Sahir Abbas Email & Phone Number

Bonn, North Rhine-Westphalia, Germany

Architected and deployed multi-cloud infrastructure across AWS and Azure, driving scalability and optimizing performance for mission-critical applications.Developed custom automation solutions with Golang and Python, streamlining CI/CD workflows and generating insightful reports to boost operational efficiency.Built proactive monitoring tools for Service Principal (SPN) credential expiry, seamlessly integrated with Prometheus to ensure zero downtime and immediate alerts.Engineered and maintained HashiCorp ecosystems (Nomad, Consul, Vault) using Terraform, ensuring robust service orchestration and secure infrastructure management.Deployed and scaled Kubernetes clusters (in-house, EKS, AKS), providing highly available, containerized environments for seamless application delivery.Integrated Azure AD and Single Sign-On (SSO) for internal tools, enhancing security while simplifying user management.Automated infrastructure monitoring and patching, drastically reducing manual interventions and increasing system reliability and uptime.Designed and implemented CI/CD pipelines with GitLab, utilizing Helm charts and Nomad templates for faster, more efficient software delivery.Created reusable Terraform modules with integrated testing (Terratest), driving infrastructure-as-code best practices and ensuring consistency across environments.Automated configuration management using Consul templates, enabling real-time, dynamic rendering of configuration files for smooth operations.Adopted GitOps practices with ArgoCD, achieving fully automated, version-controlled deployments and continuous delivery.Streamlined secret management and credential rotation using HashiCorp Vault and custom scripts, enhancing security and maintaining compliance.

Athlone, County Roscommon, Ireland

Architected a seamlessly scalable and highly reliable multi-cloud microservices infrastructure, optimizing application performance across environments.Designed and implemented CI/CD pipelines using Jenkins, Azure DevOps, and Spinnaker, automating processes to ensure efficient, error-free application delivery and reducing time-to-market.Streamlined release workflows, accelerating deployment and enhancing overall efficiency in the delivery pipeline.Led Docker and Kubernetes adoption, elevating application scalability and deployment processes.Automated infrastructure provisioning and configuration with Infrastructure as Code (IaC) tools such as Terraform and CloudFormation, ensuring consistency and scalability across environments.Implemented proactive monitoring and logging solutions using Prometheus and Grafana, enabling early detection of performance and security issues.Collaborated with cross-functional teams, streamlining processes and resolving operational challenges to improve efficiency and quality across development, QA, and operations teams.

India

Architected and implemented tailored environments for applications, ensuring optimal performance and scalability. Led the design and implementation of robust release management procedures, providing crucial production support for cross-functional teams.Pioneered the integration of Cloud technologies, processes, and best practices across teams and engineering groups, driving a culture of innovation.Successfully redesigned legacy applications for seamless Cloud implementation, enhancing overall system efficiency.Automated environment provisioning using a powerful stack: Terraform, Jenkins, GitLab, and Ansible, while deploying environments through Kubernetes containers.Engineered helm templates for Kubernetes application deployment, orchestrating automated deployments with Jenkins, Azure DevOps, and Argo CD.Led the Agile DevOps lifecycle, steering the design, development, testing, and release of new features.

Cochin Area, India

Spearheaded the creation and implementation of DevOps pipelines, delivering Infrastructure as Code and optimizing operational efficiency.Constructed end-to-end workflows for infrastructure creation in AWS and Azure, streamlining deployment processes.Engineered automation solutions for provisioning compute instances and storage, enhancing scalability and reducing manual effort.Developed Ansible playbooks and automated the execution of routine Linux scripts, fostering a culture of efficiency.Executed resource provisioning in AWS and Azure using Cloud Formation and Terraform templates, ensuring seamless and consistent deployment.Collaborated closely with developers, successfully converting legacy applications into microservices and architecting the Dockerization of these microservices, deployed on Rancher clusters.Led the implementation of a new monitoring system, significantly improving infrastructure uptime.