John Patrick Usalla

About the Candidate

JOHN PATRICK USALLA +16474259368 | Scarborough, Ontario
usalla_patrick19@yahoo.com.ph https://www.linkedin.com/in/john-patrick-usalla-47b01b11b/

SKILLS
• Network and Facility Engineer with over 14+ years working in a data center and network engineer.
• Proficient in MS Office Suite.
• Knowledgeable and experienced in network cabling, server, and device installation.
• Demonstrated experience in technical support and knowledgeable on information technology networking and computer and network troubleshooting.
• Background with Data Center equipment as well as BMS, Fire, Electrical, Cooling, and other monitoring systems.
• Experience with Linux, Cisco, Huawei and Nokia systems.
• Knowledgeable on Active Directory, DNS, DHCP, BGP, OSFP, NAT and SFTP.
• Knowledgeable on engineering checkpoint firewall (HA/Clustered, standalone, load balancing), used for VPN gateway access.
• Knowledgeable on Mobile data system and flow, roaming testing, SIGOS testing (inbound/outbound) and diameter firewall.

WORK EXPERIENCE
Engineer (VAS Ops – Mobile Data, Core Operation, Network) at M1 Ltd., Singapore from January 2021 to November 2022 – 10 International Business Park, Postal Code: 609928 – +6566551309
• Performed daily operation supporting mobile broadband services as well as data networking and security platforms serving engineering network.
• Handled customer’s queries on mobile data related issue, security activities such as user activation, as well as roaming related issue.
• Day-to-day operation and configuration management for Packet Core network element, Data Communication equipment, PCRF, Diameter, Security Gateway, Active Directory, VASCO/OneSpan 2FA, Border Routers interfacing to IPX providers, Parent Control platform.
• Coordinated and conducted GPRS/LTE roaming verification with Roaming partners.
• Performed standby and 24-hour rotating shift duties.
• Performed software patching management to address security vulnerability and generic software releases for all the elements.
• Handled 5G deployment and operation once network goes live.
• Provided O&M support for OSS Systems and supported all internal users and external users.
• Worked with internal parties on technical solutions and solution implementations.
• Performed functional and technical analysis of business requirements, and work with the vendor(s) in the development of solution design.
• Supported the application software configuration, programming, enhancement and testing.
• Performed other ad-hoc activities requested by immediate supervisor.
• Coordinated the provisioning of data center services including colocation, connectivity and any value added services subscribed by customers.
• Monitored and maintained network security services for Enterprise customers.
• Analyzed, troubleshoot and corrected network problems and system fault alarms within a specified time remotely and on-site.
• Experienced in supporting infrastructure services like Active Directory, DNS, DHCP, SFTP.
• Managed and supported all enterprise customer services and infrastructure. Includes Windows Server OS, Linux OS, DNS, Email, RADIUS and Virtualization platform such as VMware.
• Managed and supported Fixed Network’s internal management infrastructure. This infrastructure, such as NMS and log management is used to support the entire Fixed Network’s operations.
• Participated in routine cyber security operations, such as risk assessment, incident management and VAPT exercises.
• Planned, designed, configured, integrated and installed dedicated hardware, virtualized solutions as well as software solutions built upon M1 Cloud infrastructure
• Supported systems-related escalation request from Level 1 Technical Support team on a 24×7 basis
• Provided technical advice, fault resolution and troubleshooting support to Account and Pre-sales Managers, Technical Support team and Customer Support
• Evaluated and recommended the hardware and software solutions from vendors and other third party vendors for system operations requirements
• Achieved continuous improvements to the management and services infrastructure.

NAC Engineer/Data Center Engineer 1 at Optimum Solutions Pte. Ltd., Singapore from May 2019 to January 2021 – 1 Changi Business Park Crescent, Plaza8 @ CBP, #03-09 to 12, Podium B, Singapore, Postal Code: 486025 – +65 62360070
• Handled NAC (Network Access Control for Point of Sale) and project management at Citibank Singapore
• Point of contact for NAC Singapore for any activities, incidents, maintenances, and upgrades
• Managed multiple projects for ASPAC and coordinated with network, infrastructure, application teams and vendors
• Efficiently managed projects at Marina Bay Sands Singapore Data Center
• Managed the implementation of information systems to meet identified business needs, acquiring and utilizing the necessary resources and skills, within agreed parameters of cost, timescales, and quality of the project
• Presented proposals for project strategies, planning, definition of tasks and deliverables, quality control, risk analysis and management
• In-depth experience using ServiceNow application for project ID creation, access clearance, incident ticket, task, change request and other service request

Critical Infrastructure Technician at PDG Data Center SG1, Singapore (former DCSG 7000 AMK Pte. Ltd. and IO Singapore DCaaS Pte Ltd.) from June 2016 to January 2019 – 7000 Ang Mo Kio Ave 5, #05-00, Singapore, Postal Code: 569877 – +65 62402438
• Facilities Engineer
• Ensured that facilities problems are identified and repaired quickly, that contractors deliver quality services, and that internal customer demands are met
• Developed creative approaches to keep operational costs to a minimum, improve efficiency, and implement consistent maintenance strategies
• Operated, monitored, maintained, and responded to abnormal conditions in facilities systems. Areas include: Electrical, Mechanical and Building Monitoring and Control
• Monitored maintenance and incident management of power supplies, generators, UPS, PDU, USSB, Chilled water system, fire protection system (Fire alarm, VESDA, fire suppression & PA system) BMS and security system (CCTV & card access system)
• In charged of incident management of critical facilities

• Network Engineer
• Supported the safety and cleanliness of the environment and occupants by being proactive in identifying issues that needed resolution, opening tickets for maintenance, and taking the needed steps to get it done
• Monitored, resolved and updated all operations-assigned service tickets throughout daily shift using IO’s ticketing system
• Worked closely with vendors, field technicians, and other telecommunications service provider to resolve service issues and improvements
• Identified, researched, and supported process improvement actions
• Supported Shipping and Receiving with delivery and tracking of packages internally, packaging/unpacking and loading/unloading of deliveries for customers, carriers, vendors or other offices
• Assisted with server Reboots, power cycling equipment, and replacing equipment.
• Ensured physical security of data centre, building, and occupants by maintaining site security protocols, badging requirements and data protection procedures
• Completed and documented daily walk log of physical DC inspections for general health, power, cooling, hazards, etc
• In charged of incident management of network and IT devices

Associate Data Center Engineer at Singapore Telecommunication Ltd., Singapore from October 2008 to June 2016 – 31 Exeter Road, Comcentre, Singapore, Postal Code: 239732 – +65 68383388
• Proficiently conducted all day-to-day operations for the Data Centre
• Defined tasks for each project and work with all teams to meet project timelines
• Managed all vendor resources to complete tasks as defined in SOWs
• Maintained relationship with Colo Customers to ensure day-to-day operations success
• Coordinated DRP (Disaster Recovery Procedure) for customers and infrastructure group
• Facilitated customer visits and provide “remote hands” service to customers
• Proficiency with Circuits (ISDN, E1, GPON, STM-1, Metro-E, Gigawave)
• Conducted provisioning and ceasing of circuits
• Prepared all equipment to be installed in racks and other enclosures
• Installed, maintained, and configured multiplexers
• Updated cable management system as changes are made to data centre cable plant
• Resolved escalated and complex incidents

EDUCATION
Bachelor of Science, Major in Computer Science at Pamantasan ng Cabuyao | July 2008
Associate in Computer Technology at University of Perpetual Help System Laguna | April 2004
Secondary School at Montessori de San Lorenzo High School | June 2000

CERTIFICATES
CPR & AED Singapore | Jan 2019
Security Awareness Training Singapore | Sep2018
Energy Security Singapore | Feb 2018
Data Center Energy Efficiency Singapore | Feb 2018
Airflow Management Singapore | Feb 2018
Uninterruptable Power Supply Singapore | Dec 2017
Stand Generators Singapore | Dec 2017
Fuel System Design & Maintenance Singapore | Dec 2017
Fire Protection in Mission Critical Infrastructure Singapore | Dec 2017
Fundamentals of Power Quality Singapore | Dec 2017
Data Center Cooling Singapore | Dec 2017
Automatic Transfer Switches Singapore | Dec 2017
Mission Critical Electrical Systems Safety & Maintenance Singapore | Dec 2017
Reliability & Resiliency Singapore | Dec 2017
Mission Critical Facilities Engineering Singapore | Dec 2017
Data Center Practitioner Singapore | Jan – May 2017
Energy Efficiency Best Practice Singapore | May 2017
Data Center Design Awareness Singapore | Jan 2017
Work at Height for Workers Singapore | Jan 2017
Energy and Cost Management Singapore | Nov 2016
Critical Operations Professional Singapore | Nov 2016
Certified Data Center Professional Singapore | Nov 2012
ITL Version 3 Foundation Singapore | Aug 2011
Certified IP Associate (CIPA) Singapore | Nov 2010