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4Th Class Engineer Jobs (NOW HIRING)

Prizmah

4th Grade Boys Secular Studies Teacher

Miami, FL · On-site

$47K - $57K/yr

Responsibilities As a 4th grade secular studies teacher you will teach a class of about 20-22 boys ... With rich educational Limudei Kodesh and General Studies programming, the elementary division ...

ND Paper

Cogen Recovery Utility

Rumford, ME · On-site

$30.86 - $46.49/hr

Receive instructions from steam engineers regarding steam plant and air compressor operations Qualifications * 4th Class Stationary Steam preferred but not required. * Bachelor's degree or equivalent ...

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 ...

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 ...

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 ...

Maine Medical Center

Manager - Facilities

Sanford, ME · On-site

$83K - $112K/yr

License/Certifications: 4th class Stationary Engineers License required. Valid Maine Driver's license. * Experience: See "Education". Three to five (3-5) years in the hospital or service field.

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

$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 ...

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4th Class Engineer information

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

Aspect4Th Class Engineer3Rd Class Engineer
Required Certifications4Th Class Engineer License3Rd Class Engineer License
Work EnvironmentMarine vessels, ships, or maritime facilitiesMarine vessels, ships, or maritime facilities
Employer & Industry UsageCommonly employed in maritime industry for entry-level engine room rolesMore advanced roles in marine engineering, often supervising or assisting higher classes

The main difference between a 4Th Class Engineer and a 3Rd Class Engineer lies in their certification levels and responsibilities. A 4Th Class Engineer holds an entry-level license suitable for basic engine room duties, while a 3Rd Class Engineer has a higher certification allowing for more complex tasks and supervisory roles. Both roles are essential in maritime operations, but the 3Rd Class Engineer typically has more experience and technical authority.

Is a 4th Class Power Engineer job in demand?

A 4th Class Power Engineer position is generally in demand in industries such as manufacturing, energy, and facilities management, especially in regions with a strong industrial base. The role requires certification and technical skills, and demand can vary based on regional economic activity and infrastructure needs.

What is a 4th class engineer?

A 4th class engineer is a licensed engineering professional responsible for operating and maintaining machinery and systems on ships or in industrial settings. They typically hold a certification that qualifies them to work under the supervision of higher-class engineers and may perform tasks such as troubleshooting, repairs, and routine inspections. Certification requirements vary by jurisdiction and industry standards.

What cities are hiring for 4Th Class Engineer jobs?

Cities with the most 4Th Class Engineer job openings:

What states have the most 4Th Class Engineer jobs?

States with the most job openings for 4Th Class Engineer jobs include:

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

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

Infographic showing various 4Th Class Engineer job openings in the United States as of September 2026, with employment types broken down into 50% Full Time, and 50% Part Time. Highlights an 100% In-person job distribution.

Power House Operator (Boiler Maintenance Technician)

Cudahy, WI • On-site

ATI
See more jobs at ATIexternal

Full-time

Posted 5 days ago

Job description

Creating Long-Term Value Thru Relentless Innovation

ATI is a global manufacturer of technically advanced specialty materials and complex components. Our products support diverse markets and industries such as aerospace and defense, oil & gas, electrical energy, medical, automotive, and other industrial markets.

This position is responsible for the operation of power house equipment to include air compressors, boilers, engines, generators, control panels, pumps, etc. used to supply power and steam for manufacturing and heating.
Primary responsibilities include:
  1. Operates air compressor, boilers, and auxiliary equipment to furnish air, steam for power, heat and/or processing.
  2. Work from scheduled power needs, check lists, and follow established procedures.
  3. Start and shut down equipment; change over boilers as directed.
  4. Regulate firing and output to safely meet system needs.
  5. Check equipment periodically; recognize and report defective or malfunctioning equipment.
  6. Clean boilers, perform general maintenance work and assist in replacing equipment in and around boiler room.
If you are organized, motivated and can work independently and as a part of a dynamic team, please contact us. We offer excellent salary compensation, and a comprehensive benefits package. For consideration, submit your resume and salary requirements.
ATI Forged Products produces and markets a wide range of specialty metal alloys, including titanium, nickel, and steel forgings to end use markets such as aerospace, energy, oil & gas, and general industrial markets. We have several operating facilities and deliver products to customers globally.

ATI and its subsidiary companies will provide equal employment opportunities to all applicants without regard to applicant's race, color, religion, sex, gender, genetic information, national origin, age, veteran status, disability status, or any other status protected by federal or state law. The company will provide reasonable accommodations to allow an applicant to participate in the hiring process if so requested.
  • High school diploma or equivalent.
  • Excellent oral and written communication.
  • National Institute for Uniform Licensing of Power Engineers Inc. (NIULPE) or American Society of Power Engineers Fourth Class license (ASPE), or 4 years of equivalent experience required.

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