41 mechanical engineer jobs found in St. Louis, MO

The Korte Company is seeking a Mechanical Engineer to join our team in St. Louis, MO or Highland, IL. This position is responsible for supporting the design and coordination of mechanical, electrical, and plumbing systems for commercial and government design-build projects. This is an excellent opportunity for an experienced mechanical professional looking to grow into a future Mechanical Design Manager role within a collaborative, nationwide design-build firm. ESSENTIAL FUNCTIONS Lead the design and coordination of mechanical systems for commercial and government construction projects from concept through construction. Develop mechanical, electrical, plumbing, and telecommunications designs for commercial construction projects. Prepare construction documents using Revit, Bluebeam, and other required design software. Coordinate mechanical and plumbing systems with architectural and structural disciplines to ensure cohesive project delivery. Perform engineering calculations,...

About Us Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations. 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. About LJC LJC Design & Engineering is a full-service architecture, engineering, and design firm committed to enhancing the quality of the human experience through integrated design. We are a team of high-energy professionals who share a passion for design, a collaborative approach, and a casual culture. We solve challenges by leveraging the collective expertise and ingenuity of the best and brightest...

Mechanical Engineer Job Description Job Information Job Title Mechanical Engineer Reports To Director of Engineering Location St. Louis, MO Number of Direct Reports 0 About Murphy Company Since 1907, Murphy Company has been a leading mechanical contractor in the St. Louis and Denver markets that provides its professionals the environment, opportunities, technology, and tools to experience a rewarding career. Being a company that prides itself on its core values of employee well-being, enduring relationships, and integrity and professionalism, we know it starts with our employees. We strongly believe our people are our most important asset, and we strive every day to make Murphy a great place to work as we build our clients' visions. We Are Looking For Someone Like You Murphy Company is currently seeking a Mechanical Engineer or Designer to work in a Design-Build and Design-Assist environment in the St. Louis, MO office. This group consists of...

Bausch + Lomb (NYSE/TSX: BLCO) is a leading global eye health company dedicated to protecting and enhancing the gift of sight for millions of people around the world-from the moment of birth through every phase of life. Our mission is simple, yet powerful: helping you see better, to live better. Our comprehensive portfolio of over 400 products is fully integrated and built to serve our customers across the full spectrum of their eye health needs throughout their lives. Our iconic brand is built on the deep trust and loyalty of our customers established over our 170-year history. We have a significant global research, development, manufacturing and commercial footprint of approximately 13,000 employees and a presence in approximately 100 countries, extending our reach to billions of potential customers across the globe. We have long been associated with many of the most significant advances in eye health, and we believe we are well positioned to continue leading the advancement of...

Make an impact by joining ServiceSource, a champion for people with disabilities. Explore new opportunities! ServiceSource is an organization of talented people who drive innovation, embrace change, and strengthen communities. Job Summary This position is responsible to provide facility engineering, project management, construction and renovation services and support of daily facility operations, space renovations, and repair projects. This shall include, but is not limited to energy management, decommissioning, Building Automation System (BAS) administration and operation, Computer Aided Design & Drafting (CADD), and Building Information Modeling/Management (BIM) efforts in support of daily facility operations, maintenance technical support, and project development as well as project management and execution services Primary Duties Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. These duties and...

Essex Industries is a multi-site aerospace and defense manufacturer serving military and commercial customers worldwide. We are seeking a Lean Manufacturing Specialist to support production operations through the application of Lean manufacturing principles and continuous improvement initiatives. This role is responsible for driving process improvements, eliminating waste, and supporting Essex's key priorities of Safety, Quality, Delivery, and Cost. The Lean Manufacturing Specialist will also assist in developing and implementing best-in-class Continuous Improvement (CI) strategies to enhance operational performance across the organization. Essential Duties: Utilizes lean principles to improve the operations and processes of a manufacturing organization. Analyzes production workflows, workspace design, and resource utilization to identify inefficiencies, bottlenecks, or waste. Coordinates A3 & Kaizen events with production, quality and manufacturing engineering. Coach...

Summary : The Project Engineer is responsible for leading and executing engineering projects that support manufacturing operations, facility improvements, and new product initiatives. This role combines hands-on design and CAD work with full lifecycle capital project execution-from concept development and justification through installation, commissioning, and handover to operations. The Project Engineer works closely with cross-functional teams including Safety, Operations, Maintenance, Quality and Finance to ensure projects meet performance, cost, and schedule targets. Essential Duties and Responsibilities: Lead engineering projects from initial concept through implementation, ensuring alignment with business objectives, plant priorities, and safety standards. Perform mechanical and/or equipment design work using CAD tools (SolidWorks, AutoCAD, or equivalent) to create layouts, part models, assemblies, and technical drawings. Develop project scopes, cost estimates,...

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. This role combines advanced plumbing design responsibility with project coordination, client communication, and mentoring of junior staff. Posting Locations: Normal- IL, Peoria- IL, Springfield- IL, Lisle- IL Dallas-TX, St. Louis- MO, Colorado Springs-CO, Denver- CO, Phoenix- AZ What You'll Do: Lead plumbing system design for commercial, institutional, healthcare, and other building projects from concept through construction administration. Develop calculations, specifications, drawings, and details for domestic water, sanitary waste and vent, storm drainage, and specialty plumbing systems. Coordinate plumbing design with architectural, structural, mechanical, electrical, and fire protection disciplines to support integrated project delivery. Serve as a technical resource for...

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. With a focus on safety, innovation, and sustainability, Roeslein delivers turnkey project execution from concept to commissioning. Our team is driven by a commitment to quality and client success, operating across North America, South America, Europe, and Asia. Why Join Roeslein? At Roeslein, you're not just taking a job - you're becoming an employee owner. As part of a 100% ESOP organization, you share the success you help create while building a long-term career with a company that invests in its people. A Values Driven, People-First Culture We live by a simple but powerful ethos: Remain Humble. Stay Hungry. Be Happy. That means: Working hard and continuously improving Treating people with respect and integrity Prioritizing safety and quality in...

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. With a focus on safety, innovation, and sustainability, Roeslein delivers turnkey project execution from concept to commissioning. Our team is driven by a commitment to quality and client success, operating across North America, South America, Europe, and Asia. Why Join Roeslein? At Roeslein, you're not just taking a job - you're becoming an employee owner. As part of a 100% ESOP organization, you share the success you help create while building a long-term career with a company that invests in its people. A Values Driven, People-First Culture We live by a simple but powerful ethos: Remain Humble. Stay Hungry. Be Happy. That means: Working hard and continuously improving Treating people with respect and integrity Prioritizing safety and quality in...

Introduction: Join our dedicated team as a Sr. Project Engineer, where you will contribute to critical infrastructure projects that support safe, reliable energy delivery. ENTRUST Solutions Group is an industry leader in engineering, consulting, and automation services, recognized as an ENR Top 100 firm. In this role, you will be at the forefront of designing and delivering natural gas distribution and transmission solutions, ensuring projects meet the highest standards of quality, safety, and regulatory compliance. Responsibilities: In this role, you will support the design and execution of natural gas infrastructure projects, including gas distribution and transmission systems, meter and gate stations, and high-pressure pipelines. You will work closely with Project Managers and senior technical leaders to advance engineering designs, identify opportunities for process improvement, and deliver high-quality results. You will assist with proposal development, estimating...

Job Type Full-time Description Engineering excellence, built on people-first values. At LUZCO, we're more than an engineering firm - we're a familia. We pair technical excellence with a culture rooted in respect, flexibility, and genuine care for one another. Here, you're known by name, supported as a whole person, and encouraged to bring your authentic self to work with competitive benefits, and the flexibility to support life both inside and outside of work. We're proud to be a 2025 and 2026 Best Place to Work in St. Louis and a woman-owned, minority-owned boutique firm, delivering impactful engineering solutions in a workplace where people feel valued and empowered to grow. Why You'll Love LUZCO Benefits that take care of you: Top-notch medical, dental, and vision insurance; a competitive 401k match; generous PTO; student loan repayment assistance; and an employee recognition platform that celebrates your wins big and small. Flexibility that fits your life: We...

Birch Creek Energy, a utility-scale solar development company with projects throughout the United States, is seeking an experienced Electrical Project Engineer who thrives in our team-oriented culture and shares our mission to create a future with more renewable energy. Birch Creek was ranked #3 on Inc. 5000's list of Fastest Growing Companies in 2023. Our headquarters is in St. Louis, with an additional office location in Los Angeles. The ability to work from our STL or LA office is a plus factor, but remote-work candidates are also welcomed. Job Overview: Reporting to the Sr Director of Execution Engineering, the Electrical Project Engineer is responsible for managing engineering from late-stage development through completion of construction. This position is an integral part of executing Birch Creek Energy's 13 GW of solar and battery storage project pipeline in multiple states throughout the U.S. Through design review and construction support, the Electrical Project...

Company Overview: Since 1908, our heavy civil and marine contracting company has been developing and improving transportation and commerce along U.S. waterways and infrastructure. For five generations, Massman has been an integral part of our nation's vibrancy and strength through private and public infrastructure investment, as well as an industry leader in markets nationwide. With over 1,700 completed projects, Massman teams have constructed many of our nation's most impressive bridges; complex lock, dam, and flood control structures; and efficient ship barge loading facilities. Our mission is simply to be the best. To achieve it, we foster innovative solutions, leverage advanced technology, provide leadership in each phase of development, and communicate with every stakeholder - all the while honoring schedules and meeting budgets. Position Overview: The Mid-Career Engineer is responsible for all routine on-site project administration, scheduling, and engineering for complex...

As an Electrical - Project Engineer, you will provide design and maintenance support for equipment, facilities, and manufacturing processes for all Paulo facilities. This includes the ongoing evaluation and upgrading of existing equipment and facilities as well as the design and development of new equipment to meet Company and customer needs. Key Responsibilities Troubleshoot and resolve daily equipment-related issues to ensure continuous and efficient operation. Evaluate equipment and processes to define requirements, taking into account functionality, reliability, maintainability, cost-effectiveness, and safety standards. Design and develop new systems and equipment, including control panels, PLC programming, SCADA, HMI, and historical data collection. Oversee all phases of fabrication and installation of these controls systems. Plan and manage engineering projects and ongoing initiatives, including equipment specification, procurement, regulatory compliance, and...

Job Type Full-time Description Join a Mission-Driven, Growing Team Project Engineer Location: St. Louis, MO or Collinsville, IL Department: Transmission Line Design Employment Type: Full-time Reports To: T-Line Department Manager About BHMG BHMG is leader in utility-focused engineering and consulting, serving electric companies, municipalities and organizations with large energy needs. For over 50 years, we've been the trusted partner organizations rely on to solve complex challenges and reimagine what's possible. At BHMG, you're not just doing a job-you're building a meaningful career with a company that lives its mission every day: Build Trust. Provide Solutions. Enjoy Freedom. We empower our team, encourage ownership and innovation, and create an environment where you can enjoy your work, do your best, and make a meaningful impact for our clients. Position Summary We are seeking a licensed Transmission Line Project Engineer to serve as a...

The Tool & Die Engineer is responsible for the design, development, maintenance, and continuous improvement of tooling, fixtures, dies, gauges, and manufacturing support equipment used in the production of nuclear power generation components. This position supports manufacturing operations by developing robust tooling solutions that ensure product quality, process repeatability, safety, and regulatory compliance. The Tool & Die Engineer works closely with Engineering, Quality, Manufacturing, and Operations teams to support production, resolve technical issues, and improve manufacturing performance in a highly regulated environment. Essential Responsibilities and Basic Duties Tooling & Fixture Design Design tooling, fixtures, dies, jigs, gauges, and manufacturing aids. Create and maintain engineering drawings, CAD models, and technical documentation. Support tooling implementation, validation, and continuous improvement activities. Evaluate tooling performance...

Our Work Matters At Kindeva we make products that save lives, ensuring better health and well-being for patients around the world. The Impact You Will Make This is an exciting opportunity as a Process Engineer that will serve as a technical leader and subject matter expert (SME) that is responsible for the design, implementation, optimization, troubleshooting, and lifecycle management of aseptic manufacturing processes and equipment used in the production of sterile pharmaceutical and/or biopharmaceutical products. This role provides strategic engineering support to ensure reliable, compliant, and high-performance aseptic manufacturing processes for injectable drug products (vials, syringes, cartridges, etc.). The engineer drives process optimization, contamination control, equipment lifecycle management, and continuous improvement while maintaining full compliance with cGMP , FDA , EMA , ISO , and other regulatory requirements. Key Responsibilities Act as the...

Design & Product Engineer II Department: Engineering Employment Type: Full Time Location: St. Louis Description Responsible for participating in the product development process, including interface with internal departments, our customers and our vendors in all facets of the process; supporting new product design and product changes on new and existing air compressor models; providing technical support to the production area during the launching of a new product, as well as resolving quality issues with mature products or in the resolution of production problems affecting the structural integrity and/or quality of existing products. Please note that this position is based in St. Louis, Missouri. Applicants who are not currently located in the area or are unwilling to relocate will not be considered. Key Responsibilities • Execute all aspects of discrete product development projects through all facets of the project development cycle • Lead design reviews •...

Crawford, Murphy & Tilly is seeking a Roadway Civil Engineer III in our St. Louis office to support transportation projects that improve safety, mobility, and connectivity throughout the communities we serve. This role is ideal for an engineer seeking expanded technical responsibility, exposure to a wide variety of transportation and development projects and continued professional growth within a collaborative Surface Transportation practice. We are a fast-growing firm with 500+ employees across 25 offices in 10 states serving clients through our four primary business groups: Aviation Surface Transportation Water Resources Building & Site Services CMT provides planning, environmental, design, utility, and construction observation phase services on projects in all four of these groups and more, which range from simple to complex. As a Roadway Engineer III , you'll collaborate with engineers, planners, environmental scientists, technicians, clients, and...