UNKNOWN

FEED

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

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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)

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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.

Control Devices LLC

Controls Engineer

Support maintenance managers with tuning and troubleshooting of natural gas fired industrial burners, thermal oxidizers (recuperative/RTO) and combustion air delivery systems to ensure complete VOC destruction and safe gas firing. You will work with a team of experienced engineers while managing your own projects, developing and implementing cost-effective manufacturing solutions on existing and new process lines to improve safety, quality, productivity and cost.

HiFyve

Process Engineer - Days (M-F, $120k-$150k)

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In addition to a comprehensive benefits package, Cushman and Wakefield provide eligible employees with competitive pay, which may vary depending on eligibility factors such as geographic location, date of hire, total hours worked, job type, business line, and applicability of collective bargaining agreements. Cushman & Wakefield also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health, vision, and dental insurance, flexible spending accounts, health savings accounts, retirement savings plans, life, and disability insurance programs, and paid and unpaid time away from work.

Cushman & Wakefield

Operating Engineer

CDG Engineers, Inc. is a full-service, multi-discipline professional services organization based in St Louis, MO, with capabilities in civil, structural, electrical, and mechanical engineering, as well as architecture. As a Senior Substation Engineer at CDG Engineers, you will be responsible for designing and implementing critical electrical infrastructure projects.

YEAR

CDG Engineers, Inc.

Substation Engineer (Relay Coordination)

The Manufacturing Engineer will utilize strong communication skills to accurately convey program requirements and coordinate the resolution of key issues to the Fabrication Plants, Supply Chain, Engineering, and Quality Departments. Our team of experts is dedicated to staying ahead of the curve in the aerospace and defense industry, utilizing the latest technologies and processes to ensure that we deliver the best possible solutions to our customers.

LMI Aerospace Inc

Aerospace Manufacturing Engineer

OTHER

Responsible for developing and implementing engineering solutions for turbine generator related challenges, collaborating with cross-functional teams, and supporting the installation and commissioning of turbine systems. Will contribute directly to the reliability and efficiency of energy generation systems, making a significant impact on operational performance.

MD&A

Turbine Generator Reverse Engineer

Betterteam

You'll be responsible for managing the scope, schedule, and budget of your assigned systems or unit operations, while collaborating closely with clients, vendors, and internal teams to deliver high-quality, innovative solutions. CRB is a leading provider of sustainable Engineering, Architecture, Construction and Consulting solutions to the global life sciences and food and beverage industries.

Senior Process Engineer - Liquid Systems

The ideal candidate will have strong BAS engineering experience, familiarity with Tridium platforms, and the ability to work closely with cross-functional teams to deliver accurate, cost-effective system designs. Louis metro area is looking for an experienced Applications Engineer to help expand and support its growing controls division.

ControlsJobs

Application Engineer

Growing firm with offices in multiple states is seeking a Senior Water Wastewater Engineer/Project Manager for their team in St. Responsibilities: Plan/design water and wastewater systems (pumping, process and mechanical piping, related valves and process equipment).

Harrison Consulting Solutions

Water Wastewater Engineer/Project Manager

Ramaker & Associates, Inc. is a multidisciplinary, employee-owned architecture, engineering, and interior design firm serving aquatics, hospitality, commercial development, renewable energy, telecommunications, and other project sectors. Our aquatics work spans a wide variety of facilities and project types, creating opportunities to contribute to projects with meaningful technical scope and real-world impact.

Ramaker & Associates, Inc.

Aquatics Designer/Aquatics Engineer

Workable

The Advanced Packaging Engineer is responsible for conceptualizing, designing, developing, revising, coordinating, and implementing packaging structures for all products under the authority of STERIS St. Louis Operations. Design, develop, and implement effective, creative, cost appropriate packaging consistent with objectives across Marketing, Product Development, Manufacturing, Regulatory, Quality Systems, Engineering, and Purchasing.

Steris Plc

Advanced Packaging Engineer

Understand, maintain and troubleshoot control systems, including PLC/PC controllers and industrial networks such as Ethernet, ControlNet, DeviceNet, Profibus, ASi bus, motor control systems, servo drives, frequency drives, and electrical distribution systems. NOTICE TO EXTERNAL SEARCH FIRMS: McCarthy's Talent Acquisition Team is the only authorized representative permitted to engage with external search firms, staffing agencies, or other third-party recruiting partners.

McCarthy Holdings Inc

Automation Engineer - Mission Critical

This role interprets customer needs, translates them into functional control solutions, and leads cross functional activities related to new product development, customer-driven requests, and existing product improvements. Project Leadership & Cross‑Functional Collaboration Work closely with Product Engineering, Quality, Manufacturing, Marketing, Field Service, and other teams to support new product development and product enhancements.

Panasonic has an unyielding commitment to the society in which we operate and for international growth. We offer gratifying careers to self-motivated and talented individuals with globally oriented backgrounds for helping us to set new standards in our field. We are actively recruiting the best and brightest candidates to join our worldwide team.

Panasonic Corporation of North America

In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Education: A Bachelor of Science degree from an accredited course of study in engineering, engineering technology, chemistry, physics, mathematics, data science, or computer science is required.

HOUR

StratAcuity Staffing Partners Inc

Sr. Systems Engineer

Lead technical evaluation, specification, procurement support, factory acceptance testing, commissioning, and operational support of major equipment including transformers, inverters, energy storage systems, medium-voltage collection systems, and balance-of-plant infrastructure. The Renewables Engineer is primarily responsible for the specification and design of utility-scale renewable and inverter-based generation and storage facilities (wind, solar, battery, fuel cells) as the technical lead on the project team.

Ameren

Renewable Engineer

The general purpose of the Chief Engineer is managing the maintenance of all the mechanical, electrical, and plumbing (MEP) systems throughout the hotel and managing the Engineering department, establish and maintain preventative maintenance programs for all equipment, systems, guestrooms and public areas/ general maintenance; lead effective safety programs; coordinate and implement capital MEP improvement projects. Responsible for the development, implementation and training schedule of extensive Engineering Manuals to include but not limited to Policies and Procedures, equipment locations and operations, Guest Request and House Request Program, Life Safety, location of shut-off valves, isolation valves and utilities mains.

Mechanical Engineer Jobs in St. Louis, MO

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

Process Engineer - Days (M-F, $120k-$150k) HiFyve

Operating Engineer Cushman & Wakefield

Substation Engineer (Relay Coordination) CDG Engineers, Inc.

Aerospace Manufacturing Engineer LMI Aerospace Inc

Turbine Generator Reverse Engineer MD&A

Senior Process Engineer - Liquid Systems CRB Group, Inc

Application Engineer ControlsJobs

Water Wastewater Engineer/Project Manager Harrison Consulting Solutions

Aquatics Designer/Aquatics Engineer Ramaker & Associates, Inc.

Advanced Packaging Engineer Steris Plc

Automation Engineer - Mission Critical McCarthy Holdings Inc

Controls Engineer Panasonic Corporation of North America

Sr. Systems Engineer StratAcuity Staffing Partners Inc

Renewable Engineer Ameren

Chief Engineer CoralTree Hospitality

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