Mechanical Designer

BSI Engineering LLC
Oak Brook, IL

Job Description

Job Description

Mechanical Designer

Your Role at BSI

Our Mechanical Engineering team is responsible for designing Building Mechanical Systems such as HVAC, Plumbing, and Utilities for clients across many different industries including specialty chemicals, renewable chemicals, food & beverage, pharmaceutical, consumer products, and aviation. Mechanical Designers work closely with engineers and are responsible for independently gathering field data, detail modeling of equipment, ductwork, and piping, and leading small projects. They are growing in their skills while always striving to provide quality designs to our clients.

To support collaboration, mentorship opportunities, and effective project execution, BSI Engineering has adopted a hybrid work schedule in which employees are in the office a minimum of three days per week.

Responsibilities and Scope

  • Participate in site visits, walk downs, and site audits to gather field data.
  • Gain, apply, and share knowledge of the design of HVAC, Plumbing, and Building Utility, and Fire Protection systems.
  • Draft 2D drawings and deliverables using applicable standards.
  • Develop 3D models in Revit of equipment, ductwork, and piping using applicable standards, project technical specifications, and project procedures.
  • Generate and annotate HVAC, Plumbing, and Piping plans, sections, and details in the 3D Revit model.
  • Assist in updating and maintaining Mechanical lists and equipment schedules.
  • Assists in the creation of Airflow & Instrumentation Diagrams (AF&IDs), Process Flow Diagrams (PFDs), and Piping & Instrumentation Diagrams (P&IDs).
  • Develop general arrangement equipment drawings (GA’s).
  • Ensure discipline's design is accurate and coordinated within the 2D drawings and/or 3D model and/or site scans.
  • Meet discipline’s engineering schedule and budget objectives on assigned projects.
  • Assist in development of material take-offs for input into cost estimating.
  • Incorporate industry standards, client standards, and client preferences into a design.
  • Coordinate execution of deliverables with Engineers.
  • Interface with client, other design discipline counterparts, and project management.
  • Participate in multi-discipline squad checks of deliverables before issuance.

Minimum Qualifications

  • High school diploma required
  • 5 + years’ experience in mechanical design and consulting
  • Skilled with 3D modeling in Revit
  • Familiarity with the Mechanical codes, Plumbing Codes, ASHRAE, SMACNA, and ASME Standards
  • Experience designing HVAC and Utility Piping for industrial clients
  • Ability to visit project job sites to gather field information
  • Good written and oral communication
  • Capacity to set priorities and manage multiple tasks
  • Critical thinking, conflict resolution, and decision-making skills

Desired Qualifications

  • 2-year technical degree
  • Proficient in AutoCAD
  • Experience working with Recap and Navisworks
  • Proficient in Microsoft Excel

What We Offer

  • Individualized Mentoring and Development program
  • Tuition Reimbursement and support with continuing education
  • Flexible Telecommuting Policy
  • Paid Time for Charitable Efforts
  • Paid Parental Leave
  • Competitive base salary, paid overtime, generous bonus programs
  • PTO and Paid Holidays
  • Stock and 401(k) with company match
  • Health, Dental, and Vision

Our Values: Be Inspiring Be Invested Be Improving Be Innovative Be Impactful Be Involved Be In Demand

Who We Are

Our Purpose: Creating Solutions, Improving Lives. BSI lives by the mantra “Serve the client, satisfy the employee” and we hold true to it in all aspects of our company. Our employees have consistently voted us a Top Workplace, commenting specifically on our dedication to company culture, employee appreciation, and employee well-being.

Founded in memory of a friend, BSI carries on the legacy of Bryan Speicher, who had a vision to create a company that gives back to its employees and community. Our founding president, Phil Beirne, helped cultivate this legacy, and Beirne & Speicher Inspired continues to grow and succeed. At the heart of it all, we are our people, and we are grateful that you are considering a career with BSI Engineering.

Posted 2026-08-08

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