Mechanical Supervisor

Vistra Corp.; Sunnyvale (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

Luminant Generation Company LLC in Sunnyvale, Texas seeks a Mechanical Supervisor to lead the field-based mechanical maintenance team and drive safe, efficient maintenance execution across the facility.

You will supervise mechanics and contractors, set clear expectations, and foster a culture aligned with Vistra’s One Team philosophy, ensuring reliable plant performance.

Qualifications

• 6–10 years of mechanical maintenance experience in power generation or heavy industrial environments.
• Supervisory or lead experience with direct responsibility for team performance preferred.
• Highschool diploma or GED equivalent required.
• Strong knowledge of rotating equipment, pumps, valves, and mechanical systems required.
• Experience with work management systems (SAP, Maximo, etc.) preferred.
• Proven ability to set expectations, enforce standards, and drive accountability.

Responsibilities

• Lead the mechanical maintenance team to ensure safe, reliable execution of all mechanical work across the facility.
• Drive adherence to maintenance standards, procedures, and quality expectations.
• Plan, coordinate, and oversee mechanical maintenance activities, including outage support.
• Foster a One Team culture across Mechanical, Operations, Electrical, and support teams.
• Remove barriers and escalate issues impacting schedule, safety, or quality.
• Deliver results during routine maintenance and outage conditions.

Skills

Mechanical maintenance

Supervisory experience

Rotating equipment

Pumps & valves

Work management systems

Accountability & standards

Education

Highschool diploma or GED

Tools

SAP

Maximo

Job description

If you have what it takes to become part of the Vistra family and would like to start a promising career with a global leader, take a look at the exciting employment opportunities that are currently available.

Job Summary

The Mechanical Supervisor is responsible for leading the mechanical maintenance team to ensure safe, reliable, and efficient execution of all mechanical work across the facility. This role directly supervises mechanics and contractors, sets clear expectations, and holds the team accountable for results. This position requires a highly engaged, field-focused leader who drives work execution, reinforces standards, and fosters a strong team culture aligned with Vistra’s “One Team” philosophy.

Job Description

Key Responsibilities

Drive Safe, Disciplined Execution

• Ensure all mechanical work is performed safely and in compliance with site procedures and regulatory requirements
• Maintain a strong field presence to observe work, reinforce expectations, and intervene when needed
• Drive adherence to maintenance standards, procedures, and quality expectations

Lead, Engage, and Hold the Team Accountable

• Set clear expectations for safety, performance, and work execution
• Hold mechanics and contractors accountable for meeting those expectations
• Provide direct, timely feedback—both positive recognition and corrective coaching
• Address performance gaps promptly and consistently

Own and Drive Work Execution

• Actively drive daily work activities, not just coordinate them
• Ensure work is executed according to plan, while adapting to changing plant conditions
• Remove barriers and escalates issues that impact schedule, safety, or quality
• Deliver results during both routine maintenance and outage conditions

Foster a “One Team” Culture

• Promote collaboration across Mechanical, Operations, Electrical, and support teams
• Reinforce shared ownership of plant performance, not siloed responsibilities
• Support peers and other departments to ensure overall site success
• Build a team environment based on trust, respect, and accountability

Execute Maintenance and Outage Work

• Plan, coordinate, and oversee mechanical maintenance activities
• Support outage planning and execution with a focus on schedule adherence and efficient resource utilization
• Ensure work orders are completed accurately and closed out in a timely manner

Drive Continuous Improvement

• Identify and act on opportunities to improve equipment reliability and team effectiveness
• Engage the team in improvement initiatives (e.g., OPI or similar programs)
• Use performance data and observations to drive better outcomes

Qualifications & Experience

• 6–10 years of mechanical maintenance experience in power generation or heavy industrial environments required.
• Supervisory or lead experience with direct responsibility for team performance preferred.
• Highschool diploma or GED equivalent required.
• Strong knowledge of rotating equipment, pumps, valves, and mechanical systems required.
• Experience with work management systems (SAP, Maximo, etc.) preferred.
• Proven ability to set expectations, enforce standards, and drive accountability.

Key Leadership Attributes

• Engaged Leader – Visible in the field and actively involved in work execution
• Accountability-Driven – Sets expectations and consistently holds the team to them
• Execution-Focused – Drives work to completion with discipline and urgency
• Team-Oriented (“One Team”) – Breaks down silos and promotes shared success
• Decisive – Takes action and addresses issues directly

What Success Looks Like

• Supervisor is consistently engaged in the field, driving work—not observing from a distance
• Team clearly understands expectations and is held accountable for results
• Mechanical work is completed safely, on schedule, and to quality standards
• Strong collaboration exists across all disciplines, reflecting a true “One Team” culture
• Equipment reliability and team performance show measurable improvement
• Issues, risks, and schedule impacts are communicated early and proactively to management, with a focus on no surprises and timely resolution

This role is best suited for individuals who lead from the field, establish clear expectations, hold their teams accountable, and take ownership of delivering results.

Job Family

Plant Operations

Company

Luminant Generation Company LLC

Locations

Sunnyvale, Texas

Texas

We are a company of people committed to: Exceeding Customer Expectations, Great People, Teamwork, Competitive Spirit and Effective Communication. If this describes you,

It is the policy of the Company to comply with all employment laws and to afford equal employment opportunity to individuals in all aspects of employment, including in selection for job opportunities, without regard to race, color, religion, sex, sexual orientation, gender identity, pregnancy, national origin, age, disability, genetic information, military service, protected veteran status, or any other consideration protected by federal, state or local laws.

If you are an individual with a disability and need assistance submitting an application or would like to request an accommodation, please email us at [e-mail] to make a request.