Sr. Member of Technical Staff - Platform

Illumio • Sunnyvale, CA

50d • Onsite

About The Position

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: Sunnyvale, California 5 days a week in office Our Team’s Vision: Our Engineering team is shaping the future of cybersecurity. We thrive on visionary leadership, autonomy, and ownership, fostering a culture of innovation that propels us forward in the ever-evolving cybersecurity landscape. As a leader in Zero Trust Segmentation, we are redefining security for a world facing unprecedented cyber threats. You’ll work with a highly scalable SaaS service built using cloud-native technologies while simultaneously shipping the solution on-premises. Our guiding philosophy in Engineering is to get things right through practicing disciplined engineering, focusing, not cutting corners, and of course having fun while we are at it. We believe in enabling ownership at all levels of the organization and empowering teams. If you thrive in this culture, come join us!

Requirements

• Bachelor’s degree in Computer Science or equivalent, with 3–5 years of experience building distributed, scalable software and systems.
• Strong coding skills in Ruby, Java, or Go, with experience building API-based web services and a desire to deepen expertise in Ruby.
• Hands-on experience with PostgreSQL, Redis, or similar database and caching technologies.
• Deep expertise in Kubernetes architecture and operations, with familiarity implementing GitOps workflows (e.g., ArgoCD, Flux).
• Solid understanding of CI/CD systems (especially Jenkins), and experience working with Azure and AWS at the API/programming level.
• Demonstrated analytical and debugging skills, with a passion for continuous learning and staying current with technological trends.
• Excellent communication and collaboration abilities, thriving in team-oriented environments.

Nice To Haves

• Experience with networking and network security controls.
• Exposure to platform resiliency practices and incident response.
• Familiarity with observability tools (e.g., Prometheus, Grafana).
• Experience with infrastructure as code (e.g., Terraform, Pulumi).

Responsibilities

• Design, build, and maintain core cloud-native platform services utilizing the Kubernetes control plane to enable rapid product development and high-scale deployment in a multi-tenant, distributed architecture.
• Develop robust microservices using Ruby, Java, or Go, using Kubernetes and data services like PostgreSQL and Redis across Azure and AWS clusters.
• Own the full development lifecycle including deployment, focusing on defining Kubernetes deployment strategies, ensuring comprehensive observability (Prometheus/Grafana), and implementing best practices for production reliability and critical issue resolution.
• Enhance and manage multi-cluster CI/CD pipelines using Jenkins and automation, strictly adhering to GitOps principles (e.g., ArgoCD or Flux) for declarative configuration management across hybrid and multi-cloud Kubernetes environments.
• Foster team excellence through mentorship and rigorous code reviews, driving adoption of Kubernetes security policies, resource optimization, and overall cloud-native best practices.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 501-1,000 employees