Jose Valdivia
Las Vegas
Summary
Linux-focused systems administrator with 5+ years of progressive experience at T-Mobile in large-scale telecom infrastructure. Advanced in Red Hat Enterprise Linux (RHEL), strong in AIX, with strong VMware and HPE server hardware expertise. Experienced in troubleshooting hardware failures, coordinating part replacements with on-site data center technicians and vendors, and managing system deployments. Eager to leverage structured problem-solving, TCP/IP fundamentals, and quick-learning ability in hands-on network implementation and data center deployment roles.
Overview
7
7
years of professional experience
Work History
Systems Administrator (Tier 2)
T-Mobile
01.2023 - Current
- Performed advanced troubleshooting and escalation for system performance, connectivity, and hardware-related incidents in enterprise telecom environments.
- Coordinated with on-site data center technicians, Dell and HPE engineers to diagnose and replace faulty components (system boards, drives, DIMMs, CPUs), minimizing downtime.
- Collaborated with cross-functional teams, including networking specialists, to resolve complex issues and implement fixes.
- Maintained detailed documentation of configurations, hardware changes, processes, and resolutions.
Systems Administrator (Tier 1)
T-Mobile
01.2021 - 01.2023
- Provided frontline support for system, connectivity, and hardware issues using TCP/IP diagnostics, VMware tools, and remote access.
- Assisted in testing, deploying, and validating infrastructure updates across virtual and physical server environments.
- Managed high-volume ticket triage, escalation, and coordination with vendors for hardware support.
Apprentice Associate Technician
T-Mobile
01.2020 - 01.2021
- Developed foundational skills in systems administration, including Linux/Unix/AIX/Windows, VMware virtualization, HPE server hardware, and structured troubleshooting in telecom data centers.
Credit Representative II
Sprint
01.2019 - 01.2020
- Utilized Cisco Finesse VoIP systems for issue resolution and cross-departmental coordination.
- Troubleshot discrepancies and documented processes with accuracy and attention to detail.
Education
High School Diploma -
Arbor View High School
Las Vegas, NV01.2015
Skills
- Operating Systems & Virtualization: Red Hat Enterprise Linux (RHEL) - Advanced AIX - Strong VMware - Strong Windows - Basics
- Hardware & Infrastructure: HPE Servers (ProLiant/Synergy) Component-level troubleshooting (system boards, drives, DIMMs, CPUs) Data center coordination
- Networking & Tools: TCP/IP fundamentals Basic connectivity troubleshooting Cisco Finesse VoIP Ticketing/escalation systems Remote support tools
- Professional: Vendor/technician coordination System deployment & testing Documentation Cross-team collaboration Quick learner in large-scale operations
Websites
Timeline
Systems Administrator (Tier 2)
T-Mobile
01.2023 - Current
Systems Administrator (Tier 1)
T-Mobile
01.2021 - 01.2023
Apprentice Associate Technician
T-Mobile
01.2020 - 01.2021
Credit Representative II
Sprint
01.2019 - 01.2020
High School Diploma -
Arbor View High School