UNKNOWN

FEED

This role involves supporting the full project lifecycle-from pre-construction design and RFP development to construction oversight and ongoing operations support-ensuring quality, budget, and schedule goals are met. Project Engineering/Management responsibilities: Support Senior Engineers and Project Managers in the performance of construction administration services for electrical and/or mechanical systems and other related systems/components.

WESCO

Project Engineer (Engineering & Construction) - Data Center

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OTHER

This position is focused on new business development, complex solution selling, and building long-term relationships with mechanical contractors, engineers, and end-users. GPAC (Growing People and Companies) is an award-winning search firm specializing in placing quality professionals within multiple industries across the United States since 1990.

Gpac’s mission is to be the preferred staffing and recruitment solution by effectively delivering and connecting talent with successful companies and organizations. 
 
Our team, with collective experience of over 250 years, is passionate about wh

Gpac

Sales Engineer HVAC

LogicMelon

Our product line features a full line of high efficiency motors for industrial applications in water treatment, mining, oil and gas, and power generation, and for commercial applications such as pool and spa, condensers, cooling towers and large refrigeration units. This role has a direct impact on product performance, quality, cost, and manufacturability through advanced engineering judgment, deep technical expertise, and cross‑functional collaboration.

Nidec Motor Corporation

Design Engineer III

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The position works closely with Product Management, Systems Engineering, Mechanical Engineering, Controls Engineering, Manufacturing Engineering, Quality, and Supply Chain teams to deliver high-performance motor and drive solutions that meet customer and market requirements. Optimize stator and rotor designs to meet performance objectives such as torque density, thermal performance, and total system cost, utilizing electromagnetic design tools such as MotorCAD, Maxwell, Flux, JMAG, SPEED, and equivalent simulation platforms.

Electromagnetic Design Engineer

The Design Project Engineer collaborates with Engineering, Production, and Maintenance to design and develop machinery, equipment, tooling, and fixtures that improve internal manufacturing operations. The ideal candidate is a results-oriented, hands-on problem solver who can develop innovative solutions while considering manufacturing constraints, project requirements, and operational needs.

Design Project Engineer

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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. Supports power distribution, switchgear, transformers, UPS and generators, busway, lighting, fire alarm, and low voltage packages on large-scale Data Center, Industrial, Life Science, Commercial, and Institutional projects.

Clayco

Procurement Engineer, Electrical

Crelate

PART_TIME

Occasional lifting on the job is generally limited to moving computers, scanners, hand tools, meters, and manuals or files whose length and size cause them to be clumsy to move around, and whose weight is usually under 50 lb. Participate in and contribute to project and interdepartmental meetings to facilitate successful completion of projects and to meet customer expectations and needs.

Salas O'Brien, Inc.

Structural Engineer Intern - Summer 2027

By blending people-centric leadership with disciplined operational strategies and purpose-driven growth, Barry-Wehmiller has become a $3 billion organization with nearly 12,000 team members united by a common belief: to use the power of business to build a better world. Rooted in our distinct culture of Truly Human Leadership, we cultivate the leaders who will define tomorrow and partner with our clients in the food & beverage, life sciences, industrial, and advanced technology industries to build the future of manufacturing and technology.

YEAR

Barry-Wehmiller

Entry Level Safety Engineer

Responsible as leading expert for Active Pharmaceutical Ingredients (APIs) and/or Oral Solid Dose (OSD) processing operations, regulatory guidance trends, evolving technology innovations, OEM supplier community partner, recognized industry expert through published/presented thought leadership and for launching and nurturing lifecycle client programs. Understanding and development of process construction documents including piping & instrument diagrams (P&IDs), equipment general arrangement drawings, piping plans inclusive of orthographic and isometric drawings, operator access platform and equipment support drawings, line lists, tie-in lists, installation specifications, bills of material (BOM), scopes of work, etc.

Principal Process Engineer - API + OSD

Local Specific Summary: VITEK Reveal Systems Engineer – the primary responsibilities for this position will include performing root cause investigations of potential product design failures, performing system verification activities including the creation of plans, protocols, test cases, test case execution, and summary reporting, and acting as a product subject matter expert assisting with the maintenance of requirements, performing system impact assessments of proposed changes, assessing design with reliability consulting, contributing to product risk analysis, contributing to the transfer of product knowledge to other departments as needed, providing input to customer facing service documentation, along with additional system engineering tasks. In addition, bioMérieux offers a competitive Total Rewards package that may include: · A choice of medical (including prescription), dental, and vision plans providing nationwide coverage and telemedicine options · Company-Provided Life and Accidental Death Insurance · Short and Long-Term Disability Insurance · Retirement Plan including a generous non-discretionary employer contribution and employer match.

BioMerieux

Systems Engineer - Reveal

Through our deep domain expertise and legacy of flawless execution, Emerson helps customers in critical industries like life sciences, energy, power and renewables, chemical and advanced factory automation operate more sustainably while improving productivity, energy security and reliability. We provide project management, engineering and design services, and supply of control systems hardware and software for control system projects in the refining, chemical, petrochemical, oil and gas production, pulp and paper, pharmaceutical, food and beverage, and power industries.

Emerson Electric Co

Entry Process Automation Systems Engineer

Demonstrated experience with process design, plant layout, and equipment commissioning in a new or expanding facility; line startup experience (leading or participating) required; greenfield launch experience strongly preferred. Proficient in CAD software (AutoCAD, SolidWorks, or similar) for plant layout and process design; experience with process control systems, data analysis tools, and ERP/MES systems; proficient in Microsoft Office Suite.

King Technology, Inc

Sr. Manufacturing/Process Engineer

Watlow is a global technology and manufacturing leader who provides world class engineering expertise through innovative thermal products and systems, enabling our customers to thrive. Youll coordinate engineering, sales, applications, operations, supply chain and finance to deliver compliant, competitive proposals that win profitable business.

Watlow Electric Manufacturing Co

Lead Application Engineer - Bid Manager

Accu-Glass specializes in evaluating a customer's concept, designing an engineered solution to produce prototypes, and producing finished components that can be integrated into the customers'​ unique application. Hands-on Technical Support: Provide direct engineering support to resolve complex manufacturing issues on the production floor, utilizing structured root-cause analysis.

Accu-Glass LLC

Senior Manufacturing & Automation Engineer

Working closely with sales representatives and cross-functional teams, this role develops customer-focused equipment solutions, prepares accurate cost estimates and technical documentation, and manages projects from quotation through order handoff. Support continuous improvement initiatives, maintain sales templates and estimating data, participate in peer reviews, and contribute to team development through cross-training and collaboration.

Arizon Companies

Application Engineer

We specialize in fresh, sous vide cooked proteins and patented food-safety technologies, serving some of the most trusted brands, and culinary teams across the United States. This role sits at the core of the Build team, leading Thermal Processing, Cook and Chill Processes, Plant Facilities functions for Deli Star operations.

Deli Star Corporation

Senior Thermal Process Engineer

As an AEC firm, we proudly specialize in industries that inherently carry important social responsibility - we recognize our impact and influence in the communities we serve and pursue corporate responsibility through the lens of people, community, and planet. Project sizes will vary and consist mainly of pharmaceutical, biotech, food and beverage, or industrial projects including existing building renovations/retrofits and new construction.

CRB Group, Inc

Process Engineer Intern (Summer 2027)

FULL_TIME

This role serves as a project lead and works under the guidance of senior engineering staff while independently performing electrical design tasks, supporting project execution, and contributing to successful project delivery from design through installation and startup. Overview: Roeslein & Associates  is a global leader in engineering, manufacturing, and construction services, specializing in modular, pre-fabricated solutions for the energy, beverage, and industrial sectors.

Roeslein & Associates

Electrical Engineer

[AW]-iCims

The key to success as a Project Engineer is the ability to formulate an effective technical strategy which allows for winning projects, achieving acceptable profitability, and ensuring successful project execution. Job Description: The Project Engineer will work closely with the Sales and Project Management team to support company growth through uncovering and securing project opportunities with new and current customers.

AMETEK, Inc. is a leading global provider of industrial technology solutions serving a diverse set of attractive niche markets with annual sales over $7.0 billion.
AMETEK is committed to making a safer, sustainable, and more productive world a reality. We use differentiated technology solutions to solve our customers’ most complex challenges. We employ 21,000 colleagues, in 35 countries, that are grounded by our core values: Ethics and Integrity, Respect for the Individual, Inclusion, Teamwork, and Social Responsibility. AMETEK (NYSE:AME) is a component of the S&P 500. Visit <a title="www.ametek.com" href="https://urldefense.com/v3/__https:/jobs.ametek.com/job/Peabody-Mechanical-Assembler-2nd-Shift-MA-01960/1227162200/www.ametek.com__;!!D1XWH5In!Qe6CY6Xjeo7hJeMe15YOtCEgPEXWMI-tgryDnyf9xk9G-u30G60-2eSWkgNSopi-5Aw934gT_JIuhwSVKLBpr9dv3kA$" target="_blank" rel="noopener">www.ametek.com</a> for more information.

AMETEK Inc

Project Engineer

Control Devices (or "CDI"), an HBM Holdings company headquartered in Greater St. Louis, is a leading designer and manufacturer of engineered flow control solutions in the compressed gas, compressed air, oil & gas, and liquid controls markets. Control Devices leverages operational excellence and flow control expertise to deliver trustworthy flow control products and innovative solutions that protect life and our planet.

Mechanical Engineer Jobs in St. Louis, MO

Project Engineer (Engineering & Construction) - Data Center WESCO

Sales Engineer HVAC Gpac

Design Engineer III Nidec Motor Corporation

Electromagnetic Design Engineer Nidec Motor Corporation

Design Project Engineer h-j

Procurement Engineer, Electrical Clayco

Structural Engineer Intern - Summer 2027 Salas O'Brien, Inc.

Entry Level Safety Engineer Barry-Wehmiller

Principal Process Engineer - API + OSD Barry-Wehmiller

Systems Engineer - Reveal BioMerieux

Entry Process Automation Systems Engineer Emerson Electric Co

Sr. Manufacturing/Process Engineer King Technology, Inc

Lead Application Engineer - Bid Manager Watlow Electric Manufacturing Co

Senior Manufacturing & Automation Engineer Accu-Glass LLC

Application Engineer Arizon Companies

Senior Thermal Process Engineer Deli Star Corporation

Process Engineer Intern (Summer 2027) CRB Group, Inc

Electrical Engineer Roeslein & Associates

Project Engineer AMETEK Inc

Controls Engineer Control Devices LLC

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