Senior Software Engineer

Location Location: 5 on-site days a week in Sunnyvale, CA Headquarters. 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 Develop containerized (micro) services for a distributed multi‑tenant system that processes 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. Design your service, work out all of the details, defend the design/architecture before your peers, and deliver a rock‑solid implementation. Mentor junior engineers, new‑grads, and interns to help them grow as engineers and become productive members of the team. Write code primarily in Go and work with data pipelines using SQL or other interfaces. Leverage Kubernetes for the service infrastructure platform. Welcome candidates with backgrounds in other languages and technology stacks along with a desire to learn. Own critical features and subsystems and oversee the entire software development lifecycle, from clarifying requirements to ensuring successful deployment and customer usage. Own operational aspects of the system, being on the front lines and experiencing first‑hand operational challenges to write better, more supportable software. Own code quality, performing early developer testing and functional/integration testing to build robust and resilient products. Partner with Product Management to review, refine requirements that exceed customer 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. 4+ years building distributed & scalable software and systems. Passion for software development, constantly learning, keeping up with technological trends, and working in a team setting. AWS / Azure / GCP cloud experience: extensively used one at the API/programming level; networking and security controls experience is a plus. Experience delivering containerized services on K8s is desired. Language requirements: Go, 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 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 strengthens us together in support of our customers and their success. #J-18808-Ljbffr