Hasan Aremu

Senior-level technical ownership of Airtel Nigerias ZTE and Nokia IPRAN regions, providing end-to-end fault
management, deployment support, and service assurance across a live national core network.
▸ Serve as the escalation point for major and critical network outages across ZTE and Nokia IPRAN regions,
driving rapid restoration and root cause analysis to protect national SLA commitments.
▸ Lead BSC and RNC end-to-end configuration, deployment, and integration activities, ensuring accurate and
timely delivery on rollout milestones.
▸ Drive UBT Layer 3 Microwave deployment across ZTE and Nokia regions on Airtels national network,
coordinating cross-functional teams for seamless multi-vendor execution.
▸ Resolve complex routing protocol faults (BGP, ISIS) affecting live services, applying deep protocol expertise
to isolate asymmetric routing issues and prevent recurrence.
▸ Conduct IP product benchmarking to validate new solutions before integration into the Core IP/MPLS
network, reducing deployment risk on production infrastructure.
▸ Support enterprise customer configuration troubleshooting and solution deployment, maintaining service
quality for high-value business accounts.

First-line IT support and systems administration for a mid-size organisation, responsible for end-to-end IT
infrastructure management including Windows Server, Active Directory, Exchange, and backup systems.
▸ Administered Microsoft Active Directory across Windows Server 2003, 2008, and 2012 platforms —
managing user accounts, security groups, DHCP, DNS, and file server access controls for the entire
organisation.
▸ Managed Microsoft Exchange Server 2007, 2010, and 2013 environments — provisioning mailboxes,
configuring distribution groups, and maintaining mail flow continuity for all staff.
▸ Executed periodic data backup using Symantec Exec Backup 2012, ensuring business-critical files and
folders were protected and recoverable in line with company policy.
▸ Served as the single point of IT contact for all users — handling technical triage, hardware/software
troubleshooting, user onboarding, and documentation.

Embedded within the ZTE/Airtel modernisation programme, responsible for deploying ZTE Layer 3 Microwave
solutions and supporting 5G integration across Nigeria's second-largest mobile network.
▸ Supported the full design, deployment, and implementation lifecycle for L3 Microwave solutions on ZTE platforms across multiple Airtel regions, contributing directly to the network modernisation roadmap.
▸ Executed Layer 3 Microwave configuration on both Nokia and ZTE routers, demonstrating rare cross-vendor proficiency that reduced handover friction between vendor teams.
▸ Contributed to 5G implementation and integration projects on the Airtel Nigeria network, gaining early-mover experience in next-generation RAN connectivity.
▸ Developed Layer 3 MW configuration scripts and troubleshooting guides, improving team efficiency and standardising deployment methodology across regions.
▸ Conducted benchmarking activities to validate new IP products before Core IP/MPLS network integration, maintaining network integrity throughout the modernisation cycle.

Core member of the Huawei Converged Transport Network (CTN) team supporting MTN Nigerias SVMS project
— managing service integration, fault escalation, and network surveillance across Nokia and Huawei transport
infrastructure.
▸ Managed service integration and migration activities on Nokia SR and Huawei platforms including SR-7, SR
12, IXR2, SARa8, CX600, ATN 980A/B, and NE40 — supporting MTNs national transport backbone.
▸ Troubleshot enterprise customer VLAN faults on Huawei and Nokia SR routers, consistently resolving high
impact issues to minimise business-affecting downtime for MTNs corporate accounts.
▸ Led root cause analysis on major network outages, recommending and implementing corrective actions that
strengthened network resilience.
▸ Configured ISIS and OSPF routing protocol rerouting during critical outages, maintaining service continuity
for millions of end-users across affected regions.
▸ Administered network surveillance via iManager U2000, proactively identifying at-risk sites and dispatching
field engineers before customer-impacting events escalated.
▸ Managed access coordination for field engineers and co-location partners (ATC, IHS, SWAP, INT, Helios)
using OWS, streamlining on-site activity and reducing resolution time.