1

2Nd Class Operating Engineer Jobs (NOW HIRING)

Operating Engineer

Arlington, VA · On-site

$80K - $108K/yr

The Operating Engineer will serve as a senior-level licensed professional responsible for the ... Higher-class engineering license (2nd Class or 1st Class Boiler Engineer license) * EPA Universal ...

Operating Engineer

Arlington, VA · On-site

$85K - $120K/yr

The Operating Engineer will serve as a senior-level licensed professional responsible for the ... Higher-class engineering license (2nd Class or 1st Class Boiler Engineer license) * EPA Universal ...

Be Seen First

We are seeking an Engineer 2nd Class to perform a variety of work in the Central Plant and to repair buildings, facilities, and equipment on 2nd shift, 3:00PM - 11PM. Responsibilities: • Operates ...

Operating Engineer

Oakbrook Terrace, IL · On-site

$69K - $94K/yr

Our people at JLL are shaping the future of real estate for a better world by combining world class ... As a 2nd Shift Operating Engineer at JLL, you will be responsible for the installation, repair, and ...

Operating Engineer

Pittsburgh, PA · On-site

$67K - $91K/yr

This position requires a minimum class 4 City of Pittsburgh Power Engineers License or equivalent ... operating engineer: a minimum of three years' experience monitoring and operating building ...

... , 2nd class engineer (red seal), 3rd class engineer (blue seal), Low pressure operator (black seal), High pressure operator (black seal), 1st class power engineer, 2nd class power engineer, 3rd class ...

next page

Showing results 1-20

2Nd Class Operating Engineer information

See salary details

$79.5K

$137.5K

$186.5K

How much do 2nd class operating engineer jobs pay per year?

As of Jul 16, 2026, the average yearly pay for 2nd class operating engineer in the United States is $137,500.00, according to ZipRecruiter salary data. Most workers in this role earn between $90,000.00 and $185,000.00 per year, depending on experience, location, and employer.

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

Aspect2Nd Class Operating Engineer3Rd Class Operating Engineer
CredentialsRequires a 2nd Class license, often with additional experienceRequires a 3rd Class license, usually with less experience
Work EnvironmentOperates and maintains HVAC, boilers, and mechanical systems in buildingsPerforms similar tasks but under supervision or with limited responsibilities
Employer & IndustryCommonly employed in commercial, industrial, and institutional facilitiesTypically found in similar settings, often as entry-level or apprentice roles

The main difference between a 2Nd Class Operating Engineer and a 3Rd Class Operating Engineer lies in licensing requirements and level of responsibility. A 2Nd Class license allows for more independent operation and maintenance of complex systems, while a 3Rd Class license is often an entry-level certification with limited duties. Both roles are essential in maintaining building systems, but the 2Nd Class Operating Engineer has a broader scope of work and greater autonomy.

What are some typical challenges faced by a 2nd Class Operating Engineer, and how can they be addressed?

2nd Class Operating Engineers often encounter challenges such as maintaining complex mechanical systems under time constraints, managing unexpected equipment failures, and ensuring compliance with strict safety regulations. These challenges can be addressed by staying current with preventive maintenance schedules, participating in ongoing technical training, and fostering clear communication with other engineering staff and building managers. Being proactive and detail-oriented helps minimize downtime and ensures a safe, efficient work environment.

What are 2nd Class Operating Engineers?

A 2nd Class Operating Engineer is a professional responsible for operating, maintaining, and troubleshooting boilers, refrigeration, and other mechanical systems in buildings or industrial settings. They hold a 2nd Class certification, which allows them to manage equipment of a certain size and complexity, often under regulatory requirements. Their duties may include monitoring system performance, performing routine maintenance, keeping records, and ensuring safety procedures are followed. These engineers commonly work in facilities such as hospitals, schools, factories, or power plants. Advancement to higher classes may require additional training and experience.

What engineers make $200,000 a year?

Among engineering roles, petroleum engineers, aerospace engineers, and engineering managers often have salaries exceeding $200,000 annually, especially with experience, advanced certifications, or in senior positions. These roles typically require specialized skills, advanced degrees, and leadership responsibilities, and may involve working in high-demand industries or locations with higher cost of living.

What engineer makes $500,000 a year?

While most 2nd Class Operating Engineers earn significantly less, some highly experienced or specialized engineers working in large facilities, industrial plants, or with overtime and management responsibilities can reach or exceed $500,000 annually. Achieving this level typically requires extensive experience, certifications, and working in high-demand environments with premium compensation packages.

What are the key skills and qualifications needed to thrive as a 2nd Class Operating Engineer, and why are they important?

To thrive as a 2nd Class Operating Engineer, you need a solid understanding of mechanical systems, boiler operation, and relevant safety regulations, typically supported by a 2nd Class Operating Engineer certification. Familiarity with building automation systems, HVAC controls, and maintenance management software is commonly required. Strong problem-solving abilities, attention to detail, and effective communication skills help engineers respond to emergencies and collaborate with maintenance teams. These skills are crucial for ensuring the safe, efficient, and reliable operation of critical building systems.

How much does a second class engineer make?

A second class operating engineer typically earns between $50,000 and $80,000 annually, depending on experience, location, and the specific industry. They often require certification and operate machinery such as boilers, turbines, or HVAC systems in industrial or commercial settings.

What engineers make $300,000 a year?

Highly experienced engineers in specialized fields such as petroleum, aerospace, or software engineering can earn $300,000 or more annually, especially with advanced skills, certifications, and leadership roles. These positions often require extensive experience, advanced degrees, and work in high-demand industries or senior management levels.
More about 2Nd Class Operating Engineer jobs
What cities are hiring for 2Nd Class Operating Engineer jobs? Cities with the most 2Nd Class Operating Engineer job openings:
What states have the most 2Nd Class Operating Engineer jobs? States with the most job openings for 2Nd Class Operating Engineer jobs include:
Infographic showing various 2Nd Class Operating Engineer job openings in the United States as of July 2026, with employment types broken down into 1% As Needed, 64% Full Time, 34% Part Time, and 1% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $137,500 per year, or $66.1 per hour.

Operating Engineer

kgs

Arlington, VA • On-site

$80K - $108K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 11 days ago


Job description

Koniag Operations Services, LLC, a Koniag Government Services company, is seeking an Operating Engineer with a Top-Secret Security clearance to support KOS and our government customer in Arlington, VA. This position is for a Future New Business Opportunity.   

We offer competitive compensation and an extraordinary benefits package including health, dental and vision insurance, 401K with company matching, flexible spending accounts, paid holidays, three weeks paid time off, and more.


Koniag Operations Services, a Koniag Government Services company, is seeking an experienced Operating Engineer (3rd Class) to operate, maintain, and repair complex mechanical systems at our facility in Arlington, VA. The ideal candidate will be a licensed professional with extensive knowledge of boilers, HVAC systems, electrical equipment, and safety regulations.

 

The Operating Engineer will serve as a senior-level licensed professional responsible for the operation, maintenance, and repair of complex building mechanical systems. This position requires a high level of technical expertise, autonomy, and the ability to provide oversight and guidance to junior engineers.

Principal responsibilities will include but are not limited to:

  • Operate, monitor, and maintain boilers, HVAC systems, chillers, cooling towers, and associated mechanical equipment to ensure optimal performance and efficiency
  • Perform routine inspections, preventive maintenance, and repairs on electrical equipment, pumps, motors, and building automation systems
  • Troubleshoot and diagnose mechanical, electrical, and HVAC system failures, implementing effective solutions to minimize downtime
  • Monitor and adjust building systems to maintain proper temperature, humidity, and air quality levels throughout the facility
  • Ensure compliance with all safety regulations, building codes, and environmental standards in the operation of mechanical systems
  • Maintain accurate logs and records of equipment operation, maintenance activities, and system performance
  • Respond to emergency situations involving mechanical or electrical system failures, including after-hours and weekend calls as needed
  • Conduct safety inspections and ensure all equipment operates within established safety parameters
  • Provide technical guidance and oversight to junior engineers and maintenance staff
  • Coordinate with contractors and vendors for specialized repairs, installations, and system upgrades
  • Manage energy conservation initiatives to optimize building efficiency and reduce operational costs
  • Participate in the development and implementation of preventive maintenance programs
  • Ensure proper inventory levels of parts, supplies, and materials necessary for equipment maintenance and repair

 

Education and Experience:

Required:

  • High School Diploma or equivalent; Technical school or vocational training in building systems, HVAC, or mechanical engineering preferred
  • Valid 3rd Class Steam and Hot Water Heating Boiler Engineer license (DC jurisdiction) or ability to obtain upon hire
  • Minimum 3 years of experience in Engineering Services or facility operations

Clearance Requirement:

  • Active Top Secret security clearance

Required Skills and Competencies:

  • Comprehensive knowledge of boiler operations, HVAC systems, and building mechanical equipment
  • Strong understanding of electrical systems, controls, and building automation systems (BAS)
  • Extensive knowledge of safety regulations, OSHA standards, and environmental compliance requirements
  • Proven ability to troubleshoot complex mechanical and electrical problems and implement effective solutions
  • Strong analytical and problem-solving skills with attention to detail
  • Ability to read and interpret blueprints, schematics, technical manuals, and system diagrams
  • Proficiency in using diagnostic tools, testing equipment, and maintenance software
  • Excellent written and verbal communication skills to document work and coordinate with team members and management
  • Physical ability to perform manual labor, lift equipment up to 50 lbs, climb ladders, and work in confined spaces
  • Ability to work independently with minimal supervision and exercise sound judgment in decision-making
  • Strong organizational and time management skills to prioritize multiple tasks and emergency situations
  • Flexibility to work various shifts, respond to emergency calls, and provide on-call support as needed
  • Commitment to maintaining a safe work environment and following all safety protocols

 

Desired Skills and Competencies:

  • Experience working in federal government facilities or supporting government contracts
  • Higher-class engineering license (2nd Class or 1st Class Boiler Engineer license)
  • EPA Universal CFC certification for refrigerant handling
  • Experience with computerized maintenance management systems (CMMS)
  • Knowledge of Building Automation Systems (BAS) such as Johnson Controls, Trane, or Siemens
  • Certifications in HVAC, electrical systems, or related building trades
  • Experience with energy management and sustainability initiatives
  • Supervisory or leadership experience overseeing engineering or maintenance teams
  • Experience working in secure or classified environments

Our Equal Employment Opportunity Policy

The company is an equal opportunity employer. The company shall not discriminate against any employee or applicant because of race, color, religion, creed, ethnicity, sex, sexual orientation, gender or gender identity (except where gender is a bona fide occupational qualification), national origin or ancestry, age, disability, citizenship, military/veteran status, marital status, genetic information or any other characteristic protected by applicable federal, state, or local law. We are committed to equal employment opportunity in all decisions related to employment, promotion, wages, benefits, and all other privileges, terms, and conditions of employment.

The company is dedicated to seeking all qualified applicants. If you require an accommodation to navigate or apply for a position on our website, please get in touch with Heaven Wood via e-mail at accommodations@koniag-gs.com or by calling 703-488-9377 to request accommodations.

Koniag Government Services (KGS) is an Alaska Native Owned corporation supporting the values and traditions of our native communities through an agile employee and corporate culture that delivers Enterprise Solutions, Professional Services and Operational Management to Federal Government Agencies. As a wholly owned subsidiary of Koniag, we apply our proven commercial solutions to a deep knowledge of Defense and Civilian missions to provide forward leaning technical, professional, and operational solutions. KGS enables successful mission outcomes for our customers through solution-oriented business partnerships and a commitment to exceptional service delivery. We ensure long-term success with a continuous improvement approach while balancing the collective interests of our customers, employees, and native communities. For more information, please visit www.koniag-gs.com.

Equal Opportunity Employer/Veterans/Disabled. Shareholder Preference in accordance with Public Law 88-352