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3Rd Class Engineer Jobs in Tulsa, OK (NOW HIRING)

Oral Roberts University

Maintenance Mechanic

Tulsa, OK · On-site

$22 - $28.25/hr

Troubleshoot, repair and maintain proper water flow throughout building. * Assist plant engineers ... Third Class, First Class Limited or Specialty in Refrigeration, Steam, Plumbing or Electrical. Must ...

Oral Roberts University

Maintenance Mechanic

Tulsa, OK · On-site

$22.75 - $29.25/hr

Troubleshoot, repair and maintain proper water flow throughout building. * Assist plant engineers ... Third Class, First Class Limited or Specialty in Refrigeration, Steam, Plumbing or Electrical. Must ...

Oral Roberts University (ORU)

Maintenance Mechanic

Tulsa, OK · On-site

$22.75 - $29.25/hr

Troubleshoot, repair and maintain proper water flow throughout building. * Assist plant engineers ... Third Class, First Class Limited or Specialty in Refrigeration, Steam, Plumbing or Electrical. Must ...

Monte Cassino School

Maintenance Associate

Tulsa, OK · On-site

$13.75 - $19/hr

High School Diploma, Technical Schooling is desired, 3rd Class Stationary Engineer desired, six months to a year experience/training. * Clear criminal history and driving record. * Ability to read ...

Monte Cassino School

Maintenance Associate

Tulsa, OK · On-site

$13.75 - $19/hr

High School Diploma, Technical Schooling is desired, 3rd Class Stationary Engineer desired, six months to a year experience/training. * Clear criminal history and driving record. * Ability to read ...

Utulsa

Stationary Engineer III

Tulsa, OK · On-site

... (2nd and 3rd shift engineers), * Answers calls from across campus for temperature adjustments ... Valid First Class Unlimited Stationary Engineer's License from the City of Tulsa required.

Utulsa

Stationary Engineer III

Tulsa, OK · On-site

... (2nd and 3rd shift engineers), * Answers calls from across campus for temperature adjustments ... Valid First Class Unlimited Stationary Engineer's License from the City of Tulsa required.

Tutorperini

Project Manager

Tulsa, OK · On-site

Monitor third party work authorization. * Approve payments to suppliers and Subcontractors ... Submit Insurance claims to Safety Engineer. * Monitor CCIP activities and safety program. * Chair ...

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3Rd Class Engineer information

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.

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.
3Rd Class Engineer jobs near you
Infographic showing various 3Rd Class Engineer job openings in Tulsa, OK as of August 2026, with employment types broken down into 100% Full Time. Highlights an 92% In-person, and 8% Remote job distribution.

Assistant Building & Grounds Site Supervisor

Tulsa, OK • On-site

Tulsa Public Schools
Education • 5 - 10K employees

6.8

Company rating: 6.8 out of 10

Based on 30 frontline employees who took The Breakroom Quiz

312th of 635 rated elementary and secondary schools

People enjoy working here

Recommended by parents

Respectful managers

Learn more about Tulsa Public Schoolsexternal

$16.07 - $21/hr

Full-time

Re-posted just now

Job description

Full Job Description: Assistant Building & Grounds Site Supervisor
Grade: Based on school size, number of students, and existence of boiler and/or pool
H-9 ($14.74 - $18.94)
H-10 ($15.38 - $19.78)
H-11 ($16.07 - $21.00)
• 5% shift differential working 2:30 to 11:00 pm (subject to yearly board approval)
• 10% shift differential working 11:00 pm to 7:30 am (subject to yearly board approval)
Tulsa Public Schools' existing salary schedules provide career increment adjustments based on education/experience and/or years of creditable service. For more information about the salary for this specific position please review the Salary Schedule for the corresponding Salary Grade (listed above).
For more information on our comprehensive benefits packages, please visit: Compensation and Benefits website.
Position Summary: Assists the Building and Grounds Site Supervisor (BGSS) in the day-to-day operation of the custodial department and helps insure the general cleanliness and appearance of the entire facility. This position continuously checks the building and grounds, keeping the BGSS informed of any deficiencies. He/she may be responsible for maintaining a current city license to operate the boiler and to maintain the swimming pool if applicable. He/she may be required to act as the BGSS in their absence.
Minimum Qualifications:
Education:
• High school diploma or equivalent
Experience:
• One (1) year custodial experience
Specialized Knowledge, Licenses, Etc.:
• 3rd Class Engineers License if applicable
• Proficient or willing to learn Microsoft Office Suite and Google Office Suite
• Bilingual in Spanish preferred
Physical Requirements:
• Ability to lift, push, pull up to 50 lbs. with assistance
• Ability to climb ladders and scaffolds
About Our District: At Tulsa Public Schools, our mission is to inspire and prepare every student to love learning, achieve ambitious goals, and make positive contributions to our world. We are the destination for extraordinary educators and staff who work with our community and families to ignite the joy of learning and prepare every student for the greatest success in college, careers, and life. Our core values of equity, character, excellence, team, and joy guide how we work and interact with each other and our community.

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