Network Engineer Data Center
Resume:
Stan Tsai
Post-Graduate Certificate in Wireless Networking - George Brown College 2022
Post-Graduate Certificate in Cybersecurity - George Brown College 2021 Certification - Cisco CCNA, Linux – LPIC- 1
- CEH, CISSP (In Progress)
github.com/StanTsai
*********@*****.***
Las Vegas, NV
Objective
Detail-oriented Systems and Network Administrator with over twelve years of experience in core network engineering, specializing in telecommunication networks, including Starlink and OneWeb satellites, as well as 4G LTE, VoLTE, and WiMAX deployments. Recently enhanced expertise through post-graduate certificates in Wireless Networking and Cybersecurity from George Brown College. Proven ability to design redundant systems, reducing costs by 65% and maintaining 99.999% uptime. Seeking to leverage technical skills and project management experience in a dynamic IT environment. Work Experience
Network Engineer, Galaxy Broadband Communications, Toronto, Canada July 2022 – March 2025 Technologies: Starlink, OneWeb, Fortinet (FortiGate, FortiSwitch, FortiAP), Cisco, LTE, Data Center, Jira, Observium, Visio
● Deployed Starlink and OneWeb LEO satellite networks, delivering internet connectivity to Inuit communities in Northern Ontario.
● Managed Fortinet device licenses and coordinated RMA processes with Fortinet Cloud, ensuring uninterrupted service and efficient device replacements.
● Executed firmware upgrades on Fortinet devices, testing and monitoring post-upgrade performance to maintain network stability.
● Designed and implemented Calix GigaSpire solutions, providing Tier 3-4 troubleshooting for complex issues.
● Integrated Observium for network monitoring, achieving 99.999% uptime SLA through performance optimization.
● Delivered advanced technical support for AirFiber customers, resolving connectivity challenges.
● Created detailed network diagrams using Visio and maintained SOPs for network operations.
● Maintained data center infrastructure, installing and configuring routers, switches, and cabling while ensuring optimal inventory levels.
Core Network Engineer, Nokia, Taipei, Taiwan March 2014 – June 2017 Technologies: LTE, VoLTE, ONE-NDS, PCRF, F5 Load Balancer, Cisco Routers/Switches, RADIUS
● Designed and deployed One-NDS and PCRF systems, integrating two client networks and launching a VoLTE network within six months.
● Led a multi-year upgrade of Linux and Nokia servers (versions 6-9, 15), enhancing security, performance, and policies.
● Provided L2 support, maintaining 99.999% uptime through proactive monitoring and issue escalation.
● Conducted security assessments, recommending improvements for disaster recovery and Active Directory security.
● Achieved a 100% resolution rate for complex LTE/VoLTE network issues, producing detailed technical documentation.
Core Network Engineer, Integrity Engineering Corporation, Limited, Taipei, Taiwan June 2009 – March 2014 Technologies: WiMAX, RAS, ACR, Cisco Routers/Switches, Cisco ASA 5505 Firewalls
● Built core network and radio access infrastructure, enabling Taiwan’s WiMAX launch over three years.
● Managed 200+ base stations, optimizing 4G performance via RF tuning, drive tests, and 24/7 support.
● Established KPI standards and conducted statistical analyses for network optimization.
● Implemented a backup system and monitored firewall/intrusion logs, ensuring malware-free operations.
● Supported 50+ servers, overseeing backup/restore and disaster recovery processes. Skills
Technical Skills:
● Network Design & Implementation
● System Administration (Linux/Windows)
● Network Monitoring & Optimization (Observium, Splunk)
● Server Configuration & Virtualization (VMware, NFVI, VNF, CNF)
● Scripting & Automation (Python, PowerShell, Bash)
● Hardware/Firmware Upgrades
● SQL & Database Management
Cybersecurity Skills:
● Vulnerability Management & Penetration Testing (Nessus, Metasploit, BurpSuite)
● Digital Forensics & Incident Response (Kali Linux, BloodHound)
● Firewall & Intrusion Prevention (Cisco ASA, Fortinet)
● Compliance & Risk Assessment (ISO 27001, NIST SP 800)
● Disaster Recovery & Backup Planning
Cybersecurity Training & Certifications
Digital Forensic and Incident response:
● Conducted forensic investigations using network traffic and system log analysis to mitigate breaches.
● Applied ISO 27001 and NIST SP 800 standards to secure network and system operations. Ethical Hacking
● Completed 80+ machines on HackTheBox, TryHackMe, and VulnHub, enhancing penetration testing skills. Cisco Networking Academy:
● Earned Cybersecurity Essentials certification, focusing on network security fundamentals. Community Involvement:
● Volunteered at DefCon, BSides, and CTF events, strengthening cybersecurity expertise. Education
Post-Graduate Certificate - Cybersecurity
George Brown College, Toronto, Canada - 2022, GPA 3.90 Key Areas: Penetration Testing, Digital Forensics, SOC Operations, Enterprise Architecture Post-Graduate Certificate - Wireless Networking
George Brown College, Toronto, Canada - 2021, GPA 3.62 Key Areas: RF, 4G/5G, Wireless Security, IoT Technologies Shih Hsin University, Taipei, Taiwan - Degree in Communication Management 2007 Additional Work Experience
Owner Operator, AUTA International Trading Proprietary Ltd. June 2015 – September 2021
● Founded and managed an import business, distributing 3.6 tons of Australian cherries annually to Taiwan, generating NTD$2M in first-year revenue with a 30% profit margin. Languages Interests
English - Professional Marathon Running (Personal Best: 3:28:04) Chinese - Native Environmental Advocacy, Animal Welfare
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