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Site Reliability Engineer II

Vacant position(s) at Optimizely (formerly Episerver) - Hanoi, Vietnam.
Position ID: #1536
Dept: Software Engineering
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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 projects.

Job Responsibilities

  • Help build a Site Reliability Engineering culture across the organization by sharing your best practices, approaches, documentation, and code with other engineering teams
  • Apply automation and software to any tasks or parts of the system that would benefit from it or are performed manually
  • Ensure effective performance and 24x7 availability of all production systems
  • Monitor alerts coming out of all Optimizely’s platforms, and coordinate with Operations/SRE/TSS/Engineering teams as necessary to take preventive or corrective action to resolve any incidents, with a goal to minimize MTTA/R
  • Put in place and manage an effective on-call rotation within the team
  • Work with engineering teams to set up proper monitoring and alerting thresholds across all Optimizely services and applications so the SRE team is focusing on key areas to stabilize the platforms
  • Document your system knowledge as you acquire it over time, create runbooks, and ensure critical system information is readily available to those who need it
  • Accountability for platform uptime SLAs.

Knowledge and Experience

  • Proven experience with AWS/Azure cloud infrastructure and DevOps
  • Experience using Kubernetes to build containerized applications
  • Good understanding Identity Governance catalog
  • Experience building secure multi-tier web applications
  • Experience configuring continuous integration and continuous delivery (CI/CD) systems such as TeamCity
  • Proficiency with databases such as SQL Server, Postgres, and MongoDB
  • Proficiency with ELK
  • Strong desire to learn and collaborate with the team
  • Must have a strong passion for continuous improvement
  • Ability to work with remote coworkers in other time zones
  • Familiarity with Agile development methodologies such as Scrum
  • Fluent in English both written and oral.

Bonus points

  • Experience building scalable multi-region applications
  • Proficiency in scripting/Programming like PowerShell, Bash, or Python
  • Experience configuring software monitoring tools such as DataDog, Kibana, ELK, etc.
  • Proficiency in using configuration management tools such as Terraform.


  • Bachelor’s Degree (Computer Science or engineering preferred) or equivalent work experience


  • Displaying Technical Expertise
  • Critical Thinking
  • Testing and Troubleshooting
  • Demonstrating Initiative
  • Utilizing Feedback
Position ID: #1536
Dept: Software Engineering
Apply Now

About Optimizely

Optimizely is focused on unlocking digital potential and we are the recognized category leader in Digital Experience Platform (DXP) and created the category for A/B Testing and experimentation software. We have incredible customers – isn’t that one of the most important aspects of looking for your next job? Optimizely has over 9,000 brands from global organizations such as Visa, Sky, Yamaha, Wall Street Journal to tech innovators like Atlassian, DocuSign, FitBit and Zillow.

Not only are we financially sound and growing but we have unicorn status: Exceeded $300M in revenue in 2020, is profitable already, and has all strategic options ahead of itself. Optimizely continues to invest and addresses a market opportunity north of $30 billion, providing significant personal career growth opportunities.

We are an inclusive culture with a global team of 1200+ people across the US, Europe, Australia, and Vietnam. We blend European and American business culture with emphasis on teamwork, inclusion, and moving fast. People make the difference!

If you are looking to work on the next generation of digital technologies in a fast-paced, hyper-growth environment, apply! We’re just getting started...


  • 5 working days /week with flexible working time and no overtime;
  • Annual luxury Kick-off vacation;
  • International, professional, creative working environment and talented teams
  • Onsite opportunities in Europe and US;
  • Common cultural-sportive- art Clubs and activities, sponsored and/or supported by the Company (Ex: Football, GYM, Swimming, Guitar, English…).
  • Powerful workstation: Core i7-9700, 16-32 GB RAM, 02 x QHD 2560x1440 monitors (2K resolution);
  • 100% official salary during the probation period, 13th month salary, annual salary raise;
  • 12 days of annual leave and 3 days of company holidays (New Year eve 31/12, Junteenth day 18/6, Work Anniversary)
  • Up to 03 extra paid-leave days per year
  • A free “Hacking day” per month for self-studying and researching any IT-related subjects;
  • Social, Health and Unemployed Insurance are based on 100% Gross salary and fully paid by Company;
  • Extra bonus at $ 60 per special occasions (Birthday, Labour Day, National Day, Solar New year, Lunar New Year);
  • Lunch allowance at $30 per month;
  • Baby allowance for a child under 03 years old is $ 12 per month;
  • AON Premium Healthcare Insurance package for employees and their children up to 18 years old.
  • Daily various foods, drink, and seasonal fresh fruits;