Junior Mechanical Engineer

Selectek has an exciting opportunity with our client for a junior Mechanical Engineer to join their multi‑disciplinary firm. 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 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.

• Bachelor’s degree in mechanical engineering.
• 1–4 years of experience in mechanical engineering focused on HVAC design, plumbing design, or MEP consulting.
• Fundamental understanding of HVAC and plumbing systems.
• Familiarity with AutoCAD, Revit, and Microsoft Excel.
• Strong communication skills.

• Engineer in Training (EIT) certification.
• Interest in pursuing Professional Engineer (PE) licensure.
• Exposure to building codes & standards (IMC, ASHRAE, IPC).
• Exposure to load calculation or energy analysis tools.
• Internship or co‑op experience in an A/E or MEP consulting environment.

Sponsorship:
Citizen or Green Card Holder

Salary range: $70,000 - $80,000

Term of assignment:
Direct Hire

Pay method when direct:
Salary, no overtime pay

Location:

Tulsa, OK

Hours and shift:
Monday to Thursday, 7:30-5:30;
Half Days on Friday

Work from home:
Likely starting in the office with potential flexibility later

Working remote:
No

Overtime expected:
Occasionally

Travel:
Occasional, but not on a regular basis

Work attire:
Business Casual

Background check and drug test:
Yes required