Project / Mechanical Engineer The Kemtah Group, Inc.Project / Mechanical EngineerHigh Ridge, MOParticipate 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 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 Experience leading engineering projects especially new product development 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) Additional 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 Belcan is a leading provider of qualified personnel to many of the world''s most respected enterprises.
Mechanical Engineer III Hunter Engineering CoMechanical Engineer IIIBridgeton, MOAs a family-owned, American-made company, Hunter is the global leader in automotive service equipment, with our products used in over 130 countries by top vehicle manufacturers, tire companies, and service centers. Must be a proactive, creative self-starter, proficient with CAD (Creo preferred), and have experience with mechanism design, analysis, machined metal parts, material and heat treat.
Senior Mechanical Engineer MiTek Industries IncSenior Mechanical EngineerMOWith nearly 5,600 team members worldwide, MiTek collaborates across the building industry to enable and accelerate transformational breakthroughs in design and construction to transform the way the industry designs, makes, and builds. Today, MiTek delivers software, services, engineered products, and automated solutions that enable the building industry to improve efficiencies by optimizing the balance between off-site and on-site.
Mechanical Engineer III CRB Group, Inc.Mechanical Engineer IIISt. Louis, MOAs a Mechanical Engineer III, youll play a key role in designing mechanical systems for complex facilities while also taking ownership of project scope and mentoring junior team members. Youll contribute across the full project lifecyclefrom early concept through constructionworking alongside a multidisciplinary team to deliver high-quality, coordinated solutions.
Senior Mechanical Engineer Symbiotic ServicesSenior Mechanical EngineerGranite City, IllinoisSymbiotic Services is seeking a Senior Mechanical Engineer to support complex industrial and commercial projects within a design-build environment. This role combines technical design expertise with project execution.
Civil or Mechanical Engineer - Entry Level Farnsworth Group IncCivil or Mechanical Engineer - Entry LevelSt. Louis, MOFor 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. Complete site visits including but not limited to surveying, locating, and documenting existing conditions (may include overnight travel depending on job location).
Mechanical Project Engineer - Healthcare Farnsworth Group IncMechanical Project Engineer - HealthcareSt. Louis, MODesign 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. 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.
Senior Mechanical Engineer Clayco IncSenior Mechanical EngineerSt. Louis, MOWith $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. 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.
NewMechanical Engineer II Hunter Engineering CoMechanical Engineer IIBridgeton, MOAs a family-owned, American-made company, Hunter is the global leader in automotive service equipment, with our products used in over 130 countries by top vehicle manufacturers, tire companies, and service centers. Design parts and assemblies consisting of sheet metal, weldments, machined parts, castings, plastics, sensors, and electronics.
Project / Mechanical Engineer BelcanProject / Mechanical EngineerHigh Ridge, MOParticipate 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 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 * Experience leading engineering projects especially new product development * 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) Additional 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 Belcan is a leading provider of qualified personnel to many of the world's most respected enterprises.
Design Integration Manager (Mechanical) Alberici Constructors Inc.Design Integration Manager (Mechanical)Saint Louis, MOPart timeThe person is responsible for leading the design process for all mechanical scopes (HVAC, plumbing, piping, process equipment) on design-build, engineer-procure-construct, construction manager at-risk, and other alternative delivery projects to ensure that design maximizes value for our clients and adheres to contracted scope, budget, and schedule. The Design Integration Manager (Mechanical) collaborates closely with our project development, operations, estimating, and project support teams throughout the pursuit, preconstruction, construction, commissioning, and close-out phases of projects.
Senior Design Integration Associate Alberici Constructors Inc.Senior Design Integration AssociateSaint Louis, MOPart timeThe Senior Design Integration Associate (Mechanical / Civil) is responsible for supporting the successful execution of the design phase on design-build, engineer-procure-construct, construction manager-at-risk, or other alternative delivery projects across all Alberici markets. Louis, Missouri with more than 1,200 employees and nearing $2B in revenue, Alberici is a diversified construction company that partners with leading organizations throughout North America to build their most challenging and important projects.
Mechanical Engineer MiTek Industries IncMechanical EngineerMOWith nearly 5,600 team members worldwide, MiTek collaborates across the building industry to enable and accelerate transformational breakthroughs in design and construction to transform the way the industry designs, makes, and builds. Today, MiTek delivers software, services, engineered products, and automated solutions that enable the building industry to improve efficiencies by optimizing the balance between off-site and on-site.
Commissioning Engineer & Mechanical Project Manager (Specialized Critical Facilities) - Enterprise Physical Operations Washington University in St LouisCommissioning Engineer & Mechanical Project Manager (Specialized Critical Facilities) - Enterprise Physical OperationsSt. Louis, MO$84,200–$148,500 / yearCertifications/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. 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).
NewCorporate Engineer - Mechanical The Gund CompanyCorporate Engineer - MechanicalOlivette, MOExecute on projects and tasks as outlined and directed by the director of engineering (typically requested by the various facilities) in a timely manner and communicate to all stake holders project progress. Execute on approved engineering projects and tasks to realize ROI and to meet timeline, communicate to all stakeholders on project progress and organize project reviews as per plan.
Project Engineer Mechanical Procurement Clayco IncProject Engineer Mechanical ProcurementSt. Louis, MOWith $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. As the Project Engineer (Mechanical Procurement), you will support the CDC team in developing competitive HVAC/mechanical estimates and procurement plans, sourcing equipment and materials, and building relationships with manufacturers, reps, and subcontract partners.
Network Engineer III CACINetwork Engineer IIISaint Louis, MissouriAnalyzes designs, develops, and/or maintains both hardware and software needed for network communications including local area networks (LANs) wide area networks (WANs), the internet, intranets, and other data communication systems. • Works individually and also actively participates on integrated teams to support the customers deployable networks supporting multiple mission partners at multiple locations CONUS/OCONUS.
Senior Network Software Engineer Leidos Holdings IncSenior Network Software EngineerShiloh, IL$87,100–$157,450 / yearThe Senior Network Software Engineer will support the development and release of new software tools using the Cisco Network Services Orchestrator (NSO) platform, Python, and other software languages to sustain and manage a Carrier-class Wide Area Network for the Defense Information Systems Agency under the Department of War. Experience creating software design artifacts, including the creation of functional, technical, and architectural design documentation as well as test cases and installation, deployment and configuration documentation.
Machine Vision Engineer Hunter Engineering CoMachine Vision EngineerMOAs a family-owned, American-made company, Hunter is the global leader in automotive service equipment, with our products used in over 130 countries by top vehicle manufacturers, tire companies, and service centers. Experience in board-level electronic design, including imager, microcontroller, PLD, memory architecture, low-voltage power supply, and basic analog design.
Project Engineer III/IV - Water/Wastewater Gonzalez CompaniesProject Engineer III/IV - Water/WastewaterSt. Louis, Missouri$40–$55 / hourGonzalez Companies is a partner managed firm that provides comprehensive Planning, Design, and Construction Management Services to large and small Water, Sewer and Utility Districts; Departments of Transportation; and municipalities. Working primarily in the Greater St. Louis, Chicago, and Louisville metro areas, Gonzalez offers a great work environment, generous benefit packages, and opportunities to succeed in many professional disciplines.