C

CRB

Life sciences design and construction

Mechanical Engineer 3

Building Services EngineeringConfirmed live in the last 24 hours
Full-timeSt. Louis, MO, USANo salary listedIn-person

About the Job

Requirements

  • A bachelor's degree in Mechanical or Architectural Engineering from an ABET-accredited program is required.
  • At least 5 years of professional experience in mechanical system design is required; experience in an architecture, engineering, and construction environment is preferred.
  • A Professional Engineer (PE) license is required.
  • Experience designing HVAC and mechanical systems for commercial or industrial facilities is required.
  • A strong understanding of engineering fundamentals, codes, and industry standards is required.

Responsibilities

  • Design HVAC and mechanical utility systems for new construction, renovations, and process-driven environments.
  • Perform engineering calculations, including heating and cooling loads, energy modeling, and system sizing.
  • Develop construction documents, including drawings, piping and instrumentation diagrams, specifications, and system layouts.
  • Select and specify equipment and ensure designs align with applicable codes and standards, including ASHRAE and NFPA.
  • Lead the mechanical scope for small to mid-sized projects or major portions of larger projects.
  • Manage deadlines, deliverables, and mechanical budgets for assigned work.
  • Contribute to all phases of design, including conceptual, schematic, design development, and construction.
  • Partner with architects, engineers, contractors, and clients to deliver coordinated designs.
  • Participate in site visits, field surveys, and construction support activities, including requests for information, submittals, and punch lists.
  • Ensure designs are practical, constructible, and aligned with project goals.
  • Mentor and support the development of junior engineers and designers.
  • Lead quality checks and ensure deliverables meet company standards.
  • Contribute to continuous improvement and internal knowledge sharing.

Desired Qualifications

  • Experience in life sciences, pharmaceutical, biotechnology, laboratory, or food and beverage facilities.
  • Familiarity with good manufacturing practice environments or regulated industries.
  • Proficiency with Revit, AutoCAD, and building information modeling tools.
  • Experience working with contractors, vendors, and multidisciplinary teams.
  • Exposure to sustainable design practices, including LEED and WELL.
  • Experience with plumbing systems and/or field assessments.

About the Company

CRB

Life sciences design and construction

CRB is an engineering, architecture, construction, and consulting firm serving life-sciences organizations. The company plans, designs, builds, and improves laboratories, manufacturing facilities, food plants, and other technically complex environments. It serves biotechnology, pharmaceutical, food and beverage, advanced technology, and research organizations. Its operating model centers on integrated project teams combining consulting, design, engineering, construction, commissioning, and operational expertise. Teams work across architecture, engineering, construction, consulting, project management, commissioning, and technical operations. Work depends on specialist expertise, clear client coordination, practical delivery, and ongoing support across projects and operating teams.

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