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3Rd Class Class Power Engineer Jobs (NOW HIRING)

Amentum

Operating Engineer 3rd Class

Arlington, VA · On-site

The Engineer - 3rd Class is a licensed engineering professional responsible for the operation ... Experience with steam distribution systems, chilled water systems, and emergency power systems.

McLaren Flint

Maintenance Mechanic

Flint, MI · On-site

$24.25 - $31.25/hr

... class power engineering certification from NIULPE (National Institute for the Uniform Licensing of Power Engineers, Inc.) or has Third Class Stationary Engineer, licensed/registered by the State of ...

QCM, Inc.

Steam Engineer

Arlington, VA · On-site

National Institute for the Uniform Licensing of Power Engineers, Inc. (NIULPE) First Class Power Engineer License. * Washington DC, Department of Consumer and Regulatory Affairs, Board of Industrial ...

Dexterra

DC 3rd Class Engineer

Washington, DC · On-site

The DC 3rd Class Engineer is responsible for the safe and efficient operation and maintenance of all equipment at CMI's customer site in Washington, DC. Shift - Monday- Friday 2:00pm-10:00 Key Job ...

CMI Management

DC 3rd Class Engineer

Washington, DC · On-site

The DC 3rd Class Engineer is responsible for the safe and efficient operation and maintenance of all equipment at CMI's customer site in Washington, DC. Shift - Monday- Friday 2:00pm-10:00 Key Job ...

Dexterra

DC 3rd Class Engineer

Washington, DC · On-site

The DC 3rd Class Engineer is responsible for the safe and efficient operation and maintenance of all equipment at CMI's customer site in Washington, DC. Shift - Monday- Friday 2:00pm-10:00 Key Job ...

Owens Corning

Mechanic Third Class

Houston, TX · On-site

$32.15/hr

Maintenance Mechanic 3rd Class Job Title: Maintenance Mechanic 3rd - Class Department: Maintenance ... Expert use of hand and power tools. * Inspects plant equipment to identify potential problems prior ...

Eridu AI

Power Engineer

Saratoga, CA · On-site

Eridu is working with best-in-class supply chain partners including silicon, packaging and systems. Visit our website eridu.ai to learn more. Position Overview As a Power Engineer, you will develop ...

Eridu Corp.

Power Engineer

Saratoga, CA · On-site

$150 - $200/hr

Eridu is working with best-in-class supply chain partners including silicon, packaging and systems. Visit our website eridu.ai to learn more. Position Overview As a Power Engineer, you will develop ...

Iris Energy

Mechanical Lead

Childress, TX · On-site

$125 - $150/hr

Valid 3rd Class Power Engineering License (or ability to obtain/maintain per site/authority requirements) * 5+ years operating and maintaining industrial or mission-critical utility systems (data ...

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All Jobs3Rd Class Class Power Engineer Jobs

3rd Class Class Power Engineer information

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$105K

$125.2K

$144.5K

How much do 3rd class class power engineer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for 3rd class class power engineer in the United States is $125,176.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,500.00 and $135,000.00 per year, depending on experience, location, and employer.

What is the difference between 3Rd Class Class Power Engineer vs 2Nd Class Power Engineer?

Aspect3Rd Class Class Power Engineer2Nd Class Power Engineer
CertificationsRequires a 3rd Class Power Engineer CertificateRequires a 2nd Class Power Engineer Certificate
Work EnvironmentOperates in industrial, commercial, or institutional facilitiesHandles more complex systems, often in larger facilities
Job ResponsibilitiesMaintains and operates boilers, HVAC, and basic mechanical systemsManages advanced systems, troubleshooting, and system optimization

The main difference between a 3Rd Class Class Power Engineer and a 2Nd Class Power Engineer lies in certification level, scope of responsibilities, and complexity of systems managed. A 2Nd Class Power Engineer typically has more advanced training and handles more complex equipment, often in larger or more critical facilities. Both roles are essential in maintaining safe and efficient operations, but the 2Nd Class position requires higher certification and experience.

More about 3rd Class Class Power Engineer jobs

What states have the most 3Rd Class Class Power Engineer jobs?

States with the most job openings for 3Rd Class Class Power Engineer jobs include:

What are popular job titles related to 3Rd Class Class Power Engineer jobs?

For 3Rd Class Class Power Engineer jobs, the most frequently searched job titles are:

3rd Class Class Power Engineer jobs near you
Infographic showing various 3Rd Class Class Power Engineer 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 $125,176 per year, or $60.2 per hour.

Operating Engineer 3rd Class

Arlington, VA • On-site

Amentum
Guided Missile and Space Vehicle Manufacturing • 10K+ employees
Learn more about Amentumexternal

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 6 days ago

Job description

Amentum delivers world-class solutions through the expertise, dedication, and collaboration of our people. We partner with our customers to solve complex challenges and are committed to fostering a workplace where employees can grow, succeed, and make a difference. We are currently seeking a Operating Engineer 3rd Class.
The Engineer - 3rd Class is a licensed engineering professional responsible for the operation, maintenance, troubleshooting, and repair of complex mechanical, electrical, and HVAC systems within a facility.
This position plays a critical role in ensuring the safe, efficient, and reliable operation of building infrastructure and Central Plant equipment.
The Engineer - 3rd Class possesses extensive technical knowledge of boilers, steam and hot water systems, HVAC equipment, electrical systems, and associated mechanical equipment. Working with a high degree of independence, the Engineer performs preventive and corrective maintenance, responds to equipment failures, and ensures compliance with all applicable safety regulations, codes, and operational standards.
Essential Duties and Responsibilities
  • Operate, monitor, and maintain Central Plant equipment and building systems.
  • Perform preventive, predictive, and corrective maintenance on boilers, HVAC systems, pumps, motors, generators, and electrical equipment.
  • Troubleshoot mechanical and electrical issues and implement effective repair solutions.
  • Monitor system performance to ensure efficient and uninterrupted facility operations.
  • Conduct routine inspections of equipment and systems to identify maintenance needs and potential failures.
  • Respond to equipment malfunctions, alarms, and emergencies in a timely manner.
  • Maintain accurate maintenance records, operating logs, and regulatory documentation.
  • Ensure compliance with all safety procedures, environmental regulations, and facility policies.
  • Coordinate with facility management, contractors, and vendors as required to support maintenance and repair activities.
  • Assist with equipment upgrades, renovations, and capital improvement projects.
  • Support the training and development of less experienced engineering staff as needed.

Minimum Qualifications
  • Active Secret Security Clearance (required).
  • Valid District of Columbia 3rd Class Steam and Hot Water Heating Boiler Engineer License (required).
  • Minimum of three (3) years of experience in Engineering Services, facilities engineering, building operations, or a related field.
  • Demonstrated experience operating and maintaining boilers, HVAC systems, and complex building mechanical and electrical equipment.
  • Working knowledge of applicable safety regulations, codes, and industry standards.
  • Ability to read and interpret technical manuals, blueprints, and schematics.
  • Strong troubleshooting, problem-solving, and diagnostic skills.
  • Ability to work independently and effectively in a team environment.

Preferred Qualifications
  • Experience working in government, mission-critical, healthcare, laboratory, industrial, or large commercial facilities.
  • Familiarity with Building Automation Systems (BAS) and Computerized Maintenance Management Systems (CMMS).
  • Experience with steam distribution systems, chilled water systems, and emergency power systems.

Compensation Details:
$97,000-$105,000
The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.
Benefits Overview:
Our health and welfare benefits are designed to support you and your priorities. Offerings include:
  • Health, dental, and vision insurance
  • Paid time off and holidays
  • Retirement benefits (including 401(k) matching)
  • Educational reimbursement
  • Parental leave
  • Employee stock purchase plan
  • Tax-saving options
  • Disability and life insurance
  • Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.
Original Posting:
09/03/2026 - Until Filled
Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.
Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.

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