mmodeneis

Designed and operated service architectures for new Java microservices and Spark-based solutions. Developed end-to-end CI/CD pipelines from scratch, including Dockerfile creation and SonarQube integration, and GitOps, reducing deployment times by 30%. Automated CRM environment provisioning with Ansible, reducing setup time by 80% and improving deployment reliability across 10+ environments. Implemented security policies using Iptables and SELinux on Red Hat/Rocky Linux. Managed 43 Kubernetes clusters for mission-critical applications, implementing RBAC and resource policies, reducing downtime by 25% and improving cluster security posture with Istio-based service meshes. Administered and hardened 650+ Linux servers on AWS, improving system security in compliance with CIS Benchmarks and reducing vulnerabilities by 40%. Deployed Elastic Stack with Fluent Bit for Kubernetes microservice monitoring and built Grafana dashboards. Provisioned AWS resources using Terraform.

Sole DevOps responsible for provisioning complete infrastructure on Azure and AWS using Terraform, including Kubernetes clusters. Promoted DevOps strategies and implementation goals. Migrated all .NET-based microservices to containers with Kubernetes orchestration. Built and maintained CI/CD pipelines with Azure DevOps and Docker, enabling zero-downtime deployments.

Created and maintained CI/CD pipelines using Bitbucket Pipelines and Helm. Architected and managed AWS and GCP environments hosting mission-critical microservices and big data applications, ensuring 99.99% uptime and scalable performance. Participated actively in security audits and compliance checks.

Led cloud migration strategies for mid- to large-scale clients, reducing costs through best practices. Developed and maintained detailed infrastructure documentation. Hands-on experience with infrastructure automation using tools like AWS CloudFormation, Chef, Ansible, and Terraform.

Provided Level 3 technical support, implementing ITSM methodologies aligned with ITIL frameworks. Developed and maintained documentation for system configurations, procedures, disaster recovery plans, and knowledge bases.

Deployed and configured production infrastructure for a 25-node clustered environment. Managed SQL Server hosting and IIS WebServers. Conducted periodic audits, ensuring security compliance.

Installed and configured Rack servers and performed 2nd level support tasks. Managed Active Directory, DNS, Exchange Server, and performed routine monitoring.