [Illumio Homepage](https://www.illumio.com/)
2. [Illumio Careers Page](https://www.illumio.com/company/careers)
3. [Illumio Corporate Overview](https://www.illumio.com/resource-center/corporate-overview)
4. [Illumio Job Listing (Senior Backend Engineer)](https://www.illumio.com/company/job-listing)
5. [Illumio LinkedIn Company Page](https://www.linkedin.com/company/illumio)

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