Field Service Technician

Dashiell, an operating unit of Quanta Services (trading as PWR), is a leading national provider of technical and construction services supporting critical electric infrastructure. We serve electric utilities, power generation, industrial, renewable, and energy markets with integrated capabilities spanning planning and system studies, engineering and design, maintenance and testing, program management, construction, and turnkey EPC delivery.


With more than 60 years of experience executing large, complex projects, Dashiell specializes in medium- and high-voltage electrical infrastructure and delivers safe, reliable solutions across the full project lifecycle. Backed by the scale, resources, and safety culture of Quanta Services, Dashiell partners with clients to build and maintain the infrastructure that powers communities and economies. Learn more at


Primary Function

Dashiell is seeking a Field Service Technician to join our Field Services team in support of high-voltage substation and power system testing, maintenance, and commissioning operations. The selected candidate will be placed at the Field Service Technician Level I, Level II, Level III, or Senior level based on experience, qualifications, and demonstrated knowledge at the time of hire - offering a clear path for professionals at multiple points in their field services career to contribute and grow with our team. Scope of responsibility, degree of autonomy, and complexity of assignments increase with each level. The position will be based in our Port Arthur, Texas office located at 930 S Business Park Dr Port Arthur, TX 77640 and will report to Dashiell's Field Supervisor.

Duties & Responsibilities

Employee may be called upon to perform any or all of the following functions:

Level I

• Perform electrical testing and commissioning activities on high-voltage substations, switchgear, transformers, circuit breakers, and protective relay systems under close supervision.
• Perform basic electrical testing under direct guidance, including insulation resistance testing, contact resistance testing, turns ratio testing, power factor testing, and circuit breaker timing tests.
• Assist with protective relay testing and calibration using microprocessor-based relay test equipment (e.g., Doble, Megger, Omicron).
• Assist with testing and inspection of power apparatus including power transformers, current transformers, potential transformers, and medium- and high-voltage switchgear.
• Support testing and maintenance of low-voltage AC/DC systems including station batteries, battery chargers, inverters, DC distribution panels, and AC distribution systems under direct supervision.
• Support equipment start-ups and energization activities by preparing test equipment, running cables, and recording test data as directed.
• Maintain accurate and organized test documentation, field notes, and equipment logs under supervision.
• Follow all safety procedures and protocols, including proper use of PPE, lockout/tagout procedures, and adherence to NFPA 70E and OSHA standards.
• Participate in Job Safety Task Analyses (JSTAs) and safety briefings prior to work activities.
• Develop technical knowledge through on-the-job training, mentorship, and self-directed study of industry standards and equipment manuals.

Level II

• Independently perform standard electrical testing and commissioning activities on high-voltage substations, switchgear, transformers, circuit breakers, and protective relay systems with limited supervision.
• Execute a full range of standard test procedures including insulation resistance, contact resistance, turns ratio, power factor, hi-pot, and circuit breaker timing tests.
• Perform protective relay testing and calibration on microprocessor-based relay systems (e.g., SEL, ABB, Siemens, GE) using industry-standard test equipment.
• Perform testing and commissioning of power apparatus including power transformers, current transformers, potential transformers, medium- and high-voltage circuit breakers, and switchgear assemblies.
• Independently perform testing and maintenance of low-voltage AC/DC systems including station batteries, battery chargers, inverters, DC distribution panels, and AC distribution systems.
• Perform electrical calculations including transformer turns ratios, power factor corrections, and relay/metering circuit verification.
• Interpret electrical drawings, schematics, one-line diagrams, and wiring diagrams; redline drawings to reflect field conditions as needed.
• Prepare detailed test reports and commissioning documentation with accuracy and completeness; submit reports with minimal revision required.
• Lead smaller-scope field assignments and task-level work activities, coordinating with field crew members as needed.
• Provide guidance and mentorship to junior field staff on testing procedures, safety practices, and documentation standards.

Level III

• Lead complex electrical testing and commissioning activities on high-voltage substations, switchgear, transformers, circuit breakers, and protective relay systems with minimal supervision.
• Execute advanced test procedures including insulation resistance, contact resistance, turns ratio, power factor, hi-pot testing, circuit breaker timing tests, and cable fault location.
• Perform advanced protective relay testing and calibration on microprocessor-based relay systems, including complex protection schemes such as bus differential, transformer differential, and line distance relaying.
• Lead testing and commissioning of power apparatus; diagnose and resolve complex apparatus test anomalies.
• Lead testing, commissioning, and troubleshooting of low-voltage AC/DC station auxiliary systems including batteries, chargers, inverters, distribution panels, and voltage regulation controls.
• Perform and verify electrical calculations including transformer turns ratios, power factor corrections, relay/metering circuit verification, and fault current analysis.
• Apply independent technical judgment to diagnose and resolve testing anomalies, equipment issues, and root cause analysis of test failures.
• Understand and apply advanced switching concepts and procedures for high-voltage equipment, including development of switching orders when required.
• Prepare comprehensive test reports and commissioning documentation to the highest quality standards; validate reports and test data produced by field crew members.
• Serve as the technical point of contact for assigned projects, interfacing with Field Supervisors, Project Managers, Engineering, and clients on testing scope and technical issues.
• Provide guidance and mentorship to junior and developing field staff on advanced testing procedures, troubleshooting techniques, and professional development.
• Support proposal and estimating teams with technical input on testing scope, durations, and equipment requirements for new project pursuits.

Senior Level

• Direct and oversee all field testing, commissioning, and maintenance activities on assigned projects, ensuring adherence to scope, schedule, quality, and safety standards.
• Lead and manage field crews of multiple technicians across concurrent testing and commissioning engagements.
• Serve as the primary client-facing representative in the field, maintaining professional communication and alignment of expectations throughout the project lifecycle.
• Plan and coordinate daily work activities, crew assignments, and resource allocation to maximize productivity and project efficiency.
• Perform and direct the execution of all levels of electrical testing and full system commissioning, and direct testing and commissioning of all power apparatus and station auxiliary systems.
• Exercise expert-level technical judgment to diagnose complex equipment issues, resolve testing anomalies, and direct root cause analysis.
• Develop and review switching orders, test procedures, and commissioning plans for assigned projects.
• Conduct and lead Job Safety Task Analyses (JSTAs), daily safety briefings, and safety stand-down meetings; enforce all safety procedures and protocols.
• Review and approve all test reports, commissioning documentation, and quality deliverables produced by assigned crew members.
• Provide formal mentorship, training, and performance feedback to Field Service Technicians at all levels; support onboarding of new field personnel.
• Coordinate with Project Managers, Engineering, and the Field Supervisor to resolve technical issues, manage scope changes, and maintain project momentum.
• Support proposal and estimating teams with technical input on testing scope, crew requirements, durations, and equipment needs for project pursuits.
• Perform special projects and complete other duties as assigned or requested.

How You Will Make an Impact

• Ensure the safe, accurate, and timely testing and commissioning of critical substation and power system equipment across every level of the technician track.
• Protect client and company assets by identifying and resolving equipment issues before energization, with escalating technical judgment at each level.
• Build a pipeline of field talent by progressing technicians through increasing levels of technical responsibility and crew leadership.
• Strengthen client confidence in Dashiell's field services through consistent, professional technical performance and clear communication.
• Support project profitability and schedule performance through reliable, well-documented testing and commissioning work.

Minimum Qualifications / Experience
Required

Level I

• Associate's or Bachelor's degree in Electrical Engineering Technology, Electrical Technology, or a related technical field; equivalent field technician experience may be considered in lieu of a degree (2 years for Associate's, 4 years for Bachelor's).
• No prior professional experience required; foundational knowledge of electrical systems through education or related exposure is expected.
• Basic understanding of high-voltage electrical systems, substations, power apparatus, and power distribution equipment.
• Ability to read and interpret basic electrical drawings, schematics, and one-line diagrams.

Level II

• Associate's or Bachelor's degree in Electrical Engineering Technology, Electrical Technology, or a related technical field; equivalent field technician experience may be considered in lieu of a degree (2 years for Associate's, 4 years for Bachelor's).
• Minimum 1 year of experience in electrical testing, commissioning, or a related field service role.
• Demonstrated proficiency in standard high-voltage electrical testing procedures including insulation resistance, contact resistance, turns ratio, power factor, hi-pot, and circuit breaker timing.
• Working knowledge of protective relay testing/calibration on microprocessor-based systems, power apparatus testing, and low-voltage AC/DC station auxiliary systems.
• Ability to read and interpret electrical drawings, schematics, one-line diagrams, and wiring diagrams; proficiency in performing transformer ratio, power factor, and relay/metering calculations.
• Mathematical proficiency through trigonometry.

Level III

• Associate's or Bachelor's degree in Electrical Engineering Technology, Electrical Technology, or a related technical field; equivalent field technician experience may be considered in lieu of a degree (2 years for Associate's, 4 years for Bachelor's).
• Minimum 3 years of progressive experience in electrical testing, commissioning, or a related field service role.
• Demonstrated expertise in advanced high-voltage electrical testing including protective relay testing, power transformer testing, circuit breaker testing, cable testing, and power system commissioning.
• Proven ability to independently lead complex, multi-discipline test procedures with minimal supervision, including advanced protective relay protection schemes.
• Strong analytical skills with the ability to diagnose testing anomalies, perform root cause analysis, and develop corrective actions.
• Mathematical proficiency through trigonometry.

Senior Level

• Associate's or Bachelor's degree in Electrical Engineering, Electrical Engineering Technology, or a related technical field; equivalent field technician experience may be considered in lieu of a degree (2 years for Associate's, 4 years for Bachelor's).
• Minimum 5 years of progressive experience in high-voltage electrical testing and commissioning, with demonstrated crew leadership or senior technician capability.
• Expert-level knowledge across all areas of electrical testing and commissioning, including full system commissioning and station auxiliary systems.
• Proven ability to lead, manage, and develop field crews across multiple concurrent testing and commissioning engagements.
• Strong technical report writing and review skills with the ability to approve comprehensive commissioning documentation.
• Thorough knowledge of safety and health regulations applicable to high-voltage electrical work, including NFPA 70E and OSHA standards.

All Levels

• Proficiency in Microsoft Office Suite (Excel, Word, Outlook).
• Effective verbal and written communication skills, with increasing ability at higher levels to interface with project leadership, engineering, and clients.
• Valid driver's license with an acceptable driving record; willingness to travel extensively, including overnight stays.
• Ability to pass a pre-employment background check and drug screen.
• TWIC card or ability to obtain one.

Preferred

• Experience with Doble, Megger, Omicron, or similar test equipment platforms.
• Prior experience in electric utility T&D construction or industrial commissioning environments.
• Familiarity with NFPA 70E, IEEE, and ANSI standards applicable to high-voltage testing.
• Experience with SCADA systems, power line carrier, infrared thermography, and phasing/loading verification (higher levels).
• Project management training or certification (e.g., PMP, CAPM) for Senior Level.

Physical Requirements

• Ability to stand and walk for extended periods (up to 8-12 hours).
• Ability to climb stairs and ladders and access elevated work areas.
• Ability to lift and carry up to 50 pounds occasionally.
• Ability to bend, kneel, crouch, and work in confined spaces.
• Ability to work near energized electrical equipment.
• Ability to wear required PPE at all times, including hard hat, safety glasses, steel-toe boots, FR clothing, gloves, and hearing protection.
• Ability to operate company vehicles safely and maintain a valid driver's license.
• Ability to travel frequently, including overnight stays.

Environmental Conditions

• Regular outdoor work in varying weather conditions including extreme heat, cold, humidity, and wind.
• Exposure to electrical hazards, energized equipment, and arc flash environments.
• Exposure to noise, dust, vibration, and industrial job site conditions.

Driving & Safety-Sensitive Positions
This position is considered safety-sensitive and may require:

• Maintenance of a valid driver's license.
• Acceptable driving record.
• Compliance with company motor vehicle policies.
• Compliance with drug and alcohol testing requirements where applicable.

Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions as defined by Company policy.

Equal Employment Opportunity

Dashiell is an Equal Opportunity Employer. Employment decisions are made without regard to race, religion, color, sex, gender identity or expression, sexual orientation, age, national origin, disability, veteran status, or any other protected status under applicable law.


Dashiell offers a competitive compensation and benefits package. Benefits include company-paid life insurance, accidental death and dismemberment insurance, long-term disability insurance, and an employee assistance program. Additional benefit offerings include medical coverage through a traditional PPO or one of two high-deductible health plans (with FSA or HSA options), dental and vision coverage, supplemental life insurance, short-term disability, critical illness insurance, group accident insurance, hospital indemnity insurance, and a 401(k) plan with immediate vesting, among others.


Candidates must be at least 18 years of age and legally authorized to work in the United States on a permanent basis without current or future visa sponsorship. Third-party recruiters and agencies, please do not contact us regarding this position.