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Senior Mechanical Engineer - Mission Critical

Job in Springfield, Sangamon County, Illinois, 62777, USA
Listing for: Clayco
Full Time position
Listed on 2026-02-12
Job specializations:
  • Engineering
    Mechanical Engineer, Building Services Engineer, Engineering Design & Technologists, Energy Engineer
Salary/Wage Range or Industry Benchmark: 125000 - 165000 USD Yearly USD 125000.00 165000.00 YEAR
Job Description & How to Apply Below

Overview

Senior Mechanical Engineer - Mission Critical role at Clayco Design and Engineering (CDE). 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.

Responsibilities
  • 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-accredited institution.
  • 10+ years of experience in Mechanical Engineering, with at least 3 years focused on mission-critical projects (data centers, high-tech manufacturing, etc.).
  • Professional Engineer (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.
Why Clayco
  • 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!
Compensation
  • The Clayco nationwide salary range for this position is approximately $125,000 - $165,000 +/- annually (not adjusted for location). The final offer depends on education, qualifications, skills, training, experience, certifications, and location.
Seniority level
  • Mid-Senior level
Employment type
  • Full-time
Job function
  • Engineering and Design
Industries
  • Construction, Design Services, and Engineering Services
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Position Requirements
10+ Years work experience
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