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Building Performance and Energy Consultant

CRB

St. Louis, MO, United States permanent

Posted: February 10, 2026

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Quick Summary

We are seeking a Building Performance and Energy Consultant with expertise in sustainable engineering and construction to join our team in St. Louis, MO.

Job Description

CRB is a leading provider of sustainable Engineering, Architecture, Construction and Consulting solutions to the global life sciences and food and beverage industries. Our 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.

CRB is seeking a technically skilled Building Performance and Energy Consultant with a focus on Building Performance to join our growing sustainability team. This role is ideal for an emerging professional with at least 3 years of experience in energy modeling, low-carbon HVAC design, and decarbonized building systems design—particularly within high-performance, process-intensive facilities such as pharmaceutical manufacturing, laboratories, and GMP environments.

As a Building Performance and Energy Consultant, you will apply technology to evaluate and improve building performance across energy, carbon, and water domains. Working under the guidance of a Lead Building Performance Specialist, you will collaborate with multidisciplinary design teams to integrate simulation-based insights into project strategies and help clients meet ambitious sustainability and decarbonization goals.

This role is focused on building performance and energy analytics. The successful candidate will have an understanding of building performance and an understanding of interactions and building systems. The role is not a fit for candidates whose primary experience is in renewable energy development, energy auditing, or corporate ESG reporting.

Key Responsibilities

· Develop and run detailed building energy models using tools such as IES VE, EnergyPlus, or OpenStudio to evaluate energy, carbon, and thermal performance.

· Translate modeling results into actionable design recommendations and collaborate with architects and engineers to implement energy efficiency and carbon reduction strategies.

· Review architectural and MEP design documents to ensure integration of energy performance measures and compliance with relevant codes and standards (e.g., ASHRAE 90.1, 62.1, 189.1).

· Prepare and contribute to LEED and other green building certification documentation, including energy simulation reports and sustainability narratives.

· Support sustainability workshops, design charrettes, and client meetings by presenting analysis findings and assisting in setting performance targets (e.g., EUI, carbon intensity).

· Contribute to long-term sustainability planning and decarbonization roadmaps for clients.

 

Minimum Qualifications

· Bachelor’s degree in Engineering, Architecture, or Building Science with a strong focus on building systems.

· 3–6 years of experience in sustainability consulting, building performance, or energy modeling.

· Proficiency in energy modeling software such as IES VE, EnergyPlus, OpenStudio, or similar tools.

· Familiarity with green building frameworks and certification processes, including LEED.

· Working knowledge of HVAC systems, building envelope, and mechanical/electrical systems.

· Ability to read and interpret architectural and MEP drawings.

· Strong communication and collaboration skills for interfacing with clients and multidisciplinary teams.

Preferred Qualifications

· Professional credentials such as PE, CEM, or ASHRAE BEMP.

· Experience with parametric modeling tools such as Rhino/Grasshopper and environmental plugins like Ladybug or Honeybee.

· Experience with sustainability planning, decarbonization studies, or master planning for high-performance facilities.

· Sector experience in life sciences, pharmaceutical, biotech, laboratory, or food & beverage projects.

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 does not accept unsolicited resumes from search firms or agencies. Any resume submitted to any employee of CRB without a prior written search agreement will be considered unsolicited and the property of CRB. Please, no phone calls or emails.

CRB offers a complete and competitive benefit package designed to meet individual and family needs.

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

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