Sr. Mechanical Engineer - HVAC/Building Systems

Farnsworth Group, Inc.

Tinley Park, IL

Farnsworth Group is seeking a Sr. Mechanical Engineer of HVAC/Building Systems in one of the posting locations below. In this role, you will assume multi-project responsibilities for HVAC, plumbing, fire protection and specialty piping system engineering and design for buildings including healthcare, commercial, industrial, and educational facilities. This role is one that can be entrepreneurial and grow into more responsibility via mentoring from more experienced engineers and is supported by a great team of engineers and drafters. It is client-facing and reports to a senior engineering manager, who will also provide mentoring and training opportunities to help you grow.
Posting Locations: Champaign, Lisle, Normal, Peoria, or Tinley Park, IL
Job Activities
Prepare accurate HVAC, plumbing, controls, and specialty piping system construction drawings, including specifications.
Perform construction administration, including submittal reviews and project revisions during construction.
Prepare preliminary schematics through final designs for projects, including calculations, equipment selection, and layouts.
Actively engage in and assume responsibility for code research and application.
Interface with other disciplines, clients, and contractors, leading projects to successful completion
Provide leadership, mentoring, and coordination of the production staff.
Assist in maintaining project design budgets and schedules while pursuing quality results.
Perform quality control reviews of HVAC and plumbing design work done by others.
Assist in business development activities, including writing fee proposals and conducting project scoping walks with potential clients.
Specific Requirements Include
Bachelor’s Degree in Mechanical or Architectural Engineering
10+ years of professional experience in HVAC and plumbing design for buildings.
A Professional Engineering License (PE) is required.
Prior management or mentoring of staff required.
Design experience relative to medium/large commercial and institutional facilities
Strong familiarity with Revit, AutoCAD, and Microsoft Office Suite
Experience with Carrier HAP, Trane Trace, or similar
Strong and communicative team player in a multi-disciplinary environment, able to fully lead projects from start to finish.
Excellent oral and written communication skills
Ability to contribute to several projects simultaneously.
Who We Are
Join Farnsworth Group, a nationally recognized architectural, engineering, and surveying firm, where your career can thrive! For ten consecutive years, we’ve been certified as a Great Place to Work, and our engineers, architects, surveyors, and scientists channel their passion and expertise into making meaningful contributions to the world around us. With almost 650 talented professionals across 24 offices, we collaborate with clients ranging from small communities to some of the world’s largest brands. Our success is built on our people - their passion, creativity, and commitment to excellence. Here, you’ll find a supportive culture that champions your growth, embraces challenges, values work-life balance, and empowers you to make a lasting impact for our clients and the communities we serve. Join us and move your career forward.
A Great Place to Work Certified
For ten consecutive years, Farnsworth Group has earned the prestigious Great Place to Work certification—thanks to our employees! Each year, our staff participates in a survey administered by the Great Place to Work organization, measuring perceptions of credibility, respect, pride, fairness, and camaraderie. The results are benchmarked against the nation’s leading companies, and only top performers receive the certification. Insights from the survey help us continually enhance our work environment and foster a culture that makes Farnsworth Group an even greater place to work.
Featured Benefits And Perks Include
401(k) with 100% Company Match up to 5%
Medical/Dental/Vision Insurance Plans
Flexible Spending and Health Savings Accounts
Short & Long-Term Disability
Maternity and Paternity Leave
Professional Development and Training
Mentoring Program
Paid Time Off
Wellness/Fitness Reimbursements
Pet Insurance Plan
Hybrid Work Program
Farnsworth Group appreciates that flexibility and work-life balance are important aspects of the careers and lives of our employees. Our Hybrid Work Program offers employees a flexible work arrangement while contributing to the Company’s culture and success.
Salary Range: $100,000 - $130,000 (Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant, as well as internal and external equity)
Statement On Diversity And Inclusion
Farnsworth Group is a collection of employees with unique backgrounds and perspectives that all come together to make us a better Company. It is our goal to recruit, hire, develop, retain, and promote a diverse group of people. Join us…and let’s make a difference, together.
Farnsworth Group, Inc. is proud to be a M/F Disabled and Veteran EEO/AA employer.
For immediate consideration, please Apply Online by clicking on the " Apply for this Position " below or visit the Farnsworth Group website at and click on the careers link.

Posted 2026-02-22

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