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Operating Engineer Union Jobs in Denver, CO (NOW HIRING)

Martin Marietta

Asphalt Plant Manintenance

Denver, CO · On-site

$34.01/hr

Membership with the International Union of Operating Engineers Local Union No, 9andnbsp;is required upon hire. Condition and terms of employment and benefits are in accordance with the collective ...

Martin Marietta

Field Mechanic

Denver, CO · On-site

$35.44/hr

Operating Engineers Local Union No, 9andnbsp;is required upon hire. Condition and terms of employment and benefits are in accordance with the collective bargaining agreement.andnbsp;

Martin Marietta

Field Mechanic

Denver, CO

$35.44/hr

Membership with the International Union of Operating Engineers Local Union No, 9 is required upon hire. Condition and terms of employment and benefits are in accordance with the collective bargaining ...

Martin Marietta Materials

Field Mechanic

Denver, CO · On-site

$35.44/hr

Operating Engineers Local Union No, 9andnbsp;is required upon hire. Condition and terms of employment and benefits are in accordance with the collective bargaining agreement.andnbsp; Employment Type ...

Martin Marietta

Field Mechanic

Denver, CO

Operating Engineers Local Union No, 9andnbsp;is required upon hire. Condition and terms of employment and benefits are in accordance with the collective bargaining agreement.andnbsp;

Martin Marietta

Field Mechanic

Denver, CO

Membership with the International Union of Operating Engineers Local Union No, 9 is required upon hire. Condition and terms of employment and benefits are in accordance with the collective bargaining ...

Martin Marietta Materials

Field Mechanic

Denver, CO

$35.44/hr

Membership with the International Union of Operating Engineers Local Union No, 9 is required upon hire. Condition and terms of employment and benefits are in accordance with the collective bargaining ...

Martin Marietta

Field Mechanic

Denver, CO · On-site

$35.44/hr

Membership with the International Union of Operating Engineers Local Union No, 9 is required upon hire. Condition and terms of employment and benefits are in accordance with the collective bargaining ...

Martin Marietta

Field Mechanic

Denver, CO · On-site

$35.44/hr

Operating Engineers Local Union No, 9andnbsp;is required upon hire. Condition and terms of employment and benefits are in accordance with the collective bargaining agreement.andnbsp; A member of the ...

Schnabel

Equipment Operator

Aurora, CO · On-site

$32 - $48/hr

... complex engineering challenges. We specialize in advanced earth retention systems and other ... REQUIREMENTS: * Minimum of 2 years of documented experience operating equipment proficiently.

Schnabel

Equipment Operator

Aurora, CO

$32 - $48/hr

... complex engineering challenges. We specialize in advanced earth retention systems and other ... REQUIREMENTS: * Minimum of 2 years of documented experience operating equipment proficiently.

Capital Rx

Staff Software Engineer, Streaming

Denver, CO · On-site

... unions, health plans, and government entities. Judi Health replaces fragmented, outdated systems ... Production experience designing and operating WAL-based or log-structured replication systems, such ...

Schnabel Inc

Equipment Operator

Aurora, CO

$32 - $48/hr

... complex engineering challenges. We specialize in advanced earth retention systems and other ... REQUIREMENTS: * Minimum of 2 years of documented experience operating equipment proficiently.

Schnabel

Equipment Operator

Aurora, CO

... complex engineering challenges. We specialize in advanced earth retention systems and other ... REQUIREMENTS: * Minimum of 2 years of documented experience operating equipment proficiently.

Schnabel Inc

Equipment Operator

Aurora, CO

$32 - $48/hr

... complex engineering challenges. We specialize in advanced earth retention systems and other ... REQUIREMENTS: * Minimum of 2 years of documented experience operating equipment proficiently.

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Showing results 41-60

All JobsOperating Engineer Union JobsOperating Engineer Union Jobs in Denver, CO

Operating Engineer Union information

See Denver, CO salary details

$61.8K

$90.3K

$121.5K

How much do operating engineer union jobs pay per year?

As of Aug 23, 2026, the average yearly pay for operating engineer union in Denver, CO is $90,308.00, according to ZipRecruiter salary data. Most workers in this role earn between $69,000.00 and $109,600.00 per year, depending on experience, location, and employer.

What is an operating engineer union?

Operating Engineer Union jobs refer to positions held by skilled workers who operate and maintain heavy equipment, such as cranes, bulldozers, excavators, and other machinery used in construction and industrial projects. These professionals are typically members of a union, such as the International Union of Operating Engineers (IUOE), which provides training, job placement, and collective bargaining for better wages and benefits. Union operating engineers often work on major construction sites, road projects, and infrastructure developments, ensuring equipment is run safely and efficiently. Membership in the union may require completing an apprenticeship program and meeting certain qualifications.

What are the key skills and qualifications needed to thrive as an operating engineer union?

To thrive as an Operating Engineer (Union), you need strong mechanical aptitude, a solid understanding of heavy equipment operation, and typically a high school diploma or equivalent, along with union apprenticeship completion. Familiarity with equipment such as cranes, bulldozers, forklifts, and safety systems, as well as relevant certifications like OSHA or NCCCO, is often required. Outstanding problem-solving skills, attention to detail, and effective teamwork set exceptional professionals apart in this role. These skills and qualifications are crucial for ensuring safe, precise, and efficient operation of machinery on construction sites.

What are some common challenges operating engineer union members face on the job site, and how can they prepare to handle them?

Operating Engineer Union members often work with heavy machinery in dynamic environments, which can present challenges such as adapting to rapidly changing site conditions, maintaining strict safety standards, and troubleshooting equipment malfunctions. Staying updated with ongoing safety training and being proactive about preventative maintenance are key to minimizing risks. Additionally, strong communication skills help coordinate activities with other trades and supervisors, ensuring smooth workflow and reducing potential hazards. Union resources and peer support also play a vital role in overcoming these workplace challenges.

What is the difference between Operating Engineer Union vs Heavy Equipment Operator?

AspectOperating Engineer UnionHeavy Equipment Operator
Credentials/CertificationsUnion membership, OSHA certifications, specialized trainingOSHA certifications, equipment-specific training
Work EnvironmentConstruction sites, power plants, industrial facilitiesConstruction sites, mining, infrastructure projects
Employer/Industry UsageUnionized construction and industrial companiesPrivate contractors, construction firms

The Operating Engineer Union and Heavy Equipment Operator roles often overlap, with both requiring OSHA certifications and equipment training. Operating Engineers typically work in unionized environments on large-scale projects, handling complex machinery and systems. Heavy Equipment Operators focus on operating specific machinery like bulldozers or cranes, often in similar settings. While their skills are related, Operating Engineers usually have broader responsibilities and union benefits.

What are popular job titles related to Operating Engineer Union jobs in Denver, CO?

For Operating Engineer Union jobs in Denver, CO, the most frequently searched job titles are:

What job categories do people searching Operating Engineer Union jobs in Denver, CO look for?

The top searched job categories for Operating Engineer Union jobs in Denver, CO are:

What cities near Denver, CO are hiring for Operating Engineer Union jobs?

Cities near Denver, CO with the most Operating Engineer Union job openings:

Operating Engineer Union jobs near you
Infographic showing various Operating Engineer Union job openings in Denver, CO as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $90,308 per year, or $43.4 per hour.

Asphalt Plant Manintenance

Martin Marietta

Denver, CO • On-site

$34.01/hr

Full-time

Re-posted yesterday

Martin Marietta Materials rating

7.1

Company rating: 7.1 out of 10

Based on 135 frontline employees who took The Breakroom Quiz

378th of 544 rated manufacturers

Job description

JOB SUMMARY

The Plant Maintenance Technician has a critical role dedicated to ensuring the continuous, safe, and efficient operation of asphalt production machinery. This position involves inspecting, diagnosing, and repairing a variety of complex stationary and mobile equipment, including drum mixers, conveyor systems, and emission controls. As a primary guardian of plant uptime, you will execute a rigorous preventative maintenance program, perform emergency mechanical repairs, and engage in precision fabrication and welding. At Martin Marietta, this role requires a 'Safety First' mindset, where every task is performed with a commitment to individual and team well-being, product quality, and environmental compliance.

KEY DUTIES AND RESPONSIBILITIES

  • Inspect and troubleshoot mechanical malfunctions in asphalt plant equipment (drum dryers, elevators, screens, and baghouses).
  • Maximize performance of stationary equipment by performing repairs and ensuring preventative maintenance is completed on a timely basis.
  • Repair or replace defective parts including gearboxes, bearings, shafts, pulleys, idlers, and hydraulic/pneumatic systems.
  • Monitor plant performance and adjust mechanical components to maximize yield and ensure the consistent flow of hot-mix asphalt.
  • Perform expert welding (Arc/MIG/TIG) and torch cutting to fabricate, erect, or reinforce plant structures and processing equipment.
  • Execute daily greasing and lubrication schedules according to the company’s Maintenance Module to prevent premature wear.
  • Conduct daily OSHA pre-shift inspections of work areas and equipment to identify hazards or potential mechanical failures.
  • Monitor wear-life on high-impact components, such as conveyor belts and liner plates, and schedule proactive replacements to avoid unplanned downtime.
  • Operate support machinery, including front-end loaders, skid steers, man-lifts, and cranes, to facilitate repairs and maintain site cleanliness.
  • Partner with the Plant Manager to prioritize the maintenance backlog, ensuring critical repairs are addressed during scheduled windows.
  • Maintain a clean and organized shop and plant site, ensuring tools are preserved and walkways remain free of debris.
  • Accurately complete maintenance logs, inventory reports, and safety paperwork in accordance with Martin Marietta and regulatory standards.
  • Ensure emissions control systems (baghouses) are functioning correctly to remain in compliance with environmental permits.
  • Trains and coaches other employees on all maintenance practices.

QUALIFICATIONS

Education

High School diploma, GED, or relevant experience

Work Experience

1+ years of experience in Heavy-Duty Industrial Maintenance, preferably asphalt.

Knowledge, Skills, and Abilities

Equipment analysis and general repair concepts

Troubleshooting

OSHA regulations and compliance

Problem solving skills

Detail orientated

Time management

ADDITIONAL DETAILS

Physical Requirements

Must be able to lift and carry up to 50 lbs. for plant maintenance and equipment servicing.

Required to bend, stoop, climb, and reach. You must be able to maintain three points of contact when climbing on/off machinery or on ladders.

Strong hand-eye-foot coordination is essential for operating hand/foot controls. You must have good depth perception with or without seeing aid for distances up to 150 feet.

Working Conditions

All duties require outside assignments and require periods of work in all weather conditions, cold, wet, dry and dusty. Must be able to work in areas where noise levels are up to 85 dbs.

Union

We are excited to share the base hourly rate for this position is $34.01+. Membership with the International Union of Operating Engineers Local Union No, 9andnbsp;is required upon hire. Condition and terms of employment and benefits are in accordance with the collective bargaining agreement.

What Martin Marietta Materials employees say

Pay

Benefits

Hours and flexibility

Workplace

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About Martin Marietta

Sourced by ZipRecruiter

Martin Marietta is an American-based company and a leading supplier of building materials - including aggregates, cement, ready mixed concrete and asphalt.

Industry

Coal, metals and minerals mining

Company size

10,000+ Employees

Headquarters location

Raleigh, NC, US

Year founded

1994

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