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DEVOPS ENGINEER

Serhii K.
Email: [open contact info](look above in the "contact info" section) | LinkedIn: [open contact info](look above in the "contact info" section)

PROFESSIONAL SUMMARY

Senior DevOps / Platform Engineer with 18+ years of experience in IT, including 9 years in
DevOps. Expert in cloud-native architectures, Kubernetes platforms, infrastructure
automation, security, and large-scale distributed systems. Proven leader with strong
experience in team management, mentoring engineers, and delivering complex enterprise
and AI-driven platforms.

KEY EXPERIENCE & RESPONSIBILITIES

• Design and documentation of system architecture, new features, and third-party
integrations
• Managing DevOps teams and coordinating with engineering teams and client stakeholders
• Building and refining technical backlogs aligned with business requirements
• Designing, implementing, and testing cloud and on-premise IT infrastructures
• Improving and maintaining automated release management and deployment pipelines
• System and IT security testing, issue resolution, and SSO implementation
• Participation in hardware and software evaluation and selection
• Organizing customer support, maintenance, and system updates
• Kubernetes administration (4+ clusters)
• Infrastructure as Code (Terraform), environment rollouts
• Cost optimization and performance tuning

SELECTED PROJECTS

Project #1 – Azure Cloud: RAG Chat Application (from scratch)
• End-to-end cloud architecture, CI/CD, security, and automation
Project #2 – ML / AI Portal: GenAI Platform of Platforms
• Enterprise GenAI platform integrating LLM-powered AI solutions
• Stack: AKS, ArgoCD, APISIX, SonarCloud, Keycloak, Postgres, GitHub, Java, Python

Project #3 – Next-Gen Alerting System (ATSC 3.0)
• Highly scalable multi-cloud event-driven platform
• Stack: Kubernetes, AWS, GCP, Azure DevOps, Kafka (Confluent), Prometheus, Grafana,
Apigee, Auth0, Ansible, Terraform, Helm, Redis, Elastic, Splunk, GitLab, VMware, Proxmox,
Wiz, CrowdStrike

Project #4 – Big Data Warehouse (Alibaba Cloud)
• Large-scale data ingestion and analytics platform
• Stack: Apache NiFi, Hadoop, Cassandra, Spark, Kafka, TYK API Gateway, Java, Jenkins
(Groovy), Docker, Nexus, Kubernetes, Prometheus, DataDog, SonarQube, Postgres, BaseX,
Jupyter

CORE TECHNOLOGIES

• Cloud: Azure, AWS, GCP, Alibaba Cloud
• Containers & Orchestration: Docker, Kubernetes, Helm, ArgoCD
• CI/CD & Automation: GitHub Actions, GitLab CI, Jenkins, Azure DevOps
• IaC & Config: Terraform, Ansible
• Security: Keycloak, ForgeRock, Auth0, CrowdStrike, Wiz, Vault
• Data & Messaging: Kafka, Cassandra, Redis, Postgres, Elastic, NiFi
• Monitoring: Prometheus, Grafana, Splunk, DataDog

LANGUAGES

English — B2 (Upper-Intermediate)
Ukrainian — Native
Polish — B2 (Upper-Intermediate)