THIAGO LAZZAROTTO

Senior SRE & Technical Director

Personal information

Relocating to Luxembourg EU Blue Card Eligible
Brazilian (Passport Holder)
Salary Expectation: €120K+ (Negotiable)
Immediate Availability

Professional Resume

Principal Site Reliability Engineer (SRE) & Engineering Manager with 25+ years of hands-on experience designing and operating mission-critical data infrastructure. Deeply specialized in Cloud Architecture (Oracle Cloud/AWS), Kubernetes & Docker, Database Reliability Engineering (DBRE), and architecting stateful systems using Oracle, PostgreSQL, MongoDB, and ClickHouse. I build Observability-Driven cultures utilizing Zabbix, Prometheus, and Grafana, drive CI/CD excellence using Jenkins, DroneCI, and ArgoCD, and automate remediation with Ansible and Scripting. I lead and mentor high-performance engineering teams to solve complex scalability challenges, driving FinOps efficiency, robust security (WAF/IAM), and operational excellence through automation. Proven track record of maintaining 99.95% availability, achieving 30% TCO reduction through FinOps practices, and mentoring over 500 professionals in the database ecosystem.

Work Experience

10/2021 – CURRENT
Head of SRE & Cloud Engineering
Creare Sistemas

Technical lead for cloud operations serving 100+ business clients with approximately 40,000 vehicles monitored 24x7. Engineered high-availability architectures and automated remediation workflows.

  • Data Reliability Engineering: Architected and executed the Datalake migration from PostgreSQL to ClickHouse, optimizing query performance by 100x and reducing storage footprint by 40%.
  • Security Engineering: Designed and deployed a WAF solution, hardening API endpoints against DDoS and OWASP Top 10 threats.
  • Observability Stack: Built a comprehensive monitoring ecosystem (Zabbix/Grafana) for 200+ hosts, automating alert correlation and reducing incident response time (MTTR) to less than 20 min on average.
  • FinOps & Automation: Developed automated resource scheduling scripts (IaC), cutting cloud waste and reducing overall spend by 10% YoY.
  • Compliance Implementation: Engineered the IAM layer using KeyCloak to enforce MFA and strict access controls aligned with GDPR/LGPD.
10/2020 – 10/2021
SRE Manager
BEG Support

Technical leadership of a team serving 300+ clients across various sectors such as retail, healthcare, and industry.

  • Platform Engineering: Mentored technical teams on containerization adoption and Database performance tuning.
  • Infrastructure Optimization: Led the virtualization consolidation project, identifying inefficiencies and re-architecting hosts to reduce Windows licensing costs by 60%.
  • Tooling: Enhanced internal ticket and observability systems integrations to streamline support workflows.
03/2019 – 10/2020
Senior Cloud Architect & DevOps Engineer
Creare Sistemas
  • Cloud Migration (OCI): Architected the complete "Lift and Shift" and modernization strategy to Oracle Cloud Infrastructure (OCI), achieving 30% OPEX reduction. Read the case study.
  • CI/CD Implementation: Built the first Jenkins pipeline templates and migrated source code control to GitHub, introducing git-flow standards.
  • Containerization: Pioneered the use of Docker containers for application isolation and portability in production.
02/2017 – 03/2019
Lead Systems Engineer
2Cloud Tecnologia
  • Operations Management: Managed 24/7 technical operations for 120+ B2B clients, enforcing strict SLAs.
  • Network Engineering: Executed 10GbE network core upgrades and managed 200TB+ storage migrations with minimal downtime.
  • Monitoring: Rebuilt the legacy monitoring ecosystem to provide granular metrics visibility.
05/2015 – 02/2017
Senior Database Specialist
Brastorage / ThinkIT

Acted as Technical Lead for cloud infrastructure administration for companies like SevenBoys / Wickbold (one of the country's largest bread manufacturers) and Unimed (one of the largest health insurance networks in Brazil).

  • Critical Migrations: Technical lead for a major datacenter migration (STEMAC S/A), ensuring data integrity and near-zero business impact.
  • Oracle RAC Administration: Managed complex multi-datacenter Oracle RAC clusters serving 20,000+ users in the mission-critical Healthcare sector.
10/2002 – 05/2015
IT Infrastructure Engineer
Stemac S/A Generator Sets
  • SAP ECC Implementation Leadership: Led technical build of SAP environments, managing infrastructure, deployment, and legacy data migration.
  • Oracle Cluster Migration: Executed the migration of Oracle databases to a high-availability Cluster environment.
  • Converged Infrastructure (Nutanix): Pioneered the implementation of converged infrastructure with Nutanix.
  • Enterprise Data Protection: Deployed robust backup systems using IBM Tivoli TSM and Enterprise Tape Libraries.
  • Strategic Cost Optimization (Oracle/IBM): Migrated databases to IBM Power Unix, optimizing efficiency to save on Oracle Enterprise licensing.

Education and training

2024
MBA in Leadership & Management
PUC-RS
2016
Bachelor in IT Management
UNISUL University

Technical Skills

SRE & DevOps Kubernetes (K8s) Terraform (IaC) Docker CI/CD (Jenkins/GitHub Actions) Ansible Linux Expert
Databases PostgreSQL Internals Oracle RAC ClickHouse NoSQL
Observability Zabbix Expert Prometheus Grafana ELK Stack
Cloud & Strategy Oracle Cloud (OCI) AWS FinOps Tech Governance
Platform Engineering GitOps Service Mesh SLO/SLI Engineering Multi-Cloud Zero-Trust Security
Languages
Language
Level
Portuguese
Native
English
C1 - Proficient
Spanish
B2 - Independent
Italian
A1 - Basic
French
A1 - Basic (Currently Studying)
Leadership Competencies
Technical Leadership Mentoring Problem Solving Incident Management Strategic Vision Team Empowerment Result Oriented Proactivity Adaptability
Certifications
  • Oracle OCI & Autonomous Database Architect (Professional/Associate)
  • SAP Basis (Academy) & Certified
  • Oracle 10g Admin I & II
  • ITIL Foundation
  • VMware VSP & VTSP