SHERIN MOHAMMED
Abu Dhabi,UAE
Summary
Network Enginner with more than 9 years of diversified experience in secure network design, routing and switching, monitoring, system adminstration and has experience of IP/MPLS configuration, implementation and troubleshooting.
Cisco CCNA & CCNP Certified ID: CSCO14841832
Overview
10
10
years of professional experience
4
4
years of post-secondary education
1
1
Certification
Work History
Core Network Maintenance Engineer
Etisalat Service Holding
Abu Dhabi, UAE
03.2024 - Current
- Managing the Datacenter and NOC network, incuding Cisco, Huawei, Nokia high-end Routers, Switches, Fortnet FWs.
- Configuration and troubleshooting of routing issues of EIGRP, OSPF, BGP and MPLS, VPN and IPSEC protocols.
- Troubleshooting of LAN switching protocols like VLAN, VTPs, STP in Aruba, cisco, Techroute switches
- IOS upgradation of Huawei NE40 series routers, Cisco ASR9000 series routers, Nokia 7750 series routers.
- Attends assigned major/non-routine tasks related to Core, Access & Fiber Network under supervision.
- Commissioning of DWDM, SDH, OLT devices and card expansion, lambda upgradations.
- Provisioning of new links and performing stability and Switch over tests using 10G/100G Analyzer tester.
- Coordinating with OSP team for restoration of optical fiber medium faults with Optical power meter, Source meter, VFL.
Senior Network Administrator
Wipro
Kochi, India
09.2023 - 02.2024
- Handling multi-vendor IP transport devices and firewalls in the TESTLAB environment.
- Providing configurational support for Juniper Huawei, Cisco, Infinera based on tesing scenerio.
- Troubleshooting and configuring EtherChannel's and HSRP, VRRP in cisco and Huawei routers.
- Troubleshooting WAN links and BGP issues.
- DCN and OBN routers and switches configuration and end user allocations.
- Creating user profiles and security policies rules in Checkpoint VPN.
- Preparing BOQs and MOP based on tests conducting at TESTLAB.
- Performing IOS upgradation activities of Huawei ATN, NE40 routers, Cisco ASR routers.
Network engineer
Capgemini
Bangalore, India
08.2022 - 05.2023
- Monitor performance and ensure system availability.
- Provide L2 support and troubleshooting to resolve issues
- Monitoring tool Zabbix / Solawinds / Netbrain / ThousandEyes
- Configuration and troubleshooting routers using routing protocols like EIGRP, OSPF, BGP.
- Routing all types Static Routing and Dynamic Routing.
- Configuration and troubleshooting Switching Protocols like VLAN, VTP, STP.RSTP,PAT.DTP, Port security
- DHCP, DNS: DORA Proces
- Create and modify tests in ThousandEyes; Cloud & Enterprise agents / End point agents
- Coordinating to install and configure Zabbix server / Agent/ Zabbix proxy
- Onboarding the users with different level of access to the tools like Zabbix, Thousand Eyes & Netbrain.
- Ensuring the Performance/Remedy/Service Now/Ticketing tool
- Respond and resolve all client inquiries, maintain high level of client satisfaction
IP/SDH/DWDM Engineer
Gulf Bussiness Horizon
Dammam, Saudi Arabia
01.2020 - 03.2022
- Troubleshooting & OEM of IP/MPLS, SDH, DWDM, FTTX, OLT, GPON, Sync/clock devices
- Configuration and troubleshooting of routing protocols like RIP versions, OSPF, BGP
- Routing all types Static Routing and Dynamic Routing
- Configuration and troubleshooting Switching Protocols like VLAN, VTP, STP
- DHCP, DNS: DORA Process
- IOS upgradation of cisco and migration of primary up links
- Commissioning of DWDM, SDH devices and card expansion, lambda upgradations
- Coordinating with OSP team for restoration of optical fiber medium faults with Optical power meter, Source meter, VFL
Deployment engineer
Reliance Jio Infocomm
Cochin, India
11.2018 - 01.2020
- Implementation and troubleshooting of various issues on Routers and Switches
- MOP preparation for configuration of Traffic re-routing using routing protocols
- BOQ preparation and planning for cisco ASR series routers and techroute switches
- TCP/IP Sub netting and Configuring IP Addresses (IPV4 and IPV6)
- Handling the CSS integration, network up gradations and project coordination
- Have hands on experience configuration of CISCO 9200, 920i, 903, Juniper routers, Techroute L2 switches, Alcatel PSS24x DWDM and ADVA clocking solutions in Jio 4G IP MPLS project
- Routing protocols RIPv1, RIPv2, OSPF, BGP protocols
- Experience in troubleshooting of Switches using TELNET and SSH
- IOS upgradation of routers and switches
- Handled I&C responsibility of FTTX and Google Global Cache Project for Reliance Jio
- Raising and solving Network Standard Change and Network Normal Change tickets for proposed upgrade
Transmission engineer
Nokia
Cochin, India
09.2015 - 10.2018
- Hands of experience in LAN, WAN, SDH, PDH, DWDM, IP MPLS
- Operations and Maintenance of Juniper router MX 104 and MX 960, Juniper switches EX4300, Huawei DWDM equipments like 8800, 1600g and, Huawei OSN equipments like OSN1832 X16 and OSN 1832 X8, Alcatel muxes (1642, 1662, 1660 mux) and ECI equipments (BG 20, BG 30, BG 40, Micro sdm and XDM 100,300,900)
- SDH, PDH Network Management, updating, circuit configuration, Mux commissioning, capacity up gradation and support with Mux & Fiber related activity
- Capacity up gradation of links from STM-1 (or STM-4) to STM-4 (or STM-16) & STM-16 to STM-64 & Lambda additions
- Coordinating with fiber team for fiber related activities through LASER SOURCE, POWERMETER & OTDR
ISP/OSP Field Operation Engineer
Tata Communications Limited
Cochin, India
03.2015 - 09.2015
- Developing and executing the best practices and standard operating procedures targeting at network improvement
- Implementing strategic vision and direction to team so as to meet the medium- and long-term objectives of the organization
- Leading the Fiber Rectification Team (FRT) and O&M Team for the End-to-End Field Operations & Maintenance NLD backbone Link OFC of 96F, 48F, 24F
- Resolution of service affecting problems on proactive or reactive basis for OFC as well as the transmission equipment's
- OTDR test for single-mode, multimode in different wave lengths
- Responsible for planning, executing of short-term goals & long-term goals & rectification of OFC fault in 24x7 basis
- Managing and coordinating with team of Engineers, Technicians, Field Visitors & Etc
Education
Bachelor of Engineering - Electronics & Communication Engineering
Maharaja Engineering College
Chennai/India 06.2010 - 04.2014
Skills
- Routing & Switching Protocols
- BGP, OSPF, EIGRP
- VTP, VLAN, Ether channels
- STP, RSTP, MSTP, HSRP, VRRP
- Monitoring tools - Zabbix, Solarwinds,Netbrain
- ITSM, ServiceNow
- Noc Operaion
- Multi-protocol LANs
- Vendor relationship development
- WANs and LANs familiarity
- TCP and IP knowledge
- Routers and Switches experience
- Datacenter Operation
Certification
- Cisco CCNA & CCNP Certified ID: CSCO14841832
Timeline
Core Network Maintenance Engineer
Etisalat Service Holding
03.2024 - Current
Senior Network Administrator
Wipro
09.2023 - 02.2024
Network engineer
Capgemini
08.2022 - 05.2023
IP/SDH/DWDM Engineer
Gulf Bussiness Horizon
01.2020 - 03.2022
Deployment engineer
Reliance Jio Infocomm
11.2018 - 01.2020
Transmission engineer
Nokia
09.2015 - 10.2018
ISP/OSP Field Operation Engineer
Tata Communications Limited
03.2015 - 09.2015
Bachelor of Engineering - Electronics & Communication Engineering
Maharaja Engineering College
06.2010 - 04.2014
Similar Profiles
Hind MahilHind Mahil
Director of Business Development and Product Portfolio at Etisalat Service Holding CompanyDirector of Business Development and Product Portfolio at Etisalat Service Holding Company
Hammad Hussain KhanHammad Hussain Khan
Analyst - IT development at Etisalat Services HoldingAnalyst - IT development at Etisalat Services Holding
Irfan Ahmad MuftiIrfan Ahmad Mufti
Customer Support Specialist at Etisalat Services HoldingCustomer Support Specialist at Etisalat Services Holding