Oche Eluma
Solutions Architect
Lagos
Summary
Experienced Technology Leader and Solutions Architect with expertise in Compute Technologies, IT Infrastructure, IT Security, Cloud Computing, Data Center Technologies, Routing and Switching, Site Reliability Engineering, and IT Developmental Operations. Skilled in designing, deploying/implementing, managing, supporting, and monitoring multiple OEMs, infrastructures, services, and IT platforms. Dedicated to delivering innovative solutions that meet organizations' unique needs while ensuring optimal performance and security.
Overview
10
10
years of professional experience
4
4
years of post-secondary education
11
11
Certifications
1
1
Language
Work History
Chief Technology Officer
TeflonHub Limited
05.2022 - Current
- Defined and implemented the company’s technology vision, ensuring alignment with business objectives and client needs.
- Led the development and deployment of infrastructure, cybersecurity, and software solutions, enabling enterprises across public and private sectors to modernize their IT environments.
- Advised client organizations on IT transformation, security frameworks, and cloud adoption, driving operational efficiency and resilience.
- Designed and delivered enterprise-grade solutions while ensuring compliance with industry standards (ISO 27001, NIST, GDPR, etc.).
- Led and mentored technical teams, overseeing project execution to ensure timely, cost-effective, and high-quality service delivery.
- Established best practices, security protocols, and technical standards to enhance solution reliability and performance.
- Expanded the company’s consulting and technology offerings, driving revenue growth through innovative service models.
- Partnered with leading technology providers (AWS, Azure, Cisco, Palo Alto, Microsoft) to deliver optimized, scalable, and secure enterprise solutions.
Group Head, Infrastructure and Information Systems
Appzone Group
05.2024 - Current
- Company Overview: Africa's leading fintech service provider
- Led the strategic planning, design, implementation, and management of our hybrid and multicloud infrastructure ensuring that expectations on performance, high availability, costefficiency, and security were exceeded
- Led initiatives to modernize our infrastructure landscape, including the adoption of containerization, serverless computing, IaC and DevOps practices amongst other emerging technologies
- Implemented and enforced security policies and practices across our hybrid and multi-cloud environments, protecting organizational data and infrastructure whilst ensuring compliance with relevant regulations and standards (NDPR, IBM, GDPR, HIPAA, ISO/IEC 27001 e.t.c)
- Led the design and implementation of a robust and cost effective disaster recovery and business continuity strategy, ensuring high system availability and continuous compliance with our BCMS (ISO/IEC 22301) Certification
- Collaborated closely with other IT leaders, development teams, and business units to deliver infrastructure solutions that met their needs and drove organizational strategic goals
- Built and led a high-performing infrastructure team, fostering a culture of team work, continuous learning and improvement, whilst also providing mentorship and guidance
- Africa's leading fintech service provider
ENGINEERING MANAGER - NETWORK-SECURITY INFRASTRUCTURE
Appzone Group
11.2021 - 05.2024
- Planned and designed a state-of-the-art hybrid/multi-cloud security infrastructure tailored for our regulated blockchain network, ensuring secure and seamless digital payment processing across Africa.
- Configured and maintained advanced network security gateways and appliances across both cloud and on-premises environments, protecting high-volume, high-value transactions.
- Resolved complex network connectivity issues, including remote and site-to-site IPsec VPN configurations, to secure end-to-end communications across our extensive network.
- Collaborated with customers, third-party organizations, and internal cross-functional teams to plan projects and troubleshoot security challenges, ensuring the delivery of robust and compliant digital payment solutions.
- Defined and aligned departmental strategies with Zone Network’s mission to revolutionize digital payments, proactively addressing emerging cyber threats and technological advancements.
- Championed regulatory compliance as the department’s Compliance Champion, ensuring adherence to critical standards such as NDPR, GDPR, ISO, PCIDSS, IRM, and CBN, and contributing to strategic initiatives under the Integrated Management System Steering Committee (ISO/IEC 27001 and ISO/IEC 22301).
- Led security initiatives and mentored the network security team, driving innovation and maintaining cutting-edge defenses in a rapidly evolving digital landscape.
Senior Network Security Engineer
ULesson Group
10.2022 - 11.2023
- Designed and implemented a scalable, high-performance network infrastructure, ensuring seamless connectivity, low latency, and reliability to support uLesson’s growing operations.
- Strengthened cybersecurity by deploying next-generation firewalls, IDS/IPS, VPNs, endpoint security, and access control policies, enhancing protection against evolving threats.
- Optimized security and networking, efficiently integrating the on-prem environment to AWS services while balancing cost, performance, and compliance with ISO 27001 and NDPR standards.
- Developed and enforced security policies, establishing a Zero-Trust framework to improve authentication, access control, and overall cyber resilience.
- Implemented high-availability and disaster recovery strategies, ensuring 99.9% uptime and business continuity for uLesson’s digital learning platforms.
- Automated network monitoring and threat detection, leveraging Fortinet, Solarwinds, PRTG, and ESET solutions to proactively manage risks and performance.
- Collaborated with cross-functional teams, aligning IT infrastructure with business objectives to support rapid scaling and innovation.
Senior Network Architect
Miva Open University
01.2023 - 11.2023
- Designed and deployed a resilient, high-performance network architecture to support seamless e-learning experiences for thousands of students and faculty.
- Led the security strategy, implementing zero-trust frameworks, next-gen firewalls, and advanced threat detection systems to safeguard sensitive academic and institutional data.
- Engineered scalable cloud and on-premises networking solutions, ensuring seamless integration with MIVA’s digital learning platforms.
- Developed and enforced security policies, enhancing cyber resilience and reducing vulnerabilities across the institution’s IT ecosystem.
- Integrated Software-Defined Networking causing super fast fault resolution and enhanced traffic load balancing
- Optimized network performance, reducing latency and improving connectivity for a superior online education experience.
- Led network automation initiatives, streamlining operations and reducing manual overhead.
- Collaborated with cross-functional teams to drive digital transformation, ensuring a secure and robust foundation for online learni
CORE NETWORK ENGINEER
Zenith Bank Plc
05.2020 - 11.2021
- Designed and implemented robust network solutions within the bank’s data center and head office campus, optimizing performance and reliability.
- Managed and monitored critical core network infrastructure, including IP Fabric, Q-Fabric, Virtual Chassis, and Virtual Chassis Fabrics, ensuring seamless operations.
- Provided Level-2/3 technical support to head office users and IT support engineers, swiftly resolving complex network issues to minimize downtime.
- Designed, configured, and managed enterprise WiFi solutions, deploying CommScope Ruckus, Juniper Mist, and Cisco Meraki to ensure seamless connectivity.
- Managed, monitored, and optimized Cisco IP telephony platforms, including CUCM and UCCX, supporting the bank’s enterprise voice communication needs.
- Performed critical network maintenance and system upgrades, including service packs, patches, hotfixes, and security updates, enhancing security and performance.
- Collaborated with cross-functional IT teams to troubleshoot service issues, ensuring swift incident resolution and continuous system availability.
- Provided technical consultancy for IT projects, offering solution design, risk assessments, planning, and project documentation to support the bank’s digital transformation initiatives.
BRANCH COMMUNICATIONS ENGINEER
Zenith Bank Plc
02.2020 - 05.2020
- Managed and maintained WAN connectivity for hundreds of branches, ATMs, cash centers, and business-critical locations, ensuring 99.99% network uptime.
- Provided Level 2/3 central technical support to field engineers across the country, swiftly resolving network issues to minimize disruptions.
- Configured, deployed, and maintained enterprise networking devices, including routers, switches, access points, media gateways, and VoIP phones, across the bank’s WAN.
- Proactively monitored the bank’s network infrastructure, leveraging tools like Entuity, PRTG, and Junos Space to detect and resolve potential issues before they impacted operations.
- Led incident management and fault resolution, ensuring rapid response, root cause analysis, and effective escalation to service providers for critical failures.
- Collaborated with architects, engineers, and vendors to assess, plan, and implement advanced network solutions that supported seamless branch communication and enhanced banking operations.
TECHNICAL OPERATIONS/FIELD SUPPORT ENGINEER
Galaxy Backbone Limited
06.2018 - 09.2019
- Provided Tier-2/3 technical support to regional engineers and Galaxy vendors, ensuring high availability and seamless network performance.
- Configured, maintained, and optimized network infrastructure, both remotely and on-site, to support mission-critical operations.
- Installed and integrated advanced data communication systems, network equipment, and enterprise software, enhancing service delivery.
- Designed and deployed scalable network architectures, integrating hardware, software, protocols, and transmission links to improve connectivity.
- Led field deployment of network and security devices, ensuring seamless integration for vendors and enterprise customers across the region.
- Provided hands-on support for the commissioning of VSAT and eLTE sites, accelerating project timelines and enhancing network expansion.
- Directed VSAT operations, including satellite tracking, decommissioning, and migrations to terrestrial CPE solutions, improving network efficiency.
- Ensured compliance with SLAs and regulatory standards, driving performance excellence among vendors and service providers.
- Delivered end-user support and troubleshooting, improving client satisfaction and system uptime.
TELEPORT/NOC ENGINEER
Galaxy Backbone Limited
08.2015 - 04.2016
- Managed Galaxy’s Satellite Earth Station and NOC infrastructure, ensuring high availability and efficient resource utilization.
- Provided in-band NOC support to field engineers and technical teams across the country, ensuring smooth troubleshooting and operations.
- Led commissioning, testing, and maintenance of VSAT remote stations, optimizing connectivity for enterprise and government clients.
- Monitored and managed network traffic, ensuring seamless data flow from the NOC to customer-end UTM and CPEs.
- Delivered real-time technical support and rapid incident response, minimizing downtime and enhancing service reliability.
- Proactively monitored network performance across multiple platforms, identifying and resolving issues before they impacted end users.
- Escalated complex HUB-related issues to engineering teams, ensuring swift resolution of network incidents.
- Diagnosed and troubleshot VSATs, routers, switches, and general network outages to maintain continuous service availability.
- Configured, commissioned, and maintained satellite receivers and modems for deployment to remote sites.
- Provided frontline service desk support, assisting end users with a variety of technical issues to improve user experience.
- Compiled and analyzed operational reports, including shift reports, availability reports, network status updates, and maintenance logs.
- Developed graphical performance reports for VSAT platforms and HUB components using Cacti, enhancing visibility into network health.
Education
B.Sc. Hons - Physics
University Of Jos
Jos, Plateau 09.2012 - 04.2016
Skills
Cloud Architecture and Administration
Websites
Certification
Microsoft Certified: Azure Solutions Architect Expert, 2024
Timeline
Group Head, Infrastructure and Information Systems
Appzone Group
05.2024 - Current
Senior Network Architect
Miva Open University
01.2023 - 11.2023
Senior Network Security Engineer
ULesson Group
10.2022 - 11.2023
Chief Technology Officer
TeflonHub Limited
05.2022 - Current
ENGINEERING MANAGER - NETWORK-SECURITY INFRASTRUCTURE
Appzone Group
11.2021 - 05.2024
CORE NETWORK ENGINEER
Zenith Bank Plc
05.2020 - 11.2021
BRANCH COMMUNICATIONS ENGINEER
Zenith Bank Plc
02.2020 - 05.2020
TECHNICAL OPERATIONS/FIELD SUPPORT ENGINEER
Galaxy Backbone Limited
06.2018 - 09.2019
TELEPORT/NOC ENGINEER
Galaxy Backbone Limited
08.2015 - 04.2016
B.Sc. Hons - Physics
University Of Jos
09.2012 - 04.2016
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