# Ivan Kornienko

**Senior DevOps, DevSecOps, SRE, Cloud Architect, MLOps & AI Reliability Contractor**

- **Location**: Remote from Ukraine (GMT+2/GMT+3)
- **Email**: [ivan@korn.systems](mailto:ivan@korn.systems)
- **Phone / Messengers**: +380(95)434-95-08 (Viber, Telegram, WhatsApp, Signal)
- **LinkedIn**: [linkedin.com/in/ivankornienko](https://www.linkedin.com/in/ivankornienko)
- **GitHub**: [github.com/ivankorn](https://github.com/ivankorn)
- **Languages**: English (Professional working proficiency), Ukrainian (Native), Russian (Native)
- **Availability**: Open for international contracts (Fixed hourly/day rate in USD/EUR/GBP)

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## Executive Summary

Highly creative, smart, and experienced Cloud Infrastructure Engineer with **20+ years in IT** (14 years on contract for top US/European corporations, FAANG, retail, and media).

Specializes in architecting scalable cloud platforms, automating complete SDLC pipelines (CI/CD/Sec/Test/Deploy), managing large-scale migrations to microservices, and implementing GitOps. Actively working in the MLOps and AI Reliability domains, configuring autoscaled GPU/CPU clusters (via AWS Karpenter and GKE), cost optimizations, and secure cloud environments for LLM application deployments.

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## Key Expertise

- **Cloud & Solutions Architecture**: AWS, Google Cloud Platform (GCP), Azure, Hybrid Clouds, Serverless, Edge Computing. (Contributor to the Google Cloud Foundation Toolkit and HashiCorp GitHub organization).
- **Containerization & Orchestration**: Kubernetes (GKE, EKS, AKS, K3s, bare-metal), Docker, Helm 3, Gateway API.
- **Infrastructure as Code (IaC)**: Terraform, OpenTofu, Terragrunt, Ansible, Chef.
- **CI/CD & GitOps**: ArgoCD, GitHub Actions, GitLab CI/CD, Jenkins, Azure DevOps, Google Cloud Build.
- **DevSecOps & Platform Security**: Secrets Management (GCP Secret Manager, AWS Secrets Manager, HashiCorp Vault, SOPS, External Secrets Operator), CI/CD Security Scans (Trivy, CodeQL, SonarQube).
- **MLOps & AI Reliability**: AWS Karpenter and GKE autoscaling for GPU/CPU workloads, orchestrating model inference setups, and compliance monitoring.
- **Team Leadership & Mentor**: Managing engineering teams, designing training programs (DevOps Base Camp programs for GlobalLogic and EPAM), and coaching full-time client teams.

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## Work Experience

### Creator / AI Architect

**korn.systems** | _January 2024 – Present_ | Remote

- **Projects**: Development of korn.systems AI assistant and foundational infrastructure modules.
- **Achievements**:
  - Architected and developed the korn.systems AI assistant integration.
  - Built and open-sourced the `terraform-spaceship-github-pages` module for automated GitHub Pages and DNS management.
  - Developed, automated deployment, and open-sourced the korn.systems portfolio website.
- **Tech Stack**: Terraform/HCL2, AI Integrations, Cloud Infrastructure.

### Site Reliability Engineer / Cloud Consultant

**METRO Digital** | _September 2021 – December 2025 (4 yrs 4 mos)_ | Remote

- **Projects**: Comprehensive cloud transformation, multi-cluster GCP migrations, and GitOps implementations across 500+ microservices.
- **Achievements**:
  - Designed and executed the complete GCP migration path for hundreds of microservices, including a critical NoSQL database SaaS migration.
  - Replaced internal CD tools with ArgoCD using the app-of-apps pattern for highly scalable deployments.
  - Implemented secure Gateway API and GCP Private Service Connect (PSC), successfully replacing legacy HAProxy load balancers.
  - Migrated secrets to GCP Secret Manager, fully automated using Jenkins, Terraform, and SOPS.
  - Configured dynamic Jenkins pipelines with automatic repository discovery and dynamic configuration.
  - Developed reusable Terraform modules, structured Helm charts, and Kustomize templates for optimal Kubernetes multi-cluster management.
- **Tech Stack**: Groovy, Terraform/HCL2, Bash, Python, Golang, GCP (GKE, GCS, Cloud Build, IAM, Secret Manager), ArgoCD, GitHub Actions, GitLab CI/CD, SOPS, Gateway API.

### Cloud Engineer (Contractor)

**Voyc AI** | _May 2025 – June 2025 (2 mos)_ | Remote

- **Project**: AI-powered compliance monitoring AWS cloud design and automation.
- **Achievements**:
  - Designed highly available and cost-efficient AWS Cloud Architecture.
  - Automated infrastructure provisioning from scratch using OpenTofu, Terraform, and Terragrunt.
  - Implemented Karpenter for AWS EKS to achieve dynamic, cost-optimized scaling of Kubernetes nodes.
- **Tech Stack**: Terraform/HCL2, Bash, Python, Golang, AWS, ECS, EKS (with Karpenter), VPC, KMS, EFS, ALB, API Gateway, IAM, S3, Secret Manager, Redis, RabbitMQ, PostgreSQL, OIDC, GitHub Actions.

### Engineering Consultant

**Elsewhen Ltd** | _July 2021 – September 2021 (3 mos)_ | Remote

- **Project**: ETL pipeline implementation and IaC design for an advertisement firm.
- **Achievements**:
  - Redesigned cloud architecture, CI, and IaC pipelines with a 5-layer system decomposition using Terraform.
  - Developed custom Python ETL pipelines for Google Cloud Composer (Apache Airflow), migrating from Airflow 1 to Airflow 2.
  - Provisioned Dataflow, DataCatalog, BigQuery, and Cloud Functions for the data stack.
- **Tech Stack**: Python, Terraform/HCL2, Bash, GCP (Cloud Composer, Dataflow, DataCatalog, BigQuery, Cloud Functions, Cloud Storage, Cloud Build, IAM).

### DevOps Consultant

**American Robotics Corp** | _February 2021 – August 2021 (7 mos)_ | Remote

- **Project**: Comprehensive DevOps transformation.
- **Achievements**:
  - Provisioned AWS infrastructure using Terraform and Terragrunt (EKS, Elastic Beanstalk, Lambda).
  - Implemented Jenkins and GitLab CI pipelines alongside ArgoCD for Kubernetes deployments.

### DevOps Technical Lead

**American Broadcaster / Media Company** | _February 2020 – February 2021 (1 yr 1 mo)_ | Remote

- **Project**: Next Gen TV Platform architecture and IAM organization.
- **Achievements**:
  - Designed a hybrid cloud architecture deploying GCP GKE and AWS EKS.
  - Configured Confluent Kafka Connections through VPC peering, Redis, and Apigee API Gateway.
  - Implemented Azure DevOps CI/CD pipelines and Splunk Dashboards with Alerts.

### Lead Infrastructure Engineer

**SDLC Accelerator & Smart City Platform** | _August 2019 – January 2020 (6 mos)_ | Remote

- **Project**: Bare-Metal SDLC and Kyiv Smart City infrastructure setup.
- **Achievements**:
  - Built a Bare-Metal/Public Cloud Hybrid SDLC accelerator platform with Kubernetes/K3S and ArgoCD.
  - Designed and implemented the cloud infrastructure for Kyiv's Intelligent Traffic Management System (Green Wave) using GKE and Cloud Functions.

### Lector / Training Lead

**DevOps Training Lead & Mentor** | _September 2017 – May 2019 (1 yr 9 mos)_ | Poland / Ukraine

- **Project**: Directed Resource Development Centers in Poland and Ukraine.
- **Achievements**:
  - Wrote syllabus and coached trainee systems engineers in Linux, networking, python, and cloud architecture.
  - Mentored trainee engineers, achieving a 5/5 score for lectures on DevOps and IaC.

### Senior DevOps / Systems Engineer

**US On-Site Cloud Consulting** | _April 2018 – December 2018 (9 mos)_ | California / Connecticut, USA

- **Project**: Delivered on-site CI/CD solutions for massive enterprise clients.
- **Achievements**:
  - Developed advanced CI/CD solutions in Connecticut for a major American Investment Management firm.
  - Maintained multi-node Hybris and Apache e-commerce clusters in California.

### Lead Infrastructure Engineer

**American Multi-Level Marketing Company** | _February 2017 – September 2017 (8 mos)_ | Ukraine

- **Project**: E-commerce platform and sub-services development.
- **Achievements**:
  - Drove migration to Kubernetes, architecting Helm charts and Ansible roles for a massive e-commerce deployment.

### Senior DevOps Engineer

**Worldwide Express Logistic Company** | _November 2016 – February 2017 (4 mos)_ | Ukraine

- **Project**: Developing front-end solution to replace about 13 legacy systems.
- **Achievements**:
  - Engineered continuous delivery pipelines and optimized infrastructure for the new unified front-end solution.

### Senior DevOps Engineer

**Major Retail Brand** | _September 2015 – April 2016 (8 mos)_ | Ukraine

- **Project**: Rolling out an E-commerce platform.
- **Achievements**:
  - Responsible for architecture design, developing, testing, and full system engineering efforts for the global rollout.

## Education

- **Master of Science (M.S.) in Computer Science**
  National Technical University of Ukraine "Kyiv Polytechnic Institute" (IASA)
  _Specialization_: Computer Systems Engineering
  _Diploma Project_: Web service for virtualized desktops and applications
- **Bachelor of Science (B.S.) in Computer Science**
  National Technical University of Ukraine "Kyiv Polytechnic Institute" (IASA)
  _Diploma Project_: Analysis of modern operating system virtualization technologies