Senior Site Reliability Engineer

Date: Feb 4, 2024

Location: Stockholm, SE, 111 23

Company: Optimizely

Optimizely is known for content, commerce, and optimization with our Digital Experience Platform (DXP). Millions of experiences are served with our platform every single day, helping organizations grow exponentially online. We have the honor of serving some incredible customers – which makes what we do extremely rewarding. Optimizely has over 9,000 brands, from global organizations such as Visa, Sky, Yamaha, and 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: we exceeded $300M in revenue in 2020, is profitable already, and have all strategic options ahead of us. 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, Bangladesh, UAE, Singapore, and Vietnam. We blend European and American business cultures, emphasizing 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 with the best humans, please apply! We’re just getting started... 


We are seeking an experienced and highly motivated Senior Site Reliability Engineer (SRE) to join our growing team. In this role, you will be responsible for ensuring the reliability, scalability, and performance of our platforms, which are built on Azure, AWS and GCP. You will work closely with our engineering teams to run, design, build, and maintain our production systems that utilize technologies like K8s, Docker, Elastic Search, .NET, SQL, MongoDB, Github, Datadog, Cloudflare, Azure AD/IAM and Terraform. 

Job Responsibilities

  • Design, develop, run and maintain scalable and reliable tech stacks for our platforms, ensuring high availability and performance. 
  • Collaborate with engineering teams to identify and resolve issues, implement standards and best practices while optimizing system performance. 
  • Develop and implement standards for automated infrastructure and service provisioning. 
  • Drive service-oriented architectural excellence across the organization, promoting best practices and ensuring adherence to established standards. 
  • Plan and execute on technical projects, working closely with stakeholders to ensure successful delivery and alignment with business objectives. 
  • Continuously evaluate and adopt new technologies and tools to improve the efficiency and effectiveness of our infrastructure and operations. 
  • Mentor and guide junior team members, fostering a culture of collaboration, learning, and growth. 

Knowledge and Experience

  • 5+ years of experience in Site Reliability Engineering, Platform Engineer, DevOps, System/Network Admin or similar roles. 
  • 3+ years of documented experience in operating large distributed systems. 
  • Strong experience with cloud platforms, preferably Azure. 
  • In-depth knowledge of technologies such as K8s, Docker, Elastic Search, .net, SQL, MongoDB, Github, Datadog, Cloudflare, IAM, Terraform, and various CI/CD tools. 
  • Experience in scripting/automation/development preferably thru Phyton, PowerShell & bash 
  • Excellent problem-solving skills and the ability to troubleshoot complex infrastructure & application issues. 
  • Strong communication and collaboration skills, with the ability to work effectively across teams and with stakeholders at all levels. 
  • A commitment to continuous improvement and knowledge sharing thru documentation, demos, mentoring etc. 
  • Proficient in both spoken and written English, with the ability to speak and write Swedish at a sufficient level


Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent experience.

Optimizely is committed to a diverse and inclusive workplace. Optimizely is an equal opportunity employer and does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.