Țîcău Tudor

Team Leader · DevOps Engineer · Zabbix Architect

Team Leader and DevOps Engineer with 10+ years of experience in designing, deploying, and managing cloud-native and on-premise infrastructure. Expertise in Kubernetes, OpenStack, CI/CD automation, and infrastructure monitoring. Passionate about high-availability architectures, automation, and continuous improvement.

☎ +373 671-0-44-33 ✉ tudorticau@gmail.com 🔗 LinkedIn 📍 Moldova

🧠 About Me

I focus on

  • Building scalable and observable infrastructures
  • Automating everything possible
  • Designing clean deployment patterns
  • Improving reliability and delivery speed

Core expertise

  • Kubernetes (EKS, K3s), Helm
  • OpenStack
  • CI/CD: GitLab, Jenkins, ArgoCD
  • IaC: Terraform, Ansible, Chef
  • Monitoring: Prometheus, Grafana, ELK, Zabbix

💼 Experience

DevOps Engineer
R Systems — eu.rsystems.com
2023 – Present

R Systems helps clients achieve speed-to-market, overcome digital barriers, and create business value.

  • Managed OpenStack and Kubernetes clusters with 99.9% uptime, improving service reliability across multiple client environments
  • Automated deployments with GitLab CI/CD, Jenkins, Ansible, and Terraform, reducing manual effort by 40% and accelerating release cycles
  • Implemented centralized monitoring with Prometheus, Grafana and ELK, cutting incident detection time by 35%
  • Designed and maintained Helm charts for microservices, standardizing deployments across 10+ teams
Head of IT Department
HalleyKM SRL — halleykm.md
2019 – 2023

HalleyKM is specialized in programming and monitoring IT services, branch of Halley SRL, Italy.

  • Linux administrator (RedHat, CentOS) / Windows / network / load balancer (HAProxy) and database administrator (MySQL, MariaDB)
  • Zabbix architect — creation and implementation of monitoring solutions
  • Developed disaster recovery plans and backup strategies for critical infrastructure
  • Developed and automated infrastructure provisioning using Terraform and Ansible

🛠 Technical Skills

CategoryTools & Technologies
ContainerDocker, Podman, CRI-O
OrchestrationKubernetes, Helm, K3s
Cloud InfraOpenStack, On-prem Kubernetes, AWS (EC2, S3, IAM)
CI/CDJenkins, GitLab CI/CD, ArgoCD
IaCTerraform, Ansible, Chef
MonitoringPrometheus, ELK/Loki, Zabbix, Icinga2, Grafana
DatabasesMySQL, MongoDB, Cassandra, PostgreSQL
ScriptingBash, YAML
APIPostman, SoapUI
Message BrokersKafka, MQTT

Key Strength Areas

Containerization Kubernetes Helm Charts OpenStack CI/CD Pipelines Infrastructure as Code Monitoring & Observability Automation Reliability Engineering Incident Reduction

🎓 Education

2022

Master's Degree — Information Technology in Training

Cahul, Moldova

2022

Master's Degree — Institutional Communication

Galați, Romania

📜 Certifications & Courses

2018

Zabbix Certified Professional

Credential ID: CS-1808-25

2019

RHCSA Course

Red Hat Certified System Administrator preparation

Online Courses (Udemy) — 28 completed

Mastering OpenStack Administration - Hands-On Lab ↗
Jan 2026 Apache Kafka Series - Kafka Cluster Setup & Administration ↗
Jul 2025 Starting With K3S (Lightweight Kubernetes) and MicroOS ↗
Feb 2025 Ultimate AWS Certified Cloud Practitioner CLF-C02 ↗
Jan 2025 AWS - From Zero to Professional (Amazon Web Services) ↗
Oct 2024 Docker and Kubernetes: The Complete Guide ↗
Jan 2024 DevOps: Jenkins Pipeline As Code - A to Z ↗
Sep 2023 OpenShift for the Absolute Beginners - Hands-on ↗
Aug 2023 Bash Mastery: The Complete Guide to Bash Shell Scripting ↗
Jul 2023 Chef for the Absolute Beginners - DevOps ↗
Jul 2023 GitLab CI CD Hands On - Build your own 50 Gitlab Pipelines ↗
Jul 2023 Docker for the Absolute Beginner - Hands On - DevOps ↗
Jul 2023 Bash Scripting and Shell Programming (Linux Command Line) ↗
Jun 2023 GitLab CI: Pipelines, CI/CD and DevOps for Beginners ↗
Jun 2023 Communication Fundamentals: How To Communicate Better ↗
Apr 2023 Elasticsearch 8 and the Elastic Stack: In Depth and Hands On ↗
Apr 2023 Data Visualization with Kibana ↗
Mar 2023 Data Processing with Logstash (and Filebeat) ↗
Mar 2023 Complete Guide to Elasticsearch ↗
Mar 2023 Certified Kubernetes Application Developer 2023 ↗
Mar 2023 Preparing to Certified OpenStack Administrator (COA) Exam ↗
Mar 2023 HELM - Package Manager for Kubernetes Complete Master Course ↗
Mar 2023 Git Complete: The definitive, step-by-step guide to Git ↗
Mar 2023 Ansible for the Absolute Beginner - Hands-On - DevOps ↗
Feb 2023 Docker & Kubernetes: The Practical Guide [2023 Edition] ↗
Feb 2023 Linux Shell Scripting: A Project-Based Approach to Learning ↗
Feb 2023 Linux Mastery: Master the Linux Command Line ↗
Feb 2023 Learn Linux in 5 Days and Level Up Your Career ↗
Feb 2023

🌐 Languages & Soft Skills

Romanian
Native
English
Proficient
Russian
Proficient
Italian
Basic
Forward Thinking Leadership Teamwork Problem Solving Adaptability Communicative Open-minded Keen Learner Collaborative