Alberto Fajardo
Garland,TX
Summary
Professional technician with strong technical skills and focus on data center operations. Adept at troubleshooting hardware and software issues, ensuring optimal system performance and uptime. Highly reliable team player with strong emphasis on collaboration and adaptability to changing needs. Valued for problem-solving abilities, effective communication, and consistent delivery of results.
Overview
11
11
years of professional experience
Work History
Data Center Technician IV (ML Liquid Cooled Operations)
AWS
04.2025 - Current
- Lead technical operations for AI/ML infrastructure utilizing liquid cooling systems supporting high-density GPU compute environments in the DFW region
- Oversee deployment, troubleshooting, and ongoing maintenance of GB200 liquid-cooled rack systems, ensuring optimal thermal management and coolant flow diagnostics
- Collaborate with cross-functional teams and third-party vendors to coordinate material delivery, system bring-up, QA testing, and handover to production operations
- Develop and implement operational workflows and standard operating procedures for liquid-cooled data center equipment, improving time to market and equipment availability
- Train and mentor new technicians on GB200 servers, liquid-cooled server architecture, safety protocols, and advanced troubleshooting procedures
- Support network infrastructure build-out including 400GbE fabric interconnects, InfiniBand networking, and high-bandwidth storage arrays for ML workloads
- Maintain detailed troubleshooting logs and technical documentation to support traceability and operational excellence
- Participate in on-call rotation providing 24/7 support for mission-critical AI/ML systems
Edge Data Center Operations II
AWS
04.2021 - 04.2025
- Worked with cross-functional teams to resolve emergent data center issues related to logistics, security, infrastructure, and networking
- Coordinated remote hands support and vendors to complete scaling projects
- Cross-trained as part of a team supporting the 5 main stages of deployment at varying degrees: Physical Design, Procurement, Build, Support, and Decommission
Technical Support Tech II
AWS
07.2019 - 04.2021
- Used networking and system administration experience/skill sets to effectively support local site infrastructure operations and reliability
- Troubleshoot/mitigated network link and span errors/outages at the LAN/WAN level relying on knowledge of DNS, DHCP, HTTP, SMTP, and TCP/IP
- Wrote standard operating procedures and technical documentation
- Worked in an environment that operates 24/7 with an ability to participate in on-call rotation and provide after-hours support as needed
- Acted as an escalation point to complex issues, clearly communicating the troubleshooting steps taken and the business impact
- Coached and mentored junior team members and peers
Technical Support Tech I
AWS
05.2017 - 07.2019
- Diagnosed and troubleshot server and network hardware, including switches, load balancers, DWDM devices, and wireless access points
- Worked with troubleshooting utilities based in Linux-based operating systems
- Performed detailed project work maintaining security vigilance and adherence to best practices and standards
- Worked autonomously to resolve most support issues maintaining troubleshooting logs and documentation for data centers averaging 60,000 servers and 8,000 networking devices.
Support Engineer
Sysol LP
12.2014 - 04.2016
- Broke down and evaluated user problems, using test scripts, personal expertise and probing questions
- Operated as part of a team that worked on fiber and copper cabling deployments, retrofits, and de-installs
- Received organizational awards for quality of customer service
Education
Bachelor of Science - Computer Science
The University Of Texas At El Paso
El Paso, TX05.2014
Skills
- AI/ML Infrastructure Operations: High-density GPU compute environments, liquid cooling systems, GB200 rack deployment
- Data Center Operations: 7 years managing mission-critical systems, deployment, maintenance, troubleshooting
- Networking Troubleshooting: 400GbE fabric interconnects, InfiniBand, BGP routing, DNS, DHCP, TCP/IP, LAN/WAN
- System Administration: Linux-based operating systems, command-line utilities, server hardware diagnostics
- Technical Leadership: Team mentoring, training development, escalation management, cross-functional collaboration
- Documentation & Process: SOP development, technical documentation, workflow optimization, traceability systems
- Vendor & Partner Management: Third-party coordination, material delivery oversight, remote hands support
- Hardware Expertise: Switches, load balancers, DWDM devices, wireless access points, thermal management systems
- Project Management: Physical design, procurement, build, support, and decommission lifecycle stages
- 24/7 Operations: On-call rotation, after-hours support, incident management for critical infrastructure
Languages
English
Native or Bilingual
Spanish
Native or Bilingual
Timeline
Data Center Technician IV (ML Liquid Cooled Operations)
AWS
04.2025 - Current
Edge Data Center Operations II
AWS
04.2021 - 04.2025
Technical Support Tech II
AWS
07.2019 - 04.2021
Technical Support Tech I
AWS
05.2017 - 07.2019
Support Engineer
Sysol LP
12.2014 - 04.2016
Bachelor of Science - Computer Science
The University Of Texas At El Paso