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Oleksandr B. — Senior DevOps Engineer from Poland

Oleksandr B.

Senior DevOps Engineer

Poland 6+ years
Open to offersNew to Platform
Languages
EnglishUkrainianRussianPolish
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About

Oleksandr B. is a seasoned Senior DevOps Engineer and SRE with over 15 years of experience in enterprise IT. He excels in building and operating cloud platforms, specifically in AWS and Azure ecosystems. Oleksandr's expertise encompasses infrastructure automation using Terraform and managing Kubernetes environments, including CI/CD workflows via GitOps methodologies with ArgoCD and GitLab CI. He has played a pivotal role in setting up AWS landing zones, supporting AI/ML infrastructure, and migrating on-premises systems to Azure. Oleksandr is adept at optimizing costs, enhancing observability with Prometheus and ELK, and implementing robust security measures. His leadership role at a prominent IGaming company involved developing DevOps processes, improving service reliability, and integrating automation workflows. He is certified in key technologies, including AWS, Google Cloud, and Microsoft Azure, further substantiating his technical proficiency. Oleksandr is well versed in providing technical consultation, mentoring teams, and producing comprehensive technical documentation, showcasing a strong commitment to operational excellence.

Experience

  • DevOps Team Leader

    NDA · 2024 — Present
    Established the AWS platform foundation for application workloads, including networking and CI/CD integration. Designed and executed CI/CD delivery workflows with GitLab CI and ArgoCD. Built and maintained Kubernetes deployment patterns with Helm charts. Created an observability stack encompassing Prometheus, VictoriaMetrics, ELK, and Datadog for enhanced visibility into operations. Automated workflows using n8n and implemented cloud security patterns for architecture and operational processes.

  • Senior DevOps Engineer

    InvestBrain · 2023 — 2024
    Engineered AI model infrastructure using AWS and GCP, managing multi-stage environments for AI services. Implemented deployment automation and ensured environment consistency. Developed cost optimization strategies and automation solutions for application deployment. Created detailed architecture diagrams and constructed pipelines for Large Language Models (LLMs), while also authoring extensive technical documentation.

  • Senior DevOps Engineer

    SoftServe · 2021 — Present
    Designed and implemented AWS and Azure landing zones with security integrations. Developed Infrastructure as Code using Terraform to deploy AWS and Azure infrastructure. Built CI/CD and GitOps delivery solutions with ArgoCD, Argo Workflows, and related tools. Provided consultations on AWS, Azure, Terraform, DevOps practices, and secure cloud infrastructure design. Developed infrastructure tailored for AI/ML workloads and prepared architecture diagrams supporting various network models and Azure services.

  • Senior DevOps Engineer

    Customertimes · 2021 — 2021
    Oversaw AWS-based infrastructure for application workloads and crafted Terraform templates and modules. Proposed innovative methods for deploying and configuring infrastructure applications while researching best practices for maintenance. Engaged in cloud-agnostic infrastructure solutions and collaborated with development teams to enhance deployment processes.

  • Senior DevOps Engineer

    Epam · 2018 — 2021
    Implemented Infrastructure as Code with Terraform, Terraform Cloud, CloudFormation, and ARM templates. Collaborated with Dev/QA/Security teams to optimize application structure. Redesigned CI/CD for container-based applications and managed infrastructure on AWS and Azure. Developed Helm charts and implemented monitoring solutions using AWS services and Prometheus, along with security measures utilizing HashiCorp Vault.

  • DevOps Engineer

    Ciklum · 2017 — 2018
    Created Terraform and ARM templates while managing Azure services. Executed Continuous Integration/Continuous Deployment (CI/CD) processes using Azure DevOps and established monitoring systems with ELK. Conducted OS hardening for both Windows and Linux systems.

  • System Administrator Windows

    MTI · 2013 — 2017
    Installed, configured, and maintained Windows servers primarily overseeing critical services such as Active Directory, DNS, and WSUS. Managed and upgraded the Citrix farm and established a centralized antivirus management system. Developed technical documentation and troubleshot system issues while implementing automation with PowerShell and Python. Maintained monitoring systems using Zabbix and managed backups with Veeam.

Skills & Expertise

BloggerFlutter DeveloperPhotoshop ExpertDevOps EngineerHR Generalist

Education

  • Master's degree
    NTUU “KPI”