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Operating Engineer Union Jobs in Maryland (NOW HIRING)

Fechheimer

Sewing Machine Operator

Grantsville, MD · On-site

$15/hr

... operating industrial sewing machines, including single/double needle, serger, and programmable ... This is a Union position governed by the applicable Collective Bargaining Agreement (CBA). Physical ...

KBR

Sr Engineering Documentation Specialist

Lanham, MD

$102K - $168K/yr

Use engineering documentation, operator and maintenance manuals, logistics data, and direction from ... union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

KBR, Inc.

Engineering Technician 2

Lexington Park, MD · On-site

$25.72/hr

Additionally, working with C-sUAS Operators and leadership from U.S. Navy and other stakeholders to ... union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

KBR

Engineering Technician 2

Lexington Park, MD

$25.72/hr

Additionally, working with C-sUAS Operators and leadership from U.S. Navy and other stakeholders to ... union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

Reworld

Crane Operator

Derwood, MD · On-site

Our Business Reworld partners with businesses by offering cutting-edge engineering and innovative ... The successful candidate will be responsible for operating Reworld's heavy equipment at the site ...

Reworld

Crane Operator

Derwood, MD · On-site

Our Business Reworld partners with businesses by offering cutting-edge engineering and innovative ... The successful candidate will be responsible for operating Reworld's heavy equipment at the site ...

Reworld

Crane Operator

Derwood, MD · On-site

Our Business Reworld partners with businesses by offering cutting-edge engineering and innovative ... and/or union contracts (if applicable). Pay ranges are reviewed from time to time and may be ...

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Showing results 41-60

All JobsOperating Engineer Union JobsOperating Engineer Union Jobs in Maryland

Operating Engineer Union information

See Maryland salary details

$58.2K

$85.2K

$114.5K

How much do operating engineer union jobs pay per year?

As of Aug 21, 2026, the average yearly pay for operating engineer union in Maryland is $85,154.00, according to ZipRecruiter salary data. Most workers in this role earn between $65,000.00 and $103,400.00 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 the most commonly searched types of Operating Engineer jobs in Maryland?

The most popular types of Operating Engineer jobs in Maryland are:

What are popular job titles related to Operating Engineer Union jobs in Maryland?

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

What job categories do people searching Operating Engineer Union jobs in Maryland look for?

The top searched job categories for Operating Engineer Union jobs in Maryland are:

What cities in Maryland are hiring for Operating Engineer Union jobs?

Cities in Maryland with the most Operating Engineer Union job openings:

Operating Engineer Union jobs near you
Infographic showing various Operating Engineer Union job openings in Maryland 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 $85,154 per year, or $40.9 per hour.

Senior Relay Technician - Utility & High-Voltage Protection - Union

Asplundh Electrical Testing, LLC

Baltimore, MD • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 19 days ago

Job description

Description
About the Role
At Asplundh Electrical Testing, safety is not a priority-it is our foundation. The Senior Relay Technician plays a critical role in ensuring the safe, reliable operation of medium- and high-voltage utility substations through advanced protective relay testing, commissioning, and maintenance activities.
This position is ideal for professionals with a utility background who have hands-on experience testing and commissioning transmission and distribution protection systems. You will serve as a technical lead in the field, guide crews through complex outage work, and reinforce Asplundh's reputation for safety, precision, and service excellence.
We are experiencing strong growth and are immediately hiring Senior Relay Technicians with deep expertise in protection and control, relay schemes, and substation energization. If you enjoy solving complex protection challenges, leading safe work execution, and influencing system reliability at scale, we'd like to speak with you.
As a NETA-accredited, independent electrical testing and engineering organization, Asplundh Electrical Testing sets the benchmark for technical excellence and unwavering safety across the utility, renewable energy, data center, and industrial sectors.
Candidates must be authorized to work in the United States for any employer at the time of hire. This position is not eligible for visa sponsorship.
What You'll Do
  • Lead job briefings and safety tailboards, reinforcing a "Safety First, Always" field culture
  • Perform protective relay testing, calibration, troubleshooting, and commissioning on medium- and high-voltage systems
  • Test and validate transmission and distribution protection schemes, including:
    • Distance, differential, overcurrent, breaker failure, and bus protection
  • Verify control and protection circuits for:
    • Power transformers
    • Medium- and high-voltage circuit breakers
    • Feeder relays
    • Capacitor banks and reactors
  • Support outage planning, switching coordination, energization, and restoration activities
  • Perform event analysis, relay target review, and disturbance investigations
  • Lead and mentor onsite technicians; coordinate work execution with project managers, system operators, and utility customers
  • Create and maintain accurate test reports, as-left settings, and field documentation
  • Participate in job walks, project estimating, and customer technical discussions
  • Serve as a technical resource and trainer for developing relay technicians

Travel Requirements:
Work is performed at customer sites throughout the assigned region. Regular regional travel is required, with opportunities for extended assignments outside the region as needed.
• Company vehicle provided for regional work-related travel.
What You Bring
  • 5+ years of hands-on experience in protective relaying for utility substations
  • Demonstrated experience testing medium- to high-voltage (5kV-500kV) protection systems
  • Strong working knowledge of microprocessor-based relays
  • Experience with modern relay test platforms
  • Solid understanding of utility safety rules, energized work practices, and lockout/tagout procedures
  • Ability to interpret:
    • Protection diagrams
    • AC/DC schematics
    • Wiring and logic drawings
  • Valid driver's license; ability to work outdoors, travel, and lift up to 70 lbs

Education & Credentials
  • NETA Level III or IV Certification preferred for Senior roles
    (Candidates at other NETA levels are encouraged to apply for opportunities across the organization)
  • Experience with:
    • Circuit breakers
    • Power transformers
    • Switchgear
    • RTUs and substation communications
  • Technical degree, apprenticeship, or military electrical training
  • OSHA 10 or OSHA 30
  • Valid driver's license with a clean driving history

What We Offer
At Asplundh Electrical Testing, we invest in the well-being of our people. Eligible employees enjoy a comprehensive benefits package designed to support their health, financial security, and work-life balance, including:
  • Medical, dental, and vision coverage starting on day one
  • Retirement plan to help you secure your future
  • Company-provided life insurance for added peace of mind
  • Supplemental life insurance options, including spouse and child coverage
  • A variety of voluntary Aflac supplemental insurance programs
  • Long-term disability coverage
  • Pre-paid legal plan
  • Employee Assistance Program (EAP) to support personal and professional well-being
  • Paid time off to recharge and refresh
  • Paid holidays
  • Access to employee discount programs and helpful resources

*Benefits listed above are available to eligible employees. Eligibility requirements and plan provisions apply
Please note: For roles that fall within union-represented territories, certain benefits and employment terms may differ from what's listed here. In those cases, the applicable local union agreement will guide the specific benefits and provisions. We're committed to transparency and will walk you through what applies to your location during the hiring process.
Who We Are
Asplundh Electrical Testing (AET) has been a leading provider of independent electrical testing services since 1981. Headquartered in Foxboro, MA, with regional offices across the country, AET specializes in substation commissioning, acceptance testing, and maintenance for clients in electrical transmission, distribution, and generation. As a NETA-certified company and a member of Asplundh Engineering Services-a subsidiary of Asplundh Infrastructure Group-AET is committed to delivering reliable, high-quality services at competitive prices.
An Asplundh Company
As part of the Asplundh family, AET benefits from extensive resources and a century of experience. Together, we provide utilities with comprehensive end-to-end services, from design to construction, testing, and maintenance, ensuring reliability and peace of mind.
Our Commitment
At AET, we believe in tackling challenges together with our customers, leveraging our collective experience and resources to achieve success in every project.
Benefits
We offer a competitive range of benefits to support our employees' health, well-being, and financial security. Medical, dental, and vision benefits are available to all eligible employees on the first day of employment. For more information on the benefits available for this role, please contact the recruiter or hiring manager.
Individuals with a disability who desire a reasonable accommodation can contact the ADA Coordinator by calling 1-833-222-3066. We partner with the Department of Homeland Security/U.S. Customs and Immigration Service to e-Verify all newly hired employees.
An Equal Opportunity Employer.
Please note:
  • All job offers are subject to pre-employment drug screening and a background check.
  • Unless otherwise noted, we do not sponsor employees for work authorization in the U.S. for this position.
Notice to Agencies: We only accept resumes from recruiters, employment agencies, or staffing services if a Service Agreement has been signed and we have requested recruitment/staffing services for the specific position. Any unsolicited resumes will become the property of the company, and no fees or compensation will be paid to the recruiter, employment agency, or staffing service.

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