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Osigah Oge

@osigahoge

Network, Cloud & Infrastructure Engineer driving secure, scalable enterprise systems.

Nigeria
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What I'm looking for

I seek roles focusing on secure, scalable cloud and network infrastructure, automation, and observability where I can lead modernization, enforce governance, and accelerate engineering velocity.

I am a results-driven Network, Cloud & Infrastructure Engineer with 4+ years leading enterprise-scale network, security, and systems operations across 600+ distributed sites. I combine hands-on expertise in cloud migrations (AWS/Azure), systems administration (Linux/Windows), and infrastructure automation (Terraform, Ansible, Vagrant) to deliver secure, cost-optimized platforms.

I have led major projects including multi-vendor SD-WAN rollouts, data center WAN integrations, and ATM security upgrades, achieving measurable outcomes such as 99.9% uptime, 20% latency reduction, and a 95% reduction in vulnerabilities. I emphasize observability, governance (PCI DSS, CIS Controls), and practical DevOps/SRE practices to help teams move faster and safer.

Experience

Work history, roles, and key accomplishments

AP
Current

Network Security Engineer

Access Bank PLC

Oct 2022 - Present (3 years)

Led infrastructure operations for 600+ branch networks, delivering 99.9% uptime and driving SD-WAN deployment across 300 sites that reduced latency 20% and improved bandwidth efficiency 25%. Improved incident resolution 90% faster via monitoring optimisations and reduced onboarding time 30% through SOPs.

NC

Infrastructure Support Engineer

National Centre for Disease Control

Apr 2021 - Aug 2022 (1 year 4 months)

Administered Linux and Windows servers and secured enterprise networks, improving uptime 10% and reducing unauthorized access incidents 80% through firewall and VPN controls. Supported monitoring to achieve 85% SLA compliance on incident resolution.

Education

Degrees, certifications, and relevant coursework

Bowen University logoBU

Bowen University

Bachelor of Science, Computer Science & Information Technology

Grade: Second Class Upper

Completed a Bachelor of Science in Computer Science & Information Technology, graduating with Second Class Upper in 2020.

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Osigah Oge - Network Security Engineer - Access Bank PLC | Himalayas