Senior Mechanical Engineer - Mission Critical

Senior Mechanical Engineer

The Senior Mechanical Engineer will lead mechanical design projects, provide technical expertise, and ensure the successful delivery of high-quality engineering solutions for mission-critical facilities, including data centers, advanced manufacturing plants, and other high-reliability environments.

The Specifics of the Role

• Lead the mechanical design and engineering of HVAC, plumbing, fire protection, and other building systems for mission-critical facilities, including data centers, advanced manufacturing plants, and other high-reliability environments.
• Perform detailed mechanical system calculations and analyses, ensuring compliance with industry standards, codes, and best practices.
• Manage project timelines, budgets, and resources while coordinating with other engineering disciplines.
• Design and specify mechanical systems, including HVAC, piping, ventilation, and fire suppression systems for commercial, industrial, and institutional projects.
• Review and approve mechanical drawings, specifications, and submittals for quality and accuracy.
• Provide technical guidance and mentorship to junior engineers and other team members.
• Develop and present detailed reports, technical specifications, and design documentation for clients and project stakeholders.
• Collaborate with project managers to define project scope, schedule, and deliverables, ensuring client expectations are met.
• Oversee commissioning, testing, and start-up of mechanical systems to ensure proper operation.
• Manage and track project changes and ensure adherence to project goals, quality standards, and deadlines.
• Stay current with industry trends, emerging technologies, and new software tools to improve design processes and results.

Requirements

• Bachelor's degree in Mechanical Engineering (or related field) from an ABET institution required.
• 10+ years of experience in Mechanical Engineering, with at least 3 years focused on mission-critical projects (data centers, high-tech manufacturing, etc.).
• PE License is required to seal engineering documents, with the ability to attain licenses in multiple states.
• Strong experience in HVAC, plumbing, fire protection systems, and building energy management.
• Proficiency in mechanical design software (e.g., AutoCAD, Revit, Trane, Carrier, or similar tools).
• Experience with building codes and standards (ASHRAE, NFPA, IMC, etc.) and local/regional codes and regulations.
• Experience working in a design-build or integrated project delivery (IPD) environment is a plus.
• Excellent communication, leadership, and problem-solving skills.

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?

2025 Best Places to Work – St. Louis Business Journal, Los Angeles Business Journal, and Phoenix Business Journal. 2025 ENR Midwest – Midwest Contractor (#1). 2025 ENR Top 100 Design-Build Firms – Design-Build Contractor (Top 5). 2025 ENR Top 100 Green Contractors – Green Contractor (Top 3). 2025 ENR Top 25 Data Center Builders - Data Center Contractor (Top 3).

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.