Summary
Overview
Work History
Education
Skills
Timeline
Generic

Alejandro Castellanos

MANOR,TX

Summary

Field technician with hands-on experience working with utility infrastructure, field inspections, and technical installations across residential and commercial environments. Skilled in operating field equipment, collecting and documenting site data, and troubleshooting infrastructure issues. Experienced working outdoors in demanding conditions while maintaining accuracy and safety. Seeking to apply field operations and technical experience toward a career in land surveying, with the long-term goal of becoming a Registered Professional Land Surveyor (RPLS)

Overview

11
11
years of professional experience

Work History

Service Technician

AT&T
Austin, TX
03.2025 - Current
  • Conduct field inspections and site evaluations during installation and repair of fiber optic infrastructure.
  • Interpret engineering instructions and translate them into accurate field installations.
  • Identify and assess existing utility pathways and service locations in residential and commercial environments.
  • Operate specialized testing equipment, diagnostic tools, and digital field devices.
  • Perform troubleshooting and field analysis to identify infrastructure and network issues.
  • Maintain detailed documentation of service locations, equipment configurations, and completed installations.
  • Work in outdoor environments, confined spaces, and elevated locations while adhering to strict safety protocols.
  • Support engineering and operations teams by communicating field findings and installation requirements.

Utility Meter Technician

City of Manor
Manor, TX
06.2024 - 03.2025
  • Collected and recorded precise field readings and measurements for residential and commercial water utility meters.
  • Conducted route-based inspections of municipal utility infrastructure.
  • Investigated irregular readings and infrastructure issues and reported findings to supervisors.
  • Evaluated meter installations and conditions to ensure accurate system functionality.
  • Prepared operational reports and maintained accurate documentation of field observations.
  • Operated service vehicles and field tools while performing outdoor work across city properties.
  • Provided customer service while interacting with property owners and municipal customers.

Service Technician

AT&T
Austin, TX
01.2023 - 06.2024
  • Conduct field inspections and site evaluations during installation and repair of fiber optic infrastructure.
  • Interpret engineering instructions and translate them into accurate field installations.
  • Identify and assess existing utility pathways and service locations in residential and commercial environments.
  • Operate specialized testing equipment, diagnostic tools, and digital field devices.
  • Perform troubleshooting and field analysis to identify infrastructure and network issues.
  • Maintain detailed documentation of service locations, equipment configurations, and completed installations.
  • Work in outdoor environments, confined spaces, and elevated locations while adhering to strict safety protocols.
  • Support engineering and operations teams by communicating field findings and installation requirements.

Material Handler

Tesla
Austin, TX
11.2022 - 01.2023
  • Supported production operations by locating, transporting, and organizing materials across warehouse and manufacturing environments.
  • Utilized digital inventory systems to track materials and maintain accurate records.
  • Coordinated logistics and material flow to support manufacturing operations.
  • Ensured proper packaging and documentation of outgoing materials and shipments.

Credentialing Specialist

CMG EMD
Remote
12.2021 - 11.2022
  • Managed credentialing and compliance verification processes for healthcare providers.
  • Conducted detailed research and primary source verification of licensing and certification data.
  • Maintained accurate databases and documentation systems.
  • Identified discrepancies and ensured compliance with regulatory standards.

Medical Bill Review Analyst / Claims Assistant

Texas Municipal League Intergovernmental Risk Pool
Austin, TX
04.2015 - 11.2021
  • Reviewed and analyzed claims data using specialized systems and databases.
  • Entered and verified financial and medical billing data.
  • Communicated with providers and clients to resolve discrepancies.
  • Maintained strict confidentiality and regulatory compliance.

Education

High School Diploma -

Bartlett High School
Bartlett, TX

Skills

  • Field Data Collection Utility Infrastructure Inspection Route-Based Field Operations Technical Equipment Operation Field Documentation & Reporting Infrastructure Troubleshooting Outdoor Field Work & Site Access Customer & Stakeholder Communication Data Entry & Documentation Safety Compliance & Procedures Microsoft Office (Excel, Word) Fluent Spanish

Timeline

Service Technician

AT&T
03.2025 - Current

Utility Meter Technician

City of Manor
06.2024 - 03.2025

Service Technician

AT&T
01.2023 - 06.2024

Material Handler

Tesla
11.2022 - 01.2023

Credentialing Specialist

CMG EMD
12.2021 - 11.2022

Medical Bill Review Analyst / Claims Assistant

Texas Municipal League Intergovernmental Risk Pool
04.2015 - 11.2021

High School Diploma -

Bartlett High School