Lester Marcos
Network Operations Engineer at NTT Global Networks- Claim this Profile
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Topline Score
Bio
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
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
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
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
Credentials
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Cisco Certified Network Associate Routing and Switching (CCNA)
CiscoAug, 2015- Oct, 2024 -
Cisco Certified Network Associate Security (CCNA)
CiscoAug, 2018- Oct, 2024 -
Cisco Certified Specialist - Enterprise Core
CiscoMar, 2021- Oct, 2024 -
Silverpeak SDWAN Professional
Silver PeakDec, 2019- Oct, 2024 -
NSE 2 Network Security Associate
FortinetNov, 2019- Oct, 2024
Experience
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NTT Global Networks
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United States
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Telecommunications
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700 & Above Employee
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Network Operations Engineer
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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 GOCmanagers.
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Equicom Savings Bank
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Philippines
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Banking
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1 - 100 Employee
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IT Infrastructure Officer / Junior Assistant Manager
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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.
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IT Infrastructure Specialist / JL3
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Aug 2017 - Oct 2018
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IT Infrastructure Associate / JL2
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Oct 2015 - Aug 2017
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Education
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Tarlac State University
Bachelor's degree, Information Technology