Mechanical Project Engineer Jobs in Missouri
Mechanical Project Engineer jobs in Missouri concentrate in aerospace, defense manufacturing, and energy infrastructure, with the St. Louis metro, Kansas City, and Springfield anchoring most of the hiring. Companies like Boeing, Emerson Electric, and Burns & McDonnell maintain deep engineering workforces here, drawing demand from project leads down to recent graduates. HVAC systems design, industrial automation, and capital project delivery are among the most sought-after specialties across Missouri employers. Scan the live roles below and apply to whichever ones fit.
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Showing 5 of 9+ Mechanical Project Engineer jobs
Job ID: 115135
The Leonardo DRS Naval Power Systems business is a trusted provider of innovative naval gas and hybrid power systems, control technology and support solutions for the U.S. Navy and navies around the world.
Company Overview
DRS Marlo Coil manufactures durable heat transfer, refrigeration, and air handling equipment serving industrial, commercial, utility, and marine sectors. Our custom-engineered heat transfer solutions are designed to cool, heat, and dehumidify air streams for both process applications and building comfort. Our equipment is proudly installed on most U.S. Navy surface combatant ships and submarines. Additionally, DRS Marlo Coil is strategically positioned for substantial growth in the Industrial and Commercial markets.
For more information on Leonardo DRS, visit www.leonardodrs.com, and for details on our Commercial/Industrial operations, see www.marlocoil.com.
Job Summary
Mechanical Engineer position responsible for leading projects and developing a variety of HVAC&R product designs for both commercial and defense markets including heat exchangers, air conditioning, refrigeration, and air handling systems. This position will be responsible for leading development of new products, supporting legacy products; sizing and selecting components; supporting strategic initiatives; creating associated documentation; and supporting product testing, qualification, and production.
Job Responsibilities
- Leading projects for the development and support of mechanical equipment, especially air conditioning, refrigeration, and air handling systems including heat exchangers
- Engineering project management supporting schedule development, cost, project resources and communication with internal/external customers
- Evaluate and recommend design approaches to meet production requirements for new or improved products or services. Investigate solutions to product or process problems
- Engineering of HVAC&R equipment for component sizing, selection, and performance predictions. May include Mechanical Analysis, Aerodynamics/Fluids, Thermal, Fluid Systems, Mechanical Packaging, or others
- Specify and evaluate supplier components, subsystems, and services. Participate in supplier scouting, evaluation and engagement activities in support of new projects
- On-time project execution by collaborating with engineering service firms and managing on-site or remote contingent resources effectively
- Support development of product designs, manufacturing drawings, bills of material and associated supporting documentation for fabrication and delivery of products and prototypes
- Review customer specifications and requirements in support of bids and proposals and develop compliant designs for product development
- Development of technical documentation, manuals, and procedures
- Support testing, qualification, documentation and analysis of prototypes, products, systems or subsystems
Job Responsibilities Part II
- Responsible for completion of projects on time, within budget and following design specifications
- Provide budget, cost and schedule input for status of project assignments
- Work with manufacturing and cross functional teams to achieve project cost and manufacturing efficiency goals
- Communicate clearly (written and oral) with other company personnel and customers
- Contribute to team efforts by accomplishing results in a cooperative and supportive manner
- Attend appropriate engineering, customer, or business meetings
- Maintain and develop technical knowledge by conferring with technical specialists and suppliers; attending educational workshops; and reviewing professional publications
- Ability to work independently under supervision of others while reporting progress and status
- Support, communicate, reinforce, and defend the mission, values and culture of the organization
Qualifications
- Bachelor’s Degree in Mechanical Engineering or related technical field
- At least 5 years of experience leading engineering projects especially new product development (NPD) or research & development (R&D) projects and providing status updates regarding technical progress, budgets, and schedule
- Engineering or design experience with mechanical equipment, assemblies and components including machined components, welded structures and sheet metal parts
- Comfortable and competent writing and creating technical documentation
- Competent using MS Office (Word, Excel, Visio, Project, and PowerPoint)
Desired Qualifications
- Experience with HVAC&R (air conditioning, air handling and refrigeration) equipment and suppliers.
- Experience designing and drafting with PTC CREO, AutoCAD Mechanical 2D or similar CAD/PLM platforms
- Basic experience creating drawings (drafting) following ASME Y14.100 and associated documentation such as bill of materials
- Understanding of ASHRAE test requirements and certification of Air Conditioning, Refrigeration, and Air Handling systems
- Experience with refrigeration systems, turbomachinery equipment including induction motors, and metal additive manufacturing
- Experience conducting product design/technology reviews with customers and capturing product needs
- Experience designing defense products, especially for the US Navy
U.S. Citizenship required.
- Some employees are eligible for limited benefits only
Leonardo DRS, Inc. and its subsidiaries provide equal opportunities to all employees and applicants for employment and prohibit discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws.
#NPS
Job ID: 115135
The Leonardo DRS Naval Power Systems business is a trusted provider of innovative naval gas and hybrid power systems, control technology and support solutions for the U.S. Navy and navies around the world.
Company Overview
DRS Marlo Coil manufactures durable heat transfer, refrigeration, and air handling equipment serving industrial, commercial, utility, and marine sectors. Our custom-engineered heat transfer solutions are designed to cool, heat, and dehumidify air streams for both process applications and building comfort. Our equipment is proudly installed on most U.S. Navy surface combatant ships and submarines. Additionally, DRS Marlo Coil is strategically positioned for substantial growth in the Industrial and Commercial markets.
For more information on Leonardo DRS, visit www.leonardodrs.com, and for details on our Commercial/Industrial operations, see www.marlocoil.com.
Job Summary
Mechanical Engineer position responsible for leading projects and developing a variety of HVAC&R product designs for both commercial and defense markets including heat exchangers, air conditioning, refrigeration, and air handling systems. This position will be responsible for leading development of new products, supporting legacy products; sizing and selecting components; supporting strategic initiatives; creating associated documentation; and supporting product testing, qualification, and production.
Job Responsibilities
- Leading projects for the development and support of mechanical equipment, especially air conditioning, refrigeration, and air handling systems including heat exchangers
- Engineering project management supporting schedule development, cost, project resources and communication with internal/external customers
- Evaluate and recommend design approaches to meet production requirements for new or improved products or services. Investigate solutions to product or process problems
- Engineering of HVAC&R equipment for component sizing, selection, and performance predictions. May include Mechanical Analysis, Aerodynamics/Fluids, Thermal, Fluid Systems, Mechanical Packaging, or others
- Specify and evaluate supplier components, subsystems, and services. Participate in supplier scouting, evaluation and engagement activities in support of new projects
- On-time project execution by collaborating with engineering service firms and managing on-site or remote contingent resources effectively
- Support development of product designs, manufacturing drawings, bills of material and associated supporting documentation for fabrication and delivery of products and prototypes
- Review customer specifications and requirements in support of bids and proposals and develop compliant designs for product development
- Development of technical documentation, manuals, and procedures
- Support testing, qualification, documentation and analysis of prototypes, products, systems or subsystems
Job Responsibilities Part II
- Responsible for completion of projects on time, within budget and following design specifications
- Provide budget, cost and schedule input for status of project assignments
- Work with manufacturing and cross functional teams to achieve project cost and manufacturing efficiency goals
- Communicate clearly (written and oral) with other company personnel and customers
- Contribute to team efforts by accomplishing results in a cooperative and supportive manner
- Attend appropriate engineering, customer, or business meetings
- Maintain and develop technical knowledge by conferring with technical specialists and suppliers; attending educational workshops; and reviewing professional publications
- Ability to work independently under supervision of others while reporting progress and status
- Support, communicate, reinforce, and defend the mission, values and culture of the organization
Qualifications
- Bachelor’s Degree in Mechanical Engineering or related technical field
- At least 5 years of experience leading engineering projects especially new product development (NPD) or research & development (R&D) projects and providing status updates regarding technical progress, budgets, and schedule
- Engineering or design experience with mechanical equipment, assemblies and components including machined components, welded structures and sheet metal parts
- Comfortable and competent writing and creating technical documentation
- Competent using MS Office (Word, Excel, Visio, Project, and PowerPoint)
Desired Qualifications
- Experience with HVAC&R (air conditioning, air handling and refrigeration) equipment and suppliers.
- Experience designing and drafting with PTC CREO, AutoCAD Mechanical 2D or similar CAD/PLM platforms
- Basic experience creating drawings (drafting) following ASME Y14.100 and associated documentation such as bill of materials
- Understanding of ASHRAE test requirements and certification of Air Conditioning, Refrigeration, and Air Handling systems
- Experience with refrigeration systems, turbomachinery equipment including induction motors, and metal additive manufacturing
- Experience conducting product design/technology reviews with customers and capturing product needs
- Experience designing defense products, especially for the US Navy
U.S. Citizenship required.
- Some employees are eligible for limited benefits only
Leonardo DRS, Inc. and its subsidiaries provide equal opportunities to all employees and applicants for employment and prohibit discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws.
#NPS
See All 9 Mechanical Project Engineer Jobs in Missouri
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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
Top Industries Hiring
- Construction & Real Estate
- Manufacturing
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 required
- Professional Engineer licensure issued or recognized by the Missouri Board for Architects, Professional Engineers, Professional Land Surveyors and Professional Geologists preferred for senior roles
- Three or more years of hands-on project engineering experience in manufacturing, energy, or defense environments
- Demonstrated ability to manage project schedules, budgets, and cross-functional engineering teams
- Proficiency in CAD software such as AutoCAD, SolidWorks, or equivalent mechanical design tools
- Strong working knowledge of ASME codes, pressure vessel standards, or industry-specific mechanical regulations
Mechanical Project Engineer Jobs in Missouri: Frequently Asked Questions
How do you become a mechanical project engineer in Missouri?
A bachelor's degree in mechanical engineering from an ABET-accredited program is the standard entry point in Missouri. For roles involving public safety or higher-level project sign-off, engineers pursue licensure through the Missouri Board for Architects, Professional Engineers, Professional Land Surveyors and Professional Geologists, starting with the Fundamentals of Engineering exam and progressing to the Professional Engineer exam after gaining qualifying experience.
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 companies hire mechanical project engineers in Missouri?
Missouri mechanical project engineer roles are posted by Clayco, Olsson, and Concorp and others right now, based on current listings on Migrate Mate as of August 2026. Missouri's aerospace, energy management, and engineering consultancy sectors drive consistent year-round demand for this role.
Which Missouri cities have the most mechanical project engineer jobs?
St. Louis, Kansas City, and St Louis hold the most mechanical project engineer openings in Missouri. St. Louis draws the largest share through its aerospace and advanced manufacturing base anchored by firms like Boeing and Emerson, while Kansas City's engineering consultancy and energy infrastructure sector sustains strong demand, and smaller markets reflect hiring by regional manufacturers and utilities.
Are there remote mechanical project engineer jobs in Missouri?
Yes, but they're rare. About 50% of mechanical project engineer openings tied to Missouri are remote or hybrid as of August 2026, reflecting the hands-on, site-dependent nature of most project engineering work. The tasks most likely to carry hybrid flexibility are project coordination, documentation review, and vendor management phases rather than active commissioning or plant-floor engineering.
How can I get hired as a mechanical project engineer in Missouri with little or no experience?
The most realistic path is a rotational or new-graduate program at a large Missouri employer. Boeing's St. Louis operations and Emerson Electric regularly recruit engineering graduates into structured early-career programs. Entry roles like project coordinator, mechanical design engineer, or field engineer on a smaller capital project provide the experience base to step into a full project engineering title. Passing the Fundamentals of Engineering exam while still in school gives Missouri candidates a concrete credential that signals readiness to employers before any work history exists.
Where can I find and apply to mechanical project engineer jobs in Missouri?
You can find and apply to mechanical project engineer jobs in Missouri on Migrate Mate, which lists current Missouri openings updated regularly. Search the available roles, identify the ones that fit your background and location, and apply directly through each listing.
See All 9 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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