Obed Obino Nyabuto

• Improved customer satisfaction by promptly addressing DWDM/IPRAN Tier 2 tickets assigned within the SLA and generate final root cause analysis reports.
• Own the transport network KPI’s such as availability, stability, Links performance, documentation, update and maintain network designs and plans.
• Executed deployment, maintenance, and operations of fiber network in Long haul, metro and data center environments, meeting project deadlines and budget constraints.
• Led joint acceptance and commissioning of network devices, hubs, and sites, ensuring optimal network performance.
• Monitored and evaluated vendor performance against KPIs and SLAs, driving 80% improvement in service delivery.
• Review and Implement transport configuration changes as per the changes execution Method of procedures.
• Drive operational excellence projects to drive improvements in our transmission networks quality and reliability.
• Monitored the network and repaired issues while anticipating needs and escalating issues for network optimization to achieve best performance.
• Carry out transport network demand and capacity management ensuring no link utilization is above 80%.

Achievements

• Network wide Software and patch upgrades to latest versions involving 260 OSN9800 M12/M24/U32 nodes.
• Successful delivery of six 200G DWDM links in various network clusters to provide back-haul capacity for IP and RAN traffic.
• Deployment and integration of 68 new OSN9800 M12/M24 nodes to modernize DWDM network introducing flex-grid and C+L band.

• Provided 24/7 2nd Level technical support, escalations/on-call for DWDM/OTN/OTN network issues and ensure timely incident management and resolution.
• Preparing change management Methods of Procedures and coordinating events with operations and maintenance teams, field engineers and others to ensure changes on transmission network are done smoothly to achieve desired results.
• Contributed to the successful completion of major projects by assisting with system design, implementation, testing, and deployment tasks.
• Carry out various Optical test: OTN BERT, SDH/SONET BERT, RFC 2544, EtherBERT and Traffic GEN & MON to isolate and resolve client problems and share reports as part of service quality assurance.
• Actively collaborated with vendors to resolve hardware or software-related problems efficiently.
• Provide required field support to ensure timely and reliable problem resolution for all transport network faults.
• Ensure Network quality assurance and that the DWDM network adheres to defined network standards.
• Led and supervise multiple teams of subcontractors responsible for hardware installations ensuring high quality output and on-time completion of work at client sites.
• Drive operational excellence projects to improve on existing DWDM network quality, reliability and resilience.
• Provide coaching and mentorship to NOC team on technical competency.

Achievements

• Deployment and activation of 600 Gbps from Teraco Isando to Dubai for Microsoft client.
• Delivery of 12Tbps capacity in Nigeria from MDXI to OADC, Lagos for Google Metro Optical Fibre Network (MOFN).
• Rack space and power planning for equipment installation across the PoPs such as Teraco Isando, Amanzimtoti, Durban, Cape Town, Mombasa, Djibouti and Marseilles.
• Migration of 1Tbps traffic from NLD2/3/4 to NLD3/4/9 in South Africa Back haul therefore improving service stability for Meta services.
• GMPLS and PTN technologies implementation from Medallion to Abuja in Nigeria and Woodlands to NetOne in Zambia.
• Restoration of more than 20 clients to Equiano and 2Africa cables during subsea faults on EIG, Seacom, AAE1, EASSY and WACS submarine cables leading to client SLA achievement.
• Delivery of 100Gbps from Rack Centre to Gwarmai for Space X.
• Delivery of 200Gbps protected capacity from Cape Town to Teraco Isando for China Telecom.
• Delivery of 100Gbps from Teraco Isando to Musina on NLD7/8 for BCS.
• Delivery of 100Gbps from Teraco Isando to Mombasa for Safaricom PLC.

• Network planning, designing, and carry implementation of optical DWDM (ROADM/OTN) network systems based on company strategic development plans and growth projections of Optical transport network to meet such objectives.
• Network Implementation: processing implementation, support and management of all transmission infrastructure links Layer1/Layer2 optical deployment.
• Network OAM&P: Primary resource in managing transmission systems and equipment including configuring and test of new nodes, installation, and commissioning of new deployments.
• Channel Adds, node insertions, commissioning, decommissioning, traffic migration and HW/SW upgrades to ensure network resilient.
• Network configuration: responsible for end-to-end service provisioning on the transmission network of SDH/OTN/DWDM/L2/L3.
• Interfacing with Transmission network vendors on level-3 escalations and follow-up to closure of reported faults to avoid future potential risks.
• Customer support: troubleshooting, diagnosis and restoration of core transmission network faults and level 2 escalations from customer support team and other team.
• Network Reports: preparing weekly transmission performance, network outages, RCA reports and all mitigation measure deployed and documenting all procedure and process.
• Fiber and service restoration: facilitate and supporting all capacity restoration in case of terrestrial and submarine fiber faults.
• Lead Engineer in the Design, preparation of RFQ and implementation of MTN Globalconnect's Fibre-core DWDM network of over 50 DWDM nodes covering Mombasa to Malaba via Nairobi.

Achievements

• Successful delivery of 100G BB metro rings in Nairobi and Mombasa interlinking over 8 major Data centers and two Cable landing stations resulting in high network resilience and availability.
• Successful design and delivery of several customer links : MTN UG 2x100G IPT, China Mobile 2xSTM-64, 4G SS 2x10G, Citi Bank 800mbps IPT, Standard Bank 600mbps IPT, Google interconnect 2x10G.
• Part of the project team tasked with the overhauling Core IP routing and Switching for Nairobi and Mombasa metro.
• Lead engineer in the design and delivery of GPON network platform and migration of over 300 enterprise customers to the platform.
• Successful relocation of over km of metro fiber optic cable to pave way for the construction of Nairobi Expressway averting what would have been unpredictable outages on the BB network during construction period.