Musah Zakariah

Architected and administered scalable AWS infrastructure across multi-region production environments supporting 50+ microservices, improving availability to 99.95%. Built end-to-end CI/CD pipelines using Jenkins, GitLab CI, and AWS CodePipeline, reducing deployment cycle time by 65% and enabling 20+ daily releases. Automated provisioning and configuration with Terraform and Ansible, standardizing 100+ cloud environments and reducing manual effort by 80%. Containerized applications and orchestrated workloads on Amazon EKS/Kubernetes, improving utilization by 40% and reducing annual hosting costs. Implemented observability with CloudWatch, Prometheus, and Grafana to reduce MTTR by 45%. Integrated DevSecOps tooling (SonarQube, Snyk, Trivy) into delivery pipelines and enforced least-privilege access with IAM and KMS. Migrated on-prem workloads to AWS, reducing operating costs by 30% while improving disaster recovery posture and compliance alignment.

Engineered and maintained AWS infrastructure (EC2, S3, VPC, RDS, IAM, Route 53) supporting enterprise workloads across 30+ environments. Built and optimized CI/CD pipelines with Jenkins, GitLab CI/CD, and AWS CodeDeploy to reduce release cycle time by 55% and support 15+ weekly production deployments. Automated infrastructure provisioning and configuration with Terraform and Ansible, decreasing environment setup from 3 days to under 4 hours. Migrated monolithic applications to Dockerized microservices on EKS, improving deployment consistency and reducing rollback incidents by 35%. Implemented centralized logging and monitoring using ELK, CloudWatch, and Datadog to reduce detection time by 50%. Strengthened security posture with WAF, GuardDuty, and Security Hub, reducing critical vulnerabilities by 40% within two quarters. Managed Auto Scaling and load balancing to maintain 99.9% uptime during peak demand.

Administered hybrid on-premises and cloud infrastructure for global supply chain and manufacturing systems across 40+ Linux and Windows servers. Designed CI/CD pipelines using Jenkins and Git, reducing manual deployment effort by 60% and enabling consistent bi-weekly releases. Automated provisioning and configuration with Puppet and Shell scripting, reducing server setup time from 2 days to 3 hours. Led migration of legacy applications to AWS (EC2, S3, VPC), improving scalability and reducing on-prem hardware costs by 30%. Implemented centralized monitoring and alerting using Nagios and Splunk to reduce unplanned downtime by 35%. Managed enterprise virtualization with VMware vSphere to improve server utilization. Enforced security best practices (patching, access control, vulnerability scanning) to achieve SOX compliance, and developed disaster recovery and backup strategies with 99.9% recoverability using Veritas NetBackup.