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This company self-performs HVAC, plumbing, and process piping work across a wide range of commercial and industrial projects, including hospitals, schools, office, retail, data centers, manufacturing plants, and multifamily. 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

Mechanical Project Manager (HVAC/Plumbing)

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GROWTH OPPORTUNITIES This role is part of the Electrical Management Career Path, and team members benefit from a structured Professional Development Plan (PDP) designed to support career growth. This is an excellent opportunity for an experienced mechanical professional looking to grow into a future Electrical Design Manager role within a collaborative, nationwide design-build firm.

The Korte Co

Electrical Engineer

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A regionally recognized mechanical construction and facilities services firm is seeking an experienced Senior Mechanical Project Manager to lead large-scale commercial and industrial projects while serving as a key contributor to the organization's long-term growth and operational success. This is an opportunity to join a stable, highly respected mechanical contractor where senior project managers are empowered to lead, influence company growth, and build long-term careers within a people-focused organization.

Senior Mechanical Project Manager

Project Scheduler, Construction Scheduler, Primavera P6 Scheduler, Project Controls Scheduler, Project Controls Specialist, Scheduling Engineer, Project Controls Analyst, Project Coordinator, Assistant Project Manager, Project Engineer. This role sits at the center of project execution—working closely with project managers, field teams, and leadership to build, maintain, and optimize schedules that drive successful delivery.

Construction Project Scheduler - Mechanical Construction

Experience must include direct involvement with industrial mechanical equipment such as rotating equipment, conveyors, pumps, compressors, valves, fans, gearboxes, piping systems, hydraulic systems, pneumatic systems, or similar plant equipment. Responsibilities: Essential duties and responsibilities include, but are not limited to the following: Perform mechanical maintenance work on power plant and auxiliary equipment, including inspection, troubleshooting, repair, replacement, adjustment, testing, and return-to-service support.

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Prairie State Energy Campus

Mechanical Maintenance Technician - Power Plant

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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. Our client, a prominent firm in the commercial mechanical construction industry, is seeking a skilled Project Scheduler to join their dynamic team.

Project Scheduler-Mechanical

Related titles may include: Construction Scheduler, Project Controls Specialist, Project Controls Engineer, Planning & Scheduling Engineer, Scheduler, Senior Scheduler, Construction Planner, Project Planner, Scheduling Engineer, or Project Controls Coordinator. This role will work closely with project managers, superintendents, preconstruction, and field teams to develop and maintain schedules for complex commercial and industrial construction projects.

Project Scheduler - Mechanical Construction

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. This position is ideal for a motivated professional with experience estimating commercial HVAC projects who is looking for long-term career growth and the opportunity to work on a variety of challenging projects.

Mechanical Estimator- HVAC

To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Mach Industries is searching for an experienced Cycle Analyst/Designer to guide the engine cycle model towards further maturity, validate test data and develop new engine cycles from a clean sheet.

Mach Industries

Performance Engineer

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WSP USA is providing the compensation range that the company in good faith believes it might pay and/or offer for this position within the state of Colorado, based on the successful applicant's education, experience, knowledge, skills, and abilities in addition to internal equity and specific geographic location. This opportunity is ideal for an experienced electrical engineer with a strong background in building systems design who is looking to take on greater technical leadership responsibilities while contributing to a diverse portfolio of projects.

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Senior Electrical Engineer - Buildings

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Air Products Membrane Solutions is seeking a Mechanical Engineer - Product Design & Development who thrives in a hands-on environment, enjoys transforming ideas into real-world solutions, and is eager to contribute to the development of cutting-edge membrane technologies. When we come together - where every voice is heard and everyone knows they belong and matter - we create solutions that launch people into space, support lifesaving care in hospitals, and enable the construction of groundbreaking, world scale production facilities.

Air Products and Chemicals Inc

Product Design Engineer

You are: The Robotics Automation Engineer understands the broader Physical AI lifecycle, including digital twins, simulation, robot training, intelligent orchestration, industrial data and managed operations, while specializing in the design, programming, integration, commissioning and support of robotic automation. We bring together the talent of our approximately 799,000 people with proprietary assets and platforms, deep process and industry expertise, and leading ecosystem relationships to deliver end-to-end solutions and measurable outcomes at scale.

Accenture Plc

Robotics Automation Engineer / Senior Engineer

In this role, you will be responsible for delivering mission-critical avionics and electronic systems for Low Earth Orbit (LEO) science and defence missions as well as verification and validation of the platforms and payloads electronics used in BAE Systems spaceflight missions and operations. You will be comfortable working within a fast-paced environment and can present a professional face to clients, suppliers and partners, working as part of a multidisciplinary team to deliver projects to a variety of customers including institutional, academic and commercial organisations.

BAE Systems Plc

Electronics Engineer

Wit $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. Design and specify advanced fire protection systems, including fire suppression (e.g., clean agent systems, pre-action sprinkler systems), fire alarm systems, smoke detection, and emergency life safety systems tailored to mission-critical environments.

Clayco

Senior Fire Protection Engineer

Crelate

Join Olsson's Industrial team as a Process Engineer and help deliver innovative solutions for clients across the agricultural processing, ethanol, food and beverage, renewable fuels, manufacturing, chemical, and industrial markets. Comprehension of core chemical engineering principles, including transport phenomena and unit operations, thermodynamics and equations of state, mass transfer, chemical kinetics, and continuous and batch reactor design.

Olsson

Process Engineer - Industrial Market

GreenHouseAPI

For 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. Farnsworth Group is seeking a Plumbing Project Engineer to serve as a technical lead and project driver for plumbing design assignments across a range of building systems projects.

Farnsworth Group Inc

Plumbing Project Engineer

Cross-Discipline Collaboration - Work alongside designers and engineers from other disciplines, plus project management teams, to keep designs moving toward the field. You'll design overhead and underground transmission systems for major developer and utility clients - real projects, real construction dates, real impact on how power moves across the country.

SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.

We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.

Leidos Holdings Inc

EPC Transmission Line Engineer

Johnson Controls, a global leader in thermal management, mission-critical building systems, energy efficiency, and decarbonization, helps customers use energy more productively, reduce carbon emissions, and operate with the precision and resilience required in rapidly expanding industries such as data centers, healthcare, pharmaceuticals, advanced manufacturing, and higher education. The Consulting Engineer Account Executive (CEAE) is a front-line seller responsible for driving growth within an assigned territory by developing early design-phase relationships with Consulting Engineering and MEP firms.

Johnson Controls International Plc

Consulting Engineer Account Executive

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Engineer & Design leading company supporting major grid mod projectsGrowth path to leadership and management roles; flexible schedule Qualifications. The company values expertise and precision in delivering high-quality results for its clients and a collaborative work culture offering a direct path to leadership roles.

Michael Page is one of the world's leading professional recruitment consultancies, specializing in the placement of candidates in permanent, contract, temporary and interim positions with clients around the world.
The Group has operations in the Americas, UK, Continental Europe, Asia-Pacific and Africa. 
In the US, we focus on the areas of:
<ul>
<li>Advisory</li>
<li>Banking and Financial Services</li>
<li>Finance and Accounting</li>
<li>Engineering and Manufacturing</li>
<li>Healthcare & Life Sciences</li>
<li>Human Resources</li> 
<li>Information Technology</li>
<li>Legal</li>
<li>Marketing</li>
<li>Page Personnel Office Support</li>
<li>Oil and Gas</li> 
<li>Procurement and Supply Chain</li>
<li>Real Estate and Construction</li>
<li>Sales</li>
</ul>

Michael Page

Project Substation Engineer

We're looking for a Design Engineer-Fluid Dynamics to apply engineering principles to improve manufacturing efficiency, quality, and safety while supporting the production of critical defense components including electric and stab detonators, CAD/PAD systems, and other energetic assemblies. Bachelor's degree in Manufacturing Engineering, Mechanical Engineering, Industrial Engineering, Chemical Engineering, or related technical field.

Mechanical Engineer Jobs in St. Louis, MO

Mechanical Project Manager (HVAC/Plumbing) Gpac

Electrical Engineer The Korte Co

Senior Mechanical Project Manager Gpac

Construction Project Scheduler - Mechanical Construction Gpac

Mechanical Maintenance Technician - Power Plant Prairie State Energy Campus

Project Scheduler-Mechanical Gpac

Project Scheduler - Mechanical Construction Gpac

Mechanical Estimator- HVAC Gpac

Performance Engineer Mach Industries

Senior Electrical Engineer - Buildings WSP

Product Design Engineer Air Products and Chemicals Inc

Robotics Automation Engineer / Senior Engineer Accenture Plc

Electronics Engineer BAE Systems Plc

Senior Fire Protection Engineer Clayco

Process Engineer - Industrial Market Olsson

Plumbing Project Engineer Farnsworth Group Inc

EPC Transmission Line Engineer Leidos Holdings Inc

Consulting Engineer Account Executive Johnson Controls International Plc

Project Substation Engineer Michael Page

Design Engineer-Fluid Dynamics Critical Fit Recruiting

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