Muhammad Kashif

Senior DevOps Engineer at Virgin Media O2

Designed and implemented CI/CD pipelines using Azure DevOps, Jenkins, and ArgoCD to streamline deployments, reducing release cycle times and increasing frequency. Managed data-heavy workloads in Azure with cost optimization via Azure Advisor and Cost Management. Implemented Disaster Recovery strategies (ASR, Azure Backup, GRS) to meet RTO/RPO targets. Optimized Infrastructure as Code with Terraform and Ansible to improve provisioning speed by ~30%. Configured AKS clusters, used Helm for packaging, and integrated monitoring with Azure Monitor, Grafana, and Log Analytics. Enabled blue/green deployments and mentored junior engineers.

DevOps Engineer at CELFINET UK

Implemented CI/CD pipelines using Azure DevOps, Jenkins, and GitLab CI; orchestrated deployments with Terraform and Ansible; managed AKS clusters with Helm; migrated on-premises workloads to Azure to reduce downtime and improve scalability. Built monitoring dashboards in Azure Monitor and Log Analytics; automated build/deploy processes via Azure DevOps Pipelines; worked with ARM templates and security basics (RBAC, Key Vault). Improved provisioning times by 30% and increased application availability.

Senior Consultant at VODAFONE UK

Responsible for performance and KPI for the region; reviewed acceptance processes with clients to maximize site acceptance; produced acceptance reports and liaised with customers to resolve queries.

Planning Engineer at TELEFONICA O2 UK

Responsible for 2G/3G/4G Access planning; analyzed access network performance and made changes to improve network performance. Proposed and defined coverage expansion plans for 2G/3G/4G networks; planned data for new beacon sites.

Optimisation Engineer at VODAFONE UK

Identified coverage issues in Platinum cities; planned capacity expansions; prepared capacity expansion reports; documented and designed parameterization for motorways; troubleshooted complaints of corporate users by analyzing logs.