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006395-Mobile Equipment Mechanic I

Heidelberg Materials · Fairmount, IL · Full time

Posted Oct 5, 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 repair that kept failing. How did you find the real cause?

What they are checking: Whether they dig for root causes instead of fixing the same symptom again.

What would you do

Production wants a loader back today, but you're not sure the repair is safe. What do you do?

What they are checking: Whether they stand firm on safety even when there's pressure to release equipment.

How do you work with operators to catch problems before breakdowns?

What they are checking: Whether they build good communication with operators who notice issues first.

How do you handle working outside on repairs in bad weather?

What they are checking: Whether they can stay safe and effective doing field repairs in tough conditions.

About the work

Tell me about your experience with Caterpillar or Cummins engines. What work have you done on them?

What they are checking: Whether they meet the posting's must-have engine experience with real hands-on work.

Walk me through how you'd troubleshoot a haul truck that's losing power under load.

What they are checking: Whether they diagnose step by step instead of swapping parts until something works.

Which diagnostic tools have you used, like Cat ET or Cummins INSITE?

What they are checking: Whether they can read fault codes and live data on modern equipment.

How do you read a hydraulic schematic to find a problem?

What they are checking: Whether they can use schematics to trace issues, which the posting requires.

How do you keep maintenance records accurate when you're busy?

What they are checking: Whether they document work properly, which helps track repeat problems.

How do you stay safe working on heavy equipment, especially with lockout and blocking?

What they are checking: Whether they follow lockout steps every time, which protects mechanics from serious injury.

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The full job description

As published by Heidelberg Materials.

Line of Business: Aggregates About Us Heidelberg Materials is one of the world's largest suppliers of building materials. Heidelberg Materials North America operates over 450 locations across the U.S. and Canada with approximately 9,000 employees. What You'll Be Doing • Perform routine maintenance and repairs on mobile equipment. • Diagnose and troubleshoot mechanical issues. • Ensure equipment is operating safely and efficiently. • Maintain accurate records of all maintenance activities. • Collaborate with team members to improve equipment performance. What Are We Looking For • Strong mechanical aptitude and problem-solving skills. • Must have Caterpillar or Cummins engine experience • Ability to read and interpret technical manuals and schematics. • Proficiency with diagnostic tools and equipment. • Excellent communication and teamwork abilities. • Commitment to safety and quality standards. Work Environment • Work in various weather conditions and environments. • Handle physically demanding tasks and operate heavy machinery. • Adhere to safety protocols and guidelines. What We Offer • Competitive base salary and participation in our annual incentive plan. • 401(k) retirement savings plan with an automatic company contribution as well as matching contributions. • Highly competitive benefits programs, including: • Medical, Dental, and Vision along with Prescription Drug Benefits. • Health Savings Account (HSA), Health Reimbursement Account (HRA), and Flexible Spending Account (FSA). • AD&D, Short- and Long-Term Disability Coverage as well as Basic Life Insurance. • Paid Bonding Leave, 15 days of Paid Vacation, 40 hours of Paid Sick Leave, and 10 Paid Holidays. Equal Opportunity Employer - Minority / Female / Veteran / Disabled

Apply at Heidelberg Materials