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1St Class Operating Engineer Jobs in Maryland (NOW HIRING)

MedStar Health

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 ...

MedStar Health

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 ...

MedStar Health

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 ...

Dexterra

MD 1st Class Engineer

Gaithersburg, MD

The MD 1st Class Engineer is responsible for the safe and efficient operation and maintenance of all equipment at CMI's 24/7 customer site in Gaithersburg, MD. Key Job Functions * Maintain the ...

Dexterra

MD 1st Class Engineer

Gaithersburg, MD · On-site

The MD 1st Class Engineer is responsible for the safe and efficient operation and maintenance of all equipment at CMI's 24/7 customer site in Gaithersburg, MD. Key Job Functions * Maintain the ...

JLL

Operating Engineer

Gaithersburg, MD

$75K - $101K/yr

Our people at JLL are shaping the future of real estate for a better world by combining world class ... We are seeking an Operating Engineer to support maintenance and repair operations within a ...

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1St Class Operating Engineer information

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 in Maryland are hiring for 1St Class Operating Engineer jobs?

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

Infographic showing various 1St Class Operating Engineer job openings in Maryland as of September 2026, with employment types broken down into 79% Full Time, 13% Part Time, 3% Temporary, and 5% Contract. Highlights an 100% In-person job distribution.

Senior Plant Operator

Baltimore, MD • On-site

Johns Hopkins Healthcare
Health Care and Social Assistance • 10K+ employees
Learn more about Johns Hopkins Healthcareexternal

Full-time

Re-posted 4 days ago

Johns Hopkins Medicine rating

7.7

Company rating: 7.7 out of 10

Based on 235 frontline employees who took The Breakroom Quiz

164th of 898 rated healthcare providers

Job description

The Senior Plant Operator operates and maintains Central Power Plant (CPP) steam generators, steam turbines, electrical chillers and auxiliary machinery. Oversees the work of the Jr. Plant Operator. This work is performed under general supervision, following standard procedures and using the tools and techniques of power plant operation and maintenance technology.
You Belong Here ! Come see why the Johns Hopkins Hospital is a world-renowned leader in patient care, serving the greater Baltimore community and patients from all across the globe. Our friendly and knowledgeable staff teams provide support throughout our many specialty departments and centers, from primary visits to emergency care.
What Awaits You?
  • Career growth and development
  • Diverse and collaborative working environment
  • Affordable and comprehensive benefits package including Tuition Assistance for you and your dependants!

Job Location: Johns Hopkins Hospital, Baltimore, MD
Shift: Full Time (40 hours), Evening Shift, Weekdays and weekends
Requirements:
  • High School Diploma or equivalent.
  • Current, valid First (1st) Class Operating Engineer license.
  • Completion of formal training in Boiler, Cooling Tower, Chiller, Pump, and Motor operation and maintenance at a vocational or technical school, college, or apprenticeship sponsor organization.
  • 5 years total related work experience.

Our competitive Benefit Package is designed to support the well-being and financial security of our employees. Visit https://jhh.mybenefitsjhhs.com/ .
Johns Hopkins Health System and its affiliates are an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity and expression, age, national origin, mental or physical disability, genetic information, veteran status, or any other status protected by federal, state, or local law.

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