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1St 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

$80 - $100/hr

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) * Experience with ...

First Class Engineer

Olney, MD · On-site

$34.54 - $57/hr

To ensure all equipment and systems are properly operating for a maximum safety and comfortable ... Experience * 1-2 years 2-3 years of experience as first class engineer required * Previous ...

First Class Engineer

Olney, MD · On-site

$34.54 - $57/hr

To ensure all equipment and systems are properly operating for a maximum safety and comfortable ... Experience * 1-2 years 2-3 years of experience as first class engineer required * Previous ...

First Class Engineer

Olney, MD · On-site

$34.54 - $57/hr

To ensure all equipment and systems are properly operating for a maximum safety and comfortable ... Experience * 1-2 years 2-3 years of experience as first class engineer required * Previous ...

Operating Engineer

Charleston, SC · On-site

$80 - $100/hr

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) * Experience with ...

Operating Engineer

Charleston, SC · On-site

$65K - $88K/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

Saint Paul, MN · On-site

$45.68/hr

Minnesota First Class B Boiler Operator's license * Possesses exceptional knowledge of high ... Local 70 - Engineers Benefits At Macalester, we are proud to offer excellent comprehensive employee ...

Operating Engineer

Saint Paul, MN · On-site

$45.68/hr

Minnesota First Class B Boiler Operator's license * Possesses exceptional knowledge of high ... Local 70 - Engineers Benefits At Macalester, we are proud to offer excellent comprehensive employee ...

Operating Engineer

Charleston, SC · On-site

$65K - $88K/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

Charleston, SC · On-site

$65K - $88K/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 ...

$80 - $100/hr

Required Minnesota First Class B Boiler Operator's license. * Possesses exceptional knowledge of ... Local 70 - Engineers Equal Opportunity Employer Macalester College does not discriminate on the ...

First Class Engineer

Washington, DC · On-site

$27.14 - $36.18/hr

First Class Engineer Worker Type: Regular Pay Type: Hourly Exempt Status: No Compensation Grade (Track/Level): S3 Hiring Range (Commensurate with experience and qualifications): $27.14-$36.18 Salary ...

$27.14 - $36.18/hr

First Class Engineer Worker Type: Regular Pay Type: Hourly Exempt Status: No Compensation Grade (Track/Level): S3 Hiring Range (Commensurate with experience and qualifications): $27.14-$36.18 Salary ...

Showing results 21-40

1st Class Operating Engineer information

See salary details

$33K

$89.2K

$142K

How much do 1st class operating engineer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for 1st class operating engineer in the United States is $89,183.00, according to ZipRecruiter salary data. Most workers in this role earn between $66,500.00 and $109,000.00 per year, depending on experience, location, and employer.

What is a 1st class operating engineer?

1st Class Operating Engineers are highly skilled professionals responsible for the operation, maintenance, and repair of complex building systems, including heating, ventilation, air conditioning (HVAC), and mechanical equipment. They work in large facilities such as commercial buildings, hospitals, or industrial plants to ensure all systems run safely and efficiently. This role typically requires advanced certification and several years of experience in building operations. 1st Class Operating Engineers may also supervise junior staff and ensure compliance with safety and environmental regulations.

What are the key skills and qualifications needed to thrive as a 1st class operating engineer, and why are they important?

To thrive as a 1st Class Operating Engineer, you need extensive knowledge of boiler systems, HVAC, and mechanical operations, typically proven by a 1st Class Operating Engineer certification or license. Familiarity with building automation systems, maintenance management software, and regulatory compliance tools is essential. Strong problem-solving, attention to detail, and effective communication skills help engineers respond to emergencies and coordinate with facility teams. These abilities ensure safe, efficient operation of complex building systems and minimize costly downtime.

What are some common challenges faced by a 1st class operating engineer, and how can they be managed effectively?

One of the key challenges for a 1st Class Operating Engineer is managing multiple systems simultaneously, such as HVAC, boilers, and electrical systems, especially during peak demand or emergency situations. Staying organized and communicating clearly with team members and other departments is crucial for responding quickly to issues. Proactively performing regular inspections and preventive maintenance helps reduce unexpected breakdowns, while ongoing training ensures you stay updated on evolving technologies and safety protocols. Building strong relationships with colleagues and maintaining accurate records can also improve workflow and minimize downtime.

What is the difference between 1St Class Operating Engineer vs 2nd Class Operating Engineer?

Aspect1St Class Operating Engineer2nd Class Operating Engineer
CredentialsRequires higher-level licenses and certificationsRequires intermediate licenses and certifications
Work EnvironmentOperates complex equipment, often in large facilities or plantsHandles routine equipment operation and maintenance
Employer UsageUsed in large industrial, power, or municipal facilitiesCommon in smaller facilities or as entry-level roles

The main difference between a 1St Class Operating Engineer and a 2nd Class Operating Engineer lies in their certification requirements, scope of responsibilities, and work environment. 1St Class engineers typically operate more complex systems and require higher credentials, while 2nd Class engineers handle more routine tasks with intermediate certifications. Both roles are essential in maintaining efficient facility operations, but the 1St Class position generally involves more advanced technical skills and responsibilities.

What cities are hiring for 1St Class Operating Engineer jobs?

Cities with the most 1St Class Operating Engineer job openings:

What states have the most 1St Class Operating Engineer jobs?

States with the most job openings for 1St Class Operating Engineer jobs include:

What are popular job titles related to 1St Class Operating Engineer jobs?

For 1St Class Operating Engineer jobs, the most frequently searched job titles are:

Infographic showing various 1St Class Operating Engineer job openings in the United States as of June 2026, with employment types broken down into 1% As Needed, 82% Full Time, 15% Part Time, and 2% Contract. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $89,183 per year, or $42.9 per hour.

Operating Engineer

Arlington, VA • On-site

$80K - $108K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 5 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