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Senior Site Reliability Engineer Job Details | Optimizely By continuing to use and navigate this website, you are agreeing to the use of cookies. Accept Close Skip to main content Life at Optimizely Diversity and Inclusion Executive Team Locations Sign in Search by Keyword Search by Location Clear Life at Optimizely Diversity and Inclusion Executive Team Locations Sign in Search by Keyword Search by Location Show More Options Loading... Category All Country/Region All Clear Select how often (in days) to receive an alert: Create Alert × Select how often (in days) to receive an alert: Senior Site Reliability Engineer Apply now » Date: Apr 26, 2026 Location: Hanoi, VN Company: Optimizely At Optimizely, we're on a mission to help people unlock their digital potential. We do that by reinventing how marketing and product teams work to create and optimize digital experiences across all channels. With Optimizely One, our industry-first operating system for marketers, we offer teams flexibility and choice to build their stack their way with our fully SaaS, fully decoupled, and highly composable solution. We are proud to help more than 10,000 businesses, including H&M, PayPal, Zoom, and Toyota, enrich their customer lifetime value, increase revenue and grow their brands. Our innovation and excellence have earned us numerous recognitions as a leader by industry analysts such as Gartner, Forrester, and IDC, reinforcing our role as a trailblazer in MarTech. At our core, we believe work is about more than just numbers -- it's about the people. Our culture is dynamic and constantly evolving, shaped by every employee, their actions and their stories. With over 1500 Optimizers spread across 12 global locations, our diverse team embodies the "One Optimizely" spirit, emphasizing collaboration and continuous improvement, while fostering a culture where every voice is heard and valued. Hiring Manager: Hoan Le ([email protected]) Introduction SREs at Optimizely are focused on making us the most reliable, performant, and trustworthy Digital Experience Optimization platform ever. Our engineering teams have built data pipelines that process 10 billion events daily and applications that support powerful experimentation and collaboration workflows at scale. Our platforms are built on AWS and GCP. We use technologies such as Kafka, Samza, HBase, MySQL, and Postgres. We build and manage our systems using TravisCI, Jenkins, Docker, Kubernetes, Terraform, and Chef. We use a combination of managed and self-hosted approaches. This is a unique opportunity to lead the engineering organization in areas of standardized automated infrastructure and service provisioning and orchestration, service-oriented architectural excellence, and forward-looking planning and execution of large technical project We are looking for a Senior Site Reliability Engineer to help build and scale our CloudOps capabilities. You will be responsible for designing, implementing, and operating critical infrastructure and platform services while collaborating closely with engineering, support, and product teams to improve the reliability, scalability, and performance of our systems. This is a hands-on technical role where you will be instrumental in shaping the SRE culture, driving automation, and ensuring high availability across all services. Job