Top 632 Mechanical design & analysis engineer Jobs in St. Louis, Mo

Senior Mechanical Engineer
Clayco —St. Louis, MO
- Full-time
- Management
- Bachelor of Science
- Residential
- Paid holidays
- Disability insurance
Quick Apply
Sr. Mechanical Engineer - HVAC/Building Systems
Farnsworth Group —St. Louis, MO
- Online Application
- Writing skills
- Research
- Mentoring
- Health savings account
- Disability insurance
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Mechanical Engineering Manager - Healthcare
Farnsworth Group —St. Louis, MO
- Online Application
- 11+ years
- Office
- Mentoring
- Health savings account
- Disability insurance
Quick Apply
Licensed Electrical Engineer
Cordogan Clark —St. Louis, MO
- $100,000 - $125,000 a year
- Full-time
- Background check
- 5 years
- Mid-level
- Health savings account
- Paid holidays
Quick Apply
10d
Senior Electrical Engineer
Clayco —St. Louis, MO
- Full-time
- Bachelor of Science
- Residential
- 8 years
- Paid holidays
- Disability insurance
Quick Apply
STRUCTURES & INTERIORS ENGINEER
GoJet Airlines —Bridgeton, MO
- Weekends as needed
- OSHA
- Ability to walk for extended periods
- Basic math
Quick Apply
Electrical Project Engineer - Healthcare
Farnsworth Group —St. Louis, MO
- Online Application
- 8 years
- Mentoring
- Senior level
- Health savings account
- Disability insurance
Quick Apply
Electrical Engineering Manager - Healthcare
Farnsworth Group —St. Louis, MO
- Online Application
- Hospital
- 11+ years
- Clinic
- Health savings account
- Disability insurance
Quick Apply
Mechanical Engineer - Mission Critical
Clayco —St. Louis, MO
- Full-time
- Bachelor of Science
- Mid-level
- Residential
- Paid holidays
- Disability insurance
Quick Apply
Senior Electrical Engineer
Leonardo DRS —Bridgeton, MO
- $93,121 - $125,713 a year
- Full-time
- Hybrid work
- 5 years
- Engineering
- Data analysis skills
- Paid parental leave
- Health savings account
14d
Senior Mechanical Engineer - (QA/QC)
DOTec Professional Corporation —Saint Charles, MO
- $85,000 - $130,000 a year
- Full-time
- Hybrid work
- Office
- Residential
- Master's degree
- Paid holidays
- Health insurance
Quick Apply
11h
Electrical Engineer
Clayco —St. Louis, MO
- Full-time
- Bachelor of Science
- Mid-level
- Residential
- Paid holidays
- Disability insurance
Quick Apply
Mechanical Engineer
Facility Solutions Group —Fenton, MO
- From $80,000 a year
- Full-time
- Background check
- Construction site
- Mid-level
- Health savings account
- Health insurance
Quick Apply
1d
Electrical Engineer
Diode Dynamics Llc —Saint Charles, MO
- $80,000 - $120,000 a year
- Full-time
- Bachelor of Science
- Mid-level
- Office
- Profit sharing
- Paid holidays
10d
Distribution Line Engineer
FindTalent —St. Louis, MO
- Full-time
- Hybrid work
- 5 years
- Bachelor of Science
- Continuous improvement
- Paid parental leave
- Health savings account
Quick Apply
Senior Structural Engineer - (QC/QA)
DOTec Professional Corporation —Saint Charles, MO
- $90,000 - $140,000 a year
- Full-time
- Hybrid work
- English
- Office
- Residential
- Paid holidays
- Health insurance
Quick Apply
12h
System Engineer (MBSE)
Agile Defense —St. Louis, MO
- Hybrid work
- Doctoral degree
- Computer Science
- 5 years
Quick Apply
Mechanical Engineer I
Clayco —St. Louis, MO
- Full-time
- Bachelor of Science
- Residential
- Communication skills
- Paid holidays
- Disability insurance
Quick Apply
Midstream Project Engineer - Natural Gas Facilities
Farnsworth Group —St. Louis, MO
- Online Application
- Microsoft Excel
- Construction site
- Computer literacy
- Health savings account
- Disability insurance
Quick Apply
Associate Principal , Process Mechanical
Clayco —St. Louis, MO
- Full-time
- Construction site
- Bachelor of Science
- Residential
- Paid holidays
- Disability insurance
Quick Apply

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Senior Mechanical Engineer

Clayco -
St. Louis, MO

Quick Apply

Job Details

Full-time

Benefits

Paid holidays
Disability insurance
Health insurance
Dental insurance
401(k)
Flexible spending account
Paid time off
Employee assistance program
Vision insurance
Life insurance

Qualifications

Bachelor's degree in mechanical engineering
CAD software
Customer communication
Data center experience
Fire codes and regulations
Bachelor's degree in engineering
Construction industry experience
Fire protection systems
Technical Proficiency
Mechanical knowledge

Full Job Description

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 $8.1 billion in revenue for 2025, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for mission critical, industrial, life sciences, power & energy, aviation, commercial, institutional, residential and sports & entertainment related building projects.

About LJC

LJC Design & Engineering is a full-service architecture, engineering, and design firm committed to enhancing the quality of the human experience through integrated design. We are a team of high-energy professionals who share a passion for design, a collaborative approach, and a casual culture. We solve challenges by leveraging the collective expertise and ingenuity of the best and brightest minds across development, design, and construction.

The Role We Want You For

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

This role requires expertise in cooling solutions for air-cooled and liquid-cooled ITE and a track record of delivering complex projects in a dynamic, multidisciplinary setting. You will lead and mentor a team of engineers, collaborate with clients and stakeholders, and design high-performance mechanical infrastructure that meets rigorous uptime and efficiency requirements.

The Specifics of the Role

Lead the mechanical design for mission-critical facilities, including data centers, advanced manufacturing plants, and other high-availability environments.
Perform detailed calculations and analyses, ensuring compliance with industry standards, codes, and best practices.
Manage project timelines, budgets, and resources while coordinating with other disciplines.
Review and approve mechanical drawings, specifications, and submittals for quality and accuracy.
Delegate tasks to engineers and other team members, oversee their progress, and provide technical guidance, mentorship and training.
Develop and present detailed reports and design documentation to clients and project stakeholders.
Collaborate with project managers to define project scope, schedule, and deliverables, ensuring client expectations are met.
Manage and track project changes and ensure adherence to project goals, quality standards, and deadlines.
Support the business development team in pursuing new projects by providing input on RFPs and presentations, attending client interviews, identifying risks and mitigation strategies.
Oversee construction administration activities, including RFI responses, submittal reviews, and field observations.
Develop strong client relationships and effectively communicate project requirements, updates, and challenges.
Stay current with industry trends, emerging technologies, and new software tools to improve design processes and results.

Requirements

BS degree in Mechanical Engineering from an ABET institution required.
8+ years of experience in Mechanical Engineering, with at least 3 years focused on data center projects.
Professional Engineer (PE) License preferred, with the ability to attain licenses in multiple states; highly experienced unlicensed candidates with strong mission-critical design backgrounds are welcome to apply.
Strong experience in mechanical systems with working knowledge of plumbing and fire protection systems.
Proficiency in mechanical design and production software (e.g., AutoCAD, Revit, Trane Trace, Carrier HAP, or similar tools). Proficiency or familiarity with CFD modeling software such as Ansys Fluent, Cadence Reality or similar is a plus.
Experience with building codes and standards (ICC series, ASHRAE, NFPA etc.) and local/regional codes and regulations.
Experience working in a design-build or integrated project delivery (IPD) environment is a plus.
Comprehensive knowledge of construction workflows and their relationship to design.
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 and LJC?

2025 Best Places to Work – St. Louis Business Journal, Los Angeles Business Journal, and Phoenix Business Journal.
2025 ENR Top 400 – Top Data Center Contractor (Top 3).
2025 ENR Top 100 Design-Build Firms – Design-Build Contractor (Top 5).
2025 ENR Top 100 Green Contractors – Green 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.

Quick Apply

Refine Your Search

mechanical design & analysis engineer jobs in st. louis, mo

Senior Mechanical Engineer

Sr. Mechanical Engineer - HVAC/Building Systems

Mechanical Engineering Manager - Healthcare

Licensed Electrical Engineer

Senior Electrical Engineer

STRUCTURES & INTERIORS ENGINEER

Electrical Project Engineer - Healthcare

Electrical Engineering Manager - Healthcare

Mechanical Engineer - Mission Critical

Senior Electrical Engineer

Senior Mechanical Engineer - (QA/QC)

Electrical Engineer

Mechanical Engineer

Electrical Engineer

Distribution Line Engineer

Senior Structural Engineer - (QC/QA)

System Engineer (MBSE)

Mechanical Engineer I

Midstream Project Engineer - Natural Gas Facilities

Associate Principal , Process Mechanical

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