Amarachi Ashley Okeke

• Supported live Layer 2 to Layer 3 network migrations across multiple campus buildings, working alongside senior engineers to manage fibre cutovers without service-affecting downtime.
• Helped diagnose and resolve a live network outage during a migration by identifying a crossed fibre fault, restoring connectivity within seconds and preventing wider disruption.
• Built, configured, and physically installed Cisco switch stacks across 8+ campus sites as part of a campus-wide infrastructure upgrade programme, progressing to independent hardware replacements under senior oversight.
• Led firmware upgrade projects across Cisco Catalyst 9200/9300 switch fleets using SolarWinds NCM, troubleshooting TFTP transfer failures and flash storage constraints.
• Identified a hardware overheating risk on newly deployed switches and proactively planned a fibre replacement solution, raising a formal change request and managing it through to scheduled delivery.
• Wrote scripts within SolarWinds to resolve recurring error logs and remove insecure protocols (Telnet) from network switches, improving monitoring reliability and security posture.
• Contributed to a CCTV infrastructure project (switch configuration, encoder/camera IP registration), with the team's work specifically recognised by stakeholders in management meetings for its professionalism and effectiveness.
• Applied a software engineering background to enterprise networking, bridging coding and infrastructure work through scripting and automation, and presenting technical proposals to engineering management and cross-departmental stakeholders.

• Assisted in maintaining backend services, processing hundreds of daily transactions, reducing downtime, and improving payment success rates.
• Resolved 10+ client-reported issues weekly, testing and deploying backend fixes that improved overall system stability.
• Collaborated with teams serving enterprise clients like GUI Logistics, facilitating seamless backend integration and prompt issue resolution.
• Supported 5+ Azapay POS merchants by resolving payment and transaction issues, enhancing service reliability.

• Delivered customer service during high-profile events, including football matches, racecourse events, and private functions, often under significant time pressure.
• Worked collaboratively with front-of-house, bar, and kitchen teams, adapting quickly to changing requirements to keep operations running smoothly.

• Handled 15+ customer calls and assisted 20+ in-person customers daily, ensuring timely support and service.

• Provided accurate information and guidance, helping customers make informed decisions regarding products and services.

• Resolved customer enquiries and concerns professionally, enhancing customer satisfaction and loyalty.

• Built positive relationships with customers through strong communication and problem-solving skills.

• Maintained excellent service standards while handling multiple customer interactions simultaneously.

• Collaborated with colleagues to enhance customer experience and streamline daily operations.