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Ogaga GreatOG
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Ogaga Great

@ogagagreat

I build secure, reliable networks and cloud infrastructure while resolving complex IT support issues.

Nigeria
Message

What I'm looking for

I'm looking to apply network engineering, cloud infrastructure, and technical support skills to improve system performance, strengthen security, solve business challenges, and deliver outstanding customer experiences.

I've supported IT operations at NNPC Gas Infrastructure, NNPC Limited, and Marilyn Shop, resolving technical issues, configuring Cisco devices, and delivering reliable remote and onsite support.

I design VLANs, apply QoS policies, monitor networks with SolarWinds and Wireshark, and support AWS infrastructure. My work reduced bandwidth congestion by 30%, supported 99.8% uptime, and strengthened security, disaster recovery, and customer support outcomes.

Experience

Work history, roles, and key accomplishments

Marilyn Shop logoMS

IT Specialist

Jun 2022 - Dec 2025 (3 years 6 months)

I focused on solving technical problems fast, improving system performance, and delivering reliable support from anywhere

NNPC Limited logoNL

Network Engineer

Apr 2023 - Apr 2024 (1 year)

Assisted in configuring and maintaining network devices including Cisco routers, switches, and wireless access points.

Monitored network performance using tools like SolarWinds and Wireshark, reporting anomalies to senior engineers.

Participated in troubleshooting LAN/WAN connectivity issues, resolving IP conflicts and faulty cabling incidents.

Updated and maintained network documentation such

NNPC Gas Infrastructure logoNI

Network Engineer

Apr 2023 - Apr 2024 (1 year)

Designed and deployed VLANs, isolated networks, and configured Cisco devices (Routers/Switches), improving network segmentation and security. Monitored bandwidth usage via SolarWinds, reducing congestion by 30% through QoS policies. Conducted root-cause analysis for network outages, achieving 99.8% uptime SLA. Implemented backup solutions and disaster recovery plans, ensuring data compliance.

NNPC Gas Infrastructure logoNI

Information Technology Support Engineer

Apr 2022 - Mar 2023 (11 months)

Diagnosed and resolved IT issues across OS platforms, improving system uptime by 25%. Configured Cisco devices, implemented VLANs, and isolated networks to enhance security. Conducted backups, managed user permissions, and ensured GDPR/data compliance. Key Achievement: Reduced bandwidth overuse by 30% through proactive monitoring.

Education

Degrees, certifications, and relevant coursework

LU

Lead City University

Bachelor of Science, Computer Software Engineering

Dissertation: Breast Cancer Prediction Using Machine Learning (Logistic Regression)

LU

Lead City University

Bachelor's degree, software engineering

2021 - 2024

Actively social, a very good team player and has good interest in leadership during my days in the prestigious institution.

Tech stack

Software and tools used professionally

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