> Markdown version of [/jobs/ext/4568170-staff-software-engineer](https://www.wearedevelopers.com/jobs/ext/4568170-staff-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Staff Software Engineer - **Company:** Illumio - **Location:** San Francisco, CA, United States - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Microsoft Azure, Cloud Computing, Cloud Engineering, Cyber Security, Computer Programming, Data Visualization, DevOps, Disaster Recovery, Distributed Systems, Fault Tolerance, Python (Programming Language), Network Security, Cloud Services, Zero Trust Network Access, Data Logging, Google Cloud, Cloud Platform System, System Availability, Cloudformation, Containerization, Kubernetes, Cybercrime, Restful APIs, Terraform, Docker - **Published:** November 4, 2026 - **Apply:** https://startup.jobs/staff-software-engineer-illumio-com-10665892 ## About the Role * 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 ## Description 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: 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