Erik Estrada, Network Engineer

Erik Estrada

Network Engineer

Safari Company Ltd

Location
Philippines
Education
Bachelor's degree, Information Technology and Management
Experience
21 years, 7 Months

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Work Experience

Total years of experience :21 years, 7 Months

Network Engineer at Safari Company Ltd
  • Saudi Arabia - Jeddah
  • My current job since June 2017

• Troubleshoot customer WAN/LAN networks for escalated faults & assist the data team in troubleshooting and handling issues.
• Member of IT team doing complex issues for IT, Fire system, BMS, Cable headed station and liaise with vendor whichever applicable.
• Perform network monitoring and analysis, and performance tuning; troubleshoot and diagnose hardware and software problems and replace defective components.
• Recommend changes to improve systems and network configurations, and determine hardware or software requirements related to such changes.
• Develops and executes mitigation plans for technical issues.
• Responsible for Operation Support of IT related work, Network related work and Low Current related work.
• Participate in Low Current system for network integration of Siemens BMS, American Dynamics Intellex and Kantech Security Access.
• Manage Cisco 6500 w/ VSS & Cisco Catalyst 6800IA for FEX, Cisco & Ubuquiti WLAN infrastructures.
• Handle Remote site 4G LTE configurations & installation via ISR Cisco router.
• Manage overall for NEC SV8300 IP telephony, Avaya IP Office 500 V2, Panasonic KTX TDE600, Alcatel OPUS 300, Nortel Meridian 1 for PBX analog, fax and digital phones.
• Manage FortiGate 800D for Main and 60e, 30e for branches.
• Manage Zycoo IP PBX for smaller sites via SIP and used 3G module.
• Manage and monitor network devices using PRTG.
• Set-up IPSEC VPN and SSL VPN via FortiGate.
• Handle network-cabling installations; new or existing.
• Perform move, add or delete changes on the configuration of network as per standard change process.
• Validate performance management and trend analysis for future projects.
• Manage configurations and implementations as per the agreed guidelines of Complex Customer Solution.
• Handling of ManageEngine Servicedesk for change, configuration, troubleshooting and performance management.
• Point of contact for IT Technical Escalation.

Technical Support Engineer/Manager at ADD-ON APAC Singapore PTE LTD
  • Singapore
  • February 2015 to December 2016

• Pre-sales and Post-sales support for FST21/IMID Seamless Biometric system product
• Have a minimal role in management level by supervising two entry-level engineers.
• Prepare and install CENTOS OS with IMID Application using Dell R420/430/630 server series or FST21 PC intense mini-server
• Integration of IMID Seamless Biometrics System with existing or new turnstiles and card readers
• Integration of IMID network infrastructure with the customer network including VoIP, VLAN, RSTP, HSRP, LAG, SNMP, and NAT
• API integration of SMS, EMAIL or customized reporting
• Setting up VPN environment using Site-to-Site VPN or remote access
• Manages delivery of proactive services that include technical assistance and recommendations, remote system monitoring and notification during post-installation support and constantly working with project manager, vendors and contractors
• Manages development, test, staging, implementation and support of corporate LAN networks
• Manages client IMID licenses support and make sure all are valid and inform them if expiration is near
• Attends to client meetings and provides technical consultations and recommendations for an ideal and most practical operations leading to continuous improvements
• Document issues by providing necessary information as well as provide recommendations to customers
• Check and validates BOM and provide cost estimates for services and implementation in accordance to customer’s requirements
• Perform network asset management, including maintenance of network component inventory
• Prepare partner training modules and conduct training for dealers, partners and customers
• Project management that involves site survey, planning, and POC
• Design of Electromagnetic door locking system, as customer requires
• Prepare or review network diagrams, implementations and migration documentation before the actual installation
• Prepare and maintain customer report documentation
• Prepare Risk Management implementation plan per project

Senior Network Engineer at Infinite Computer Solutions PTE LTD
  • Singapore
  • July 2014 to November 2014

• Member of the Network Solution Delivery team of Cargill Singapore as IT Network Solution Analyst
• Demonstrated ability to successfully implement medium to large network projects with minimal supervision.
• Demonstrated ability to lead and solve complex network problems, and manage expectations of all stakeholders
• Ability to manage multiple concurrent projects and shift priorities as needed
• Strong verbal and written communication skills, including the ability to converse and document in English
• Ability to understand and uphold global processes and internal controls
• Responsible to monitor Cisco products lifecycle through network asset management
• Responsible for internal consulting, technical guidance and support NOC operations for WAN and LAN networks
• Responsible to plan, design and prepare network documentation, staging of equipment’s, and engage in implementation of network related projects
• Configures tests and maintain LAN/WAN equipment’s and related services
• Handles different types of network technologies like TCP/IP, HSRP, SNMP, RSTP, BGP, OSPF, VLAN, and Ethernet
• Ability to engage and partner with individuals across the organization, from a variety of disciplines and positions

Network Design and Implementation Engineer at Intact Integrated Services Pte Ltd
  • Singapore
  • April 2010 to May 2014

• Responsible for the implementation of the customer Datacenter (UCS), WAN (ISR or ASR), LAN (Catalyst or Nexus), VOICE with collaboration, WLAN and WAAS configurations demanded by the project to the approved standard, timescale and quality
• Responsible for handling faults and issues related to the network design documents of any HLD, MLD, LLD that may need to be escalated and discussed with the Core of Excellence team in UK
• Responsible to produce High-level and Low-level design documents including configurations and migration strategies for LAN, WAN and WLAN
• Responsible for any revision of the DC (UCS), WAN, LAN, VOICE, WLAN and WAAS configurations needed prior to the migration and implementation of the site.
• Participates on Network Analysis, Troubleshooting and Recommendations and communicate effectively with Core of Excellence team in UK on technical matters
• Support network security using various platforms like Bluecoat, Cisco ASA, and Crossbeam (VIRTUALIZATION)
• Support voice network platform for Cisco and Avaya network devices.
• Support LAN, WAN and security infrastructures
• Responsible to do a Site Survey work for WAN/LAN/WLAN/VOICE and UCS for Data Center and SMB clients if required
• Participates to produce outcomes that meets the project plans and programme
• Check and validates BOM and provide cost estimates for services and implementation in accordance to customer’s requirements
• Onsite Implementation and migration of large factory sites overseas, managing a team of network engineers to troubleshoot any customer issues after the migration
• To report effectively to the IT Regional Design lead and other management where appropriate

Network Provisioning Engineer at Comstor Pte Ltd
  • Singapore
  • November 2007 to March 2010

• Member of Thomson Reuters account team
• Responsible for the execution of the full customer’s CPE configuration \[MPLS) activities and ensuring that the 40, 000 orders are delivered on time, within budget and to the required quality to meet keystones deliverables
• Responsible for the implementation full customer’s configuration, provisioning and test & turn up activities demanded by the project to the approved standard, timescale and quality.
• Responsible for troubleshooting and handling of faults and issues related to configuration, provisioning and test & turn up activities and any escalation from GSC before acceptance by Service Assurance
• Ensure the physical line; T1 and E1 are clean and bit error free
• Ensure the VLAN, RSTP, HSRP and other routing protocols are working before and after the migration
• Engaged PE engineer to established the CE to PE BGP relation using RT and RD
• Work with Cisco TAC to resolve equipment and solutions issue
• Responsible for customer turn-up in the evening or during weekend, following the shift roster
• Communicated effectively with the project team on any technical matters
• Worked with local administration to deliver timely reporting
• Reported to the Local Team Leader and other management where appropriate

Network Engineer - Problem Management at JMC PTE LTD
  • Singapore
  • October 2006 to November 2007

• Responsible for APAC, EMEA, and Americas region for Agilent/Avago technologies network problem change management support & monitoring tools and made sure that HP SLA is met by participating in 24x7 standby support and on-call rotation as required
• Member of the managed services “ Change Problem Team” doing the 3rd level network support and escalation by 24 x 7
• Worked as Regional Engineer also known as a Level 3 for (Agilent/Avago Technologies) under HP Technology Solutions Group (Managed Network Services)
• Provided technical guidance in service escalations and communicate with vendors to solve issue in architectural level
• Maintained clear documentation from incident logs and case notes through to the maintenance of documentation libraries
• Provided pro-active root cause analysis of data to help drive improvement in quality and productivity of services
• Responsible for management, escalation and resolving of issues on the client's network infrastructure comprised of different technologies and devices on WANs (routers, VPN); LANs (L2 & multilayer switches, load balancers, DNS, DHCP); WLANs (access points, Cisco WLSE) and Network Security (Cisco PIX firewalls, RSA, Cisco ACS. This service is done through the use of different network management, monitoring tools & incident tracking tools (i.e. HP Openview, OVO, Inmon, HP OVSD, MRTG, etc.) to ensure that SLA's are being followed
• Responsible for delegating tasks to team members as a Team Leader and ensuring that issues are solved in a timely manner to meet the Service Level Agreements and Quality
• Work closely with LD (Local Delivery) to resolve the urgent matter and make the conference call across the region if the need arise
• Work with Cisco TAC to resolve equipment and solutions issue

Network Engineer - Level 1 at Emerio Corporation (Malaysia) Sdn. BHD
  • Malaysia
  • May 2005 to September 2006

• Responsible for APAC, EMEA, and Americas region for Agilent/Avago technologies network support and monitoring tools and making sure HP SLA is met
• Member of the managed services team that support the LAN/WAN network by 24 x 7
• Responsible for delegating tasks to team members as a Team Leader and ensuring that issues are solved in a timely manner to meet the Service Level Agreements and Quality
• Provided technical consultancy for one of the HP outsource project
• Assisted in resolving user problem connecting to VPN problem - support VPN NORTEL and IPASS infrastructures Worldwide using RSA token (Add user, delete, add profile and modify the token card)
• Helped in checking CISCO PIX firewall, eg. Checking if user is blocked on the firewall, troubleshooting on PIX firewall status, unusual traffic passing through the firewall, etc
• Diagnosed and resolved issues relating to hubs, switches and routers
• Responsible for delegating tasks to team members as a Team Leader and ensuring that issues are solved in a timely manner to meet the Service Level Agreements and Quality
• Diagnose and resolved issues related to Cisco Network Intrusion Devices, Cisco Content Server Switches, Cisco IP Phone, Fax Servers

Network Administrator at LBC Development Corp. - Domestic Airport, Pasay City
  • Philippines
  • March 2002 to May 2005

• Responsible for managing WAN/LAN, & WLAN by providing assistance to the network Internal users of LBC Domestic and International Express & LBC Domestic bank branches using a variety of network tools and devices
• Responsible maintaining the LBC Bank Network infrastructure that includes the Core banking platform; Phoenix System
• Responsible managing the Bank ATM’s network throughout the Philippines
• Responsible managing several Windows 2003 servers used for Domain, DNS, DHCP, Antivirus and Email outlook
• Responsible for network security, network failure, data back-up and restoration/disaster recovery plans
• Responsible for network capacity planning, development, regular network performance reporting, resource allocation, monitoring network availability & net security testing using (Packet Analyzer, Network scanner - Nessus)
• Handled the Annual/Monthly/Daily Downtime Report of all network problems and report it to the network head supervisor
• Handled all Network documentation, including Router configuration, Network Design and Network Implementation change
• Involved in projects involving corporate wide Anti-Virus solution (McAfee Antivirus Corporate & E-policy Orchestrator), the design, implementation & maintenance of LBC’s enterprise network infrastructure incl. structured cabling, the design and implementation of LAN and WAN upgrade, the implementation of Virtual Private Networking (VPN) technologies to enable centralized & secured access to LBC headquarter via VPN L2TP/IPSEC
• Provided Second level Technical, Hardware/software troubleshooting and Second level network operation support (Data Centre for LBC express and LBC Bank)

Education

Bachelor's degree, Information Technology and Management
  • at International Electronics & Technological Institute
  • September 2003

Information Technology and Management International Electronics & Technological Institute, Las Pinas, Philippines Cisco Academy Course - CCNA (Semester 1 to 4)

Diploma, Networking
  • at Cisco Academy
  • October 2002

Specialties & Skills

Network Optimization
LAN management
MAINTENANCE
NETWORK DESIGN
NETWORK SECURITY
OPTIMIZATION
Windows Server
DOCUMENTATION
Virtualization
Shell scripting

Languages

English
Intermediate

Training and Certifications

AirMagnet Survey Pro Certified Professional (Certificate)
Date Attended:
March 2013
Valid Until:
March 2013
(DCUCI) Student Certificate (Certificate)
Date Attended:
April 2012
Valid Until:
April 2012
Cisco CCNA Voice (Certificate)
Date Attended:
March 2012
Valid Until:
March 2012