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Mechanical Project Engineer | St. Louis, MO
IMEG is hiring a Mechanical Project Engineer in St. Louis, MO, to lead mechanical design efforts for low- to moderate-complexity building projects, with a Healthcare focus. In this role, you'll partner with engineers and consultants to deliver engineering analysis, design, and implementation oversight for mechanical systems in the vertical building industry-while supporting positive client outcomes. You'll also work within project budgets and collaborate across teams to meet project goals and client expectations.
Principal Responsibilities
• Lead design efforts for the analysis of HVAC, plumbing and fire protection systems
• Utilize engineering software and tools to create detailed designs, specifications, and calculations according to code requirements and IMEG standards
• Interact with clients to understand needs, gather requirements, and communicate technical information effectively while building and maintaining client relationships
• Lead efforts in project planning, budgeting, and scheduling tasks to meet project deadlines and objectives
• Document design decisions and instructions from clients while monitoring project design progress as related to percent complete and fee expended
• Analyze engineering problems and propose innovative solutions; collaborate with senior engineers and consultants to develop practical and efficient solutions
• Provide in-process design reviews of HVAC, plumbing and fire protection system design, calculations, and specifications; implement IMEG quality control processes
• Stay up to date with industry trends, emerging technologies, and best practices in mechanical engineering; contribute to research, development, and innovation efforts within IMEG
• Prioritize safety in all aspects of engineering work; identify and mitigate potential safety risks associated with mechanical systems
• Collaborate with multidisciplinary teams to deliver integrated solutions; identify potential project problems and seek advice from the Project Manager; oversee projects through bidding and construction administration phase
Required Qualifications and Skills
• Bachelor of Science (BS) Degree in Mechanical Engineering, or equivalent, required
• Professional Engineer (PE) License required
• 5 years of experience minimum required, 6 preferred, in the building design consulting industry
• Proficiency in design techniques, tools, and concepts involved in the production of technical plans and specifications
• Strong technical and analytical skills including proficiency of principles in thermodynamics, psychrometrics, heat transfer and fluid mechanics relating to mechanical design in HVAC, plumbing and fire protection systems
• Strong training and mentoring skills
• Proficiency of industry standard engineering software and tools including HVAC load calculation software
• Excellent communication and interpersonal skills
• Ability to work collaboratively in a team environment
• Attention to detail and problem-solving skills
• Eagerness to adapt to new challenges
• Proficiency in the use of BIM software
• Proficient with MS Office Suite including but not limited to Word, Excel, Excel, and Outlook
• Ability to clearly communicate in both oral and written communication to individuals or groups
• Ability to travel up to 15% with occasional overnight stays
This position is not eligible for sponsorship.
Why Join Us IMEG puts people first-with a strong focus on career growth, work-life balance, and meaningful impact. As a 100% employee-owned firm, we offer the resources of a national design leader with the close-knit culture of a local office. You'll collaborate across disciplines, contribute to innovative, sustainable projects, and shape the communities we serve. Join a team where your ideas are valued, your development is supported, and your work truly matters.
Mechanical Team Highlights

• Join our St. Louis mechanical team with a strong core focus on healthcare MEP design, supporting complex hospital, campus renewal, and clinical renovation projects.
• Work on impactful healthcare environments including imaging, endoscopy, pharmacy renovations, USP 797/800 pharmacy compliance upgrades and Operating Room HVAC system studies.
• Support prominent health-science, higher education, and research facilities in the St. Louis market, including work tied to major academic medical campuses.
• Be part of a team recognized for innovative, high-performance mechanical solutions, including expertise in HVAC, central plants, controls, energy modeling, and sustainable design.

Locations available: St. Louis, MO
Apply today to help design high-performance HVAC and mechanical systems that make a lasting impact on the communities we serve.
IMEG, an employee-owned corporation, is committed to investing in employees' futures through professional development programs and opportunities for career advancement. We offer a comprehensive benefits package including generous PTO, flexible schedule, and assistance with tuition reimbursement. Additionally, employees are eligible to enroll in health, dental, vision, and life insurance on their first day of employment.
Want to learn more about IMEG and our other amazing career opportunities? Please visit https://www.imegcorp.com/careers/.
IMEG is committed to providing equal employment opportunities in all employment practices, without regard to race, color, religion, sex (including sexual orientation or gender identity), gender, national origin, disability, age, genetic information (including family medical history), parental status (including pregnancy, childbirth or related medical conditions including lactation), ethnic origin, hair type (including hairstyle or hair texture), citizenship status, marital status, military service, veteran's status, political affiliation, non-merit-based factors, or any other characteristic protected by law. In accordance with antidiscrimination law, it is the purpose of this policy to put into effect these principles and mandates. IMEG prohibits discrimination and harassment of any type. IMEG conforms to the spirit as well as to the letter of all applicable laws and regulations.
All applicants have the right to request access, correction, and deletion of their personal information from our system. In order to make a request, please email careers@imegcorp.com.