Demo

Senior Mechanical Engineer

Interplan LLC
Altamonte Springs, FL Full Time
POSTED ON 4/2/2026
AVAILABLE BEFORE 6/2/2026

Interplan is a commercial architectural and engineering firm with over 50 years of experience specializing in restaurant and retail design for large nationwide clients. With offices in Orlando and Chicago, our Orlando office is expanding, and we are seeking a talented Senior Mechanical Engineer to join our team!

Responsibilities 

  • Provide Senor level QC review of Junior engineer’s work.
  • Provide building heating/cooling load calculations and select heating/cooling systems for large more complex building designs.
  • Coordinate Exhaust Hood designs and Exhaust/make-up air systems with equipment Venders.
  • Develop Building Sequence of Operations and develop HVAC Control packages. 
  • Be able to write and Review Book Specifications.
  • Responsible for permit comments.
  • Must be knowledgeable with IMC, IPC, NFPA and ASHRAE codes. NEC a plus.
  • Able to review mechanical and plumbing shop drawing submittals.
  • Love to teach and guide young engineers.
  • Other duties as assigned

Qualifications & Prior Experience

  • 15 years of professional experience in design
  • Knowledge/understanding of mechanical building codes
  • In-depth knowledge of heating and cooling load calculations, mechanical materials, ductwork designs, cooling systems and their application
  • Experience with package DX systems, chilled water, and variable air systems
  • Ability to run heating/cooling loads with Carrier and/or Trane programs is a must.
  • Ability to produce ComCheck energy code calculations required.  T-24 is a plus. 
  • Proficiency in AutoCAD 2000 or later to produce construction documents in accordance with Interplan standards required.  Revit is a plus.

Compensation & Benefits

  • Open and collaborative work environment
  • Continuing Education and Professional Development
  • Active employee lead activities committee
  • Medical, Dental, and Vision Insurance
  • Short Term Disability and employer-paid Long Term Disability and Life Insurance
  • Flex Spending and Dependent Care Accounts 
  • Employee Assistance Program
  • Health and Wellness Program
  • Paid Holidays  
  • Paid Time Off (PTO) 
  • 401k with Employer Match, Financial Advisor for employees on ongoing Financial Wellness Education
  • Performance-based Bonus Program 

Join our team at Interplan and contribute to creating spaces that celebrate Humanity! This is a full-time in-office position with opportunities for growth and development within the company.

Salary.com Estimation for Senior Mechanical Engineer in Altamonte Springs, FL
$101,805 to $121,962
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Job openings at Interplan LLC

  • Interplan LLC Altamonte Springs, FL
  • Interplan is not accepting unsolicited assistance from search firms for this employment opportunity. Job Description Interplan is a commercial architectura... more
  • 9 Days Ago

  • Interplan LLC Altamonte Springs, FL
  • Job Description Interplan is a commercial architectural and engineering firm with over 50 years of experience specializing in restaurant and retail design ... more
  • 9 Days Ago

  • Interplan LLC Altamonte Springs, FL
  • Job Description Interplan is a commercial architectural and engineering firm with over 50 years of experience specializing in restaurant and retail design ... more
  • 14 Days Ago

  • Interplan LLC Altamonte Springs, FL
  • Interplan LLC is a commercial architectural and engineering firm with over 50 years of experience, specializing in the design of restaurants, retail, and c... more
  • 14 Days Ago


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