Mechanical Engineer – MEP / HVAC Design

Fsb Ae; Oklahoma City (OK); On-site; USD 90,000 - 130,000; Full time

Job summary

Frankfurt-Short-Bruza Associates, P.C. is seeking Mechanical Engineers to join its Oklahoma City team. The role focuses on designing and documenting MEP systems, with emphasis on HVAC, plumbing, building automation, and energy modeling.

You will produce Revit models and construction documents for diverse facilities. Ideal candidates have PE licensure pursuit, 5+ to 10+ years of experience, and strong coordination with architects and other engineers.

Qualifications

• Degree in Mechanical Engineering with PE licensure path.
• 10+ years of progressive experience leading design efforts.

Responsibilities

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

Skills

Leadership

Communication

Mentorship

Team collaboration

Education

Bachelor’s or Master’s degree in Mechanical Engineering

FE exam passed and actively pursuing PE licensure

10+ years of progressive experience for senior engineer

Tools

Revit

AutoCAD

BIM coordination

HVAC load calculation software

Energy modeling tools

Microsoft Office

Job description

FSB, an affiliate of Colliers Engineering & Design , is a full-service Architecture and Engineering firm in Oklahoma City, OK (OKC), built on over 80 years of design excellence, technical innovation, and community impact . We’re seeking Mechanical Engineers, MEP Engineers, and Mechanical Design Engineers who are passionate about HVAC design, plumbing systems, building systems, energy modeling, Revit documentation, and integrated project delivery.

We’re growing and currently seeking Mechanical Engineers to join our collaborative engineering team. Whether you’re growing into project leadership, or bringing years of expertise to guide complex projects, FSB offers the opportunity to work across a wide spectrum of projects that matter.

What sets us apart is our deep commitment to cross-discipline collaboration. At FSB, engineers work shoulder to shoulder with architects, interior designers, and technical experts to shape solutions that are both innovative and buildable.

If you’re passionate about engineering that serves people and community — and you’re ready to grow with a team that values both purpose and performance — we invite you to apply.

Responsibilities

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

Skills & Attributes

• Strong communication and collaboration skills across disciplines and with clients.
• Critical thinking and creativity in solving complex design challenges.
• Time management and adaptability in a fast-paced, multi-project environment.
• Mentorship mindset, with a willingness to guide and support junior team members.
• Clear, professional writing and verbal communication skills.
• Initiative in identifying solutions and improving workflow efficiencies.

Qualifications

• Mid-Level: Bachelor’s or Master's degree in Mechanical Engineering, FE exam passed and actively pursuing Professional Engineer / PE licensure, 5+ years of progressive experience, demonstrated ability to lead design efforts and coordinate small to mid-scale projects.
• Senior Engineer: Bachelor’s or Master's degree in Mechanical Engineering, active Professional Engineer / PE license, 10+ years of progressive experience leading mechanical design.
• Proficiency in Revit required; experience with AutoCAD, BIM coordination, HVAC load calculation software, energy modeling tools, and Microsoft Office is a plus.
• Strong understanding of mechanical building systems, MEP documentation, interdisciplinary coordination, building codes, ASHRAE standards, and construction administration.
• Experience in consulting engineering, architecture and engineering, or building systems design foraviation, civic, commercial, tribal, mission critical, or federal work is highly valued.

At FSB Architects + Engineers, we believe great design comes from great teams. Whether you’re an engineer just starting your journey or a seasoned professional, we welcome your expertise and passion.

Join our inclusive community of architects, engineers, and creatives — and help us shape environments that serve people, inspire progress, and stand the test of time.

Relevant Skills & Experience: Mechanical Engineering, MEP Design, HVAC Design, Plumbing Systems, Building Systems, Revit, BIM, Energy Modeling, Load Calculations, ASHRAE, Construction Documents, QA/QC, Construction Administration, PE, EIT, Oklahoma City.

Frankfurt-Short-Bruza Associates, P.C. provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, genetic information, or any other characteristic protected by federal, state, or local laws.