System Administration
Selected work demonstrating this service.
- Designed, deployed, and maintained 10 PostgreSQL and MS SQL servers on Ubuntu Linux VPS, ensuring optimal server performance and reliability.
- Enhanced data security by implementing 1 000 RBAC rules for developers, application instances, PostgreSQL, MS SQL, and other Linux servers, preventing unauthorized access; documented with Ansible automation.
- Managed 30 Ubuntu Linux VPS instances, implementing disaster recovery strategies and ensuring optimal network configurations.
- Prevented security breaches by leading access management initiatives, utilizing M365, 1Password, Red Hat SSO, and OKTA SSO.
- Managed and troubleshooted 8 WireGuard VPN and IPSEC VPN connections, ensuring secure communication across Google Cloud and Linux systems.
- Administered network infrastructure for over 1,000 servers, ensuring optimal system deployment, security, and troubleshooting.
- Configured and deployed 1,000 Wi‑Fi routers, improving network accessibility and performance for clients.
- Administered 100 Bare Bone servers, physical networks, and IP telephony systems, ensuring robust infrastructure for company growth.
- Administered 40 websites on Ubuntu Linux hosting servers with Apache and Nginx, ensuring high availability and performance.
- Provided round‑the‑clock 24/7 infrastructure support for an IPTV/OTT streaming platform, administering ~1,000 servers plus client‑owned systems for global customers in China, the US and Germany.
- Ensured uninterrupted delivery of IPTV streaming signals between suppliers and clients, monitoring and maintaining the streaming network and IP telephony around the clock.
- Planned and implemented new infrastructure functionality for internal and external systems, building solutions durable enough to still run years later with minimal change.
- As one of the first hires, designed and built the entire core infrastructure and supporting processes from scratch for a green‑energy SaaS startup, laying the foundation for rapid growth.
- Integrated a company‑wide password‑management system, strengthening security and streamlining access control.