Olanrewaju Rahaman
Surulere,Lagos
Summary
Telecommunication network analyst wit over 5years experience with expertise in deploying and managing enterprise-grade switches, routers, and wireless access points. Proficient in configuring IP telephony systems, CCTV surveillance integration, and video conferencing platforms to ensure seamless communication and security. Demonstrates a deep understanding of network protocols, telecommunication systems, and cybersecurity measures. Skilled in using network monitoring tools to optimise performance and maintain interoperability across 3G, 4G, and emerging 5G networks. Committed to advancing technological solutions that enhance connectivity and operational efficiency.
Overview
1
1
Certification
15
15
years of professional experience
Work history
Telecommunication Network Analyst
Chevron Nigeria
Escravos, Delta
2022.05 - Current
- Managed system updates to keep latest software running for optimal functionality.
- Collaborated with IT professionals to optimise network infrastructure for high performance.
- Tailored networking solutions to client needs and objectives for customer satisfaction.
- Supported LTE communication network operations and connectivity stability.
- Used networking protocol knowledge to enable secure data transmission across platforms.
- Followed data governance and compliance policies while maintaining high professionalism.
- Ensured adherence to company policies regarding data governance and compliance; maintained high standards of professionalism at all times.
- Coordinated necessary hardware installation or upgrades to enhance system capabilities whilst minimizing disruption to users.
Sales Manager
Royal Exchange General Insurance Limited
Victoria Island, Lagos
2020.12 - 2022.05
- Recruited and retained capable financial sales advisors for consistent performance delivery.
- Trained financial sales advisors weekly through structured coaching sessions and reviews.
- Prepared weekly, monthly, and quarterly reports to track sales activity and trends.
- Improved customer satisfaction by executing innovative sales strategies and managing feedback.
- Advised clients on risk management actions aligned with policy requirements.
- Conducted detailed market analysis to identify new opportunities for growth.
- Conducted detailed market analysis to identify new opportunities.
- Guided team members on best practices in upselling and cross-selling techniques, leading to enhanced customer value proposition.
- Enhanced market penetration with effective territory management.
Team leader
FBN Insurance
Apapa, Lagos
2017.03 - 2019.11
- Marketed and sold company's various insurance products
- Led strategic business unit activity and coordinated team priorities day-to-day.
- Identified problems, shared options and supported decisions with clear next steps.
- Helped customers prepare quotes aligned to specific insurance needs and risks.
- Ensured adherence to company policy by all team members, maintaining professionalism at all times.
- Conducted regular performance reviews to identify areas of improvement for each team member.
Graduate Intern
Mobil Producing Nigeria Unlimited
Victoria Island, Lagos
2015.05 - 2016.12
- Provided level 2 PC support for Lagos-area upstream operations users daily.
- Installed, loaded, and troubleshot GME PC software and applications.
- Monitored BMC Remedy ITSM work orders, resolving tickets within SLA.
- Escalated unresolved issues to appropriate support teams for fast resolution.
- Troubleshot and installed layered software products deployed to GME computers.
- Processed user restore requests tied to specific ITSM work orders.
- Supported inventory tracking by confirming PC assignment location and details.
- Moved backup tapes weekly to offsite locations.
- Adapted to varied support requirements to improve team efficiency and performance.
Revenue supervisor
Lagos State Internal Revenue Service
Ikeja, Lagos
2014.01 - 2014.05
- Educated, Enlightened and sensitized taxpayers thereby improving tax collection by 90%
- Ensure taxpayers are up to date on payment
- Monitor direct assessment compliance for companies and reduce non-payment risk.
- Follow up development levy and business premises payments to cut defaulters by 40%.
Student Intern
Nigeria Civil Aviation Authority
Ikeja, Lagos
2011.07 - 2011.12
- Supported Directorate of Airspace and Aerodrome Standards (DAAS) in day-to-day operations, ensuring adherence to aviation safety and regulatory frameworks.
- Contributed to design and development of DAAS Portal, improving efficiency in managing airspace and aerodrome standards.
- Participated in inspections across aviation towers and TRACON (Terminal Radar Approach Control) coverage, gaining valuable hands-on experience in Nigeria’s airspace operations and compliance monitoring.
- Ensured timely project completion for customer satisfaction.
- Showed initiative and willingness to take on new challenges.
Education
Bachelor of Science - Computer Engineering
College of Enginnering & Environmental Studies (OOU)
Ibogun/Ogun /2006 - /2013
Diploma of Higher Education - Diploma
College of Engineering & Environmental Studies (OOU)
Ibogun/Ogun /2005 - /2006
GCSEs - Secondary School Leaving Certificate
Command Secondary School
Ipaja, Lagos /1993 - /2001
Skills
- Switches & Routers Deployment
Installation, configuration, and maintenance of enterprise-grade switches and routers
VLAN setup, routing protocols (BGP, OSPF, EIGRP), and traffic segmentation - Wireless Access Points (APs)
Deploying and managing Wi-Fi networks with secure authentication (WPA2/WPA3)
Optimizing coverage, bandwidth, and interference management - IP Telephony (VoIP/IP Phones)
Configuring IP phones and VoIP systems (SIP, VoLTE)
Integration with PBX systems and Unified Communications platforms - CCTV & Surveillance Systems
Installation and network integration of IP-based CCTV cameras
Ensuring secure video storage, remote access, and monitoring - Video Conferencing Systems
Deploying platforms like Zoom Rooms, Microsoft Teams Rooms,
Configuring audio-visual hardware, codecs, and network QoS for smooth conferencing - Network Protocols: Deep understanding of TCP/IP, VoIP, SIP, DNS, DHCP, and routing protocols (BGP, OSPF, EIGRP)
- Telecommunication Systems: Knowledge of GSM, LTE, 5G, fiber optics, satellite communication, and microwave transmission
- Network Monitoring Tools: Proficiency with Wireshark, SolarWinds, Nagios, NetFlow, and SNMP-based monitoring
- Switching & Routing: Experience with Cisco and other telecom equipment
- Cybersecurity: Skills in firewalls, VPNs, intrusion detection/prevention systems, and encryption standards
- Configuring and maintaining LTE base stations (eNodeB)
- Monitoring LTE KPIs (throughput, latency, handovers, call drops)
- Supporting VoLTE (Voice over LTE) services
Languages
English
Fluent
Yoruba
Fluent
Affiliations
- Football: Teamwork, strategy and endurance reflecting collaboration and discipline to win.
- Basketball: Fast decision-making, coordination and leadership.
- Combat Sports: Mental toughness, focus and resilience under pressure.
Certification
- Cisco Certified Network Associate (CCNA) – In Progress
- ServiceNow Training
- SolarWinds / Logic Monitor Training
- First Responder Certification - 2026
- Microsoft Certified IT Professional (MCITP) – 2012
- Comptia A+ (A+ Hardware OS Concepts) -2012
- Microsoft Excel Certification 2019
- National Youth Service Corps (NYSC) – 2014
Accomplishments
- Harvard ManageMentor Program – 2016
- Presentation Skills Achievement Honored for excellence in delivering impactful and professional presentations.
- Team Leadership Recognition Acknowledged for successfully leading and motivating teams to achieve organizational goals.
- Business Plan Development Award Commended for developing innovative and strategic business plans that supported growth initiatives.
Timeline
Telecommunication Network Analyst
Chevron Nigeria
2022.05 - Current
Sales Manager
Royal Exchange General Insurance Limited
2020.12 - 2022.05
Team leader
FBN Insurance
2017.03 - 2019.11
Graduate Intern
Mobil Producing Nigeria Unlimited
2015.05 - 2016.12
Revenue supervisor
Lagos State Internal Revenue Service
2014.01 - 2014.05
Student Intern
Nigeria Civil Aviation Authority
2011.07 - 2011.12
GCSEs - Secondary School Leaving Certificate
Command Secondary School
/1993 - /2001
Diploma of Higher Education - Diploma
College of Engineering & Environmental Studies (OOU)
/2005 - /2006
Bachelor of Science - Computer Engineering
College of Enginnering & Environmental Studies (OOU)
/2006 - /2013