Oncor Electric Delivery · 21 hours ago
Diagnostic Test Technician (DTT) thru Senior
Big Spring, Texas, United States
Full-time
Onsite
Entry, Mid, Senior Level
$81K/yr - $123K/yr
1+ years expOncor Electric Delivery Company LLC is a regulated electricity transmission and distribution business headquartered in Dallas. As a Diagnostic Test Technician (DTT), you will perform various diagnostic tests on system equipment, analyze test data, document results, and ensure the safe and reliable service of equipment.
Electrical DistributionEnergy
Responsibilities
Performs tests on insulating medium of substation equipment to determine its integrity. These tests include power factor, dielectric breakdown, moisture content, total combustible gas, and dissolved gasses
Performs station battery and battery charger diagnostic tests, trouble-shooting, and facilitates repairs/replacements to ensure the reliability of Direct Current power to the substation equipment
Records and analyzes test results (trend analysis) to determine equipment status as to its suitability to return to service, or specifies needed repairs
Develops wiring diagrams reflecting test circuits from equipment schematics to be used for subsequent installation and testing activities
Performs checkout, calibration, troubleshooting, and repairs of test equipment as needed
Performs switching operations and initiates actions to restore service at transmission and distribution substations to ensure testing is done safely and without interruption of electrical service to customers
Participates in evaluating and determining the acceptability of new test equipment and computer systems / programs to ensure the devices will meet or exceed company standards and test requirements
Prepares and processes documentation as required, to ensure test results are clearly understood and appropriate actions taken
Performs all work consistent with established safety procedures
Directs and coordinates the work of others assisting in diagnostic testing
Responsible for preparation of the power equipment to be tested (ground, disconnect, reconnect, unground) and making necessary minor repairs, if needed
Performs training when called upon regarding diagnostic testing, both classroom and field
Maintains records including computer databases for test results to ensure historical information are readily accessible for trend analysis in determining equipment condition
Analyzes test data to determine the need and schedule for additional testing of suspect equipment
Utilizes computer-based maintenance scheduler to ensure electrical equipment is tested in accordance with appropriate maintenance intervals and test results are properly retained for future reference
Performs all essential aspects and functions of the job as well as any other specific job requirements
Willing to travel to attend training and assist in other areas of the company
Willing and able to respond to routine and emergency call outs
Qualification
Required
High School Diploma, GED, or equivalent is required with 12 months of Transmission field or prior related industry experience working with high voltage electrical equipment OR
An Associate's degree in an electrical technology field can be accepted in lieu of the above
High School Diploma, GED, or equivalent is required with 3+ years of related experience working with high voltage electrical equipment OR
An Associate's degree in an electrical technology field can be accepted in lieu of the above
Applicants with 1+ years of experience working directly with a Diagnostic Test Technician are encouraged to apply
Basic understanding and working knowledge of electrical circuit theory and computer skills
Demonstrated leadership abilities
Effective problem-solving abilities
Effective communication skills
Benefits
Annual incentive program.
Competitive health and welfare benefits (medical, dental, vision, life insurance).
Ability to earn wellness incentives (up to $2,300 in 2026 as an Employee only) and other wellbeing resources.
401k with dollar-for-dollar company match up to 6%.
401k match with student debt program.
Cash balance pension plan.
Adoption Assistance.
Mental health resources.
Employee resource groups.
Tuition reimbursement.
Competitive vacation, 10 company holidays and 2 personal holidays.
Paid parental leave.
Salary continuation for up to 6 months for approved employee illness or injury.
Other perks such as commuter benefits, electric vehicle incentive program, appliance purchase plan.
Company
Oncor Electric Delivery
Oncor Electric Delivery Company LLC, headquartered in Dallas, is a regulated electricity distribution and transmission business that uses superior asset management skills to provide reliable electricity delivery to consumers.
1001-5000 employees
H1B Sponsorship
Oncor Electric Delivery has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2024 (3)
2023 (1)
2020 (2)
Funding
Current Stage
Late StageTotal Funding
$500M2024-02-21Debt Financing· $500M
2017-08-21Acquired
Leadership Team
Allen Nye
Chief Executive Officer
Don Clevenger
Chief Financial Officer
Recent News
Business Wire
2026-01-08
PR Newswire
2025-11-05
PR Newswire
2025-11-05
Company data provided by crunchbase