Sergey BuyanovSB
Open to opportunities

Sergey Buyanov

@sergeybuyanov

Experienced DevOps Engineer with a passion for security and automation.

United States
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What I'm looking for

I am looking for a challenging role in a dynamic environment that values innovation, collaboration, and a strong security culture, where I can leverage my expertise in DevOps and cloud technologies to drive operational excellence.

I am a Senior DevOps Engineer with over 10 years of expertise in Platform Engineering and Site Reliability Engineering (SRE). My career has been dedicated to integrating security at every stage of development, automating CI/CD pipelines, and implementing secure Infrastructure as Code (IaC). I have extensive experience with Kubernetes, orchestrating scalable and resilient containerized workloads while optimizing cluster performance and enforcing security best practices.

Throughout my career, I have demonstrated a proven ability to build internal developer platforms, enhance system reliability, and automate incident response. My work has led to significant cost reductions and operational efficiencies, such as a 37% decrease in FinOps costs during a recent migration to a serverless architecture. I am passionate about fostering a security-first culture and driving innovation in fast-paced environments, making me a strong communicator and collaborative team player.

Experience

Work history, roles, and key accomplishments

FB

Senior DevOps Engineer

FULLBEAUTY Brands

Jan 2024 - Mar 2025 (1 year 2 months)

Collaboratively migrated and architected a legacy ML application to a serverless architecture using AWS CodePipeline, Lambda, AWS EKS Kubernetes, API Gateway, RDS Aurora Serverless, Apache Airflow, and DynamoDB, reducing FinOps costs by 37% while enhancing scalability and operational efficiency. Automated security compliance checks using Terraform, Prowler, AWS ECS, Lambda, Cloudwatch and Security

AL

Senior DevOps Engineer

Aligntech

Mar 2021 - Nov 2023 (2 years 8 months)

Led the migration from Rancher to AWS EKS Kubernetes, leveraging Terraform, Helm, Argo CD and JFrog Artifactory, reducing deployment time by 60%. Designed, application development and deployed scalable serverless applications on AWS using Python (Django), REST APIs, API Gateway, Step Functions, Kubernetes and Lambda, reducing operational costs by 50% while improving system performance.

VH

DevOps Engineer

Virtual Health

Jul 2020 - Mar 2021 (8 months)

Integrated Terraform modules with Ansible, enhancing deployment speed by 40% and system efficiency. Established a secure CI/CD pipeline for deploying Datadog monitor resources using Terraform modules, collaborating closely with developers to reinforce a resilient platform engineering framework.

DE

DevOps Engineer

Digital Edge

Feb 2019 - Jul 2020 (1 year 5 months)

Implemented Infrastructure as Code (IaC) with Terraform and Ansible on AWS, significantly cutting provisioning time in a mixed Windows and Linux environment within the finance sector. Enhanced CI/CD pipelines with Jenkins and Docker, boosting deployment frequency from weekly to daily.

Education

Degrees, certifications, and relevant coursework

NU

Novosibirsk State University

Bachelor of Science, Computer Science

Studied Computer Science at Novosibirsk State University. Gained foundational knowledge and skills in various aspects of computing.

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Sergey Buyanov - Senior DevOps Engineer - FULLBEAUTY Brands | Himalayas