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VALERII STEPANETS
Khmelnytskyi, Ukraine | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) |
github.com/zsvs

Summary
Senior DevOps / Cloud Solutions Architect and SRE with 12+ years across on‑prem and AWS. Expert in
Kubernetes (EKS), Terraform/Terragrunt, Helm/ArgoCD, and CI/CD (GitHub Actions, Jenkins). Architected
and operated high‑availability blockchain infrastructure (validators, indexers, data pipelines) with strong
observability (Prometheus, Grafana, Datadog) and cost‑efficiency. Known for automation, rigorous
reliability practices, and cross‑team enablement.

Experience
Senior Deployment (DevOps) Engineer | Ledger – Paris, FR / Remote | Feb 2023 – Present

●​ Develop and maintain the deployment system for large‑scale blockchain infrastructure (validators, nodes,
indexers).
●​ Adopt GitOps with Terraform/Terragrunt, Helm, and ArgoCD for consistent, auditable change
management.
●​ Design AWS architectures using EC2, EKS, ECS, RDS, DynamoDB, S3, SQS, Amazon MQ, VPC, and Lambda.
●​ Build CI/CD with GitHub Actions and Jenkins; author reusable Actions using Octokit and shared workflows.
●​ Establish observability with Prometheus, Grafana, and Datadog; improve SLOs and failure‑mode coverage.
●​ Created a Helm library chart to standardize blockchain node/validator deployments across environments.
●​ Delivered zero‑downtime releases and near‑zero‑downtime approaches for RDS instance‑type migrations.

Security Systems Engineer | EPAM Systems – Kyiv, UA | Sep 2021 – Feb 2023

●​ Built and operated ELK on Ubuntu/RHEL; integrated with Prometheus/Grafana for end‑to‑end visibility.
●​ Practiced GitOps; delivered IaC with Terraform/Terragrunt across multiple AWS accounts and regions.
●​ Developed tooling in Python, Bash, PowerShell, Node.js, and TypeScript.
●​ Managed AWS services (EC2, EKS/ECS, RDS, DynamoDB, VPC, Lambda, S3); packaged apps via
Helm/ArgoCD.
●​ Built CI/CD in GitHub Actions and Jenkins; mentored development teams and early adopters.
●​ Implemented custom GitHub Actions using Octokit; created reusable workflow templates.

System Administrator | Kernel – Khmelnytskyi, UA | May 2019 – Sep 2021

●​ Administered Windows Server 2016/2019 (AD, DNS, DHCP, GPO) and VMware ESXi/Hyper‑V.
●​ Automated MikroTik RouterOS configuration with Ansible; scripted in Python and PowerShell.
●​ Implemented Grafana/Loki‑based telemetry; began adopting AWS for infrastructure services.

System Administrator | Inter Cars Ukraine – Kyiv, UA | Apr 2013 – Sep 2018

●​ Managed Active Directory and MS Dynamics NAV; administered Windows Server 2012/2016
(DNS/DHCP/GPO).
●​ Maintained virtualization (Hyper‑V, VMware ESXi) and automated with PowerShell/SCCM.
●​ Configured OpenVPN; supported SIP (Asterisk) services.
 Key Achievements
●​ Reduced deployment times from hours to minutes through standardized CI/CD and GitOps automation.
●​ Standardized blockchain deployments via a Helm library chart, enabling safer and faster rollouts.
●​ Created an AWS resource proactive patching strategy that allows the infrastructure team to patch AWS
RDS, MQ and ElastiCache in an auto and semi-auto way by leveraging AI and CI/CD pipelines.
●​ Designed a custom Kubernetes Operator that allows the developer team to run product-specific
operations by leveraging GitOps approach and speed up the version release process from 3 hours to 15
minutes.
●​ Delivered zero‑downtime product releases and near‑zero‑downtime RDS instance‑type migrations with
cost control.

Projects
MCP Server Suite (Model Context Protocol) – Internal Tools

Designed and implemented an MCP server/tooling stack that exposes operational automations to
LLM‑powered agents. Includes RDS metrics retrieval, account discovery, and deployment utilities;
integrated with Ollama/OpenWebUI; packaged as Docker images with GitHub Actions; deployed to
Kubernetes with Helm/ArgoCD; instrumented with Prometheus/Grafana.

Tech: Go, Python, AWS SDK, Docker, Kubernetes, Helm, ArgoCD, GitHub Actions​

LAPyS

Python client for retrieving local administrator passwords on domain computers.

Links: https://github.com/zsvs/LAPyS.git

Tech: Python​

Mask Crypto

Crypto‑trading bot and media portal.

Links: https://github.com/MaskCryptoProject

Tech: Python, Docker, CI/CD​

ITEA DevOps Course Projects

Coursework covering AWS, Jenkins, Docker, Ansible, Kubernetes, GitHub Actions/GitLab CI.

Links: https://github.com/zsvs/ITEA_Stepanets.git, https://github.com/zsvs/ITEA_Advanced_final

Tech: AWS, Docker, Kubernetes, Ansible, CI/CD​
 Skills
Cloud & Platforms: AWS (EC2, EKS, ECS, ECR, RDS, DynamoDB, VPC, Lambda, S3, SQS, Amazon MQ), Azure
(familiar), Kubernetes, Docker

IaC & Automation: Terraform, Terragrunt, Ansible, Helm, ArgoCD, GitOps

CI/CD: GitHub Actions, Jenkins, GitLab CI (familiar)

Observability: Prometheus, Grafana, Datadog, ELK

Networking & Security: NGINX, OpenVPN, MikroTik RouterOS, AD/DNS/DHCP/GPO

Languages: Python, Go (advanced), PowerShell, Bash, Node.js/TypeScript

Tools: Git, GitHub, SCCM, VMware ESXi, Hyper‑V

Education
Lviv Polytechnic National University, Lviv, Ukraine

B.Sc. in Computer Engineering | Sep 2014 – Jul 2017

Khmelnytskyi Polytechnic College, Khmelnytskyi, Ukraine

Secondary Special Education – Maintenance of Computer Systems and Networks | Sep 2010 – Jun 2014

Certifications
AWS Certified Solutions Architect – Associate (SAA‑C03) – ACTIVE — AWS / Credly
(https://www.credly.com/badges/76b0a5c2-a401-4538-a105-24ded0ddf005/public_url)

IT Education Academy – DevOps Base — ITEA

Udemy – Terraform from Zero to Certified Professional — Udemy

Udemy – Ultimate AWS Certified Solutions Architect Associate — Udemy

Udemy – Ultimate AWS Certified Developer Associate — Udemy

Udemy – Docker & Docker Compose – Deploy from Scratch — Udemy

Udemy – Kubernetes from Scratch for DevOps Engineers — Udemy

RotoroCloud – Certified Kubernetes Administrator (CKA) prep — RotoroCloud

Languages
Ukrainian (native), Russian (native), English (B2)