Principal Mechanical Engineer

18 hours ago

Chicago, IL, United States EXP Full time
Job Description

At EXP, we're driven to provide innovative solutions for the world's built and natural environments. As a team of engineers, architects, designers, scientists, creators and a community of professionals, we bring diverse and talented people together to solve the world's most complex challenges. Here, you join a team that leverages differences, harnesses their entrepreneurial spirit in an employee-owned company, that believes diversity is what gives us strength, seeks sustainable results and shares ambitions for each other, our clients and the communities we are part of and serve. Being a part of EXP means to have your own experience, while staying connected to a global network of professionals, who believe we are a part of something bigger. Together, we are EXP.

Are you ready to design your future?

Be our next Principal Mechanical Engineer, Science + Technology and Industrial

Your work environment at EXP

We are seeking an experienced and motivated Principal Mechanical Engineer to work in a flexible role that includes engineering, design and specification of building mechanical, process, and HVAC systems for Life Sciences, Research and Development, Pharmaceutical, and Critical Facilities Projects. Work will be performed under supervision of senior staff. This position will be hybrid in the Chicago office.

What a day at EXP has in store for you
  • Support and respond to RFP/ RFQ's.
  • Manage existing and developing new client relationships
  • Excellent communication, problem solving and analytical skills are required. Strong organizational skills and ability to multi-task in support of multiple projects is essential.
  • Knowledge with pharmaceutical cGPM standards, validation protocols, and clean room environment design.
  • Knowledge of building codes (IBC) including International Fire Code and NFPA
  • Write Basis of Design, studies, and reports for systems on projects in accordance with client Key Performance Indicators (KPI's).
  • Provide input and support early budgetary pricing exercises (Opinion of Probable Cost)
  • Proficient with cooling and heating load calculations software to support young engineers in input modeling and out interpretation to provide assurity in output.
  • Early planning and conceptual preparation of one-line diagrams for supply air, exhaust air, return air, chilled water, heating hot water, steam and condensate, process systems, laboratories, zones, etc.
  • Knowledge of PLC, DCS, DDC, control platforms.
  • Knowledge of Operation, Standard Operating Procedure (SOP), User Requirement Specifications (URS), P&ID's, PFD for AHU's, CHW and HHW, Steam, Process Utilities, Central Utility Plants (CUP) including clean utilities, purified waters, process gas and liquid chemicals, etc.
  • Understand and apply concepts of air side water side CHW, HHW, variable & constant flow systems.
  • Thorough understanding of psychometrics and being able to apply for critical environments.
  • Advanced equipment selection and analysis - chillers, boilers, air terminals, cooling towers, air valves, HEPA filters, DX equipment, and water source heat pumps.
  • Thorough understanding of critical humidity and climate design risks.
  • Thorough understanding of total energy concepts.
  • REVIT and AutoCAD proficiency with working drawings.
  • Prepare floor plans showing mechanical, process, and HVAC duct, piping, device layouts, equipment, etc.
  • Edit mechanical specifications to reflect project requirements.
  • Select and schedule equipment
  • Meet with vendors to determine specification requirements for application.
  • Performs field verification and take-offs of existing systems for renovation projects.
  • Coordinates with other disciplines (MEPFP, Architectural, Structural, Process, etc.)
  • Maintains the engineering book for the project.
  • Respond to RFI's for the project, and accurately review submittal.
  • Solve installation problems with mechanical and HVAC systems, travel to site to resolve issues.
  • Apply risk management procedures to minimize exp's and client's exposure to problems.
  • Understand work planning and manage design process to the available hours in the work plan.
  • Understand proper scope of SD, DD, CD and LOD 100, 200 and 300 level documents - and deliver appropriate documentation.
  • Work with PM and client to meet scheduled milestones on multiple projects.
  • Manage and deliver revisions and sketches.
  • Meet with contractors during the bid phase to review construction details.
What your experience looks like
  • Minimum of 20 years' experience in related design of Life Sciences, Research and Development, Pharmaceutical, and Critical Facilities systems and building projects.
  • Engineering Degree (BS Mechanical or equivalent from an accredited school.
  • PE license required
  • Ability to travel


The pay range for this role is $150,000 to $180,000. Actual compensation packages are based on several factors that are unique to each candidate, including but not limited to skill set, depth of experience, certifications, and specific work location. This may be different in other locations due to differences in the cost of labor.

About Us

Our story
With a mission to understand, innovate, partner and deliver, EXP provides engineering, architecture, design and consulting services to the world's built and natural environments.

Our heritage dates back to 1906, when the earliest of EXP's predecessor companies started its engineering infrastructure practice. Today, thousands of creative professionals across EXP work together to deliver extraordinary experiences year after year.

What makes us different

The passion, enthusiasm, diversity and industry-leading capabilities of our employees make us who we are. We're committed to providing a challenging work environment that cultivates career growth, encourages creativity and rewards excellence.

Find out more about life at EXP by visiting www.exp.com.

About the Team

EXP is proud to be an Equal Opportunity Employer who fully and actively supports equal access for all people regardless of Race, Color, Sex, Religion, Gender, Age, National Origin, Veteran Status, Disability, Genetic Information or Testing, Family and Medical Leave, Sexual Orientation and Gender Identity or Expression.

Should you need any special accommodations, please feel free to contact us at hrsupport@exp.com and we will arrange for the most suitable accommodations based on your needs.

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