Mark Justin Busa Email & Phone Number

Calabarzon, Philippines

Philippines

• Deploy and inspect IT operational network requirements under Change Management Process.• Monitor the performance and capacity of network devices.• Monitor the overall status and performance of infrastructure WAN and LAN connectivity.• Serve as Liaison between IT, clients, and network vendors.• Responding to network incidents and network-related service requests in accordance with SLA.• Diagnose and Troubleshoot network related errors• Track and document network issues and provide periodic reports.• Manage system backups and make sure they are up to date.• Handle projects that lead to the continuous improvement of IT network infrastructure and processes.

Philippines

• Provide life cycle support for changes to already managed devices and act as Level 4 Point of escalation to our clients.• Perform design and engineering: routing, switching LAN and WAN implementations, Collaborate PIP/MPLS, Internet, broadband circuit activations with internal teams and external service providers, network integration, low-level diagrams to define and illustrate network physical and logical topologies.• Prepare network engineering work orders, develop implementation records of change with detailed instructions on device configuration, network, routing, and management requirements including the rollback plans to ensure successful implementation. • Conduct peer-reviews and maintain proactive lifecycle engineering activities such as technology assessment, hardware refresh, IOS upgrades, and vulnerability.• Works hand in hand with Global Lead Network Engineers/Architects to addresscustomers’ network requirements.• Act as POC on one of our clients to oversee BAU activities and ensure all activities are• covered and orders are managed.• Responsible for site documentation from pre- to post-implementation procedures.• Assist in troubleshooting escalated network issues, research, evaluate and recommend new technologies.

Ncr - National Capital Region, Philippines

• Monitored network capacity and performance, as well as diagnosed and resolved complex network problems.• Configuring and Managing Firewall (WatchGuard).• Monitored networks, bandwidth, and kept all systems operating smoothly.• Troubleshooting routine problems and maintenance of servers and computers.• Create and Manage Domain Server (Windows Server 2012).• Took over the responsibilities of administrators during the absence and filled in gaps around the office.• Troubleshoot and resolve issues via a ticketing system (iTop).• Held responsibility for assembling, installing, configuring, testing, troubleshooting, and repairing hardware and peripherals, including computers, scanners, and printers.• Installing various applications and programs for end-users.• Maintained network hardware and software and monitored network to ensure network availability to end-users.

Ncr - National Capital Region, Philippines