Mechanical Engineer – MEP / HVAC Design

FSB Architects + Engineers • Oklahoma City, OK

7d

About The Position

FSB, an affiliate of Colliers Engineering & Design, is a full-service architecture and engineering firm based in Oklahoma City, Oklahoma, with more than 80 years of design experience. The firm is seeking mechanical engineers to join its collaborative engineering team and work on projects across aviation, education, civic, tribal, commercial, mission-critical, and federal sectors. The role suits professionals developing toward project leadership as well as experienced engineers who can guide complex projects.

The position focuses on designing and documenting mechanical MEP systems, including HVAC, plumbing, building automation, and temperature controls. Engineers develop Revit models and project documentation, perform engineering calculations and energy modeling, apply codes and standards, and coordinate with clients and multidisciplinary teams. Responsibilities also include supporting quality reviews and construction administration. Mid- and senior-level engineers are expected to lead documentation and mentor junior staff.

FSB emphasizes cross-discipline collaboration among engineers, architects, interior designers, and technical experts, with a focus on producing innovative, buildable solutions. The company describes itself as an inclusive community and an equal opportunity employer.

Requirements

• Mid-level candidates: Bachelor's or master's degree in Mechanical Engineering.
• Mid-level candidates: FE exam passed and actively pursuing Professional Engineer (PE) licensure.
• Mid-level candidates: At least 5 years of progressive experience, with demonstrated ability to lead design efforts and coordinate small- to mid-scale projects.
• Senior Engineer candidates: Bachelor's or master's degree in Mechanical Engineering.
• Senior Engineer candidates: Active Professional Engineer (PE) license.
• Senior Engineer candidates: At least 10 years of progressive experience leading mechanical design.
• Proficiency in Revit is required.
• Strong understanding of mechanical building systems, MEP documentation, interdisciplinary coordination, building codes, ASHRAE standards, and construction administration.
• Strong communication and collaboration skills, including professional writing and verbal communication.
• Critical thinking, creativity, time management, adaptability, initiative, and the ability to work in a fast-paced, multi-project environment.
• Willingness to mentor and support junior team members.

Nice To Haves

• Experience with AutoCAD, BIM coordination, HVAC load calculation software, energy modeling tools, and Microsoft Office.
• Experience in consulting engineering, architecture and engineering, or building systems design, particularly for aviation, civic, commercial, tribal, mission-critical, or federal projects.

Responsibilities

• Design and document mechanical MEP systems, including HVAC, plumbing, building automation, and temperature controls for aviation, education, civic, tribal, commercial, and federal facilities.
• Produce Revit models, construction documents, drawings, specifications, diagrams, 3D models, and reports aligned with project goals.
• Perform heating and cooling load analyses, energy modeling, ventilation calculations, equipment sizing, and system selection.
• Apply building codes, ASHRAE standards, and industry guidelines to develop functional, compliant solutions.
• Participate in client meetings, design reviews, and team coordination.
• Collaborate with architects, engineers, consultants, and internal teams to deliver integrated project outcomes.
• Support QA/QC, construction administration, submittal reviews, RFIs, field observations, and coordination with contractors and owners.
• Lead project documentation and mentor junior staff in mid- and senior-level roles.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level