Adeniyi Oluwajana

Adeniyi Adebayo Oluwajana PROFESSIONAL PROFILE Performance-driven and goal-oriented professional with extensive experience in the telecom sector, skilled in collaborating with cross-functional teams to achieve objectives. COMPETENCIES Senior Engineer @9mobile | Solutions Architect | IP/MPLS | DWDM/SDH | VPN | BGP | IS-IS | OSPF | Enterprise Business | L3VPN | L2VPN | Cloud | Software Engineering | Python | Web Development | MS Office | Google Workspace | Linux PROFESSIONAL EXPERIENCE 9 Mobile Nigeria 2023 – Till date Senior Engineer, Solutions Architect /IP Planning • Designs and articulates solutions tailored to a customer’s strategic business or technical needs, gathered through collaboration with various technical teams at 9mobile. • Responsible for initial Solution Design and client information gathering (including pre-installation site survey) for all Enterprise Projects. • Coordinate with 3rd Party Vendor in order to deploy Enterprise Solutions and for Enterprise Core Network Maintenance and Support. • Attend to technical sales meeting along with Sales Managers to capture client’s request for service provisioning. • Keep a project tracker for all ongoing Enterprise services implementation from Order to Completion in close coordination with Network and Provisioning team and publish such tracker periodically (Daily, Weekly or forthrightly) for the benefit of sales and enterprise team • Provide all required documentation including approval process for implementation kick-off of all Enterprise service provisioning (CRF and any other supporting documents). • Provide the Enterprise Sales Team with the Job completion Certificate for customer concurrence and endorsement to mark the completion of service provisioning and billing commencement. • Coordinate the billing and invoicing of Enterprise Customers based on signed Job Completion Certificates. • Monitors all alarms and measurable parameters on the Enterprise Network Monitoring Application/Tools in order to compile a weekly/Monthly KPI report and including Bandwidth utilization. • Drive the resolution of all Enterprise Link Outages and faults in coordination with Enterprise Operations Team with regular updates on resolution paths and action plans. • Supervise and ensure proper quality assurance on all 3rd party installations on Enterprise Client sites. • Coordinate the technical support activities of 3rd Party vendors both during and after Enterprise Service Implementation. • Assist in the Resolution of all client outages and push repeat issues to problem management team for promptly fixes and compile weekly Fault resolution reports to track service reliability trend. • Driving the 9mobile IPv6 strategy. • Oversees network design and planning. • Manages IP address allocation and maintains a standard IP addressing structure within the 9mobile network. • Actively contributes to the development of new services. • Ensures quality, up-to-date documentation exists for all service arrangements and coordinated from a central database within the unit. • Provides technical and business consultative leadership throughout the life cycle of technical solutions. • Translates customer needs and technical requirements into appropriate solutions by liaising with customers to understand, anticipate, advise, and meet their specific needs. • Executes detailed technical assessments and audits of existing network infrastructure to identify opportunities for improvement and optimization. • Leads cross-functional teams in the implementation of complex network solutions, ensuring seamless integration and minimal disruption to operations. • Engages with vendors to evaluate new technologies and solutions, negotiating contracts and managing relationships. • Collaborates with sales and marketing teams to create compelling proposals and presentations for potential clients. • Stays current with industry trends and emerging technologies, advising leadership on strategic investments and upgrades. 9 Mobile Nigeria 2021 – 2023 IP Backbone/IP Planning Support • Attended to work orders by implementing scripts on Routers, Switches, IPRANs and other IP nodes for provisioning of Layer-2, Layer-3 VPN, Internet and SIP Services. • Supported the resolution of Network faults related to IP protocols like BGP, OSPF, IS-IS and MPLS backbone. • Collaborated with Optical, Microwave and other teams in troubleshooting, resolving faults and optimizing links. • Design, deploy, and maintain core IP/MPLS backbone networks. • Manage BGP, OSPF/ISIS, MPLS, and traffic engineering protocols. • Monitor performance and optimize routing for latency and reliability. • Troubleshoot complex L3 connectivity issues across national/international POPs. • Collaborate with NOC, security, and systems teams for cross-functional projects. • Document topology, routing policies, and changes. Managed allocation of IP addresses on the network to prevent IP conflicts and maintain standard IP addressing structure. 9 Mobile Nigeria 2021 – 2023 TEAM/SHIFT LEAD • I ensured all tasks were done within the SLA. • I ensured requisite information and training were passed to the surveillance. • I ensured that best practice of workflow was adhered to and adopted within the Front Office. • I developed and applied work processes for NOC front Office and with other units and Maintenance Contractors. • I supervised assigned tasks to Front Office Teams to ensure efficiency and effectiveness. • I allocated work to Front Office Teams with training and skills capable of doing the task. • I attended war room meetings to discuss pending outages, resolution strategies and NOC performance. 9 Mobile Nigeria 2021 – 2023 NOC Engineer • Performed second line troubleshooting for transmission related outages and degraded link issues on OSN Equipment/Systems. • Provided support in the resolution of all escalated incidents from the Field team by analyzing the alarms/errors. • Performed troubleshooting and technical support to resolve faults and managed escalation between the field operation team and the TX support team. • Provided support for network operation changes. • Minimised service outage durations of equipment/hardware faults by escalating faults within SLAs to the Transmission Field Support team (Microwave, Transmission, and others) for quick resolution. • Developed preventive maintenance procedures and recommended scheduling for different teams. • Accepted, prioritized, and categorized change request according to standard requirements. • Provided support for Emergency incident management. • Trained surveillance staff, sharpened their skills and thereby enhancing performance on the job. Qualiserve Group/Rutotech Global Technologies/Huawei Technologies (9Mobile/MTN Nigeria project) 2012 – 2021 NOC Engineer • Updated Transmission Facilities records by querying Transmission and Switching nodes. • Supervised 9Mobile Managed Services. • Localized DWDM/SDH faults, performed DWDM/SDH trails and carried out general troubleshooting towards restoration of network issues. • Prepared daily OSN report. • Monitored DWDM/SDH Network for capacity utilization. • Monitored 9mobile network, provided updates, statuses, and performance of network nodes. • Resolved all network support related issues and interfaced with customers on operational issues and related network events, using 9mobile’s standard operating procedures. • Escalated network alarms, outages and degradations and tracked till resolution/service restoration. • Managed incident tickets from creation of trouble tickets till closure. • Prepared BSS Summary Report. . EDUCATION • Obafemi Awolowo University (OAU) Ile-Ife, Nigeria (BSc.) Hons. - CERTIFICATIONS/TRAINING • PMPIn-view • 3P Consulting PMP Exam Prep Course2025 • CSN AWS Cloud Bootcamp Certificate2025 • AWS Certified Solutions Architect – Associate2024 • ALX Software Engineering Certification 2024 • Data Protection Training (Anderson Cert. of Attendance)2024 • ALX Virtual Assistant Certificate 2022 • Cyber Security Certificate for Service Work 2017 • Remote Delivery Certification 2017 • Preposition Competence Certification for Maintenance Service 2017 • Cisco Certified Network Associate 2010