Staff Engineer - Cloud Security

Illumio; San Jose (CA); On-site; USD 180,000 - 240,000; Full time

Job summary

Illumio is seeking an accomplished software architect in Sunnyvale/San Jose area to build distributed Go services for a multi-tenant platform. You will design and defend architectures, mentor engineers, and own end-to-end delivery from requirements through deployment.

The role emphasizes Go and SQL along with Kubernetes-based infrastructure, cloud familiarity, and strong systems thinking to deliver real-time insights and security capabilities across hybrid multi-cloud environments.

Qualifications

• Bachelor’s in computer science or equivalent degree; Master’s preferred.
• 8+ years building distributed and scalable software and systems.
• Experience with AWS/Azure/GCP cloud platforms at API/programming level.

Responsibilities

• Develop containerized services for a distributed multi-tenant system processing real-time data and network telemetry.
• Design and defend architecture; deliver rock-solid implementations.
• Mentor junior engineers and interns to grow as engineers.
• Write code primarily in Go and work with data pipelines using SQL or similar interfaces.
• Own features and subsystems from requirements to deployment and usage.
• Own operations and write maintainable, observable software; participate in testing.
• Maintain code quality with early testing and integration tests.
• Collaborate with Product Management to refine requirements beyond customer expectations.
• Develop deep understanding of customer problems through stakeholder interactions.

Skills

Go

SQL

Kubernetes

Cloud platforms

REST API

Unix/Linux

Distributed systems

Containerization

Networking

Education

Bachelor's in CS

Master’s degree a plus

Tools

Kubernetes

CloudFormation

Terraform

Ansible

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.

Location: 5 on-site days a week in Sunnyvale, CA Headquarters.

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

• You will be developing containerized (micro) services for a distributed multi‑tenant system that process data and real time events and network telemetry from multiple public clouds to provide real time insights, visibility, and security recommendations to customers so they can identify and minimize risk in the cloud.
• You will design your service, work out all of the details, defend the design/architecture before your peers, and deliver a rock‑solid implementation.
• You will also mentor junior engineers, new‑grads, and interns to help them grow as engineers and become productive members of the team.
• You will primarily write code in Go and work with data pipeline using SQL or other types of interfaces. We leverage Kubernetes for service infrastructure platform. We welcome people with backgrounds in other languages and technology stacks along with a desire to learn.
• Own critical features and subsystems and own the entire software development lifecycle, from clarifying requirements to ensuring their successful deployment and usage by customers.
• Own operational aspects of the system, being on the front lines and experiencing first‑hand the challenges of operating such a system, will make you understand how to write better more supportable software, like no other experience.
• Own code quality, as we do early developer testing and functional/integration testing to ensure we build robust and resilient products.
• Partner with Product Management to review, refine requirement that exceed our customers’ expectations.
• Develop deep understanding of the fundamental problems our customers need solved through interaction with stakeholders and peers.

Your Toolkit

• Bachelor’s in computer science or equivalent degree. Master’s degree a plus
• 8+ years building distributed & scalable software and systems
• Passion for software development, willing to constantly learn, keeping up with technological trends, and working in a team setting
• 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
• Our platform is K8s based so experience delivering a containerized serviced is desired
• Language requirements
  • Experience in Go and SQL
  • REST API client experience
  • CloudFormation, Terraform, Ansible are nice to have
  • General TCP/IP networking knowledge
  • Unix/Linux programming environment experience

This position involves access to software/technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls.

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.