Zaid Aftab

• Architected and deployed end-to-end CI/CD pipelines using Jenkins and GitHub Actions, automating build, test, and deployment workflows — eliminating manual release effort.

• Provisioned and managed AWS infrastructure: EC2 auto-scaling groups, S3 lifecycle policies, IAM least-privilege roles, VPC subnets/security groups, and RDS instances.

• Built production-grade Linux automation suite (Bash): automated user provisioning, log archiving with rotation, and real-time system health monitoring with email alerts.

• Configured CloudWatch dashboards and custom metric alarms to proactively detect and resolve infrastructure anomalies before impacting services.

• Containerized application workloads using Docker; managed image builds, container networking, and volume management in dev/staging environments.

• Maintained structured GitHub repositories with documented, modular, idempotent scripts — enabling team-wide reuse and reducing onboarding time.

• Administered full Cisco network stack: routers, core switches, access switches — maintaining 99%+ uptime across ICU, OPD, labs, and admin departments.

• Designed and implemented VLAN segmentation (clinical, admin, CCTV, management), inter-VLAN routing, NAT, and VPN — isolating sensitive patient data from general traffic.

• Managed FortiGate firewall: rule creation, policy enforcement, access control, threat monitoring,
and monthly security audits protecting sensitive medical records.

• Configured and maintained DNS, DHCP, wireless infrastructure, and CCTV networking across all hospital floors — supporting 24/7 clinical operations.

• Delivered server access management, infrastructure incident response, and end-user IT support — average resolution time under 30 minutes for critical issues.