Тарас

Taras Profile
Litovaltsev IT Support / Technical Solutions Engineer with 5+ years of experience resolving complex
IT SUPPORT ENGINEER incidents across application, database, and network layers in Cloud and On-Premises
TECHNICAL SOLUTIONS ENGINEER environments. Proven track record in Root Cause Analysis (RCA), performance troubleshooting,
and proactive monitoring. Hands-on with Kubernetes, AWS, Azure, Grafana, Coralogix, and ELK.
CONTACT
HashiCorp Terraform Associate certified. Actively building DevOps skills through pet projects:
■ Kyiv, Ukraine
GitOps pipelines, Flux CD, Helm, Terraform, and AI agent automation with Claude API and
■ [відкрити контакти](див. вище в блоці «контактна інформація»)
Google AI.
✉ [відкрити контакти](див. вище в блоці «контактна інформація»)
■ [відкрити контакти](див. вище в блоці «контактна інформація»)
Employment History
■ github.com/TarasLeto
Technical Solutions Engineer — Sisense
SKILLS
APRIL 2022 – NOVEMBER 2025
• Linux
L2/L3 support for Sisense Data Platform clients (Cloud & On-Prem), owning the full incident lifecycle
• Windows Server
• AWS from triage through RCA to resolution.
• Azure • Investigated performance, application, database, and network incidents using structured RCA
• GCP methodology.
• Kubernetes • Monitored production with Grafana, Coralogix, and Zabbix; defined alert thresholds and escalation
• Docker
paths.
• Terraform
• Argo CD
• Performed Kubernetes operations — pod restarts, log inspection, resource scaling — to restore
• Flux CD service stability.
• Git / GitHub Actions • Managed and queried MySQL and MongoDB to validate data consistency and diagnose data-layer
• Helm issues.
• Vault • Troubleshot RabbitMQ queues and consumer bottlenecks affecting data pipeline throughput.
• Gitleaks
• Tracked incidents in Jira; collaborated with R&D and DevOps teams to fast-track bug fixes.
• MySQL
• MongoDB
Stack: Kubernetes, Grafana, Coralogix, Zabbix, Linux, MySQL, MongoDB, RabbitMQ, Jira
• RabbitMQ
• Grafana Application Support L2 — Epam / Evri
• Coralogix JULY 2021 – APRIL 2022
• Zabbix L2 support for Evri's logistics platform — system observability, batch SQL operations, and data integrity.
• ELK / Kibana
• Monitored cloud infrastructure and investigated alerts via AWS CloudWatch and Kibana (ELK).
• CloudWatch
• Jira • Executed batch SQL operations against MySQL for data validation and reporting pipelines.
• Hyper-V / vSphere • Diagnosed RabbitMQ queue issues impacting order-processing workflows.
• Networking • Analysed logs to identify root causes and recommend preventive measures.
• Azure Monitor Stack: AWS, CloudWatch, Kibana / ELK, MySQL, RabbitMQ, Linux
CERTIFICATIONS
Technical Engineer — Ciklum / Zerto
• HashiCorp Terraform Associate
JANUARY 2020 – APRIL 2021
• Argo CD — Udemy
• Vault — Udemy Customer-facing technical support for Zerto's disaster recovery platform across Azure and AWS hybrid
• GCP Associate (in progress) environments.
• Conducted RCA for performance, application, database, and network incidents for enterprise
EDUCATION
clients.
Master in Computer Science
• Supported Azure deployments: Azure Blob Storage, Azure Monitor alert management.
National Aviation University
• Administered AWS EC2 instances and virtualisation environments (Hyper-V, vSphere).
2014 – 2020
• Managed Windows Server and Linux hosts; OS-level diagnostics and configuration.
INTERESTS Stack: Azure, Azure Blob, Azure Monitor, AWS EC2, Hyper-V, vSphere, Windows Server, Linux
Actively developing DevOps skills:
• CI/CD pipeline design
• GitOps with Flux CD
Pet Projects
• IaC with Terraform
• Container orchestration
GitOps Telegram Bot — kbot & flux-gitops
• AI agents & automation github.com/TarasLeto/kbot • github.com/TarasLeto/flux-gitops
(Claude API, Google AI) Full GitOps pipeline: Telegram bot in Go → Docker → Helm → Kubernetes via Flux CD, with
infrastructure as code using Terraform.
• Wrote a multi-command Telegram bot in Go; packaged with multi-stage Dockerfile (final image ~8
MB).
• Built GitHub Actions CI/CD: go test → docker build/push to ghcr.io → helm package/push as OCI
artifact.
• Deployed to k3d and GKE using Flux CD HelmRepository + HelmRelease with automated upgrades
on new tags.
• Provisioned cluster and GitHub repo with Terraform modules; managed SSH deploy keys as code.
Stack: Go, Docker, Helm, Flux CD, GitHub Actions, Terraform, Kubernetes (k3d / GKE)
DevSecOps Pre-commit Hook — gitleaks-pre-commit-hook
github.com/TarasLeto/gitleaks-pre-commit-hook
• Integrated Gitleaks scanner as a git pre-commit hook to block commits containing secrets or API
keys.
• Applied DevSecOps shift-left principle — secrets are caught before reaching the repository.
• Configured custom detection rules and SKIP bypass for CI pipelines.
Stack: Gitleaks, Git hooks, Shell, DevSecOps

AI Automation & Agent Experiments
Claude API (Anthropic) • Google AI • Python
• Built conversational agents using Claude API to automate IT support workflows and knowledge
queries.
• Experimented with Google AI tools for task automation and intelligent data processing.
• Explored prompt engineering and agent orchestration patterns for practical DevOps use cases.
Stack: Claude API, Google AI, Python, REST APIs