Alon J.
Senior Systems and Network Administrator
Open to offersNew to PlatformAbout
John C. A. is an accomplished IT Infrastructure Section Head with over 18 years of extensive experience in IT systems, networks, cybersecurity, and datacenter operations, currently based in Cebu, Philippines. As an IT Operations Leader, he has effectively supervised an IT team, managed enterprise environments with 50–100 servers, and supported over 500 users across five business locations. His notable achievements include spearheading the deployment of IT infrastructure for new company buildings at Taiheiyo Cement Philippines, Inc. He has developed expertise in Microsoft 365, Azure, and Active Directory, along with proficiency in cybersecurity frameworks such as ISO 27001 and system management using tools like VMware and Hyper-V. Holding a Bachelor of Science in Computer Science from Cebu Institute of Technology, John C. A. also possesses certifications such as CompTIA Advanced Security Practitioner and CompTIA Network+, underscoring his commitment to excellence in IT management and security.
Experience
Senior Systems and Network Administrator
Taiheiyo Cement Philippines, Inc. · 2022 — PresentLead IT operations and infrastructure support at the enterprise level, including management of servers, networks, security, and cloud services. Provide support for business-critical systems and SAP environments.Systems and Network Administrator
Taiheiyo Cement Philippines, Inc. · 2017 — 2022Oversaw the management of enterprise servers, network infrastructure, and IP Telephony/PABX systems across various business locations. Administered Microsoft 365, Active Directory, and virtualization platforms, while also supporting security and firewall systems.Junior Systems and Network Administrator
Taiheiyo Cement Philippines, Inc. · 2010 — 2017Provided assistance in server administration and network maintenance, supported Active Directory, DNS, DHCP, and endpoint devices, and managed troubleshooting along with IT support escalation.Technical Support
Taiheiyo Cement Philippines, Inc. · 2007 — 2010Delivered desktop and printer support, conducted hardware troubleshooting and maintenance, and assisted users with various IT issues.
Skills & Expertise
Education
- Bachelor of Science in Computer ScienceCebu Institute of Technology