As a Principal Software Engineer on the CI and CD Foundation team, you will lead the charge in transforming legacy CI/CD infrastructure and tooling into an automated, self-healing, and observable platform that powers the development and delivery of Roblox's game engine, Studio, and app products. This is a high-impact role where you will drive technical strategies of multi-repo builds, testing, and infrastructure, leverage cutting-edge technologies to modernize how we build software at scale in the age of AI. You will report to the Manager of this team, and having significant cross-functional impact. You Will: Architect CI/CD Strategy: Define and execute the long-term vision for our CI/CD ecosystem, transforming legacy infrastructure into a high-velocity, automated, and self-healing platform. Partner with Engineering: Collaborate closely with Client Engineering leads to deeply understand their tech stacks (Game Engine, Studio, Apps), translating their workflows into scalable, high-performance tooling solutions. Drive System Reliability: Lead efforts to maximize build reliability and efficiency at scale, reducing latency and downtime to unlock 5x-10x productivity gains. Pioneer AI Integration: Spearhead the adoption of agentic AI and intelligent automation, turning manual, repetitive developer tasks into autonomous, self-service workflows. Champion Technical Excellence: Mentor senior engineers, drive architectural reviews, and foster a culture of engineering rigor and innovation across the CI/CD organization. You are: CI/CD Expert: Extensive experience designing and maintaining large-scale, modern CI/CD pipelines (e.g., TeamCity, Jenkins, GitHub Actions, GitLab). Innovative Problem Solver: A builder at heart with a track record of solving complex problems at scale. You leverage out-of-the-box thinking, strong leadership, and hands-on experience with modern AI coding solutions (e.g., Claude Code, Codex). Cloud Infrastructure Expert: Strong working knowledge of build infrastructure automation and container orchestration, including AWS, Docker, Kubernetes (K8S), or Nomad. Proficient Coder: Mastery of at least one modern language (e.g., Python, Go, C++, or Java) with a focus on design best practices and deep code comprehension. Data-Driven Mindset: Proven track record applying observability and data pipeline technologies to drive solutions at scale. For roles that are based at our headquarters in San Mateo, CA: The starting base pay for this position is as shown below. The actual base pay is dependent upon a variety of job-related factors such as professional background, training, work experience, location, business needs and market demand. Therefore, in some circumstances, the actual salary could fall outside of this expected range. This pay range is subject to change and may be modified in the future. All full-time employees are also eligible for equity compensation and for benefits as described on this page. Annual Salary Range $345,040-$399,420 USD Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted).