Windows Systems Administrator

Gamigo Philippines, Inc. — Cebu City, Philippines

Monitoring & Alerting

• Owned the Prometheus, Grafana, and Alertmanager stack end-to-end, onboarding new servers for metrics collection and deploying Node Exporter across client servers for consistent visibility.
• Built Grafana dashboards to monitor Windows and Linux server performance across the environment, giving the team a single view of infrastructure health.
• Designed Alertmanager rules targeting core game services (game server, lobby, database) running as Windows services, notifying the team in Microsoft Teams the moment a service goes down.

Containerization & Centralized Logging

• Deployed and maintained internal tools as Docker / Docker Compose services, including Graylog, Semaphore, and Google Workspace-related containers, standardizing how the team spins up supporting infrastructure.
• Rolled out Graylog for centralized log aggregation across game servers, enabling the team to investigate issues without needing direct server access — critical for a live-service gaming environment.

Automation & Patching

• Automated patching and package updates across Linux and Windows servers using Ansible.
• Stood up and managed AWX on k3s to run Ansible automation at scale across multiple servers.
• Authored Ansible playbooks to standardize software deployments and system configuration.

Identity & SSO

• Configured SAML/SSO integrations for enterprise applications to enable single sign-on.
• Managed Entra ID (Azure AD) for app registrations, user groups, and device synchronization.
• Administered on-prem AD and ADManager for user onboarding and account lifecycle management.

Web Infrastructure, SSL & Networking

• Provisioned domains in GCP and pointed them to internal servers requiring HTTPS.
• Configured and troubleshot NGINX, including reverse proxy configurations to expose internal tools like the Prometheus web UI, and deployed SSL certificates to secure server connections.
• Managed FortiGate as the organization's primary firewall — building policies and VLANs, and configuring rules scoped to specific services, ports, and destinations to keep traffic tightly controlled.
• Monitored DHCP reservations and reviewed real-time network logs to support day-to-day network operations.

Virtualization, Storage & Endpoint Management

• Managed VM resources in Proxmox, including provisioning new VMs and adjusting RAM and disk allocations to meet workload needs.
• Set up and configured storage and FTP servers backed by MySQL for database management.
• Administered M365 and used Intune for device compliance and Autopilot deployment.
• Administered Jira as the organization's primary ticketing system, managing spaces, projects, users, and group configurations.

Cloud Support Engineer

Medspecialized, Inc. — Cebu City, Philippines

• Deployed Windows Server instances on AWS EC2 and configured Elastic IPs, security groups, and VPC settings.
• Managed VPC peering and subnets, integrating cloud servers with on-premise domain controllers.
• Monitored cloud resource health and system performance using CloudWatch.
• Configured Remote Desktop Services (RDS) and managed RD licensing and IIS security configurations.
• Deployed SSL certificates and administered FTP servers using Bitvise and FileZilla to support data migration.
• Managed Active Directory users, groups, and permissions, including implementing Group Policy Objects (GPOs).
• Developed and maintained PowerShell scripts to automate repetitive system administration tasks.

Technical Consultant

Azpired, Inc. — Cebu City, Philippines

• Installed, configured, and tested software across server and workstation environments.
• Trained end-users on software use and technical best practices.
• Diagnosed and resolved technical issues for customers via remote and onsite support.
• Configured and troubleshot Windows Server environments, and provided basic SQL database support.