Manufacturing Operator

Your Job

Guardian Glass is looking for motivated Manufacturing Operators with a passion for safety to join our team in Corsicana, TX! Manufacturing Operators are responsible for operating, monitoring, and optimizing automated float glass manufacturing equipment and processes to meet production targets, ensure product quality, and maintain equipment reliability and safety. Works closely with maintenance, process engineering, and quality teams to troubleshoot issues, implement improvements, and document performance.

This role can work in any area of the facility, including float, coater, off-line cutting, tempering or warehouse departments. At Guardian Glass, a Guardian Industries company, we make high- performance, energy efficient glass for homes and buildings. To learn more about Guardian Glass, visit

We are a tobacco free environment. There is no tobacco use on premise including the parking lot.

Rotating 12-hr shift to include weekends, holidays, and overtime as needed.

Competitive pay starting at $20 per hour. $21 per hour after 6 months!

• Operate and monitor automated float glass production lines (glass melting, forming, annealing lehr, cutting, edging, washing, and packaging).
• Start up and shut down equipment per procedures; perform line changeovers and product grade changes.
• Monitor process parameters (temperatures, conveyor speeds, atmosphere, level controls) and adjust controls to maintain product specifications and stable throughput.
• Inspect glass for visual/functional defects and take immediate corrective actions; segregate nonconforming product and notify quality/engineering.
• Perform routine preventive maintenance tasks and basic mechanical, pneumatic, and electrical troubleshooting; coordinate complex repairs with maintenance team.
• Execute equipment reliability activities (daily checks, lubrication, filter changes, alignment checks) and report abnormal trends.
• Follow and contribute to continuous improvement efforts (root cause analysis, Kaizen events, SPC, OEE improvement) to reduce downtime, scrap, and cycle time.
• Maintain accurate production, maintenance, and quality records (shift logs, defect logs, downtime reasons, production counts).
• Ensure compliance with all safety, environmental, and regulatory policies; use PPE and follow lockout/tagout, hot work, and confined-space procedures as required.
• Train and mentor junior operators; participate in shift handovers and cross-functional meetings.

• High school diploma or equivalent; technical/vocational training in industrial maintenance, instrumentation, or process technology preferred.

• 2+ years experience in automated manufacturing or heavy process industries; experience in float glass or glass manufacturing strongly preferred.
• Certification or coursework in PLC programming, instrumentation, or industrial electrical systems.
• Experience with continuous process control systems, advanced diagnostics, or predictive maintenance tools.
• Familiarity with Lean manufacturing, Six Sigma, or similar methodologies.
• Familiarity with PLCs, HMIs, basic electrical and pneumatic systems, PID loop control, and common industrial sensors/instruments.
• Demonstrated ability to read process drawings, electrical schematics, and standard operating procedures.

At Koch companies, we are entrepreneurs. This means we openly challenge the status quo, find new ways to create value and get rewarded for our individual contributions. Any compensation range provided for a role is an estimate determined by available market data. The actual amount may be higher or lower than the range provided considering each candidate's knowledge, skills, abilities, and geographic location.

If you have questions, please speak to your recruiter about the flexibility and detail of our compensation philosophy.

All Koch companies value diversity of thought, perspectives, aptitudes, experiences, and backgrounds. We are Military Ready and Second Chance employers. Learn more about our hiring philosophy here.

As a Koch company, Guardian Glass is one of the world's largest manufacturers of float, value-added and fabricated glass products, and solutions. We produce high-performance glass for architectural, residential, interior, transportation, and technical glass applications. You'll find our glass in homes, offices, and cars and in some of the world's most iconic projects.

Our goal is for each employee, and their families, to live fulfilling and healthy lives. We provide essential resources and support to build and maintain physical, financial, and emotional strength focusing on overall wellbeing so you can focus on what matters most. Our benefits plan includes medical, dental, vision, flexible spending and health savings accounts, life insurance, ADD, disability, retirement, paid vacation/time off, educational assistance, and may also include infertility assistance, paid parental leave…