Senior Mechanical Engineer | Oklahoma City, OK

IMEG is hiring a Senior Mechanical Engineer in Oklahoma City, OK, to lead large and highly complex mechanical projects as a project manager or lead engineer with minimal support from senior staff. In this role, you will work closely with engineers and consultants to provide project direction, engineering solutions, and client guidance while overseeing project management, engineering analysis, design, and implementation of mechanical systems for the vertical building industry. You’ll also help manage project budgets, lead training and mentoring efforts, and collaborate across teams to achieve project goals and client expectations. Principal Responsibilities Lead and manage projects ranging in size and complexity through design and construction Serve as the primary point of contact for project teams and clients Collaborate with business development staff, Project Executives, Client Executives, and Market Directors / Leaders during early project opportunities Assist with design scopes of work, fee calculations, proposal development, and contract reviews Create project schedules with key milestones and deadlines Manage monthly billings, billing projections, and estimated completion percentages, and submit financial information to Accounting on time Ensure designs meet owner standards and requirements, IMEG standards, code requirements, and quality control expectations Coordinate design staff scheduling, lead progress meetings, and provide meeting documentation throughout project phases Support project interviews and presentations Resolve client and construction concerns, manage change orders, mentor staff, and build strong client relationships Required Qualifications and Skills Bachelor of Science (BS) Degree in Mechanical Engineering, or equivalent, required Professional Engineer (PE) License required 10 years of experience minimum required, 12 preferred, in the building design consulting industry Demonstrated leadership traits in the project management career path; ability to mentor, train, motivate, and lead others Mastery of 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 Ability to perform final quality control check in their area of expertise Ability to sell work and develop client relationships Excellent communication and interpersonal skills; ability to clearly communicate in both oral and written communication to individuals or groups Ability to work collaboratively in a team environment Attention to detail and problem-solving skills Eagerness to adapt to new challenges Proficient with MS Office Suite including but not limited to Word, Excel, and Outlook Ability to travel up to 20% 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. In Mechanical, you’ll help deliver high-performance systems that support occupant comfort, indoor air quality, and reduced energy consumption. Mechanical Team Highlights IMEG’s mechanical engineers design HVAC and mechanical systems that enhance building performance while pushing sustainability forward. The team’s specialties include advanced HVAC system design, central plants, building automation and controls, and energy recovery solutions. Using lifecycle analysis, rapid energy modeling, and sustainable design practices, the mechanical team contributes to occupant comfort, superior indoor air quality, and reduced energy consumption. IMEG’s mechanical team has earned multiple international ASHRAE Technology Awards for energy-efficient HVAC designs. The team delivers innovative, high-performance systems for project types including high-rises, hospitals, and industrial facilities. Locations available: Oklahoma City, OK Apply today to join IMEG and help lead impactful mechanical projects that improve building performance and strengthen 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 . 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 .