We have an excellent opportunity for a bright, smart, and highly motivated Senior/Principal Site Reliability Engineer to join our mature project team. You have a unique chance to become part of our team and work with best practices and methodologies. This role empowers you to take the lead and excel to your fullest potential. Customer Our customer is Beeswax ( https://www.beeswax.com/about/ ), a rapidly growing US AdTech company. Founded by three former Google specialists, it has a highly technical team and an excellent technological culture. Beeswax provides extremely high-scale Bidder-as-a-Service solutions in advertising technology, works with global businesses, and has raised $28M (including the most recent Series B raise of $15M) to date. Sigma Software works with Beeswax to provide numerous key components of the platform. It is looking for engineers to complement the Beeswax engineering team and drive further platform development. Project We're seeking a skilled Senior Site Reliability Engineer responsible for the Cloud Infrastructure and Observability solutions for the Client`s platform and ensuring all systems run smoothly. If you're passionate about complex tasks, optimizing systems, driving innovation, providing the highest quality, and collaborating with top talent, this is the perfect opportunity. The project is an easy-to-use, massive-scale, and highly available demand-side platform. Backed by Amazon Web Services and Kubernetes, the team has embraced Infrastructure as code to manage thousands of applications, servers, and containers running in multiple regions worldwide. Bring your expertise to our dynamic and forward-thinking environment! Requirements Bachelor's or higher degree in computer science, computer engineering, relevant technical field, or equivalent practical experience Expertise with architecture solutions and system design Experience in analyzing and troubleshooting large-scale distributed systems At least 6 years of administration experience with Linux, AWS, and Kubernetes At least 6 years of experience in configuration management using Cloud Formation, Terraform, and Ansible or similar At least 3 years of experience with Python Strong problem-solving skills Strong verbal/written communication skills At least an Upper-Intermediate level of English Responsibilities Design and build infrastructure and tooling to provide high scalability, reliability, and sub-second performance levels using security industry best practices Write code and scripts to support Infrastructure as code (IaC), configuration management, and automated incident resolution Support and extend the observability stack to capture and alert on any system issues Participate in on-call rotations and be an escalation contact for service incidents Write systems documentation, troubleshoot playbooks and other instruction manuals Other duties and responsibilities as assigned