Senior Mechanical Engineer / Designer

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📍 Chicago, Illinois, United StatesFull time

About this role

Allen & Shariff is an international MEP engineering firm providing consulting and design services in the United States and Mexico, and project management services in the Middle East. Our mission is to engineer an exceptional level of personal care and connection designed to help our clients, employees, and communities thrive. We have fun at work doing what we love to do and are proud to be certified as a “Great Place to Work.”

A+S is seeking a Senior Mechanical Engineer or Designer to join our growing Chicago team. The Senior Engineer/Designer will work independently on multiple concurrent projects, both in design and construction, and be responsible for the preparation of contract documents and specifications for complex building systems. This encompasses advanced calculations, systems analysis, quality control of finished projects, and field/construction coordination activities.

Responsibilities

  • Perform full design of HVAC systems, including full equipment selection, for medium to large commercial projects
  • Analyze system options and evaluate existing systems where appropriate.
  • Coordinate all aspects of project document completion within A+S and externally with clients.
  • Complete full design in accordance with code. Production is performed using AutoCAD & Revit depending on preference of architect.
  • Write specifications.
  • Provide bid and construction phase services including reviewing bids, answering RFIs, reviewing shop drawings, participating in project walk-throughs, and providing field observation reports.
  • Must be proficient in a variety of HVAC systems and shall be considered a technical expert and resource to the office.
  • Bachelor’s degree in Mechanical Engineering (or Architectural Engineering with a Mechanical focus)
  • At least 10 years of relevant experience
  • AutoCAD & Revit proficient
  • PE preferred

#LI-Onsite

  • Bonus Pay
  • Generous Paid Time Off
  • Employee Referral Program
  • Medical Insurance
  • Flexible Spending Account
  • Company contribution to Health Savings Account
  • Employee Assistance Program
  • Wellness Reimbursement Plan
  • Dental Insurance
  • Vision Insurance
  • Life Insurance
  • Short & Long-Term Disability Insurance
  • 401(k) Plan with Company Match
  • Tuition Reimbursement Program
  • Professional Development Assistance
  • Paid Pregnancy Leave
  • Paid Parental Leave
  • Paid Community Service Leave

Frequently Asked Questions

Is the salary disclosed for the Senior Mechanical Engineer / Designer position at Allen + Shariff Corporation?
The salary for this Senior Mechanical Engineer / Designer role at Allen + Shariff Corporation is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior Mechanical Engineer / Designer position at Allen + Shariff Corporation located?
This Senior Mechanical Engineer / Designer role at Allen + Shariff Corporation is based in Chicago, Illinois, United States. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Mechanical Engineer / Designer role at Allen + Shariff Corporation full-time or part-time?
This is listed as a Full time position. It is posted as a Senior Mechanical Engineer / Designer role in the Chicago department at Allen + Shariff Corporation.
Which team or department does the Senior Mechanical Engineer / Designer at Allen + Shariff Corporation belong to?
This Senior Mechanical Engineer / Designer position is part of the Chicago department at Allen + Shariff Corporation. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Mechanical Engineer / Designer position at Allen + Shariff Corporation?
Click the "Apply Now" button on this page. You will be redirected to Allen + Shariff Corporation's official application portal hosted on workable where you can submit your application directly.
When was the Senior Mechanical Engineer / Designer job at Allen + Shariff Corporation posted?
This Senior Mechanical Engineer / Designer position at Allen + Shariff Corporation was posted on Jul 29, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Mechanical Engineer / Designer
Allen + Shariff Corporation
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