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3Rd Class Engineer Jobs (NOW HIRING)

Procurement 3rd Class

Rapid City, SD · On-site

$18.75 - $23.50/hr

Procurement Clerk 3rd Class The Procurement Clerk 3rd Class is responsible for receiving, reviewing ... Coordinate mine-related engineering projects, including managing internal project employees ...

Power Plant - Oper Eng I

Rahway, NJ · On-site

$39.72 - $49.90/hr

NJ Blue Seal (1-C) 3rd Class Engineer License or Higher Position Qualifications: Minimum Education Requirement: * High School Diploma /GED Required experience and skills: New Jersey Blue Seal 3rd ...

Power Plant - Oper Eng I

Three Rivers, MI · On-site

$39.72 - $49.90/hr

NJ Blue Seal (1-C) 3rd Class Engineer License or Higher Position Qualifications: Minimum Education Requirement: * High School Diploma /GED Required experience and skills: New Jersey Blue Seal 3rd ...

Power Plant - Oper Eng I

Rahway, NJ · On-site

$39.72 - $49.90/hr

NJ Blue Seal (1-C) 3rd Class Engineer License or Higher Position Qualifications: Minimum Education Requirement: * High School Diploma /GED Required experience and skills: • New Jersey Blue Seal 3rd ...

Procurement 3rd Class

Rapid City, SD · On-site

$18.75 - $23.50/hr

The Procurement Clerk 3rd Class is responsible for receiving, reviewing, labeling, arranging, and ... Coordinate mine-related engineering projects, including managing internal project employees ...

Procurement 3rd Class

Rapid City, SD · On-site

$29.17 - $30.65/hr

The Procurement Clerk 3rd Class is responsible for receiving, reviewing, labeling, arranging, and ... Coordinate mine-related engineering projects, including managing internal project employees ...

Licensed operator (3rd Class engineer) who has less than a 2nd Class Engineer's license * Making progress toward a 2nd Class Engineer's License on a schedule mutually agreeable between Employee and ...

Chief Fireman

Methuen, MA · On-site

$46.79/hr

Massachusetts Third Class Engineer License. * 5 years minimum experience in steam power generation. * Demonstrates the ability to be thoroughly trained to meet organizational standards. * Thorough ...

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3Rd Class Engineer information

See salary details

$12

$33

$49

How much do 3rd class engineer jobs pay per hour?

As of Jun 5, 2026, the average hourly pay for 3rd class engineer in the United States is $33.43, according to ZipRecruiter salary data. Most workers in this role earn between $23.08 and $41.35 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a 3rd Class Engineer, and why are they important?

To thrive as a 3rd Class Engineer, you need a solid understanding of mechanical systems, thermodynamics, and safety protocols, usually backed by a 3rd Class Engineer’s certificate or license. Familiarity with boiler operation, HVAC systems, and digital monitoring tools is often required. Strong problem-solving abilities, attention to detail, and effective communication help you respond quickly to technical issues and work well in a team. These skills and qualifications ensure safe, efficient plant operations and compliance with regulatory standards.

What are some common challenges faced by 3rd Class Engineers in their day-to-day work?

3rd Class Engineers often encounter challenges such as balancing preventive maintenance with urgent repair tasks, adapting to new technologies in building systems, and ensuring compliance with safety regulations. They may also be required to work in shifts or on-call, which can affect work-life balance. Collaborating effectively with senior engineers, building management, and other maintenance staff is essential for resolving complex issues and maintaining smooth facility operations.

What is a 3rd Class Engineer?

A 3rd Class Engineer, also known as a Third-Class Power Engineer, is a certified professional responsible for operating and maintaining industrial boilers, pressure vessels, and related equipment under the supervision of higher-class engineers. They work in settings such as power plants, manufacturing facilities, and heating plants to ensure safe and efficient operation of mechanical systems. To become a 3rd Class Engineer, individuals typically need to complete technical training, acquire hands-on experience, and pass a provincial or state certification exam. Their responsibilities include monitoring equipment, performing maintenance, troubleshooting issues, and adhering to safety regulations.
More about 3Rd Class Engineer jobs
What cities are hiring for 3Rd Class Engineer jobs? Cities with the most 3Rd Class Engineer job openings:
What states have the most 3Rd Class Engineer jobs? States with the most job openings for 3Rd Class Engineer jobs include:
Infographic showing various 3Rd Class Engineer job openings in the United States as of May 2026, with employment types broken down into 70% Full Time, and 30% Part Time. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $69,537 per year, or $33.4 per hour.

OPERATING ENGINEER (3RD CLASS) (CLASS CODE 2410)

City of New Orleans, LA

New Orleans, LA • On-site

$45K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 15 days ago


Job description

Salary: $45,169.00 Annually
Location : 1340 Poydras Street, Suite 900, New Orleans, LA
Job Type: Probationary
Job Number: 10846/2410
Department: City Wide
Opening Date: 04/07/2023
Closing Date: Continuous
Kind of Work
Skilled mechanical work in the operation and maintenance of heating and/or air conditioning and accessory equipment in a public building; and related work as required.
Minimum Qualifications
Possession of a 3rd Class Boilers and 3rd Class Air Conditioning License issued by the Board of Examiners of Operating Engineers of the City of New Orleans (Room 7E05, City Hall)*
Experience in troubleshooting and servicing air conditioning units, including all types of control circuits, is preferred but not required.
* Prior to appointment, the hiring agency is required to verify 3rd Class Boilers and 3rd Class Air Conditioning License claimed by the applicant to qualify for this classification. If selected for hire, applicants must provide original documents of their qualifying credentials to the hiring agency prior to their start date in this job classification.
Kind of Examination
A qualifying review of license(s).
This is a non-competitive original entrance examination in accordance with Rule V, Section 8.1 (b) of the City Civil Service Rules.
General Information
THE CITY OF NEW ORLEANS IS AN EQUAL OPPORTUNITY EMPLOYER AND DOES NOT DISCRIMINATE ON THE BASIS OF RACE, COLOR, RELIGION, NATIONAL ORIGIN, GENDER, AGE, PHYSICAL OR MENTAL DISABILITY, SEXUAL ORIENTATION, CREED, CULTURE, OR ANCESTRY. REQUESTS FOR ALTERNATE FORMAT OR ACCOMMODATIONS SHOULD BE DIRECTED TO SHANA PARKER AT (504) 658-3516 OR TTY/VOICE AT (504) 586-4475 or (504) 658-4020.
DOMICILE REQUIREMENTS FOR EMPLOYMENT: Domicile requirements are currently waived for the purpose of application. However, all new full-time employees hired into this classification on or after January 1, 2013, must be domiciled in Orleans Parish within 180 days of hire. Public safety employees such as commissioned law enforcement officers hired by the New Orleans Police Department (NOPD), firefighters hired by the New Orleans Fire Department (NOFD), emergency medical technicians hired by the New Orleans Emergency Medical Services (NOEMS) and the recruits for these positions hired by these departments are excluded from this provision. Airport employees are excluded from this provision if the actual domicile of the employee is nearer to the employee's job site than the distance from the job site to the nearest point of Orleans Parish.
Additional exceptions to the domicile requirement may be made on a case-by-case basis. We encourage you to apply for this position and discuss your need for a domicile exception during the interview process.
DOMICILE REQUIREMENTS FOR EMPLOYMENT (SEWERAGE AND WATER BOARD):
Domicile requirements are currently waived for the purpose of application**. Residency requirements are waived for all Sewerage and Water Board of New Orleans positions vacant and advertised for at least 90 days. Employees hired under this waiver remain exempt from the city's residency requirement for the duration of their employment at the Sewerage and Water Board. (La R.S. 33:4076). **Additional exceptions to the domicile requirement may be made on a case-by-case basis. We encourage you to apply for this position and discuss your need for a domicile exception during the interview process.
BACKGROUND CHECK: The hiring department will conduct interviews of qualified individuals prior to requesting a criminal background check, and no job application submitted prior to such interview shall inquire into an applicant's criminal history. If this position is subject to a background check for any convictions related to its responsibilities and requirements, employment will be contingent upon successful completion of a background investigation including criminal history. Criminal history will not automatically disqualify a candidate.
APPLICATIONS: Applications will not be accepted if received after the closing date or after the stated maximum number of applications has been received, as specified on this announcement. All minimum qualification requirements for examinations must be met by the final filing date unless otherwise specified on this announcement.
DELAY IN THE MAIL: The Department of City Civil Service cannot be responsible for failure of the applicant to receive an admission slip to an examination or for failure of the Department to receive material mailed by the applicant. Applicants should notify the Department of City Civil Service in writing of any address changes The minimum age limit is 18 years for any class of work requiring hard physical labor, operation of or proximity to hazardous machinery, exposure to hazardous chemicals, or participation in any other processes or procedures which are prohibited or limited by the Louisiana State Child Labor Law.
WORKING TEST PERIOD: Effective August 1, 2023, the working test (probationary) period for all positions in the classified service is one year.
SUBSTANCE ABUSE TESTING: The City of New Orleans has a comprehensive program of substance abuse testing. Candidates for employment for certain positions where the health, welfare and/or safety of the public, co-workers and the individual employee is at risk will have to undergo pre-employment substance abuse screening. Candidates for all other original entrance positions will have to undergo an unannounced substance abuse screening during their working test period. For further information, see Civil Service Rule V, Section 9.
A MEDICAL EXAMINATION is required for all original entrance probationary appointments to ACTIVE classifications, and may be required for re-employment, promotions and/or transfers.
A MEDICAL SCREENING, which may result in a medical examination, is required for all original entrance probationary appointments to non-active classifications.
GOOD MORAL CHARACTER is required of all applicants. Any applicant may be disqualified if his/her character or past employment record is found to be unsatisfactory as determined by the Department of City Civil Service. Forgery, misrepresentation of facts, or cheating on examinations is punishable by disqualification, fine and other penalties.
IMPORTANT: Applicants who are licensed to drive should have a current license on their person for purposes of identification during all phases of an examination. In lieu of such license, the Department of City Civil Service may require that applicants have some form of picture identification.
VETERANS PREFERENCE: On original entrance examinations, veterans (as defined in Article X, Section 10(2) of the Constitution of the State of Louisiana), disabled veterans, certain spouses and parents of veterans shall receive additional credit if claimed as provided on the Veterans Preference claim form which can be obtained in this office. To obtain credit, this form must be submitted with the required proof (at the minimum, a DD214) before the final filing date.
HIGH SCHOOL DIPLOMA AND GENERAL EQUIVALENCY DIPLOMA (GED) must be issued by a state Department of Education or an institution recognized by a state Department of Education. Certificates of completion, high school diplomas and GED from institutions not recognized by a state Department of Education are not acceptable. High School diplomas from foreign countries will be accepted if the applicant submits a statement of educational equivalency from one of the evaluation services accepted by the Department of Civil Service. A list of the accepted evaluation services can be found on the National Association of Credential Evacuation Services (NACES) website (www.naces.org).
ACCREDITED COLLEGES AND UNIVERSITIES: An accredited college or university is an institution that is accredited by an organization that is recognized by the USDE (United States Department of Education) as an Institutional Accreditor. College diplomas from foreign countries will be accepted if the applicant submits a statement of educational equivalency from one of the evaluation services accepted by the Department of Civil Service. A list of the accepted evaluation services can be found on the National Association of Credential Evacuation Services (NACES) website (www.naces.org).
EXPERIENCE: Applicants will not receive credit for unpaid work unless specified on the job announcement. Partial credit only will be given for related part time employment. Civil Service reserves the right to determine which degrees, education, or other credentials are related or closely related. Experience credit will be granted for related provisional appointments (internal applicants).
PROFESSIONAL ADMINISTRATIVE EXPERIENCE: The Civil Service Department defines this experience as experience gained in a position that required a Bachelor's Degree upon entrance.
OFFERS OF EMPLOYMENT OR PROMOTION: Prior to appointment, the hiring agency is required to verify education, driver's license, and/or professional licenses/certifications claimed by the applicant to qualify for this classification. If selected for hire, applicants must provide original documents of their qualifying credentials to the hiring agency prior to their start date in this job classification. Offers of employment or promotion are required to be withdrawn for applicants who are found to have misrepresented their credentials during the application process.
Revised 1/91, 4/03, 7/05, 2/07, 8/10, 2/12, 8/15, 6/16, 1/17, 1/19, 2/23, 8/23, 3/24, 6/24, 2/25, 3/26.
Employment with the City of New Orleans brings many great benefits.
Want work-life balance?
  • 14 paid holidays in 2026.
  • 13 paid vacation days per year including during your first year of employment. Additional bonus vacation days the longer you are employed.
  • 13 paid sick days per year including during your first year of employment. Additional bonus sick days the longer you are employed.
  • Use or lose your days, off? Not here! You can roll an unlimited number of unused sick days and up to 45 unused vacation days to the next year.
  • We pay you for unused vacation and sick days when you leave City government.
  • Depending on your job, your department may also offer remote work, flexible schedules, and/or shift work.

Thinking of starting a family or adding to your family?
  • We offer 12 weeks of paid time off for bonding with a newborn, adopted, or fostered child. This is in addition to your sick and vacation leave. Full-time employees with one year of service qualify for this program.

Need insurance for you and/or your family?
  • We offer healthcare plans as low as $60.31 biweekly for individual employees. Our plan covers medical, prescription drugs, dental, and vision. Hate going to the doctor's office? It also includes access to telemedicine. Plan members can also opt to cover their children, spouses and same or opposite sex registered domestic partners.
  • We also offer a Flexible Spending Account that can reduce taxes for employees by allowing for pre-tax contributions for healthcare, childcare, and commuter costs.
  • A completely free $25,000 life insurance policy is also available for all full-time employees.

Have student loan debt?
  • The City of New Orleans is a qualified employer under the federal Public Service Loan Forgiveness Program (PSLF).

Are you part of the FIRE (Financially Independent/Retire Early) movement? Don't want to work forever? We have options to help.
  • Pension, Pension, Pension! Depending on your job you can participate in one of several pension systems and enjoy this great benefit.
  • You can also participate in a Deferred Compensation Plan (457b) which allows you to defer up to $24,500 of your pretax income each year to supplement your retirement savings.

Let's talk pay
  • We offer competitive pay including pay increases based on the length of your employment. We also offer special pays for educational advancement, professional certifications and specialized work assignments.

Love to learn?
  • Our Employee Growth and Development Division offers free courses in over 50 topics including Leadership, Personal Finance, Conflict Management, Excel, Managing Stress, and Business Writing.

We take care of our employees during emergencies
  • Employees who work during declared emergencies receive extra pay.
  • Employees who can't work due to emergency related workplace closures continue to receive their normal pay.

Want to make a difference?
  • We need you! Make an impact on our community through your work in City government!

These benefits apply to employees of the City of New Orleans. Employees of Sewerage and Water Board enjoy many of these same benefits, but some benefits offered may vary. A listing of benefits available to Sewerage and Water Board employees can be found
This description of benefits is intended to be informational and does not create a contractual entitlement to any listed benefit. The employee welfare and pension plan documents and applicable law govern the eligibility, vesting, and schedule of benefits, and the above description does not alter or interpret the plan documents or applicable law.
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The supplemental questions are a very important first step in our screening process. Therefore, you are required to complete these questions so that we may initially determine your eligibility for this position. A lack of detail and explanation in the supplemental questions and in your application may result in disqualification for this position. This means you will be ineligible for further consideration in this recruitment process. Please check "yes" to show that you have read and understand this statement.
  • Yes
  • No

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Do you have a 3rd Class Air Conditioning or Refrigeration Licen...