Mechanical Engineer III
CRB
Job Description
Job Description
Company 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 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 DescriptionAs a Mechanical Engineer III, you’ll play a key role in designing mechanical systems for complex facilities while also taking ownership of project scope and mentoring junior team members. This is a great opportunity for an engineer who wants to grow into leadership while staying hands-on with design.
You’ll contribute across the full project lifecycle—from early concept through construction—working alongside a multidisciplinary team to deliver high-quality, coordinated solutions.
Core Responsibilities
Design & Engineering
- Design HVAC and mechanical utility systems for new construction, renovations, and process-driven environments
- Perform engineering calculations, including heating/cooling loads, energy modeling, and system sizing
- Develop construction documents, including drawings, P&IDs, specifications, and system layouts
- Select and specify equipment and ensure designs align with applicable codes and standards (ASHRAE, NFPA, etc.)
Project Ownership
- 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
Collaboration & Coordination
- Partner closely with architects, engineers, contractors, and clients to deliver coordinated designs
- Participate in site visits, field surveys, and construction support activities (RFIs, submittals, punch lists)
- Ensure designs are practical, constructible, and aligned with project goals
Team & Quality Leadership
- Mentor and support the development of junior engineers and designers
- Lead quality checks and ensure deliverables meet CRB standards
- Contribute to continuous improvement and internal knowledge sharing
Minimum Qualifications
- Bachelor’s degree in Mechanical or Architectural Engineering (ABET-accredited)
- 5+ years of professional experience in mechanical system design (AEC environment preferred)
- Professional Engineer (PE) license
- Experience designing HVAC and mechanical systems for commercial or industrial facilities
- Strong understanding of engineering fundamentals, codes, and industry standards
Preferred Qualifications
- Experience in life sciences, pharmaceutical, biotech, laboratory, or food & beverage facilities
- Familiarity with GMP environments or regulated industries
- Proficiency with Revit, AutoCAD, and BIM tools
- Experience working with contractors, vendors, and multidisciplinary teams
- Exposure to sustainable design practices (LEED, WELL, etc.)
- Experience with plumbing systems and/or field assessments
#LI-JV1
Additional InformationAll 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.
$85k - $115k
...Job Description Job Description Position: Mechanical Engineer III Location: Seattle, WA / Newport, KY / Orlando, FL / Belleville, IL / St. Louis, MO / Milwaukee, WI / Bentonville, AR / Rogers, AR/ Northwest AR Years of Experience: 5+ Years About RTM:...SuggestedFlexible hours- ...build your career with a company that values innovation , stability , and people ? Join our dedicated team as a R&D Engineer III - Mechanical, in Bridgeton, MO! Since 1946, Hunter Engineering has been aligning cutting-edge technology with a strong commitment to...Suggested
$80k - $95k
...design, and construction management services to water, sewer, and utility districts and municipalities. We are seeking a Project Engineer (III/IV) in Water/Wastewater to serve our clients and community. This role requires expertise in designing treatment facilities,...SuggestedFor contractorsLocal areaFlexible hours- ...position supports Department of State Worldwide Protective Services III (WPS III) Task Orders (TO) in austere environments.... ...minimum must possess three (3) of the certifications listed below: Engine repair Automatic transmission/transaxle Manual drivetrain...SuggestedWorldwideOverseasLong distance
$85k - $115k
...Job Description Job Description Position: Electrical Engineer III Location: Lakewood, CO / Fort Collins, CO / Avon, CO / Belleville, IL / St. Louis, MO / Milwaukee, WI / Schaumburg, IL / Bentonville, AR / Rogers, AR / Northwest, AR Years of Experience: 5+ Years...SuggestedFlexible hours$24.75 - $38.43 per hour
...The Maintenance Technician III supports the FedEx industrial maintenance of material... ...prescribed processes as they relate to mechanical power transmission, electrical, PLC/controls... ...schematics, manufacturer's manuals and engineering specifications to troubleshoot, diagnose...Hourly payMinimum wageWork at officeLocal areaAll shiftsFlexible hoursDay shift$24.75 - $38.43 per hour
...Maintenance Technician III The Maintenance Technician III supports the FedEx industrial... ...prescribed processes as they relate to mechanical power transmission, electrical, PLC/... ...schematics, manufacturer's manuals and engineering specifications to troubleshoot, diagnose...Work at officeLocal areaAll shiftsFlexible hoursDay shift- ...Fenton, Missouri, is one of the world’s leading manufacturers of custom hydraulic presses and automation equipment and is seeking an Engineer III – Electrical & Controls to join our team and contribute to the design and implementation of control systems used on various...Remote workFlexible hours
- ...future with us! Under the general direction of the VP of Engineering, the Mechanical Engineer for Manufacturing is a hands-on position that is... ...Strive for maximum efficiency, both with people and space. III. Use problem-solving abilities to support production and...Work at office
$36.59 - $50.29 per hour
...building control system. Participates in coordination and release meetings with sales and service operations. Performs value engineering to provide cost effective results while maintaining customer satisfaction. May provide work direction to Service Controls...Hourly payFor contractorsFor subcontractorWorldwide- ...result, we have a full‑time position available for a refrigeration engineer. Responsibilities include conducting job‑site surveys;... ...must have all of the following: Bachelor's degree (or higher) in mechanical engineering from an accredited four-year college or university...Full timeFor subcontractorH1bWork at officeVisa sponsorship
- ...Ally, A Salas O'Brien Company, we tell our clients that we're engineered for impact. This passion for making a difference applies just as... ...rewards along the way. Job Summary: The Electrical Engineer III provides expertise and support in a variety of areas including...Local areaVisa sponsorshipRelocation package
- ...Mechanical Engineer Responsible for supporting regional capital investment projects in the Americas Region, specifically at our site in Idaho. Shares ownership with other team members for successful project outcomes. Ensure compliance with industry and Bayer engineering...
- ...repairs to manufacturer specifications including but not limited to engines, transmissions and clutches, drive-line, differential,... ...systems, brake systems, HVAC systems and lift-gate hydraulic, mechanical and electrical systems. Follow procedures including documenting...Work at officeLocal areaRelocation packageNight shiftAfternoon shift
- ...Job Description: Intermediate Mechanical Engineer You will be responsible for the development of engineering concepts and designs for heavy industrial projects. You will provide technical leadership in advancing project objectives, collaborate within multidisciplinary...Visa sponsorshipRelocation package
- ...Job Description Growing national firm is seeking a Process-Mechanical Engineer for their St. Louis office! Responsibilities: Plan/design water and wastewater systems (pumping, process and mechanical piping, and related valves and process equipment) Deliverquality...Work at office
- ...Mechanical Engineer Elessent Clean Technologies is a global leader in process technologies to drive sustainability and carbon neutrality in the metal, fertilizer, chemical, and oil refining industries with an unwavering commitment to customer support. We provide extensive...
$100k - $145k
...Mechanical Engineer Hanson Values: Integrity | Commitment | Quality | Relationships | Innovation If you're looking for a firm that encourages innovative thinking and challenges you every day, with an opportunity to learn and advance, a career at Hanson is right for...For contractorsInternshipWork at office- ...Job Summary The Mechanical Engineer II is responsible for the design, development, documentation, test, and evaluation activities for components, sub-assemblies, and finished goods products that meet the cost, performance and timeliness requirements defined within...Work experience placementWork at office
$145k - $220k
...Description Burns & McDonnell is seeking to hire a Senior Mechanical Engineer to support our Power global practice. The Senior Mechanical Engineer will lead mechanical design project teams to create world class designs for both new and existing power generation facilities...Full timeFor contractorsWork experience placementWork at officeLocal area- ...POSITION TITLE: ENGINEER I REPORTS TO: ENGINEERING MANAGER Position Summary: Perform the duties required for application... ...troubleshooting and development and honing applications Mechanical Emphasis Position As directed, design small mechanical...Work at office
$84.53k - $120.75k
...ourselves: What is our impact on the world? We believe building engineering is more than systems and structures, it's about powering... ..., sustainability, and human experience. We bring together mechanical, electrical, structural, and civil engineering experts to solve...Full timeContract workTemporary workPart time$100k - $165k
...Description As a Mechanical Engineer, you will work on project teams to create world-class designs for new projects, alterations and redevelopments on a variety of power projects. The Mechanical Engineer will work with the project team throughout the design and construction...Full timeContract workWork experience placementWork at officeLocal area$80k - $95k
...Join to apply for the Transportation Project Engineer III/IV role at Gonzalez Companies, LLC Gonzalez Companies is a partner‑managed firm that provides comprehensive planning, design, and construction management services to water, sewer, and utility districts; departments...Full timeLocal areaFlexible hours$120k
...Join to apply for the Senior Mechanical Engineer role at BR+A Consulting Engineers Continue with Google Continue with Google 3 days ago Be among the first 25 applicants Join to apply for the Senior Mechanical Engineer role at BR+A Consulting Engineers Founded in 1975,...Full timeContract workFor contractorsWork at office- ...ourselves: What is our impact on the world? We believe building engineering is more than systems and structures, it’s about powering... ...advancement, sustainability, and human experience. We bring together mechanical, electrical, structural, and civil engineering experts to...Full timeContract work
- ...to identify inefficiencies, bottlenecks, or waste. Coordinates A3 & Kaizen events with production, quality and manufacturing engineering. Coach and mentor others to support successful completion of CI projects and quick wins. Teach and train employees on Lean...Work at officeWorldwideFlexible hours
- ...Founded in 1975, BR+A Consulting Engineers maintains a total staff of over 500 employees located at our main office in Boston and branch... .... BR+A provides state-of-the-art integrated and coordinated mechanical, electrical, plumbing and fire protection consulting engineering...Full timeFor contractorsWork at office
- ...quality records • Help improve welding consistency and production quality Requirements • 2-5+ years experience in welding engineering, welding quality, or welding inspection • Experience developing or managing WPS / PQR documentation • Strong knowledge of steel...Local area
- ...across 40+ companies work together to deliver exceptional HVAC, mechanical, plumbing, refrigeration, and electrical solutions nationwide.... .... We only accept direct applications. Mechanical Design Engineer – HVAC & Plumbing Systems About NDBS National Design Build...Full timeLocal areaRemote work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Mechanical Engineer III. Be the first to apply!
- mechanical design Saint Louis, MO
- mechanical inspector Saint Louis, MO
- mechanical solidworks Saint Louis, MO
- mechanical sales Saint Louis, MO
- entry level mechanical design Saint Louis, MO
- mechanical installation Saint Louis, MO
- mechanical commissioning Saint Louis, MO
- entry level hvac mechanical engineer
- total mechanical
- mechanical service operator


