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Olalekan AdediranOA
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Olalekan Adediran

@olalekanadediran

Field Support Engineer at Cobranet Limited, administering enterprise networks and resolving complex connectivity issues.

Nigeria
Message

What I'm looking for

I’m eager to apply my skills in network administration and infrastructure management to help ensure an organization’s resilience and the integrity of its systems.

At Cobranet Limited, I administer and maintain enterprise network systems, monitoring performance and addressing issues to support uptime and reliability.

I’m a primary escalation point for complex network problems, including routing failures, packet loss, and latency. I also configure and deploy routers, switches, and wireless access points.

At Micro1 AI, I design prompts for summarization, classification, and extraction, and review AI-generated outputs for quality. I introduced reusable templates to streamline prompt work.

At Telus International, I annotate image, video, and text datasets for AI and NLP training. Earlier, I worked in RF network engineering at SimbaNET Nigeria Ltd. and network technical support at Juniper Solution Limited.

Experience

Work history, roles, and key accomplishments

Micro1 AI (Remote) logoMR
Current

Prompt Engineer & Data Annotation Specialist

Apr 2025 - Present (1 year 6 months)

• Successfully designed and optimized prompts for summarization, classification, and extraction tasks, achieving higher accuracy and reliability in LLM outputs.
• Ensured quality and consistency by reviewing AI-generated outputs for tone, relevance, and hallucinations, significantly improving completion validity.
• Introduced reusable prompt templates that streamlined operations, reduced redundanc

Telus International (Remote) logoTR
Current

Data Annotator

Mar 2023 - Present (3 years 7 months)

• Annotated high-volume datasets (image, video, text) for AI and NLP
training purposes.
• Evaluated user-generated content against safety and relevance
standards.
• Contributed to annotation QA reviews and system feedback loops.
• Maintained high annotation accuracy and met all productivity KPIs.

Cobranet Limited logoCL
Current

Field Support Engineer

Jan 2019 - Present (7 years 9 months)

• Administered, configured, and maintained complex enterprise network systems to ensure maximum uptime, reliability, and optimal performance.
• Continuously monitored network performance metrics (availability, utilization, throughput, latency) and tested for vulnerabilities, proactively addressing issues before they impacted business operations.
• Served as a primary escalation point for analyzing

SimbaNET Nigeria Ltd. logoSL

RF Network Engineer

Jun 2017 - Dec 2018 (1 year 6 months)

• Monitored key network performance indicators across dozens of sites, identifying causes of performance degradation and implementing solutions to restore optimal service.
• Diagnosed and resolved complex network and telecommunications issues for clients, ensuring consistent connectivity and system reliability.
• Coordinated the ongoing maintenance and technical support of critical telecommunicati

Juniper Solution Limited logoJL

Network Technical Support Engineer

Sep 2015 - May 2017 (1 year 8 months)

• Monitored and maintained computer systems and networks, responding immediately to outages to manage failures and minimize downtime for critical business systems.
• Installed, configured, and integrated new applications, hardware (including routers and microwave radios), and software systems into existing infrastructure.
• Troubleshot system and network problems, effectively diagnosing and resolv

C. WOERMANN NIGERIA LTD logoCL

Internship

Apr 2012 - Sep 2012 (5 months)

 Local Area Networking [ Design and Implementation]
 Basic Networking Troubleshooting
 Computer System Troubleshooting and Repairs
 Installation of Application software, Operating Systems and Data Backup
 General Systems and Network Maintenance

Education

Degrees, certifications, and relevant coursework

WS

World Education Services

Verified International Academic Qualifications

Aug 2021

CI

Cisco

Introduction to Cybersecurity

Oct 2021

FA

Federal University of Agriculture, Abeokuta.

Bachelor of Engineering (B.Eng.), Electrical and Electronics Engineering

2009 - 2014

CI

Cisco

Cisco Certified Network Associate [CCNA]

UI

Ubiquiti Inc.

Ubiquiti Enterprise Wireless Admin

TA

Tech Studio Academy

Fullstack Development

2024 - 2025

UL

United Global Resources Limited

Cisco Certified Network Associate (CCNA), Cisco Certified Network Associate

2014 - 2014

Tech stack

Software and tools used professionally

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