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Senior Mechanical Engineer

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Sky Mavis
Full Time position
Listed on 2025-11-20
Job specializations:
  • Engineering
    Mechanical Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Location: St. Louis

About Us

Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations. With $7.6 billion in revenue for 2024, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for industrial, commercial, institutional, and residential related building projects.

Clayco

Design and Engineering (CDE)

Was created to diversify and grow Clayco’s industrial business unit’s capabilities with a focus on efficiently delivering robust design-build architectural and engineering solutions. The Clayco Design and Engineering team brings a tremendous amount of engineering expertise to the Clayco enterprise from a wide array of industrial segments such as food & beverage, consumer products, manufacturing, life science products, and healthcare.

The Role We Want You For

The Senior Mechanical Engineer will be working with in-house Development, Architecture, and Construction teams to provide Mechanical HVAC Design and Quality Assurance on projects for our nationwide clients.

Projects will consist of distribution, industrial manufacturing, life sciences, food and beverage, or other industrial process markets for existing building improvements and new construction.

The Specifics of the Role
  • Lead mechanical HVAC engineering design and analysis including conceptual and schematic design, feasibility studies, and full construction documentation (drawings and specifications).
  • Design mechanical systems including water, chilled water, HVAC, wastewater, cooling towers/condensers, boiler/steam, hot water, compressed air, and plumbing.
  • Lead and mentor junior level Mechanical Engineers and Designers.
  • Coordinate with equipment vendors, Procurement, and Preconstruction groups throughout the design process to support target-based value designs.
  • Senior Mechanical Engineer is involved from the beginning to foresee preliminary design challenges.
  • Review shop drawings and submittals to ensure compliance with scope of work.
Requirements
  • Bachelor’s Degree in Mechanical Engineering from an ABET accredited university or college.
  • PE License is required to seal engineering documents, with the ability to attain licenses in multiple states.
  • Minimum of 5 years of related HVAC design experience, and knowledge of HVAC Systems Applications and Implementation.
  • Knowledge of building mechanical codes and building material thermal values along with the ability to perform accurate load calculations.
  • Proficiency in AutoCAD required, Revit experience preferred.
Some Things You Should Know
  • No other builder can offer the collaborative design-build approach that Clayco does.
  • We work on creative, complex, award-winning, high-profile jobs.
  • The pace is fast!
Why Clayco?
  • 2024 Best Places to Work – Crain’s Chicago Business, St. Louis Business Journal, Los Angeles Business Journal, and Phoenix Business Journal.
  • 2024 ENR Midwest – Midwest Contractor (#1).
  • 2024 ENR Top 100 Design-Build Firms – Design-Build Contractor (Top
    5).
  • 2024 ENR Top 100 Green Contractors – Green Contractor (Top
    5).
Benefits
  • Discretionary Annual Bonus:
    Subject to company and individual performance.
  • Comprehensive Benefits Package Including:
    Medical, dental and vision plans, 401k, generous PTO and paid company holidays, employee assistance program, flexible spending accounts, life insurance, disability coverage, learning & development programs and more!
Compensation
  • The salary range for this position considers a wide range of factors in making compensation decisions including but not limited to:
    Education, qualifications, skills, training, experience, certifications, internal equity, and location. Compensation decisions are dependent on the facts and circumstances of each case.
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Position Requirements
10+ Years work experience
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