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4Th Class Operator Jobs (NOW HIRING)

Maine Medical Center

Boiler Operator

Biddeford, ME · On-site

$25.24 - $34.16/hr

State license as a Boiler Operator 3rd or 4th Class and/or Stationary Steam Engineer required. Valid Driver's License required * Experience: One year of relevant experience required. Additional ...

ND Pacaging

Cogen Recovery Utility

Rumford, ME · On-site

... * 4th Class Stationary Steam preferred but not required. * Bachelor's degree or equivalent operating 2+years' experience in Boiler operations * Power Engineering * Marine Engineering Pulp and Paper ...

ND Pacaging

Cogen Recovery Utility

Rumford, ME · On-site

... * 4th Class Stationary Steam preferred but not required. * Bachelor's degree or equivalent operating 2+years' experience in Boiler operations * Power Engineering * Marine Engineering Pulp and Paper ...

McLaren

Maintenance Mechanic

Flint, MI · On-site

$24.25 - $31.25/hr

Must possess valid State of Michigan Operator's license * Must meet approval by insurance carrier to drive hospital vehicles Preferred: * 4th class power engineering certification from NIULPE ...

Maine Medical Center

HVAC Mechanic

Biddeford, ME · On-site

$27.27 - $36.88/hr

State License as a Boiler Operator, 3rd or 4th Class and/or Stationary Steam Engineer within one year of start date required. Valid Driver's License required. * Experience: Three years of experience ...

McLaren Flint

Maintenance Mechanic

Flint, MI

$24.25 - $31.25/hr

Must possess valid State of Michigan Operator's license * Must meet approval by insurance carrier to drive hospital vehicles Preferred: * 4th class power engineering certification from NIULPE ...

Maine Medical Center

HVAC Mechanic

Brunswick, ME · On-site

$27.27 - $36.88/hr

State License as a Boiler Operator, 3rd or 4th Class and/or Stationary Steam Engineer within one year of start date required. Valid Driver's License required. * Experience: Three years of experience ...

mkecounty

Power Plant Operator - CRC

Franklin, WI · On-site

$32.01 - $48.01/hr

NIULPE 4th Class Stationary Engineer license OR ASOPE 2nd Class license OR City of Milwaukee High-Pressure Boiler Operator's permit (higher-class permits accepted) required * The steam plant operates ...

mkecounty

Power Plant Operator - CRC

Franklin, WI · On-site

$32.01 - $48.01/hr

NIULPE 4th Class Stationary Engineer license OR ASOPE 2nd Class license OR City of Milwaukee High-Pressure Boiler Operator's permit (higher-class permits accepted) required * The steam plant operates ...

J.D. Irving

Boiler Operator

Dixfield, ME · On-site

$28 - $39/hr

Preferred Maine 4th Class Boiler Operator License or higher. * Experience: 2-5 years of relevant work experience in boiler operations. * Willingness to work rotating shifts, including nights and ...

J.D. Irving

Boiler Operator

ME · On-site

$28 - $39/hr

Preferred Maine 4th Class Boiler Operator License or higher. * Experience: 2-5 years of relevant work experience in boiler operations. * Willingness to work rotating shifts, including nights and ...

J.D. Irving

Boiler Operator

Dixfield, ME · On-site

$28 - $39/hr

Preferred Maine 4th Class Boiler Operator License or higher. * Experience: 2-5 years of relevant work experience in boiler operations. * Willingness to work rotating shifts, including nights and ...

J.D. Irving

Boiler Operator

Dixfield, ME · On-site

$28 - $39/hr

Preferred Maine 4th Class Boiler Operator License or higher. * Experience: 2-5 years of relevant work experience in boiler operations. * Willingness to work rotating shifts, including nights and ...

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4Th Class Operator information

See salary details

$10

$23

$37

How much do 4th class operator jobs pay per hour?

As of Sep 9, 2026, the average hourly pay for 4th class operator in the United States is $23.04, according to ZipRecruiter salary data. Most workers in this role earn between $18.03 and $21.88 per hour, depending on experience, location, and employer.

What is the difference between 4Th Class Operator vs 3Rd Class Operator?

Aspect4Th Class Operator3Rd Class Operator
Required CertificationsBasic certification, often a high school diploma or equivalentAdvanced certification, including additional training or licensing
Work EnvironmentEntry-level positions in industrial, manufacturing, or utility settingsMore complex roles with increased responsibilities in similar environments
Employer & Industry UsageCommon in power plants, factories, and utilitiesOften promoted from 4Th Class, used in similar industries

The main difference between a 4Th Class Operator and a 3Rd Class Operator lies in certification level, experience, and responsibilities. 3Rd Class Operators typically have more advanced training and handle more complex tasks, often supervising or managing 4Th Class Operators. Both roles are essential in industrial settings, with the 3Rd Class Operator serving as a step up in career progression.

Is a 4Th Class Operator job in demand?

The demand for 4th Class Operator jobs varies by industry and region but generally remains steady in sectors such as manufacturing, utilities, and transportation that require operational skills and certifications. Employment opportunities depend on industry growth, technological changes, and the availability of qualified candidates with the necessary licensing and safety training.

What are popular job titles related to 4Th Class Operator jobs?

For 4Th Class Operator jobs, the most frequently searched job titles are:

Infographic showing various 4Th Class Operator job openings in the United States as of September 2026, with employment types broken down into 1% As Needed, 63% Full Time, 35% Part Time, and 1% Contract. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $47,930 per year, or $23 per hour.

Boiler Operator

Biddeford, ME • On-site

Maine Medical Center
See more jobs at Maine Medical Centerexternal

$25.24 - $34.16/hr

Full-time

Re-posted 22 days ago

Maine Medical Center rating

6.9

Company rating: 6.9 out of 10

Based on 57 frontline employees who took The Breakroom Quiz

543rd of 1,066 rated hospitals

Job description

Description
MaineHealth Corporate
Service/Maintenance Support
Req #: 84893
Summary
The Boiler Operator role is responsible for providing safe and efficient operation of boilers and related equipment to produce steam, hot water, air conditioning, and heat throughout the building. Performs general maintenance as needed.
Required Minimum Knowledge, Skills, and Abilities (KSAs)
  1. Education: High school diploma or GED preferred.
  2. License/Certifications: State license as a Boiler Operator 3rd or 4th Class and/or Stationary Steam Engineer required. Valid Driver's License required
  3. Experience: One year of relevant experience required.
    Additional Information
    MaineHealth is committed to fostering a supportive, inclusive environment where care team members can thrive while making a meaningful impact in the communities we serve across Maine and New Hampshire. We offer competitive benefits including paid parental leave, flexible work options, student loan assistance, professional development opportunities, and well-being resources-so you can grow your career while feeling supported both personally and professionally.
    We recognize the value each team member brings to our organization. Any offer of employment will depend on qualifications such as skills, relevant experience, education, certifications, and other job-related factors. The base range is an estimate and does not reflect the full value of our total compensation package.
    The pay range for this position is $25.24 to $34.16 per hour.
    Compensation for part-time positions is determined on a prorated basis consistent with the scheduled hours and applicable full-time equivalent (FTE).
    In addition to base pay, MaineHealth offers comprehensive benefits, recognition programs, career growth opportunities, and, where applicable, shift differentials or other incentives.
    If you have questions about this role, please contact [email protected]
    Hiring Scam Alert
    MaineHealth will never request financial information during the interview or pre-hiring process. All legitimate communications will come from an email address ending in @mainehealth.org. If you suspect fraudulent activity, please report it immediately to [email protected] .
    Notice Regarding Maine Employer Surveillance Statute: Pursuant to Maine's Employer Surveillance Statute, prospective care team members are notified that MaineHealth may monitor, collect, record, review, or retain information related to the use of its systems, networks, applications, files, data, communications platforms (including notified recordings), smart badges, building access, company vehicle GPS data, business calls, and workplace security cameras.
    Information collected may be used for legitimate business purposes, including security, safety, compliance, investigations, training, quality assurance, and operational management.

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