Tomás Herrera
Cloud Engineer · Tampa, FL · tomas.herrera@example.com · linkedin.com/in/tomasherrera
Summary
Cloud engineer with 6 years designing and running AWS environments: landing zones, migrations, networking, and cost governance. Migrated 40 on-prem workloads to AWS with zero downtime and cut infrastructure spend 38%. Deep on ECS/EKS, VPC design, IAM, Terraform, and the multi-account guardrails (Organizations, SCPs) that keep growing teams safe by default. AWS Solutions Architect Professional.
Professional Experience
Cloud Engineer · Harborline Logistics
Feb 2023 – Present
- Migrated 40 on-prem workloads (ECS, RDS, S3) to AWS with zero customer-facing downtime by running phased cutovers behind weighted DNS and rehearsed rollback plans.
- Cut infrastructure spend 38% ($31K/month) through rightsizing, Savings Plans coverage at 85%, S3 lifecycle policies, and killing zombie resources surfaced by tagging enforcement.
- Built the multi-account landing zone (AWS Organizations, SCPs, centralized logging, SSO) that let 5 product teams self-serve accounts inside guardrails instead of filing tickets.
- Reduced infrastructure change failures 60% by bringing all 300+ resources under Terraform with plan-preview PRs and drift detection in CI.
- Designed the hub-and-spoke VPC network (Transit Gateway, private subnets, VPN to 2 warehouses) passing the company’s first SOC 2 network review with zero findings.
Infrastructure Engineer · Suncoast Health Partners
Jun 2019 – Jan 2023
- Cut disaster-recovery time objective from 24 hours to 45 minutes by moving backup/restore to cross-region automation with quarterly tested failover.
- Saved $120K/yr in licensing by re-platforming 12 Windows services to Linux containers during the cloud migration.
- Automated environment provisioning with CloudFormation then Terraform, taking new-environment setup from 2 weeks to 1 day.
Projects
Open-source: tagguard
- Published a Terraform module set enforcing cost-allocation tags across AWS accounts with CI checks; adopted by multiple teams for FinOps rollouts.
Technical Skills
- Cloud platform: AWS (ECS, EKS, RDS, S3, Lambda, VPC, IAM, Organizations), networking (Transit Gateway, DNS, VPN), multi-account landing zones, disaster recovery, cost optimization (FinOps), security guardrails (SCPs, SSO)
- Automation & delivery: Terraform, CloudFormation, Docker, GitHub Actions, Python & Bash, Linux
Certifications & Education
- B.S. Information Technology, University of South Florida — May 2019
- AWS Certified Solutions Architect – Professional — Jan 2024
- AWS Certified Security – Specialty — Jun 2025