Top 316 Engineer mechanical Jobs in St. Louis, Mo

Mechanical Project Engineer - Healthcare
Farnsworth Group —St. Louis, MO
- Online Application
- 8 years
- Mentoring
- Senior level
- Health savings account
- Disability insurance
Quick Apply
Senior Mechanical Engineer
Clayco —St. Louis, MO
- Full-time
- Management
- Bachelor of Science
- Residential
- Paid holidays
- 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
Civil or Mechanical Engineering Telecom Co-Op (Jan - Aug 2027)
Farnsworth Group —St. Louis, MO
- Online Application
- Civil engineering
- Computer literacy
- Bachelor of Science
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
2d
Mechanical Engineer
Arch Precision —Earth City, MO
- Full-time
- Mid-level
Quick Apply
Civil or Mechanical Engineer - Entry Level
Farnsworth Group —St. Louis, MO
- Online Application
- Civil engineering
- Computer literacy
- Bachelor of Science
- 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
Mechanical Engineer I
Clayco —St. Louis, MO
- Full-time
- Bachelor of Science
- Residential
- Communication skills
- Paid holidays
- Disability insurance
Quick Apply
Senior Mechanical Engineer - Bridgeton, MO
D&Z Federal Division —Bridgeton, MO
- $38.50 - $55.00 an hour
- Contract
- 5 years
- Research
- Senior level
Quick Apply
Development Engineering II
Ingersoll Rand —Earth City, MO
- $65,000 - $135,000 a year
- Full-time
- Data analysis skills
- Research
- Mid-level
- Health insurance
- Dental insurance
3d
Product Development Engineer
National Cart Company —Saint Charles, MO
- Extended hours
- Engineering
- Analysis skills
- Quality control
- Profit sharing
- Paid holidays
Quick Apply
12d
Director, Engineering
Smithfield Foods —Missouri
- $160,000 - $202,500 a year
- Full-time
- Ability to walk for extended periods
- 5 years
- Travel
- Relocation assistance
Mechanical Engineer
AION Biosciences —St. Louis, MO
- Full-time
- Mid-level
Quick Apply
Mechanical Engineer
Elessent Clean Technologies. —St. Louis, MO
- $77,000 - $93,000 a year
- Full-time
- Travel
- US work authorization
- Organizational skills
Mechanical Designer
BSA Lifestructures Inc —Creve Coeur, MO
- Full-time
- Hybrid work
- Office
- US work authorization
- Entry level
- Free parking
- Health insurance
Quick Apply
Mechanical Engineer
Sovereign Technologies —St. Louis, MO
- Email
- Mid-level
- Master's degree
- 1 year
Mechanical Engineer II
Bayer —Chesterfield, MO
- $63,000 - $94,000 a year
- Computer Science
- Bachelor of Science
- Engineering
- Health insurance
- Dental insurance
Mechanical Engineer
Legrand Group —St. Louis, MO
- Full-time
- Research
- Mid-level
- Residential
- Paid parental leave
- Paid holidays
Quick Apply
Entry-Level Mechanical Engineer - Food & Beverage
Mead & Hunt —Fenton, MO
- Online Application
- Construction site
- English
- Office
- Disability insurance
- Health insurance
5d

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Mechanical Project Engineer - Healthcare

Farnsworth Group -
St. Louis, MO

Quick Apply

Job Details

Benefits

Health savings account
Disability insurance
Health insurance
Dental insurance
Paid time off
Parental leave
Vision insurance
401(k) matching
Pet insurance

Qualifications

HVAC system design and layout
Bachelor's degree in mechanical engineering
Project engineering
Managing projects in an engineering role
BIM model coordination
Revit
Managing design projects
Engineer in Training
Design engineering
Healthcare infection prevention and control compliance expertise
Healthcare building
Design of mechanical systems
Cross-functional collaboration
Building information modeling (BIM) tools
Mechanical knowledge
Cross-functional communication
Consulting firm experience

Full Job Description

Farnsworth Group is seeking a Mechanical Project Engineer - Healthcare in one of the posting locations below. The Mechanical Project Engineer - Healthcare leads project‑level mechanical design and coordination for hospitals, ambulatory care, behavioral health/recovery centers, and medical office facilities across the Midwest. Working within a multi‑disciplinary team, this role focuses on design execution, technical coordination, and mentoring junior staff under the guidance of mechanical managers and senior technical leads.

Posting Locations for this role: Lisle, Normal, Peoria, or Springfield, IL; or St. Louis, MO

What You’ll Do

Act as project mechanical engineer on healthcare and institutional projects, managing day‑to‑day mechanical design delivery and coordination.
Design HVAC and mechanical systems (air distribution, hydronic systems, central plant connections, pressurization, and related medical gas interfaces), including load calculations, equipment sizing, layouts, narratives, drawings, and specifications.
Coordinate mechanical designs in BIM (Revit) with architectural, structural, electrical, plumbing, and technology disciplines to produce fully coordinated construction documents.
Perform field surveys and site investigations to document existing conditions and inform renovation or expansion work.
Support energy and system comparison studies and life‑cycle cost evaluations in collaboration with senior staff.
Assist with construction administration, including review of submittals and RFIs and participation in site observations and punch lists.
Apply and help enforce applicable codes and standards (IMC, IBC, NFPA, ASHRAE, ASHRAE 170, NFPA 99, FGI Guidelines) for projects in Illinois, Missouri, and neighboring jurisdictions.
Provide guidance and QA redlines to designers and junior engineers; support project managers and mechanical managers with scope, level‑of‑effort, and schedule input.

What You’ll Need

Bachelor’s degree in Mechanical Engineering; EIT required, PE or ability to obtain preferred.
Typically, 8-12+ years of experience in building mechanical design, including significant work on healthcare or complex institutional facilities in an AEC/MEP consulting environment.
Experience serving as project‑level mechanical engineer responsible for design production and multi‑disciplinary coordination.
Working knowledge of healthcare mechanical requirements (ventilation/pressurization, infection control, redundancy/resiliency) and applicable codes/standards.
Proficiency in HVAC design tools and Revit/BIM; Navisworks or similar coordination tools a plus.
Strong communication, collaboration, and organization skills.

Who We Are
Join Farnsworth Group, a nationally recognized architectural, engineering, and surveying firm, where your career can thrive! For ten consecutive years, we’ve been certified as a Great Place to Work®, and our engineers, architects, surveyors, and scientists channel their passion and expertise into making meaningful contributions to the world around us. With almost 650 talented professionals across 24 offices, we collaborate with clients ranging from small communities to some of the world’s largest brands. Our success is built on our people - their passion, creativity, and commitment to excellence. Here, you’ll find a supportive culture that champions your growth, embraces challenges, values work-life balance, and empowers you to make a lasting impact for our clients and the communities we serve. Join us and move your career forward.

A Great Place to Work Certified
For ten consecutive years, Farnsworth Group has earned the prestigious Great Place to Work® certification—thanks to our employees! Each year, our staff participates in a survey administered by the Great Place to Work organization, measuring perceptions of credibility, respect, pride, fairness, and camaraderie. The results are benchmarked against the nation’s leading companies, and only top performers receive the certification. Insights from the survey help us continually enhance our work environment and foster a culture that makes Farnsworth Group an even greater place to work.

Featured benefits and perks include:

401(k) with 100% Company Match up to 5%
Medical/Dental/Vision Insurance Plans
Flexible Spending and Health Savings Accounts
Short & Long-Term Disability
Maternity and Paternity Leave
Professional Development and Training
Mentoring Program
Paid Time Off
Wellness/Fitness Reimbursements
Pet Insurance Plan
Hybrid Work Program

Farnsworth Group appreciates that flexibility and work-life balance are important aspects of the careers and lives of our employees. Our Hybrid Work Program offers employees a flexible work arrangement while contributing to the Company’s culture and success.

Statement on Diversity and Inclusion
Farnsworth Group is a collection of employees with unique backgrounds and perspectives that all come together to make us a better Company. It is our goal to recruit, hire, develop, retain, and promote a diverse group of people. Join us…and let’s make a difference, together.

Farnsworth Group, Inc. is proud to be a M/F Disabled and Veteran EEO/AA employer.

For immediate consideration, please Apply Online by clicking on the "Apply for this Position" tab below.

#LI-Onsite

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Refine Your Search

engineer mechanical jobs in st. louis, mo

Mechanical Project Engineer - Healthcare

Senior Mechanical Engineer

Associate Principal , Process Mechanical

Civil or Mechanical Engineering Telecom Co-Op (Jan - Aug 2027)

Mechanical Engineer

Mechanical Engineer

Civil or Mechanical Engineer - Entry Level

Mechanical Engineer - Mission Critical

Mechanical Engineer I

Senior Mechanical Engineer - Bridgeton, MO

Development Engineering II

Product Development Engineer

Director, Engineering

Mechanical Engineer

Mechanical Engineer

Mechanical Designer

Mechanical Engineer

Mechanical Engineer II

Mechanical Engineer

Entry-Level Mechanical Engineer - Food & Beverage

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