ATOLAGBE, Olaoluwa Moses

Lead IP/MPLS Network Engineer

About

Highly accomplished Lead IPRAN Engineer with over a decade of experience optimizing and managing complex telecommunications networks. Proven expertise in L2/L3 VPNs, MPLS Traffic Engineering, and routing protocols (BGP, OSPF, ISIS), consistently delivering significant improvements in network performance, reliability, and service uptime. Seeking to leverage advanced technical skills and a strong track record of problem-solving to drive innovation and operational excellence within a leading organization.

Work Experience

Lead IPRAN Engineer

Huawei Nigeria Ltd (Airtel Nigeria MS)

Apr 2022 - Dec 2024

Led comprehensive L3 support and optimization for core IPRAN networks, ensuring high performance and reliability for 2G/3G/4G services.

  • Provided expert L3 support, resolving critical network faults to maintain optimal 2G/3G/4G KPI performance across the IPRAN infrastructure.
  • Implemented and configured L2/L3 VPN services across diverse vendor platforms including Nokia SR/SAS/SAR, ZTE M6000, and Huawei CX routers.
  • Conducted weekly fault reviews with operators, delivering Root Cause Analysis (RCA) and implementing preventive measures to enhance network stability.
  • Resolved complex BGP routing issues by expertly manipulating BGP attributes, ensuring seamless network traffic flow and preventing service disruptions.
  • Optimized transmission paths using MPLS Traffic Engineering (RSVP-TE) to improve network efficiency and reduce latency.
  • Managed commissioning, upgrades, and troubleshooting for over 2,000 Nokia SR 7750, SAS 7210, SAR 7705, and IXR 7250 devices, ensuring high availability and performance.

Transmission Expert/IP Engineer

Airtel Nigeria

Sep 2020 - Apr 2022

Delivered critical Level 3 transmission support and engineered IP solutions for enterprise links, enhancing network reliability and performance.

  • Provided Level 3 transmission support, resolving critical outages on enterprise links to minimize downtime and ensure business continuity.
  • Provisioned and troubleshot L2/L3 VPN enterprise links on multi-vendor platforms including Nokia, Huawei CX600, ATN, and Cisco routers/switches.
  • Developed comprehensive documentation for network configuration changes and operational procedures, improving knowledge transfer and compliance.
  • Utilized PRTG, Netboss, and Solarwinds for proactive traffic monitoring, identifying and proposing necessary capacity upgrades to prevent bottlenecks.

Enterprise TX Back Office Engineer

Huawei Technologies

Jun 2016 - Aug 2020

Managed the provisioning, operation, and maintenance of enterprise transmission services, ensuring robust network connectivity for clients.

  • Provisioned and implemented diverse enterprise services including leased lines, Internet, PRI, APN, and IPLC from CPE to MPLS/Backhaul NNI, supporting sales and implementation teams.
  • Operated and maintained Ericsson/Huawei PDH (AMM 2P,6P,20P; RTN 900 series) and SDH Multiplexers (Tellabs 6325, 6340, 6350, OSN 550, 3500, 7500) using INM 8000 and U2000 NMS tools.
  • Provided remote Layer 2/3 troubleshooting support to Field Engineers, resolving critical faults on enterprise services to minimize disruption.

Field Support Engineer

Ericsson LM

Mar 2014 - May 2016

Executed routine O&M procedures and responded to emergency faults across transmission and radio networks in the Abuja Region, ensuring service continuity.

  • Performed routine Operations & Maintenance (O&M) for Transmission (Ericsson, Aviat, Tellabs), BTS Radio networks, and power systems.
  • Responded to and rectified emergency faults promptly, achieving 100% compliance with contracted Service Level Agreements (SLAs).
  • Implemented strategic transmission plans, effectively eliminating capacity bottlenecks across MTN Nigeria's network.
  • Ensured all contractor-performed maintenance work adhered strictly to MTN Nigeria's technical specifications and quality standards.

BSS/Transmission Engineer

Globacom

Jun 2011 - Mar 2014

Managed the operation, maintenance, and acceptance of BSS/Transmission network elements, supporting vendors in optical fiber fault resolution.

  • Managed the operation and maintenance of Alcatel Multiplexers and DWDMs, ensuring optimal performance of core network infrastructure.
  • Conducted acceptance testing for newly installed sites and network elements, ensuring compliance with operational standards.
  • Provided critical support to vendors, facilitating resolution of optical fiber outages using specialized tools like optical power meters, OTDR, and light sources.

Customer Service Representative

MTN Nigeria

Apr 2010 - Jun 2011

Provided direct customer support, resolving inquiries and ensuring high levels of customer satisfaction for telecommunications services.

  • Addressed diverse customer inquiries and resolved service issues, maintaining high customer satisfaction ratings.

Sales Engineer

National Youth Service Corps (NYSC)

Jan 2009 - Dec 2009

Contributed to sales engineering efforts during mandatory national service, gaining foundational professional experience.

  • Gained foundational experience in sales engineering within a professional environment during national service.

Education

Electrical Engineering

University of Ilorin

Second Class (Upper Division)

Sep 2004 - Jun 2008

General Studies

Federal Government College, Ilorin

Sep 1997 - Jun 2003

Certificates

Nokia Network Routing Specialist 1

Nokia

Jan 2024

Cisco Certified Network Professional (CCNP)

Cisco

Jan 2012

Cisco Certified Network Associate (CCNA)

Cisco

Jan 2009

Skills

Networking Protocols

  • ISIS
  • OSPF
  • MPLS
  • LDP
  • BGP
  • BFD
  • SNMP
  • L2/L3 VPN
  • IPRAN
  • Traffic Engineering (RSVP-TE)

Network Operations & Maintenance

  • L3 Support
  • Network Fault Resolution
  • Root Cause Analysis (RCA)
  • Preventive Measures
  • Network Monitoring
  • Capacity Upgrades
  • SLA Compliance
  • Network Documentation

Telecommunications Technologies

  • 2G/3G/4G KPIs
  • MW Transmission (Ericsson, Huawei, ZTE, Ceragon, Aviat, Nokia)
  • PDH
  • SDH
  • DWDM
  • Optical Fiber Troubleshooting
  • Customer Premise Equipment (CPE)
  • BSS

Network Hardware & Tools

  • Nokia Routers (SR 7750, SAS 7210, SAR 7705, IXR 7250)
  • ZTE M6000
  • Huawei CX Routers
  • Cisco Routers & Switches
  • Alcatel Multiplexers
  • Tellabs (6325, 6340, 6350)
  • Ericsson (AMM 2P,6P,20P; RTN 900 series)
  • Tellabs INM 8000
  • OSN 550, 3500, 7500
  • U2000 NMS
  • PRTG
  • Netboss
  • Solarwinds
  • Optical Power Meters
  • OTDR
  • Light Source

Problem Solving & Analysis

  • Problem-solving
  • Troubleshooting
  • Analytical Thinking

Project & Time Management

  • Project Delivery
  • Time Management
  • Results-Oriented

Soft Skills

  • Communication
  • Innovation
  • Adaptability
  • Continuous Learning
  • Team Collaboration

Certifications in Progress

  • Nokia Network Routing Specialist II (in view)