Tech with Francis: DevOps and Everything Cloud

Cloud Architect | DevOps Engineer | Technical Writer

Welcome to my website where I share my thoughts and projects on DevOps and Cloud Engineering.

About me

I merge deep cloud engineering expertise with a business-first mindset, turning complex technical challenges into solutions that drive measurable results. As an AWS-certified Solutions Architect and DevOps Engineer, I design scalable, secure systems, automate deployments, and cut cloud costs by up to 40% - all while maintaining 99.9% uptime. With experience delivering enterprise-grade AWS projects and optimizing networks for global clients, I ensure every solution is not just technically sound, but built to boost performance, efficiency, and growth.

Experience

Freelance, DevOps & Cloud Engineer

2023 — Present

  • Architected Scalable Cloud Solutions – Designed and deployed AWS architectures aligned with the Well-Architected Framework, enabling 20+ high-availability workloads with zero unplanned downtime.

  • Built High-Performance CI/CD Pipelines – Automated deployments using Jenkins, GitHub Actions, Terraform, Docker, and Kubernetes, cutting time-to-production by 60% and reducing release errors by 30%.

  • Optimized Cloud Costs – Implemented rightsizing, reserved instance planning, and idle resource cleanup, achieving 20–40% monthly savings without performance trade-offs.

  • Enhanced System Reliability & Security – Configured AWS WAF, CloudFront CDN, NACLs, and IAM best practices, reducing vulnerability exposure by 70% and improving audit compliance from 75% to 95%+.

  • Advanced Monitoring & Observability – Integrated Prometheus, Grafana, and CloudWatch to monitor 50+ resources, maintaining 99.9% uptime and decreasing incident resolution times by 50%.

  • Delivered Client Enablement – Authored 500+ pages of technical documentation, conducted 30+ knowledge transfer sessions, and mentored junior engineers to build client operational independence.

Nokia, Network Planning & Optimization (NPO) Engineer

2022 — 2023

  • Optimized Network Performance – Led planning and optimization for 150+ new Airtel sites and 300+ cluster sites, improving KPIs by 15–25% through advanced RF analysis tools and parameter alignment.

  • Resolved Service Issues – Troubleshot and resolved 200+ network performance complaints annually with >95% SLA compliance, delivering accurate root cause analyses and timely solutions.

  • Capacity Planning & Availability – Conducted proactive capacity planning for 100+ 4G sites, sustaining >99% service availability and aligning infrastructure with future growth demands.

  • Accelerated Feature Deployment – Implemented and tested new features across 2G, 3G, and 4G networks, enabling faster adoption and enhancing overall service capabilities.

  • Ensured Network Consistency – Maintained uniform configurations across all managed sites, minimizing drift and improving long-term reliability.

Certifications

Portfolio/Projects

CI/CD Pipeline with Jenkins, Docker, and Kubernetes for Streamlined Software Deployment: Step-by-Step Guide

Deploying a Multi-Tier Web Application on AWS using AWS Elastic Beanstalk: Step-by-Step Guide

From Code to Cloud: Deploying Node.js on OVHCloud with GitHub Actions

Blog

Cloud Adoption in the Telecommunications Industry

AWS Wavelength for Optimal Performance and Security in Your Cloud