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Tech System Protection 1

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Date: Jan 7, 2021

Location: San Antonio, TX, US, 78205

Company: CPS Energy

We are engineers, high line workers, power plant managers, accountants, electricians, project coordinators, risk analysts, customer service operators, community representatives, safety and security specialists, communicators, human resources partners, information technology technicians and much, much more. We are 3,300 people committed to enhancing the lives of the communities we serve.  Together, we are powering the growth and success of our community progress every day!

Position Summary

System Protection Technician maintains the integrity and reliability of the CPS Energy Generation, Transmission, and Distribution System by maintaining, testing, and repairing protective devices that monitor the power system 24 hours a day.  The System Protection Technician works with and coordinates with many different departments to ensure all components in the power system work with each other to provide CPS Energy with the necessary infrastructure to provide reliable energy. The technician will be responsible for commissioning 13kV to 345kV Bus, Transformer and Breaker protection schemes at Substations and Power Plants. Identify and correct drawings that are inaccurate of said equipment/protective schemes found during the commissioning process. Technicians will test, maintain, repair Electromechanical, solid state, and microprocessor relays from various manufacturers. Technicians in this position must have a strong working knowledge of the roles and responsibilities of various associated work groups and is ultimately responsible that these work groups have completed their work before any new or upgraded equipment is placed in service. 


Qualifications may warrant placement in a different job level.


Deadline to apply, January 31, 2021.


Tasks and Responsibilities

  • Tests and troubleshoots Protective Relay Schemes for Transmission, Distribution, and Generation circuits.
  • Installs, tests and R&D new relays and schemes that are new to the system.
  • Tests and maintains All New and Existing Protective Relay and Control equipment to include testing the condition of the insulation of current transformers.
  • Repair and troubleshoot relay failures in both Substations and Power Plants 24/7.
  • Commissioning of new and upgraded substation protective equipment and protective schemes.
  • Maintains the substation drawing prints and relay settings.
  • Performs acceptance tests for complete substation protective relaying schemes.
  • Diagnosis of relay event data when responding to system trouble.
  • Makes recommendations on test procedures to accommodate new protective relaying schemes.
  • Makes design changes to new and existing schemes.
  • Recommends test procedures for new styles of relays.
  • Develops automatic computerized test routines.
  • Commissions and troubleshoots Transformer Paralleling schemes.
  • Reviews schematic drawings to include A.C., D.C., wiring diagrams, interconnect drawings, etc. and determine whether they are consistent with CPS design philosophy and make corrections in the field with minimum supervision.
  • Recommends engineering design changes of manufacturers equipment and implement once approved.
  • Provides analysis of the operation of the CPS electric system after a major disturbance and provide recommendations regarding the proper operation of the electric system.
  • Commissions mobile unit installations at times under stressful conditions.
  • Repairs various items such as electromechanical relay components and electronic circuit boards as well as other similar items.
  • Uses a fault recorder to diagnose the proper operation of protective relay schemes and in the electric system.
  • Performs installation acceptance and routine maintenance of fault recorders.
  • Reviews the work of private contractors during substation and power plant construction to insure that CPS's standards are met.
  • Coordinates (synchronize efforts) between the system operator, substation construction, meter section, system test section, communications dept., overhead operations, overhead construction, underground construction, substation design, substation maintenance, production dept., planning division, and customers, to insure that jobs are completed with the least amount of disruption to customers or the electric system and that jobs are completed in a safe and timely fashion.  This requires a good understanding of the responsibilities and job practices of all the departments listed above.
  • Performs other duties as assigned, such as temporary system modifications, event retrieval for analysis, create automated testing procedures, and Root Cause Analysis investigations
  • Perform 24-7 Call-Duty on a rotational basis to determine equipment condition during outages and to respond to abnormal system conditions.
  • Perform Federally Mandated (NERC) testing on Protection Systems according to NERC PRC-005 standards and document results.
  • Perform all tasks in inclement weather and around high voltage environments.
  • After hours college courses and/or Vendor training is required for advancement within the department
  • Perform other duties as assigned.

Minimum Skills

Minimum Knowledge and Abilities

Must have strong technical and critical thinking skills
Must pass NERC/CIP (North American Electric Reliability Corporation/Critical Infrastructure Protection) background checks, training, and continuing education in guidelines, standards and policies.
Basic skills in Microsoft Office Package, including word processing, spreadsheets, database, presentation software, internet, electronic mail and scheduling.
Ability to perform technical mathematical functions.
Ability to read, write, and understand technical instructions
Effective interpersonal skills and written communication skills to work with all levels of personnel within the organization
Ability to distinguish colors to identify electronics components and wiring.
Ability to work overtime, including weekends and call duty.
Must have a high level of information retention and attention to detail.
High level of accuracy of work and attention to detail, to include the ability to perform precise mathematical calculations
Possess a valid driver’s license with a history of a safe driving record in accordance with CPSE policies, procedures, safety standards, and applicable laws and regulations

Preferred Qualifications

  • Associates degree in Electrical Engineering, Electronics technology, Engineering technology, Mathematics, Avionics or electronics / electrical related field
  • Strong mathematical background minimum equivalent of Pre-Calculus
  • Understanding of System Protection Theory and the interrelationship of individual relay schemes is preferred
  • Previous experience in relay testing
  • Previous electric or electronics trade


Demonstrating Tenacity and Perseverance
Building and Supporting Teams
Serving Customers
Displaying Technical Expertise
Accepting Responsibility
Delivering High Quality Work

Minimum Education

High School Diploma or GED

Required Certifications

Working Environment

Work is performed indoors & outdoors. Manual dexterity, talking, hearing, and repetitive motion. Use of computing equipment, telephone, & printer/copier. Ability to travel to and from business related events. After hours work may be required.
Large majority of the work is conducted in the field in high voltage (up to 345kV) substations and power plants, in all weather conditions, noisy and dusty environments, and at times under intense pressure or scrutiny during emergency or outage situations.

Physical Demands

Exerting up to 55 pounds of force occasionally, and/or up to 20 pounds of force frequently, and/or up to 10 pounds of force constantly to move objects.
This job requires climbing ladders and equipment, carrying heavy equipment, frequent moving including up and down stairs, etc., and the ability to work with basic hand and power tools.

CPS Energy does not discriminate against applicants or employees. CPS Energy is committed to providing equal opportunity in all of its employment practices, including selection, hiring, promotion, transfers and compensation, to all qualified applicants and employees without regard to race, religion, color, sex, sexual orientation, gender identity, national origin, citizenship status, veteran status, pregnancy, age, disability, genetic information or any other protected status. CPS Energy will comply with all laws and regulations.

Nearest Major Market: San Antonio

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