Electrical High Voltage/Low Voltage Field Service Technician III

Trystar Inc; Houston (TX); On-site; USD 55,000 - 83,000; Full time

Job summary

Trystar Inc. is seeking an Electrical High Voltage/Low Voltage Field Service Technician III in Houston, TX. This senior role leads complex field operations, major commissioning activities, and mentors the service organization in the field.

You will work directly with customers and installers, performing commissioning, maintenance, upgrades, troubleshooting, and repairs across high, medium, and low voltage equipment while ensuring safety and quality standards.

Qualifications

• Deep understanding of power systems and testing methodologies.
• Strong leadership and mentoring capabilities.
• Advanced analytical and problem-solving skills.
• Ability to interpret complex schematics and specifications.
• Proficiency with electrical testing equipment.
• Excellent communication, problem solving, and organizational skills.
• 4+ years of field service or equivalent experience.
• Electrical Apprentice, Electrical Journeyman, CET, EIT, ASCT required.

Responsibilities

• Serve as person-in-charge for large-scale commissioning, startup, and complex retrofit projects
• Lead troubleshooting and work on and maintain high, medium, and low voltage systems
• Service, maintain, repair, assemble, troubleshoot and commission electrical apparatus and protective devices
• Perform advanced diagnostics and root cause analysis
• Analyze test data and produce detailed technical reports
• Lead multi-resource service projects and coordinate field activities
• Train and mentor Level 1 and Level 2 technicians
• Support engineering with field data, system validation, and continuous improvement efforts
• Operate various types of electrical test equipment, analyze test data and compile technical reports
• Manage critical customer interactions and high-visibility service events
• Ensure compliance with safety standards and operational procedures
• Assist engineers in data collection, completion of power system studies, site inspections, equipment design, project scope development
• Maintain positive client relationships through on-site interactions

Skills

Power systems expertise

Leadership

Analytical thinking

Schematic interpretation

Electrical testing tools

Communication & organization

Team player

Field service experience

Education

Electrical Apprentice

Electrical Journeyman

CET

EIT

ASCT

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

Electrical High Voltage/Low Voltage Field Service Technician III

Full-Time Employee Technical Houston, TX, US

30+ days ago Requisition ID: 2632

Salary Range: $40.00 To $60.00 Hourly

J ob Title: Field Service Technician III

JobDescription:

Trystar is a leader in power inverters, distribution equipment, and related services at the heart of supporting our electrical infrastructure. Our team members focus on producing the highest quality products in the industry and providing industry-leading service. Safety and integrity are our guiding principles, and we work together to achieve excellence for our customers every day.

Trystar’s team members are our most important asset, and this position plays a critical role in achieving our strategic objectives. As a Field Service Technician III, you will be a senior technical leader responsible for complex field operations, major commissioning activities, and mentoring the service organization. This role will work directly with customers and installers in the field and provide various field service activities for Trystar’s offerings from commissioning, planned maintenance, equipment upgrades, troubleshooting, and repair.

We are looking for people who believe in our guiding principles and values of:

• Safety – We believe everyone should leave Trystar facilities in the same or better condition than when they arrived.
• Integrity – We’re honest, transparent, and committed to doing what’s right.
• Customer focus – We have relentless focus on our customers and their success.
• Right with speed – We use good judgement, make thoughtful decisions quickly, and execute them with purpose and intensity.
• Play for each other – We’re a team. We show up for each other and we know that through teamwork we achieve greatness.
• Champion change – We know adaptation and improvement are requirements to survive and to thrive.
• Enjoy the journey – We create an environment where our team feels appreciated and has fun along the way.

In this role you will get to:

• Serve as person-in-charge for large-scale commissioning, startup, and complex retrofit projects
• Lead troubleshooting and work on and maintain high, medium, and low voltage systems
• Service, maintain, repair, assemble, troubleshoot and commission electrical apparatus and protective devices
• Perform advanced diagnostics and root cause analysis
• Analyze test data and produce detailed technical reports
• Lead multi-resource service projects and coordinate field activities
• Train and mentor Level 1 and Level 2 technicians
• Support engineering with field data, system validation, and continuous improvement efforts
• Operate various types of electrical test equipment, analyze test data and compile technical reports
• Manage critical customer interactions and high-visibility service events
• Ensure compliance with safety standards and operational procedures
• Assist engineers in data collection, completion of power system studies, site inspections, equipment design, project scope development
• Maintain positive client relationships through on-site interactions

Scope and Autonomy:

• Full ownership of complex and high-risk field service activities
• Leads teams and multi-day service projects
• Acts as escalation point for technical decision-making

Job Requirements:

• Deep understanding of power systems and testing methodologies
• Strong leadership and mentoring capabilities
• Advanced analytical and problem-solving skills
• Ability to interpret complex schematics and specifications
• Proficiency with electrical testing equipment
• Must be a team player, willing to work with others in a fast-paced environment
• Excellent communication, problem solving, and organizational skills
• 4+ years of field service or equivalent experience
• Electrical Apprentice, Electrical Journeyman, CET, EIT, ASCT required