Engineer; HVAC & Plumbing

Current job opportunities are posted here as they become available.

Department: Engineering – Mechanical
Location: Tulsa, OK – Hybrid work model available after onboarding (Tulsa-based role)

Cyntergy is seeking a motivated and detail-oriented Entry-Level Mechanical Engineer to join our multi-discipline engineering team. This role focuses on supporting the design and development of HVAC and Plumbing building systems across a wide range of project types, including commercial, institutional, and government facilities.

The Entry-Level Mechanical Engineer works closely with licensed engineers, designers, and other disciplines to develop coordinated construction documents while building a strong technical foundation through mentorship and hands-on project experience. This position is ideal for a recent graduate or early-career engineer eager to learn, grow, and advance toward professional licensure.

• Assist in the design and layout of HVAC and plumbing systems under the direction of licensed engineers.
• Perform engineering calculations, including heating and cooling loads, ventilation analysis, and equipment sizing.
• Develop construction documents, including drawings, schedules, and details, using industry-standard software.
• Assist with HVAC system design including air distribution, hydronic systems, and equipment selection.
• Support plumbing system design including domestic water, sanitary, and storm systems.
• Coordinate design efforts with architectural, structural, electrical, and other engineering disciplines.
• Participate in internal design reviews and quality control processes to ensure accuracy and consistency.
• Support project planning, scope development, and schedule adherence.
• Assist with construction administration activities, including responding to RFIs and reviewing submittals.
• Learn and apply applicable codes, standards, and best practices related to mechanical building systems.

• 0–4 years of experience in mechanical engineering, HVAC design, plumbing design, or MEP consulting (internships and co-ops included).
• Fundamental understanding of HVAC and plumbing systems.
• Familiarity with AutoCAD, Revit (BIM), and Microsoft Excel; exposure to load calculation or energy analysis tools is a plus.
• Strong analytical, organizational, and problem-solving skills.
• Ability to work effectively in a collaborative, team-oriented environment.

• Engineer-in-Training (EIT) certification or intent to obtain.
• Interest in pursuing Professional Engineer (PE) licensure.
• Exposure to building codes and standards (IMC, ASHRAE, IPC, etc.).
• Internship or co-op experience in an A/E or MEP consulting environment.
• Technical Curiosity & Willingness to Learn

Cyntergy is a dynamic, multi-discipline firm with a strong local presence in Tulsa and a national reach. We offer a collaborative culture that encourages professional growth, community involvement, and personal development. Our team enjoys a modern work environment, competitive compensation, and a comprehensive benefits package for eligible employees.

Interested candidates are encouraged to submit a resume and portfolio (if applicable) through Cyntergy’s careers page or applicant tracking system.

This job description is intended to describe the general nature and level of work being performed. It is not intended to be an exhaustive list of all responsibilities, duties, and skills required of the position.