Lester Marcos

Network Operations Engineer at NTT Global Networks
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Contact Information
us****@****om
(386) 825-5501
Location
Central Luzon, Philippines, PH

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5.0

/5.0
/ Based on 2 ratings
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Harvey Sta. Rosa ECE, ECT, CCNA

Knows the network fundamentals very well. A team player but also has a great potential to lead

Claudine Vanessa Gaddi

Good at explaining Network Fundamentals

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Credentials

  • Cisco Certified Network Associate Routing and Switching (CCNA)
    Cisco
    Aug, 2015
    - Oct, 2024
  • Cisco Certified Network Associate Security (CCNA)
    Cisco
    Aug, 2018
    - Oct, 2024
  • Cisco Certified Specialist - Enterprise Core
    Cisco
    Mar, 2021
    - Oct, 2024
  • Silverpeak SDWAN Professional
    Silver Peak
    Dec, 2019
    - Oct, 2024
  • NSE 2 Network Security Associate
    Fortinet
    Nov, 2019
    - Oct, 2024

Experience

    • United States
    • Telecommunications
    • 700 & Above Employee
    • Network Operations Engineer
      • Sep 2019 - Present

       Own and manage customer issues and see problems through to resolution.  Works with Telecommunication Service Providers and Hardware/Software Vendors to resolve network outages.  Hands on experience on Cisco Routers, Juniper Routers, Silver Peak, Cisco Viptela technology, Fortinet.  Hands on experience on Routing Protocols - BGP, EIGRP, OSPF.  Circuit Troubleshooting: MPLS, T1/E1, T3/E3, Ethernet, DSL, etc.  Experience with cisco and juniper router configuration, maintenance activities, following Scripts or MOPs accurately.  Work on special projects and tasks assigned by the GOC managers. Show less

    • Philippines
    • Banking
    • 1 - 100 Employee
    • IT Infrastructure Officer / Junior Assistant Manager
      • Oct 2018 - Aug 2019

       Establishes networking environment by implementingsystem configuration; installation, definition, documentation, and enforcing system standards. Maximize network performance by monitoring performance and availability; troubleshooting network problems and outages; scheduling upgrades. Secures network system by establishing and enforcingpolicies, defining and monitoring access. Performing network maintenance and system upgradesincluding patches, hot fixes and security configurations. Design and implement new solutions and improve theresilience of the current environment. Conduct analysis of malicious events and knownexploits/vulnerabilities of the network infrastructure, create a custom configuration to mitigate the vulnerability, as necessary. Show less

    • IT Infrastructure Specialist / JL3
      • Aug 2017 - Oct 2018

    • IT Infrastructure Associate / JL2
      • Oct 2015 - Aug 2017

Education

  • Tarlac State University
    Bachelor's degree, Information Technology
    2011 - 2015

Community

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