Stephen Somuah

Designed and implemented secure cloud infrastructure for an OCPP-compliant EV charging platform on GCP, enabling robust WebSocket communication between EV charging infrastructure and backend services.

Engineered a custom mutual-TLS authentication layer using NGINX and Lua, resolving complex client-certificate authentication challenges where standard load-balancing options were insufficient.

Scaled the EV charging environment by over 560% from 300 to 2,000 connected nodes, leveraging Kubernetes-based production automation to reduce manual deployment efforts and enhance platform reliability.

Reduced AWS operational costs by 40% across 10 accounts through comprehensive Well-Architected reviews, rightsizing initiatives, and systematic infrastructure optimization.

Developed and deployed reusable Terraform patterns and GitHub Actions CI/CD pipelines, significantly improving deployment repeatability and reducing infrastructure provisioning time across client environments.

Collaborated on designing an internal developer platform using Kubernetes, Helm, and ArgoCD, standardizing application deployment and empowering development teams with independent infrastructure provisioning.

Hardened over 50 EC2 instances to meet stringent NatWest security standards utilizing AWS Security Hub and AWS Config, ensuring secure multi-account AWS infrastructure.

Built robust observability solutions for Kubernetes workloads with Prometheus, Grafana, and Loki, accelerating troubleshooting and root-cause analysis for critical production incidents.

Led comprehensive infrastructure and IT operations, managing compute, networking, backup, disaster recovery, and business-critical systems across 8 projects for a regulated financial-services organization.

Automated infrastructure provisioning across 8 financial projects, achieving a 70% reduction in deployment time and eliminating manual configuration errors.

Spearheaded server virtualization and capacity-planning initiatives that decreased unplanned downtime by 60% and reduced infrastructure maintenance costs by 50%.

Implemented automated data protection and disaster-recovery controls for critical financial operations, ensuring regulatory compliance and successful consecutive NPRA audits.

Managed and improved infrastructure for diverse financial-services operations, consistently ensuring high availability and robust data protection to meet critical business needs.

Ensured strict adherence to regulatory compliance standards for all financial infrastructure, maintaining operational integrity across multiple projects.

Implemented preventative maintenance and system upgrades to optimize performance and reliability of financial systems.

Provided essential technical support and troubleshooting for infrastructure issues, minimizing downtime and ensuring continuous service delivery.

Delivered essential technical support and developed comprehensive trainer programs for Ghana's nationwide biometric voter registration initiative during its national deployment phase.

Contributed to the successful nationwide rollout of the Distributor Management Solution, providing direct technical assistance and support to field users across the extensive distribution network.