Eber Martinez

FE support through Cisco Webex for CSR (Cell site router) NCS540 provisioning day0, day1 configuration and Post Health check for different scenarios:

• New Fiber LIT CSR sites Lit CSR - AR 1G&10G interface
• New CSR Dark P2P CSR - LDC PE
• New CSR Dark Ring configuration and insertion of new CSR sites in Darn Ring
• New Microwave CSR integrations(Ceragon, Aviat, AirForce Ubiquiti)
• Microwave p2p
• Microwave Daysi chain
• Microwave Hub& Spoke
• CSR alarms Troubleshooting
• CSR Unreachable
• VLAN verification using transport tool
• NSO related issues during ztp process
• BGP troubleshoot
• IPAM POOL verification
• IP allocation for BMC
• CSR SW upgrade.
• Collaborated with team members for effective communication and coordination during high-volume periods.

Support for 5G call issues raised from Market/ RF teams in O-RAN systems, analyzing root cause and providing corrective actions to in order to restore services. Escalation procedures in case needed, with other teams PaaS, Vmware, Cisco, Dell, Infoblox, Fujitsu, Samsung, Mavenir.

• Tickets handling (SNOW system) assigned to IWR queue
• Voice and data calls issues (Unexpected PRACH Values) - Analysis and troubleshooting for containers in status terminating, containercreating.
• Connectivity test with interfaces F1C, F1U, N3, N2
• Configuration verification in Mavenir DU, CUCP, CUUP pods in mCMS /with information in CIQ
• RU SW upgrade
• RU Cells/sectors down/crossed Sectors
• Site Boss (External alarms configuration) - BMC DELL XR11/SM alarms/troubleshooting - RU alarms and RU Swap Midband /Lowband - Support during antenna swap compscope, JMA
• RET (Remote Electrical Tilt) configuration and troubleshooting
• VSWR troubleshooting
• Site acceptance for new nodes and contribute to bring new services on air.
• Monitored customers for signs of security concerns and escalated issues to management
• Improved team productivity by providing technical guidance and mentoring junior engineers

• - BSC/RNC/ BTS, NodeB, eNodeB configuration (script execution U2000)
• - Licenses installation, GSM, 3G, LTE
• - Implementation cabinet MTS9000, Base band boards UBBP/UMPT/RRU - Integration New UMTS850 sites, LTE 1900, AWS Expansion, LTE TDD&FDD
• - Antenna Swap (16 ports), RRU Swap, Antenna Swap Mimo /2T2R to 4T4R - External alarms configuration (Neteco) - GU Swap from other vendors to Huawei equipment.
• Designed customized scripts for automating repetitive tasks, improving overall productivity within engineering team.
• Improved client satisfaction by providing comprehensive support and tailored solutions for their unique networking needs.

• Handling of tickets (CSRs customer service request) as firs/second line support attending severities (emergency, hot, high, medium and low) for different problems in customer access network GSM
• Support during emergencies in EIR, interacting with other teams, APG/APZ, MSC, SGSN, MGW to bring services back
• Calls voice service degradation Muted/Noisy call/crossed calls
• Packet GPRS Data service
• NWI-E troubleshooting (L2/L3 board in BSC Evo controller): Connectivity test from RAN side towards core (MSC and SGSN),Configuration of static routes, Redundancy issues (VRRP and HSRP) - Analysis and troubleshooting of alarms in BSC/BTS, SIU, nodeB, eNodeB
• Support during HW replacement (EPB, DUS, RRU, SCXB)
• KPI Cases: TCH ASR, SDCCH ASR, Handover Issues 2G-3G, 3G-2G - Support during SW Upgrades BSC and RBS
• Integration team support during project R503 (XMU Addition), DUL to DUS implementation, PDU aggregation for customer Verizon EUA
• On the job training for project for Customer T-Mobile in RNAM testing for FOA SW upgrade G16, SEATTLE/Tacoma, Washington EU - On the job training in GSC Noida India, Handle tickets CSRs as Tier2 for different problems in the Radio access network GSM BSC and RBS 2000 & 6000 series, customers, Vodafone & Bharti
• Used strong analytical and problem-solving skills to develop effective solutions for challenging situations
• Managed time efficiently in order to complete all tasks within deadlines
• Demonstrated respect, friendliness and willingness to help wherever needed
• Organized and detail-oriented with strong work ethic
• Resolved problems, improved operations and provided exceptional service
• Self-motivated, with a strong sense of personal responsibility
• Excellent communication skills, both verbal and written
• Proven ability to learn quickly and adapt to new situations
• Skilled at working independently and collaboratively in a team environment
• Worked well in a team setting, providing support and guidance