SIGFREDO CRESPO

Professional Summary

Navy Veteran and IT graduate with experience implementing, maintaining, and administering public, private and hybrid cloud platforms (AWS, Azure, Digital Ocean). Installation, configuration, deployment, and troubleshooting of systems and networks. Extremely detailed, organized, and proficient at identifying, resolving, and documenting critical system/network related issues. Possess excellent teamwork, communication and collaboration skills, and superb customer service abilities.

AWS Cloud Practitioner

SAFe

• Designed, installed, and configured web and database server systems using automation scripts and software Established enterprise authentication, network security, and risk assessment with multiple integrated servers Created and established deployable LAMP stack using Docker containers and Kubernetes clusters Developed written SLA for servicing requirements, monitoring, and reporting procedures Deployed scalable cloud-based systems to meet increased performance requirements through the implementation of Cloud storage, APIs, system capacity, and performance management best practices Applied infrastructure security concepts (STIGS and NIST) to protect network infrastructures from intrusion Public Cloud-Based Network - Successfully deployed a 3-tier public cloud-based network within AWS and Digital Ocean, using HAproxy as a front-end load balancer, multiple Apache backend servers running MySQL database. DISA STIG System Hardening - Developed an Ansible script to fully automate DISA STIG implementation on multiple Linux servers including WordPress on Digital Ocean network. Scripting - Developed multiple Ansible scripts to automate the deployment of multiple Linux servers on AWS and Digital Ocean cloud service platforms. System Performance Monitoring - Initiated stress tests and created alerts for server status and failures. The tests were conducted using Zabbix, Monitis and SolarWinds on Windows and Linux servers.