UNKNOWN

FEED

We develop and produce a full range of liquid and dry palatability enhancers using high-quality ingredients proven to optimize companion animal response and consumption. If you’re ready to take the lead on projects that truly make a difference—from improving safety to driving operational excellence—this is your opportunity to leave a lasting impact.

Ensign-Bickford Industries

Project Engineer

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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.

Sonaca

Aerospace Manufacturing Engineer

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Design electric detonators, stab detonators, initiators, and CAD/PAD devices, including material selection, component specifications, and assembly processes. Design and execute qualification and acceptance test programs including environmental, functional, and lot acceptance testing per military specifications.

Critical Fit Recruiting

Product Engineer-Energetics

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

Structural Engineer Intern - Summer 2027

In a project execution environment, the discipline engineer's primary responsibility is to efficiently execute the discipline work package efficiently and smoothly within the range of cost effectiveness. The Static Equipment Engineer is part of a hierarchical organization and report directly to the Team Manager as his/her immediate Discipline Superior.

Airgas Inc

Static Equipment Engineer

allowed, Fluctuating Temps hot/cold, Laboratory Setting, Loud Noises (Equipment/Machinery), Some degree of PPE (Personal Protective Equipment) required (safety glasses, gowning, gloves, lab coat, ear plugs etc.), Standing for full shift, Various outside weather conditions, Warehouse, Will work with hazardous/toxic materials, Working at heights. While each Field Service Engineer will have a primary assigned territory and regional alignment, travel outside the assigned region will be required on occasion based on customer needs, training requirements, business priorities, and support needs across the broader Field Service organization.

HOUR

Thermo Fisher Scientific Inc. (NYSE: TMO) is the world leader in serving science. Our mission is to enable our customers to make the world healthier, cleaner and safer. With revenues of nearly $11 billion, we have approximately 37,000 employees and serve customers within pharmaceutical and biotech companies, hospitals and clinical diagnostic labs, universities, research institutions and government agencies, as well as in environmental and process control industries. We create value for our key stakeholders through two premier brands, Thermo Scientific and Fisher Scientific, which offer a unique combination of continuous technology development and the most convenient purchasing options. Our products and services help accelerate the pace of scientific discovery, and solve analytical challenges ranging from complex research to routine testing to field applications. All of our employees share a common set of values - Integrity, Intensity, Innovation and Involvement. Our ability to grow year after year is driven by our ability to attract, develop and retain world-class people who will thrive in our environment and share in our desire to improve mankind by enabling our customers to make the world healthier, cleaner and safer. If you share in our values and if you're looking for an employer who is strongly committed to developing talent and rewarding achievement, come grow with us at Thermo Fisher Scientific. Thermo Fisher Scientific is an Equal Employment Opportunity and Affirmative Action employer.

Thermo Fisher Scientific Inc

Field Service Engineer I (Analytical Instrumentation) Various Locations

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This role is an excellent chance to work with a company known for its innovation and technical expertise on design-build HVAC and building automation projects across a wide range of industries. About the Opportunity: A nationally recognized mechanical and controls contractor is seeking a skilled Controls Applications Engineer to join its St.

YEAR

ControlsJobs

Controls Applications Engineer

FULL_TIME

We are committed to this level of quality in both our product line and customer service, and focus our resources on investigating and implementing new coil coating technologies, developing unique coatings, ink and film systems, and designing multifaceted prints while reducing the cycle time to market. We are seeking a results-driven Reliability Engineer to join our Engineering & Maintenance team to support the maintenance and reliability efforts across fourteen coil coating facilities.

Precoat Metals

Reliability Engineer

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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.

CRB Group, Inc.

Senior Process Engineer - Liquid Systems

The Construction Manager/Engineer will oversee all onsite operations and be responsible for implementing BC's safety and quality programs, to develop and manage project schedules, to manage and coordinate with subcontractors, to manage risk, to review subcontractor pay applications, as well as to track production, change management, submittals, and RFIs, etc. The successful candidate will have the opportunity to support Integrated Project Delivery (IPD)/Design-Build projects focused on Industrial Water/Wastewater Infrastructure, Remediation Construction, and Industrial Process/Mechanical work for clients in the market sectors of Energy and Production.

Brown and Caldwell Inc

Onsite Construction Manager / Engineer

Set up molding machines and trimmer, align and install molds, set and adjust time cycles, air pressures and water temperatures, position labeler, change over and adjust reamer, trim stations, material inspection system, and adjust sequence timing for all operations. Respond to emergency work order requests, troubleshoot, and analyze systems, investigate the nature of the problems, check for software and hardware defects and verify equipment for proper operation.

Pretium Packaging

Process Engineer

This position is a key leadership role responsible for guiding a talented team of engineers in developing innovative products, improving existing designs, and driving process efficiency across the organization. Our team members are passionate about creating reliable solutions for our customers worldwide while upholding our values of integrity, teamwork, and continuous improvement .

The H-J Family of Companies

Principal Engineer

We’re looking for curious, driven students who want more than just a summer job—interns who want real hands-on experience, opportunities to learn from experts, and a chance to spark their future careers. Summary: As an Electrical Engineer Intern, you will support our engineering team by running simulations, updating technical documentation, and collaborating with cross-functional teams.

Electrical Engineer Intern - Summer 2027

Our team combines the talents of Bastian Solutions, Vanderlande's warehousing business and viastore under one brand to deliver scalable systems, intelligent software and life-cycle services. Employees must follow all information security policies, protect confidential data, complete required training, and report any suspected security incidents to support our information security controls.

Bastian Solutions, LLC

Controls Engineer

Position Purpose: Guides successful completion of major engineering programs, or conceives research in areas of considerable scope and complexity supporting the development and production of Gulfstream products and services. Gulfstream Aerospace Corporation, a wholly-owned subsidiary of General Dynamics (NYSE: GD), designs, develops, manufactures, markets, services and supports the world's most technologically-advanced business jet aircraft.

Gulfstream Aerospace Corporation

Stress Liaison Service Engineer CS SVC Tech Spec II St. Louis (CPS)

We do this by combining our deep customer insights, world-class engineering, materials science expertise, and intelligent automation to deliver innovative end-to-end solutions incorporating our signature technologies. Design & Engineering: Create and modify detailed part drawings and 3-D models using CAD systems to meet customer specifications and manufacturing ease.

The Weir Group PLC

Design Engineer

Must possess a valid driver's license for a minimum of 12 months, with no major or frequent traffic violations included, but not limited to: DUI, Hit & Run, License Suspension, Reckless/Careless Driving or multiple smaller infractions or preventable collisions in the previous 3 years. Qualifications: Bachelor's degree in engineering, engineering technology, or equivalent from four-year college or university preferred, or equivalent combination of education and experience.

Mechanical Engineer Jobs in St. Louis, MO

Project Engineer Ensign-Bickford Industries

Aerospace Manufacturing Engineer Sonaca

Product Engineer-Energetics Critical Fit Recruiting

Structural Engineer Intern - Summer 2027 Salas O'Brien

Static Equipment Engineer Airgas Inc

Field Service Engineer I (Analytical Instrumentation) Various Locations Thermo Fisher Scientific Inc

Controls Applications Engineer ControlsJobs

Reliability Engineer Precoat Metals

Senior Process Engineer - Liquid Systems CRB Group, Inc.

Onsite Construction Manager / Engineer Brown and Caldwell Inc

Process Engineer Pretium Packaging

Principal Engineer The H-J Family of Companies

Electrical Engineer Intern - Summer 2027 The H-J Family of Companies

Controls Engineer Bastian Solutions, LLC

Stress Liaison Service Engineer CS SVC Tech Spec II St. Louis (CPS) Gulfstream Aerospace Corporation

Project Engineer Ensign-Bickford Industries

Process Engineer Pretium Packaging

Design Engineer The Weir Group PLC

Aerospace Manufacturing Engineer Sonaca

Digital Services Application Engineer Trane Technologies Plc

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