Automatic Train Control (ATC) Technician: San Juan, Puerto Rico

ACI-Herzog is seeking Automatic Train Control (ATC) Technicians to work on the Tren Urbano system in San Juan, Puerto Rico. Tren Urbano is a rapid transit system, comprised of 10.7-miles and 16 stations, serving the municipalities of San Juan, Guaynabo, and Bayamon in Puerto Rico. Tren Urbano is central part of the public transportation network, serving multiple universities and technical colleges, major medical centers, the city’s financial district, entertainment venues and many residential neighborhoods.


Performs complex diagnosis, troubleshooting, preventive and corrective maintenance of the following system or equipment: Automatic Train Control Operations and other related devices.

ESSENTIAL DUTIES AND RESPONSIBILITIES include, but are not limited to the following:

  • Assist ATC Supervisor in all facets.
  • Work with equipment operators to ascertain problems with the equipment and determine if breakdown is due to human error or mechanical problems.
  • Perform safety inspections/tests of train control equipment. Report all deficiencies found during inspections, and perform preventive and corrective maintenance.
  • Test faulty equipment and applies knowledge of functional operation of electronic units and systems to diagnose cause of malfunction.
  • Test electronic components and circuits to locate defects.
  • Replace defective components and wiring and adjust mechanical parts.
  • Align, adjust, and calibrate equipment according to specifications. Calibrate testing instruments.
  • Provide written technical documentation of analysis/diagnosis of procedures and/or malfunctions.
  • Maintain documentation of repairs, calibrations, and testing through a maintenance management application.
  • Program or flash required for WCU, MCP, and Beacons, etc.
  • Use computer to copy programs from one electronic component to another, or to draw, modify, or store schematics.
  • Perform other duties as assigned.


This position has no supervisory responsibilities.


To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the specific knowledge, skills, and/or abilities required.

Education and/or Experience

Associate’s degree from an accredited college or university and at least four (4) years of related work experience. Extended work experience may be substituted for educational credentials if appropriate.

Language Skills

Ability to speak, read and write both Spanish and English in a work setting.

Ability to read, analyze and interpret common scientific and technical journals, financial reports, and legal documents. Ability to respond to common inquiries or complaints from customers, regulatory agencies, or members of the business community. Ability to write speeches and articles for publication that conform to prescribed style and format. Ability to effectively present information and respond to questions from groups of managers, clients, customers and the general public.

Mathematical Skills

Ability to work with mathematical concepts such as probability and statistical inference, and fundamentals of plane and solid geometry and trigonometry. Ability to apply concepts such as fractions, percentages, ratios, and proportions to practical situations.

Reasoning Ability

Ability to solve practical problems and deal with a variety of concrete variables in situations where only limited standardization exists. Ability to interpret a variety of instructions furnished in written, oral, diagram, or schedule form.

Certificates, Licenses, Registrations

Possession of a valid driver’s license in the appropriate class and any other certificates, licenses and registrations as required by law to perform the specified functions.

Physical Demands

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.

The employee must be able to distinguish between visual colors.

While performing the duties of this job, the employee is regularly required to stand, walk, sit, reach with hands and arms, and talk or hear. The employee must frequently lift and/or move up to 50 pounds. Specific vision abilities required by this job include close vision and ability to adjust focus.

Work Environment

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job.

While performing the duties of this job, the employee is regularly exposed to wet and/or humid conditions; moving mechanical parts; high, precarious places; fumes or airborne particles; toxic or caustic chemicals; outside weather conditions; and risk of electrical shock. The noise level in the work environment is occasionally loud.

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Alternate Concepts Inc is currently searching for qualified candidates to fill the Rail Transit Facilities Engineering Intern position. All interested parties should submit a cover letter and resume to