Illumio

Staff Software Engineer

HQ - Sunnyvale (Office)
Salary
$190K - $235K
Level
Staff
Work type
On-site · Sunnyvale

Not stated in the posting: visa.

Open. First seen 3 November 2026.

About the role

Illumio's standard text

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.

Illumio's standard text

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:

At Illumio, our engineering team thrives on visionary leadership, customer-centric innovation, and relentless execution. We tackle the most critical and complex challenge in modern cybersecurity: stopping malicious actors and containing cyber threats before lateral movement turns an attack into a widespread business catastrophe.

As an engineer here, you will design, build, and optimize massively scalable distributed systems that power the future of zero trust, segmentation, and automated breach containment. Working across a high-performance stack—from operating system internals to highly available multi-cloud scaling and immersive data visualizations—you will solve complex networking, massive real-time telemetry processing challenges.

If you are eager to conquer deep systems-level problems, build fault-tolerant software at a massive scale, and create a safer digital future for the world’s largest enterprises, join our mission and engineer the defense systems of tomorrow.

Your Impact:

  • Deliver cloud architecture that solves the business problem and balance architecture and business margins
  • Collaborate with cross-functional teams, including Product manager, developers, DevOps engineers to understand business requirements and architect scalable cloud solutions
  • Design, deploy, and manage cloud-based architecture using industry best practices, focusing on efficiency, scalability, availability, performance, and security
  • Evaluate and select appropriate cloud technologies, platforms, and tools, including Kubernetes, to meet the company's needs and drive innovation
  • Optimize cloud-based systems for high availability, fault tolerance, and disaster recovery
  • Implement and manage monitoring, logging, and alerting systems to ensure the health and performance of the cloud infrastructure
  • Identify and resolve performance bottlenecks, security vulnerabilities, and other operational issues in the cloud environment
  • Stay up-to-date with the latest trends, technologies, and best practices in cloud computing, distributed systems, and cyber security

Your Toolkit:

  • Proven experience as a Cloud Architect or a similar role, designing and implementing cloud-based solutions in a production environment
  • AWS / Azure / GCP cloud experience
  • Extensively used one of these platforms at the API/programming level
  • Experience with networking and security controls is a plus
  • Language and programming requirements
  • Experience in one or more programming languages: Java, Python
  • REST API client experience
  • CloudFormation, Terraform are nice to have
  • Working knowledge of spring or similar eco systems o Knowledge of Kubernetes and docker containers is good to have
  • Gang of four design patters
  • Strong expertise in cloud platforms such as Amazon Web Services (AWS), Microsoft Azure, or Google Cloud Platform (GCP)
  • In-depth knowledge of Kubernetes and containerization technologies
  • Built highly scalable distributed system from ground up
  • Experience with building highly scalable and resilient cloud services
  • Excellent problem-solving and troubleshooting skills
  • Strong communication and collaboration abilities
  • Ability to work in an agile environment and drive initiatives with clarity and purpose

#LI-TD1 #LI-ONSITE

Our Commitment

Illumio's standard text

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.

Illumio's standard text

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.

What this role asks for

Particular to this role

Agile · Docker · Spring

Rare in Illumio's other 45 open postings.

Standard for software engineering roles

Python

Common in software engineering postings at any company.

In most of Illumio's ads

AWS · Azure · Cybersecurity · Kubernetes · Zero Trust

Named in most of its open postings, whatever the role.

80% of this description is written for the role. The rest is Illumio's standard text, folded away below.

Compared with Illumio's other open jobs.

The team: Engineering HIRES STEADILY

This role is one of 30 open in Engineering. 11 were posted in the last 30 days and the oldest in November: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

Cybersecurity (30 of 30), Zero Trust (30 of 30), Kubernetes (28 of 30), AWS (26 of 30), Azure (26 of 30), Golang (26 of 30), GCP (24 of 30)

OTHER ROLES ON THIS TEAM

From the team and dates on Illumio's own job board.

Salary context

162 other open postings titled Staff Software Engineer state a salary: median USD 200,000 to USD 258,250 a year.

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