Snapshot of Your Day
As the Head of Testing Field & High Voltage Laboratory, you will lead all testing activities associated with the manufacturing, final acceptance, and technical release of Large Power Transformers up to 400 kV and **** kV BIL.
You will guide the operation of a modern high‐voltage laboratory and test field, ensuring that routine, type, special, and customer‐specific tests are planned, executed, documented, and released safely, efficiently, and in full compliance with contractual requirements, international standards, and internal quality expectations.
How You'll Make an Impact
Lead the test field and high‐voltage laboratory organization, aligning testing priorities with factory objectives, EHS requirements, production schedules, and customer commitments.
Ensure the safe, accurate, and compliant execution of routine, type, special, and customer‐specific tests for Large Power Transformers up to 400 kV and **** kV BIL.
Provide expert interpretation and technical release of transformer test results, including Partial Discharge measurements, Lightning / Switching Impulse tests, dielectric tests, losses, impedance, ratio, polarity, resistance, and temperature rise results.
Act as a technical reference during customer meetings and FAT execution, explaining testing methodologies, results, deviations, equivalencies, and standard/customer requirement differences with clarity and credibility.
Lead or actively support failure investigations, task forces, and Root Cause Analysis activities related to test discrepancies, non‐conformities, customer concerns, and field incidents until technical closure.
Develop team capabilities, strengthen audit readiness and documentation quality, and drive continuous improvement initiatives related to quality, safety, productivity, digitalization, data integrity, and customer satisfaction.
What You Bring
Education
Bachelor's Degree in Electrical Engineering required.
Solid technical foundation in power systems, high‐voltage engineering, electrical machines, or transformer technology.
Master's Degree preferred in a technical engineering discipline related to Power Systems, High Voltage Engineering, Transformer Design, Electrical Insulation, or Asset Management.
Additional training or specialization in transformer testing, dielectric diagnostics, partial discharge measurement, or high‐voltage laboratory operation is preferred.
Professional Experience
Minimum of 10 years of technical experience in power transformer testing, preferably in a manufacturing test field or high‐voltage laboratory environment.
Primarily technical experience, not only administrative, with demonstrated capability to interpret test results and make engineering judgments based on technical evidence.




Proven experience with routine, type, special, and customer‐specific tests for Large Power Transformers.
Experience interacting directly with customers, consultants, and third‐party inspectors during Factory Acceptance Tests.
Experience supporting or leading technical investigations, task forces, and Root Cause Analysis activities related to test discrepancies, non‐conformities, customer concerns, or field incidents.
Desirable experience in transformer construction, manufacturing processes, and design principles to support practical and technically sound problem analysis.
Technical Knowledge and Core Competencies
Advanced understanding of transformer electrical testing and acceptance criteria.
Ability to interpret sophisticated test results, especially Partial Discharge measurements and Lightning / Switching Impulse tests.
Familiarity with induced voltage, applied voltage, resistance, ratio, polarity, impedance, losses, temperature rise, and dielectric test results.
Ability to evaluate test results against applicable standard limits, customer specifications, and internal engineering criteria.
Capability to technically approve and release transformer test reports and determine transformer readiness for shipment based on engineering judgment.
Standards and Customer Requirements
Strong knowledge of IEEE, IEC, and CSA standards applicable to power transformers and transformer testing.
Knowledge of NMX standards is desirable.
Strong preference for candidates with deep knowledge of the IEEE market, including the evolution of standard requirements and customer expectations.
Ability to analyze customer requirements and define testing methodologies that cover contractual expectations and technical compliance.
Ability to identify and explain deviations, equivalencies, and differences between international standards and customer‐specific requirements.
Failure Investigation and Technical Problem Solving
Actively participate in failure investigation teams to identify Root Cause Analysis findings.
Participate in multidisciplinary task forces when test discrepancies occur and coordinate technical solutions until closure.
Support definition of corrective and preventive actions and validate technical solutions before implementation.
Contribute to lessons learned, technical risk reduction,



and continuous improvement of testing and manufacturing processes.
Customer Interaction
Serve as a technical reference during customer meetings and transformer performance discussions.
Interact with customer representatives during Factory Acceptance Tests and support clear technical communication of test results.
Provide methodology and technical rationale for customer requirement analysis, ensuring alignment with expectations and contractual scope.
Manage technical questions during FAT execution with professionalism, clarity, and strong engineering judgment.
Laboratory Infrastructure and Digital Systems
High‐voltage measurement systems and test bay operation.
Partial discharge systems, impulse test systems, dielectric test equipment, and data acquisition platforms.
SCADA‐based testing environments and SEL digital control systems.
Digital substation concepts, automation, measurement reliability, and data integrity.
Maintenance planning, calibration control, and readiness of critical laboratory assets.
Leadership and Operational Responsibilities
Lead the testing laboratory and test field organization in alignment with factory objectives, safety requirements, and production priorities.
Establish operational priorities and ensure efficient execution of routine, type, special, and customer‐specific tests.
Develop technical capability within the test field team and ensure knowledge transfer across engineers and technicians.
Maintain a strong EHS culture in a high‐voltage environment and ensure strict compliance with safety procedures.
Languages
Fluent Spanish required.
Advanced English, spoken and written, required.
Portuguese desirable for collaboration across the Americas region.
About The Team
You will be part of the Power Transformers organization in Guanajuato, working closely with factory management, engineering, manufacturing, quality, EHS, project management, and commercial teams.
The testing field and high‐voltage laboratory play a critical role in validating transformer performance, supporting customer acceptance, and ensuring that each unit meets contractual, technical, safety, and quality requirements before release and shipment.
Rewards / Benefits
Career growth and development opportunities.
Supportive work culture and a healthy work‐life balance.
Company‐paid health and wellness benefits.
Paid Time Off and paid holidays.
Savings Fund.
Above‐the‐law benefits.
Family building benefits.
Parental leave.
Competitive base salary.
Annual performance bonus.
Competitive total rewards package.
Opportunities to contribute to our social responsibility initiatives.
Diversity and inclusivity‐focused culture.
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📌 Head Of Test Field Of Power Transformers (México)
🏢 Siemens Energy
📍 México