Luiz Nunes

Founder & DevOps Architect

• –Designed full AWS cloud infrastructure from scratch: networking (VPC, IGW, EIP), compute (ECS, EC2), storage (S3, ECR) and IAM policies
• –GitOps control plane with ArgoCD; Kubernetes deployments via Kustomize overlays and Helm charts
• –GitSecOps pipelines (GitHub Actions, Jenkins) with container security scanning and automated rollback via Velero
• –Full observability stack: Prometheus, Grafana, Loki; PostgreSQL with RBAC and automated backup routines
• –Integrated LLMs into the development workflow — advanced prompt engineering, prompt caching, agent auto-research

Cloud Infrastructure Engineer

• –Migrated legacy RHEL 7 servers to RHEL 8 in a regulated banking environment — CI/CD pipeline updates, script modernisation and permissions management via automation tools
• –Docker image compliance and deployment lifecycle management on OpenShift
• –Cross-functional technical documentation within a globally distributed team

Cloud & DevOps Engineer

• –AWS (EC2, VPC, RDS, EKS) and GCP for an enterprise-scale sensitive data tokenisation platform serving Bell Canada
• –IaC with Terraform and Ansible; Helm chart deployments, Vault secrets management, RBAC and end-to-end PKI/TLS certificate lifecycle
• –GitOps with ArgoCD; GitLab GitSecOps pipelines; Prometheus, Grafana, Loki, Elasticsearch and HAProxy
• –Neo4j, Kafka, PostgreSQL and Oracle administration; IAM Access Analyzer for least-privilege enforcement
• –Incident response and postmortems; root cause analysis and corrective actions for mission-critical services

Middleware & Application Support

• –Concurrent support across 6 Bell Canada projects: billing portal, application monitoring, identity migration, order management and legacy messaging
• –WebLogic, JBoss, Tomcat, Apache, IBM MQ across RHEL, Solaris and Windows Server; MySQL, PostgreSQL, Oracle, MSSQL
• –IBM MQ Series implementation from scratch including queue and channel definition; GitLab and Jenkins CI/CD; OpenSSL/PKI
• –Docker on the CCE billing portal; WebLogic on AWS EC2 for OBM

DevOps & Linux Systems Engineer

• –Built and maintained Azure DevOps CI/CD pipelines for a microservices architecture
• –Sole Linux administrator for the critical inventory management server supplying hundreds of franchises across Canada and the US — a system with no available internal expertise

Software Deployment Engineer

• –Provisioned AWS environments for a multi-vendor global telecom monitoring solution delivered as a turnkey cluster to enterprise clients
• –Docker container configuration, inter-component validation and client handover; Bash automation to standardise the delivery pipeline

ICT Consultant — Workflow Automation

• –Sole administrator of CA AutoSys running several thousand Bash-based production jobs for a Quebec government department — 6-year engagement
• –Led major version upgrade of CA AutoSys to v13 independently; introduced graphical interface services for the first time
• –Managed Axway Transfer CFT for encrypted inter-institutional data flows between government agencies and financial institutions
• –Activated the Disaster Recovery Plan after a production datacenter incident: full reinstallation, Veritas NetBackup restoration and integrity validation

ICT Consultant — Unix Specialist

• –Veritas NetBackup deployments for enterprise clients; Sun Ray thin client infrastructure in healthcare environments
• –OpenVPN implementation replacing unsecured remote access; datacenter disaster recovery with zero permanent data loss

ICT Consultant — Unix Specialist

• –Embedded in the UNIX support team at Petrobras HQ — the largest datacenter in Brazil — Tier-1/2 support for Sun Fire 6800, Sun Fire 10000 and IBM Regatta
• –SunCluster HA environments running Oracle RAC; Veritas NetBackup with StorageTek PowerHorn 9310 tape silo for Petrobras's research division (hundreds of servers)
• –SunCluster deployments for government agencies, telecom operators and banks across Brazil

System Administrator

• –Novell NetWare administration; automated software distribution via ZenWorks across all Brazilian branch offices
• –Led in-place upgrade of NetWare 4.11 → 5.0 across all Brazilian servers with pre-upgrade testing and rollback planning

ICT Consultant — Unix Specialist

• –Y2K OS upgrade projects (OSF/1 and Windows NT Alpha) for enterprise and government clients
• –Compaq TruCluster deployments with Tru64 Unix, external storage and robotic tape libraries