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Mechanical Engineer

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: CRB
Full Time position
Listed on 2026-06-23
Job specializations:
  • Engineering
    Mechanical Engineer, Engineering Design & Technologists, Building Services Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: Mechanical Engineer I
Location: St. Louis

CRB is a leading provider of sustainable engineering, architecture, construction and consulting solutions to the global life sciences and food and beverage industries. Our more than 1,100 employees provide best-in-class solutions that drive success and positive change for our clients, our people and our communities. CRB is a privately held company with a rich history of serving clients throughout the world, consistently striving for the highest standard of technical knowledge, creativity and execution.

Job Description About the Role

The Mechanical Engineer focuses on the design and engineering of HVAC and mechanical utilities for buildings. Typical tasks and deliverables include load calculations, utility assessments, energy modeling, design reports, code evaluations, plans, P&IDs, schedules, installation details, equipment and system selection and specification, and coordination with manufacturers and trade partners. Tasks will also include utilizing software for building information modeling, computer-aided drafting and engineering calculations.

Project work will be under the direction of a more experienced engineer and may include all levels of design such as studies, conceptual and schematic design, design development, construction documentation and construction administration. This individual may also delegate basic and fundamental tasks to entry‑level engineers and designers.

Core Activities
  • Interfaces with clients and external partners.
  • Develops design and construction drawing packages and edits construction specifications on basic projects of limited complexity with oversight.
  • Participates and contributes to squad checks and overall commitment to producing quality deliverables.
  • Designs mechanical systems (airside, chilled water, condenser water, heating hot water, steam, natural gas, compressed air, etc.) of basic complexity in conformance with code requirements and in coordination with other design disciplines.
  • Performs envelope and load calculations, pressure drop calculations, and other engineering calculations of basic complexity as required to confirm project requirements are met.
  • Sizes mechanical equipment, ductwork and piping and develops system schematics.
  • Attends professional development activities.
  • Provides mentorship to Mechanical Designer I.
  • Participates in basic project system design programming and master planning with support from Lead or Senior Engineer.
  • Supports construction activities such as RFI responses, submittal reviews, punch list development and construction progress reports.
  • Works closely with more experienced engineers and assists in the development of Mechanical deliverables.
  • Executes work on one or more intermediate level tasks simultaneously as delegated by the Lead or Sr. Mechanical Engineer.
  • Expands knowledge and skill sets to include design and specification of more complex mechanical systems, including HVAC and mechanical utility systems and equipment.
Qualifications

Minimum Qualifications
  • ABET‑accredited Bachelor’s degree in Mechanical Engineering or Architectural Engineering (with a mechanical focus)
  • Minimum of 3 years of experience
  • Fundamentals of Engineering exam completion
  • Basic experience with performing engineering calculations, and developing and implementing HVAC, mechanical utility and piping systems designs
Preferred Qualifications
  • Proficiency in Revit and AutoCAD
  • Proficiency in Microsoft Office suite and Bluebeam Revu
  • LEED, WELL or other sustainable design accredited professional or experience with sustainable design
  • Life Sciences (Pharmaceutical, Biotech, Laboratory) or Food & Beverage industry experience
  • Basic experience with using and applying the mechanical/plumbing/fire/building codes
  • Basic experience with using and applying industry standards (ASHRAE, SMACNA, ISPE, FDA, ISO, NFPA, OSHA, etc.)
  • Basic experience conducting and leading field surveys of existing conditions and support of field reporting
  • Basic experience in plumbing design
  • Basic experience using Revit plugins such as Enscape and Unifi
  • Basic experience building parametric workflows using Dynamo, Grasshopper, and/or Rhino within Revit
  • Proficient with basic internal and external cross‑discipline project team coordination
  • Proficient with basic coordination with construction trade partners, vendors and manufacturers
Additional Information

All your information will be kept confidential according to EEO guidelines. CRB is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity Employer and it is our policy to provide equal opportunity to all people without regard to race, color, religion, national origin, ancestry, marital status, veteran status, age, disability, pregnancy, genetic information, citizenship status, sex, sexual orientation, gender identity or any other legally protected category.

Employment is contingent on background screening. CRB offers a complete and competitive benefit package designed to meet individual and family needs.

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