Hi, I'm Hannah N. O., a Cloud and DevSecOps Engineer with 7+ years of experience designing, automating, and securing cloud infrastructure across telecom, banking, and energy sectors. I have strong expertise in Azure, AWS, CI/CD automation, and infrastructure security, with a proven track record of improving reliability, compliance, and delivery speed. I enjoy building secure, compliant DevSecOps pipelines using Terraform, Kubernetes, and CI/CD tools, turning complex requirements into scalable solutions that teams love to work with.

Hannah N. O.

Hi, I'm Hannah N. O., a Cloud and DevSecOps Engineer with 7+ years of experience designing, automating, and securing cloud infrastructure across telecom, banking, and energy sectors. I have strong expertise in Azure, AWS, CI/CD automation, and infrastructure security, with a proven track record of improving reliability, compliance, and delivery speed. I enjoy building secure, compliant DevSecOps pipelines using Terraform, Kubernetes, and CI/CD tools, turning complex requirements into scalable solutions that teams love to work with.

Available to hire

Hi, I’m Hannah N. O., a Cloud and DevSecOps Engineer with 7+ years of experience designing, automating, and securing cloud infrastructure across telecom, banking, and energy sectors. I have strong expertise in Azure, AWS, CI/CD automation, and infrastructure security, with a proven track record of improving reliability, compliance, and delivery speed.

I enjoy building secure, compliant DevSecOps pipelines using Terraform, Kubernetes, and CI/CD tools, turning complex requirements into scalable solutions that teams love to work with.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert

Language

English
Fluent

Work Experience

Senior Cloud Security / DevOps Engineer
February 1, 2025 - November 5, 2025
Remote, architected AWS hybrid infrastructure using Terraform and Argo CD with embedded security policies, ensuring consistent, auditable deployments across 3 regions.
Cloud DevOps Engineer at Ericsson
December 31, 2024 - December 31, 2024
Designed and deployed multi-cloud platforms for Tier-1 operators, achieving 99.99% uptime and serving millions of subscribers globally. Led performance optimization of Kubernetes and NFV workloads, improving data throughput and reducing latency for 5G edge services by 25%. Integrated Prometheus, Grafana, and ELK for monitoring and alerting; automated security checks in CI/CD pipelines.
Cloud Engineer at Guaranty Trust Bank
August 31, 2020 - August 31, 2020
Led migration of core banking applications to Azure, improving reliability by 35% and enabling high-availability failover. Built Azure DevOps CI/CD pipelines and Terraform modules to automate deployment of transactions, remittance, and mobile banking systems. Built Azure monitoring dashboards, improved transaction visibility, and standardized cost optimization across Azure workloads, achieving $200K annual savings while maintaining PCI-DSS and CB N standards.
DevSecOps Engineer at BeBeque Limited
February 1, 2025 - November 5, 2025
Remote DevSecOps Engineer designing, automating and securing cloud infrastructure across telecom, banking and energy sectors. Led cross-region deployments with Terraform and Argo CD; integrated security scanning and compliance validation into CI/CD workflows; improved reliability and release velocity.
Cloud DevOps Engineer at Ericsson
December 1, 2024 - December 1, 2024
Led migration of core banking applications to Azure, improving system reliability and enabling high-availability failover. Designed CI/CD pipelines and Terraform modules to automate deployments; built monitoring dashboards; implemented cost-optimisation policies, reducing downtime and cost.
Cloud DevOps Engineer at Guaranty Trust Bank
August 1, 2020 - August 1, 2020
Led migration of core banking applications to Azure and built CI/CD pipelines and Terraform modules to automate deployments of banking workloads. Established monitoring dashboards and cost-optimisation policies, reducing downtime and enabling high availability.
DevSecOps Engineer at Ebebuqe Limited
February 1, 2025 - November 5, 2025
Remote, architect and manage AWS hybrid infrastructures supporting distributed energy workloads. Drive automation, observability, and compliance across development and production systems. Automated cross-region deployments with Terraform and ArgoCD, improving consistency and scalability. Designed monitoring and SIEM observability pipelines (Prometheus, Grafana, ELK) to detect IAM anomalies and vulnerabilities in real time. Integrated security scanning and compliance validation into CI/CD workflows, increasing release confidence and reducing audit time.

Education

Master of Science in Energy Engineering at KTH Royal Institute of Technology, Sweden
January 11, 2030 - November 5, 2025
Master of Science in Energy Engineering at KTH Royal Institute of Technology
January 11, 2030 - November 5, 2025
Master of Science in Energy Engineering at KTH Royal Institute of Technology
January 11, 2030 - January 1, 2022

Qualifications

Project Management Professional (PMP)
January 1, 2025 - November 5, 2025
Microsoft Certified: Azure Administrator Associate
January 1, 2022 - November 5, 2025
AWS Certified Solutions Architect – Associate
January 1, 2022 - November 5, 2025
Certified Kubernetes Administrator
January 1, 2022 - November 5, 2025
Azure DevOps
January 1, 2022 - November 5, 2025
AWS Certified Solutions Architect – Associate
January 1, 2022 - November 5, 2025
Linux Foundation Certified Kubernetes Administrator
January 1, 2022 - November 5, 2025
Microsoft Certified: Azure Administrator Associate
January 1, 2025 - November 5, 2025
IBM Skills Build Cybersecurity Certification
January 1, 2025 - November 5, 2025
Project Management Professional (PMP)
January 1, 2025 - November 5, 2025
Project Management Professional (PMP)
January 1, 2025 - November 5, 2025
Skills Build Cyber security Certifications
January 1, 2025 - November 5, 2025
Microsoft Certified: Azure Administrator Associate
January 1, 2022 - November 5, 2025

Industry Experience

Software & Internet, Telecommunications, Media & Entertainment, Professional Services, Energy & Utilities, Financial Services