Antonio Baltazar

Cloud Architect / DevOps Engineer / Systems Administrator / Developer

Automation obsessed, dynamic and detail-oriented DevOps Engineer with a proven track record of collaborating with developers and IT staff to ensure the success of code releases and maximize productivity. Extensive experience supporting on-premise, cloud, and hybrid infrastructures. Highly skilled in architecting scalable web system infrastructures.


Experience

Sr Cloud Engineer

April 2022 - Present

Cloud DevOps Engineer

  • Supported multi-region, on-premise Apache Mesos and Kubernetes based production infrastructures.
  • Was part of the engineering team that architected and migrated large scale Apache Mesos private cloud to Kubernetes.
  • Architected Containers as a service solutions.
  • Integrated and administered private cloud and AWS cloud solutions.
  • Created and extended infrastructure and application deployment automation using Ansible and Terraform.
  • Wrote numerous internal automation tools to improve team efficiency¬†and collaboration.
December 2019 - December 2021

Systems Administrator

  • Migrated on-premise infrastructure to AWS.
  • Designed fault-tolerant environments.
  • Streamlined developer workflow for rapid development and deployments; using tools like Vagrant, docker-compose, and Git.
  • Automated system deployments and changes using tools like Ansible, Terraform, and CloudFormation.
  • Containerized all core web applications.
  • Worked on improving application performance (CDN services, Varnish and Memcached caching, Apache and PHP optimization, and application profiling).
  • Created CI/CD processes with regression testing, allowing for deployments with zero downtime.
  • Implemented a wide variety of custom application and system monitoring solutions.
September 2013 - July 2019

Data Center Operations Administrator / Systems Administrator

  • Collaborated with the Network and System Engineering teams to ensure smooth and reliable operations at all times.
  • Provided Level 2 support; assisted, and mentored Level 1 Tech Support Specialists.
  • Monitored services across thousands of machines (physical and virtual) via Nagios.
  • Perl programming using custom in-house APIs to proactively identify and fix services.
  • Solaris 11 System Administration; Large scale ZFS backup storage nodes.
  • ZFS pool and traditional hardware RAID rebuilds.
  • Racked and provisioned new physical servers.
November 2012 - September 2013

Systems Administrator

Pictage, Inc.
  • Responsible for all backup and restore operations.
  • Oversaw complex systems infrastructure in order to fix or escalate any issues immediately as they occurred.
  • Troubleshooted proprietary photography applications running on Linux and Windows platforms.
  • Wrote custom Perl scripts to automate manual tasks.
  • Performed data center operations such as racked/unracked servers, KVMs, network cabling, and hard drive replacements.
July 2012 - October 2012

Systems Administrator

Lead Systems Administrator:
  • Administered over 50 web applications across different hosting providers. (managed and unmanaged)
  • Implemented proper security access controls, monitoring, alerting and reporting of the existing system infrastructure.
  • Migrated on-premise infrastructures to AWS or other managed hosting solutions.
  • Designed, tested, and implemented custom backup solutions.
  • Architected and documented new and existing system infrastructures (development and production).
  • Custom Apache web server configurations.
  • SSL certificate management through all major Certificate Authorities.
  • Primarily used PHP, Perl, and Bash for all custom scripting solutions.
  • Monitored MySQL servers; created, restored databases/tables as needed.
  • DNS administrator: BIND and web portals.
  • Custom mail server configurations using Exim, Sendmail, Postfix, and Sendgrid.
  • Occasional backend PHP web programming.
Desktop/IT Support:
  • Responsible for all office IT operations.
  • LAN/WAN administrator for over 50 end-users located on multiple locations with mixed Active Directory environments.
  • Cisco ASA firewall/VPN configurations (via ASDM).
  • Mail server administrator.
June 2008 - July 2012

Education

ITT-Technical Institute San Bernardino, CA

Bachelor Degree of Science
Information Security Systems
September 2006 - September 2008

ITT-Technical Institute San Bernardino, CA

Associate Degree of Science
Computer Network Systems
June 2004 - September 2006

Skills

Programming Languages:
  • Bash / Shell
  • PHP
  • Perl
  • Ruby
  • Python
Databases:
  • MySQL / MariaDB
  • PostgreSQL
  • Memcached (distributed memory object caching)
  • Elasticsearch (distributed full-text search engine)
Configuration Management and Automation:
  • Ansible
  • Terraform
  • Kickstart
  • Vagrant
Continuous Integration / Delivery, Version Control:
  • Jenkins
  • Atlassian Bamboo
  • Git
  • Subversion
Monitoring and System Performance:
  • Nagios
  • Graphite
  • Grafana
  • ELK Stack
  • Prometheus
  • CloudWatch
  • Ganglia

Contact

root[@]antoniobaltazar.com

For the ultra paranoid:
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Key Type: RSA
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Interests

Apart from being an engineer, I'm an avid futebol (soccer) aficionado. In my spare time, I also enjoy geeking out on reading Fantasy, Mythology, History, and studying Languages (Native Spanish and English, Intermediate Portuguese).

I love keeping my skills up-to-date by continuously exploring and testing new technologies in my home lab.


Projects & Certifications


  • Microsoft Certified: Azure Fundamentals
  • Certified Kubernetes Application Developer
  • Certified Kubernetes Administrator
  • AWS Certified Cloud Practitioner
  • AWS Certified Solutions Architect - Associate
  • AWS Certified Developer - Associate
  • AWS Certified SysOps Administrator - Associate
  • CompTIA Cloud Essentials Certified Associate
  • CompTIA A+ Remote Support Certified Technician
  • CompTIA Network+ Certified Professional
  • CompTIA Linux+ Certified Professional
  • Microsoft Certified: Azure Fundamentals badge
  • Certified Kubernetes Application Developer badge
  • Certified Kubernetes Administrator badge
  • AWS Certified Cloud Practitioner badge
  • CompTIA Cloud Essentials badge
  • CompTIA A+ badge
  • CompTIA Network+ badge
  • CompTIA Linux+ badge
(Outdated):
  • Novell Certified Linux Administrator
  • Linux Professional Institute Level 1 Certified Linux Systems Administrator (LPIC-1)