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Maintenance Technician

Marmon Holdings · Murphysboro, IL · Full time

Posted Aug 18, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a time you fabricated or improvised a repair to get equipment running. Was it a lasting fix?

What they are checking: Whether they know the difference between a safe temporary fix and a proper repair, and follow up.

Tell me about a repeat breakdown you finally solved for good. How did you find the root cause?

What they are checking: Whether they dig into why equipment fails instead of fixing the same thing every week.

How do you document the work you do so the next shift knows what happened?

What they are checking: Whether they communicate across shifts, which prevents repeated troubleshooting and confusion.

What would you do

A line goes down in the middle of a shift and production is pressuring you to get it running fast. How do you handle it?

What they are checking: Whether they keep lockout and safe repair steps under pressure while still moving quickly.

About the work

Walk me through how you troubleshoot a pneumatic cylinder that is moving slowly or not at all.

What they are checking: Whether they work through air supply, valves and seals in a logical order instead of swapping parts.

Have you rebuilt a pump or a hydraulic cylinder? Tell me how you did it.

What they are checking: Real hands-on rebuild experience, which the posting lists as a core duty.

How do you approach monthly preventive maintenance on production equipment so it actually prevents breakdowns?

What they are checking: Whether they treat PM as inspection and early catch, not a checkbox to sign off.

What electrical troubleshooting are you comfortable doing, and where do you draw the line?

What they are checking: Honest limits on electrical work, since overconfidence with electricity gets people hurt.

How do you deal with a broken bolt that has snapped off in a machine?

What they are checking: Practical mechanical skill with extractors, drilling and tapping that comes up all the time.

What environmental rules have you had to follow in maintenance work, like handling oil or chemicals?

What they are checking: Whether they understand environmental compliance in an aluminum plant, not just mechanical repair.

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The full job description

As published by Marmon Holdings.

Penn Aluminum International LLC As a part of the global industrial organization Marmon Holdings—which is backed by Berkshire Hathaway— you’ll be doing things that matter, leading at every level, and winning a better way. We’re committed to making a positive impact on the world, providing you with diverse learning and working opportunities, and fostering a culture where everyone’s empowered to be their best. The Maintenance Technician is responsible for supporting safe, efficient, and reliable plant operations by performing preventative maintenance, troubleshooting, repairs, equipment upkeep, inspections, and general facility maintenance. This position requires mechanical, electrical, hydraulic, and pneumatic knowledge, along with the ability to use tools and equipment safely while maintaining compliance with company policies, safety expectations, and environmental requirements. Essential Duties and Responsibilities • Use basic hand and power tools safely, including wrenches, screwdrivers, drills, saws, and pneumatic tools. • Perform troubleshooting of pneumatic systems, including cylinders, valves, pumps, and related components. • Rebuild pumps and cylinders. Perform monthly preventative maintenance on production and facility equipment. • Perform minor mechanical repairs and fabrication, including replacing broken bolts, anchoring equipment, and repairing machine guards. • Troubleshoot and repair hydraulic, pneumatic, electrical, and mechanical systems. • Use welding and cutting equipment, including stick and/or MIG welders, oxy-acetylene equipment, plasma cutters, grinders, and related tools. • Bend conduit and run basic electrical circuits. • Troubleshoot and repair mechanical power train components, including conveyors, bearings, gears, gearboxes, and shafts. • Use pipe threading equipment. • Read and interpret electrical, hydraulic, and pneumatic symbols, prints, and blueprints. • Read PLC ladder logic symbols and instructions. • Test, diagnose, modify, and repair complex electrical, hydraulic, pneumatic devices and systems. • Write PLC program code and troubleshoot or program PLC systems using a laptop computer. Required Qualifications, Skills, and Abilities • Valid fork truck license required. • Ability to safely operate basic hand tools, power tools, pneumatic tools, welding equipment, cutting equipment, and related maintenance tools. • Ability to use basic measuring devices, including calipers and micrometers. • Knowledge of mechanical, hydraulic, pneumatic, and electrical systems. • Ability to troubleshoot, diagnose, repair, modify, and maintain production and facility equipment. • Ability to read and interpret prints, blueprints, symbols, and schematics related to electrical, hydraulic, pneumatic, and mechanical systems. • Ability to perform preventative maintenance, inspections, repairs, fabrication, and equipment rebuilds. • Knowledge of PLC ladder logic, PLC troubleshooting, and PLC programming preferred. • Ability to follow safety procedures, environmental requirements, and company policies. • Ability to communicate maintenance needs, repair status, and disposal requirements to the Maintenance Manager or appropriate leadership. Work Environment and Physical Requirements • Work is performed in a manufacturing/plant environment. • Must be able to stand, walk, bend, lift, carry, climb, reach, and perform physical maintenance tasks as required. • Must be able to work around production equipment, chemicals, oils, tools, forklifts, and other industrial equipment while following all safety requirements. • May be required to respond to maintenance needs throughout the plant and perform duties in varying environmental conditions. Pay Range: 28.80 - 35.20 We offer a comprehensive benefits package that may include medical, dental, vision, 401k matching, and more! Following receipt of a conditional offer of employment, candidates will be required to complete additional job-related screening processes as permitted or required by applicable law . We are an equal opportunity employer, and all applicants will be considered for employment without attention to their membership in any protected class. If you require any reasonable accommodation to complete your application or any part of the recruiting process, please email your request to careers@marmon.com, and please be sure to include the title and the location of the position for which you are applying.

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