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Job Summary The Electrical Maintenance Services Technician (EMST) primary responsibility is to coordinate campus-wide electrical system distribution testing and maintenance support services. The EMT shall be knowledgeable and experienced in the conduct of electrical tests on power distribution and utilization equipment. Experience shall include the safe inspection, evaluation and testing of existing and newly-installed switchgear, circuit breakers (air, vacuum, oil, and SF6 gas types), electrical bus networks, cables, protective relaying, metering, power transformers, instrument transformers, motors, surge arresters, capacitors, motors, generators, transfer switches, batteries, and control systems, with reference to applicable standards such as the International Electrical Testing Association ANSI/NETA Acceptance and Maintenance standards, NFPA 70B and other industry accepted standards and practices.
EMST certified individuals serve as hands-on field testing Service Managers. This position shall be trained and well skilled in areas concerning the hazards, components, nominal voltages, operating characteristics, and limitations of electrical power and electrical power systems.
The EMST works collaboratively with the Facilities Operations, Design and Construction, Senior Electrical Engineer, Senior Mechanical Engineer, the Campus Inspector, campus electrical personnel, campus instrumentation personnel, campus fire alarm shop personnel and central plant personnel, and Environment, Health, and Safety.
As a member of the Maintenance Management Team, the Electrical Maintenance Services Technician reports to the Manger of the MEPC shops.
Job Duties The EMST job duties include: - Participates in updating and implementing the Electrical Maintenance Program - Makes recommendations for and oversees the testing and maintenance of electrical power equipment by campus personnel and contracted service providers - Reviews, tests, conducts inspections and evaluates the suitability of electrical power equipment and systems for the intended use - Manages electrical maintenance and corrective projects with crews but can work independently - Individual may coordinate complex investigations, tests, and evaluations, and prepares written reports as needed - Reviews construction and renovation projects for proper installation of electrical equipment - Insure installations and designs are compliant to electrical code, OSHA regulations and Caltech Design Guideline - Consults with campus research customers to determine laboratory power requirements and provide requested services while meeting safety, code and budgetary requirements - Work with a qualified electrical engineering firm to perform shock and arc flash risk assessments and short circuity fault/device coordination studies are performed - Provide technical support for Caltech's electrical safe work program - Develops safe work practices - Complies with all safety policies and regulations including the use of proper PPE - Familiar with arc flash regulations and proper protection - Follows safe work practices in regard to hazardous materials and recognize confined space and its hazards - Maintain accurate arc flash hazard warning labels on existing, modified, and new electrical installations - Evaluates faulty equipment to diagnose malfunctions, using test equipment or software, and applying knowledge of the functional operation of industrial units and systems - Coordinates testing required to identify, locate, and correct electrical circuit abnormalities - Verifies correct techniques to clean, visually inspect, torque, and lubricate electrical assemblies and components; This includes racking, handling, and insertion of breakers and contactors - Inspects components of industrial equipment for accurate assembly and installation or for defects, such as loose connections or frayed wires - Identify the types, classification, and application of transformers and electrical circuits used as temporary or emergency power sources - Understand the differences between dry-type, cast-coil, and liquid-filled transformers - Understand the application of power substation, distribution, instrument, and control transformers - Plans scheduled preventive and predictive maintenance tasks, such as checking, cleaning, or repairing equipment, to detect and prevent problems - Responds to corrective maintenance calls - Oversees the in-house repair of defective equipment or arrange to have the defective unit(s) returned to the manufacturer or to a specialized repair shop for repair - Directs the disassembly, inspection, overhaul and replacement of parts of motors, generators, motor generators, exciters and transformers, cleaning, adjusting, lubricating and checking work for satisfactory operation - Reviews tests and inspects insulation on electrical equipment - Performs or coordinates work by others doing insulation testing, on conductors, oil filled transformers, and other electrical devices - Monitors or assists in the installation, maintenance and renewal of cable, bus bar, overhead conductors, riser, jumpers, insulators, supports and bushings - Analyzes and troubleshoots electrical malfunctions in equipment and related components, diagnosing and correcting the problems - Maintain documentation such as training records and electrical reports, to demonstrate compliance with the Electrical Safety Program - Conduct field audits per the auditing section of Electrical Safety Program - Performs other duties as assigned
Basic Qualifications - High school diploma or equivalent - The candidate shall have a minimum of ten years of experience in the electrical component maintenance and testing industry - Shouold have a minimum of 40 hours additional documented safety training/certification through one or multiple OSHA approved trainers - Ability to specify, select and safely utilize test equipment such as insulation resistance and power-factor measuring equipment, Digital Low Resistance Ohmmeters (DLRO), circuit breaker test equipment, transformer turns ratio and winding resistance test equipment, high potential test equipment, grounding systems test equipment, infrared (IR) survey instruments, metering and relaying test equipment, for example. - The candidate should also be proven to be able to conduct training of others to perform field testing, review data, evaluate equipment condition and prepare reports / maintain testing records as required by relevant standards - Familiar and experienced in proper selection and use of electrical and other PPE, as well as be able to define approach boundaries, arc-flash boundaries, establish and enforce lock-out/tag-out policies, confined space work practices, and safe handling of materials utilized in the trade - Working knowledge of electro-mechanical (i.e., motors, generators, etc.) equipment technology and applications, 120V single phase and 480V 3-phase circuits, programmable logic control equipment, operations and programming, electrical protective devices, low, medium and high voltage switchgear equipment, technology, maintenance and servicing, motor control centers and 4160 equipment - Perform, interpret, and evaluate standard insulation power-factor/dissipation-factor tests on electrical power equipment, including transformers, breakers, cables, bushings, rotating equipment, and insulating liquids - Ability to work any shift and work overtime including daily, weekend, and holidays - Solve mathematical problems requiring simple addition, subtraction, multiplication, division, and raising numbers to exponential powers; Round to the appropriate number of significant digits, calculate percentages, read graphs, and use simple geometric definitions and formulas - Strong English oral and written communication skills are required; Use correct punctuation, vocabulary, spelling, and sentence structure and follow written instructions
Preferred Qualifications - B.S. Engineering - NETA Certification - Possess a minimum of 40 hours additional documented safety training/certification through one or multiple resources including but not limited to OSHA, vendor training certification, factory training, certified school trade and or other field related entities/organizations - Superior problem solving skills - Ability to multi-task and make appropriate decisions about prioritizing assignments - Experience in the installation, maintenance, servicing and troubleshooting of industrial electrical power distribution and control systems - Computerized Maintenance Management Systems experience
We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.
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