Mechanical Project Engineer Jobs in Missouri
Mechanical Project Engineer jobs in Missouri are open across Kansas City, St. Louis, and O'Fallon and other Missouri metros, with employers like Mastercard, Mechanical Dynamics & Analysis, and Amazon hiring at every experience level. Find a role that fits below and apply directly.
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Showing 5 of 44+ Mechanical Project Engineer jobs











Scheduled Hours
40
Position Summary
The Commissioning Engineer and Mechanical Project Manager is responsible for managing and leading the verification and validation of critical infrastructure systems within specialized facilities, including clean rooms, compounding pharmacies, and BSL3 labs. This role ensures that all systems perform precisely as designed and meet stringent operational and regulatory standards, bridging the gap between design, construction, and operations.
Job Description
Primary Duties & Responsibilities:
- Develop, review, and execute comprehensive commissioning plans, procedures, and checklists for mechanical, electrical, and control systems. Prepare commissioning checklists and associated documents.
- Oversee and conduct on-site inspections, pre-functional checks, functional performance testing (FPT), and integrated systems testing.
- Identify, diagnose, and resolve complex system deficiencies and performance issues in collaboration with design engineers, contractors, and vendors.
- Serve as the primary technical liaison, coordinating activities between design, construction, operations teams, and third-party vendors to ensure a seamless commissioning process.
- Ensure all commissioning activities and documentation adhere to industry standards and regulatory requirements.
- Maintain meticulous documentation of all test results, observations, and resolutions; prepare detailed commissioning reports for key stakeholders.
- Provide technical support and comprehensive training to facility operations and maintenance personnel for newly commissioned systems.
- Promote and ensure compliance with all on-site safety protocols and procedures.
- Perform other duties as assigned.
Working Conditions:
Job Location/Working Conditions
- Construction office and work site (exposure to machinery and equipment).
- Requires extensive safety training.
- Stockroom or warehouse.
- High noise environment.
- Dust, dirt, grease or other disagreeable elements.
- Ability to travel to various on- and off-campus locations.
Physical Effort
- Typically sitting at desk or table.
- Typically standing or walking.
- Typically bending, crouching, stooping.
- Occasional lifting (25 lbs or less).
Equipment
- Office equipment.
- Exposure to moving machinery.
The above statements are intended to describe the general nature and level of work performed by people assigned to this classification. They are not intended to be construed as an exhaustive list of all job duties performed by the personnel so classified. Management reserves the right to revise or amend duties at any time.
Required Qualifications
Education:
Bachelor’s degree or combination of education and/or experience may substitute for minimum education.
Certifications/Professional Licenses:
No specific certification/professional license is required for this position.
Work Experience:
Construction (10 Years)
Skills:
Not Applicable
Driver's License:
A driver's license is not required for this position.
More About This Job
Preferred Qualifications:
- Five years of experience in commissioning, start-up, or operations of complex mechanical and electrical systems, preferably within critical environments (e.g., labs, clean rooms, data centers, hospitals, industrial plants).
- Strong understanding of critical facility infrastructure.
- Familiarity with testing equipment and data acquisition tools.
- Experience with commissioning software platforms (e.g., CxAlloy, Facility Grid).
Preferred Qualifications
Education:
Bachelor's degree - Mechanical Engineering
Certifications/Professional Licenses:
Associate Commission Professional (ACP) - Building Commissioning Certification Board (BCCB), Certified Commissioning Professional (CCP) - Building Commissioning Certification Board (BCCB), Professional Engineer (PE) - National Council of Examiners for Engineering and Surveying (NCEES), Professional Engineer - Missouri Division of Professional Registration
Work Experience:
Site Infrastructure And Building Systems, Including Structural, Architectural, Electrical, Mechanical, Plumbing, Fire Protection, Horizontal And Vertical Transportation Systems For Large Campuses (5 Years)
Skills:
Adaptability, Air Valves, Analytical Thinking, Building Automation Systems, Building Management System (BMS), Construction Management, Control Schematics, Critical Thinking, Deadline Management, Detail-Oriented, Electrical Engineering, Electrical Systems, HVAC Systems, Interpersonal Communication, LEED Projects, Microsoft Excel, Oral Communications, Piping and Instrumentation Diagrams (P&ID), Problem Solving, Professional Ethics, Resilience Under Pressure, Single Line Diagrams, Supervision, Technical Drawings, Written Communication
Grade
G15
Salary Range
$84,200.00 - $148,500.00 / Annually
The salary range reflects base salaries paid for positions in a given job grade across the University. Individual rates within the range will be determined by factors including one's qualifications and performance, equity with others in the department, market rates for positions within the same grade and department budget.
Questions
For frequently asked questions about the application process, please refer to our External Applicant FAQ.
Accommodation
If you are unable to use our online application system and would like an accommodation, please email CandidateQuestions@wustl.edu or call the dedicated accommodation inquiry number at 314-935-1149 and leave a voicemail with the nature of your request.
All qualified individuals must be able to perform the essential functions of the position satisfactorily and, if requested, reasonable accommodations will be made to enable employees with disabilities to perform the essential functions of their job, absent undue hardship.
Pre-Employment Screening
All external candidates receiving an offer for employment will be required to submit to pre-employment screening for this position. The screenings will include criminal background check and, as applicable for the position, other background checks, drug screen, an employment and education or licensure/certification verification, physical examination, certain vaccinations and/or governmental registry checks. All offers are contingent upon successful completion of required screening.
Benefits Statement
Personal
- Up to 22 days of vacation, 10 recognized holidays, and sick time.
- Competitive health insurance packages with priority appointments and lower copays/coinsurance.
- Take advantage of our free Metro transit U-Pass for eligible employees.
- WashU provides eligible employees with a defined contribution (403(b)) Retirement Savings Plan, which combines employee contributions and university contributions starting at 7%.
Wellness
- Wellness challenges, annual health screenings, mental health resources, mindfulness programs and courses, employee assistance program (EAP), financial resources, access to dietitians, and more!
Family
- We offer 4 weeks of caregiver leave to bond with your new child. Family care resources are also available for your continued childcare needs. Need adult care? We’ve got you covered.
- WashU covers the cost of tuition for you and your family, including dependent undergraduate-level college tuition up to 100% at WashU and 40% elsewhere after seven years with us.
For policies, detailed benefits, and eligibility, please visit: https://hr.wustl.edu/benefits/
EEO Statement
Washington University in St. Louis is committed to the principles and practices of equal employment opportunity. It is the University’s policy to provide equal opportunity and access to persons in all job titles without regard to race, ethnicity, color, national origin, citizenship (where prohibited by federal law), age, religion, sex, sexual orientation, gender identity or expression, disability, protected veteran status, or genetic information.
See All 44 Mechanical Project Engineer Jobs in Missouri
Find roles in Missouri that match your experience and apply in just a few clicks.
Find JobsMechanical Project Engineer Jobs by City in Missouri
Where Missouri roles are concentrated, by current openings.
Mechanical Project Engineer Job Market in Missouri
A snapshot from current Missouri openings, updated as new roles post.
Who's Hiring
- Mastercard4

- Mechanical Dynamics & Analysis3

- Amazon2

- Burns & McDonnell2

- CannonDesign2

Top Industries Hiring
- Consulting & Professional Services11
- Construction & Real Estate9
- Manufacturing5
- Healthcare & Medical Services4
- Technology & Software4
What Missouri Employers Look For
The qualifications that appear most often in mechanical project engineer jobs across Missouri.
- Bachelor's degree in mechanical engineering or a closely related engineering discipline
- Proficiency in CAD software such as SolidWorks, AutoCAD, or CATIA
- Experience managing engineering projects from design through commissioning
- Familiarity with GD&T, engineering drawings, and technical specification documents
- Professional Engineer (PE) license or active progress toward licensure
- Knowledge of project management methodologies including schedule and budget tracking
Mechanical Project Engineer Jobs in Missouri: Frequently Asked Questions
How many mechanical project engineer jobs are there in Missouri?
There are 44+ mechanical project engineer openings in Missouri on Migrate Mate as of June 2026, with the most roles in Kansas City, St. Louis, and O'Fallon. New positions post regularly as employers across Missouri hire.
How much do mechanical project engineers make in Missouri?
Mechanical project engineers in Missouri earn a median of about $99,330 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $64,750 for the lowest 10% to over $142,100 for the top 10%. Pay rises with experience, specialty, and employer.
Which Missouri cities have the most mechanical project engineer jobs?
Kansas City, St. Louis, and O'Fallon have the most mechanical project engineer openings in Missouri right now, with additional roles spread across smaller metros statewide.
Which companies hire mechanical project engineers in Missouri?
Employers hiring mechanical project engineers in Missouri include Mastercard, Mechanical Dynamics & Analysis, and Amazon, based on current listings on Migrate Mate as of June 2026.
Are there remote mechanical project engineer jobs in Missouri?
Yes. About 7% of mechanical project engineer openings tied to Missouri are remote or hybrid as of June 2026. The rest are on-site roles based in Missouri metros.
How do I apply for mechanical project engineer jobs in Missouri?
You can apply to mechanical project engineer jobs in Missouri directly on Migrate Mate. Search the listings above, find roles that match your experience and preferred Missouri location, then apply to each one that fits.
See All 44 Mechanical Project Engineer Jobs in Missouri
Find roles in Missouri that match your experience and apply in just a few clicks.
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