24 senior quality engineer jobs found in St. Louis

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...

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...

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...

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...

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...

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...

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...

Build your career while making a meaningful impact within a collaborative, employee-owned engineering firm. Oates Associates is a 100% employee-owned civil and structural engineering firm focused on enhancing our community. We combine strong client relationships with technical expertise to turn concepts into reality. Oates Associates offers a work environment that encourages and supports you during your career development journey. To accommodate our continued growth, we are seeking a Senior Engineer with a focus in Building Structural to work on new building and renovation projects. This position is ideal for a structural engineer who enjoys contributing technical expertise and supporting the development of fellow engineers while delivering high-quality structural designs. Responsibilities will center on structural design and analysis for new building and renovation projects, as well as providing guidance, technical review, and mentorship to junior staff to support high-quality...

Senior Structural Substation Engineer Location: Dallas, TX / Houston, TX / St. Louis, MO / Raleigh, NC / Remote Employment Type: Full-Time About UtilliCo At UtilliCo, we are a dynamic Engineering and Project management company that provide comprehensive solutions for the Power Industry. We empower innovation and deliver exceptional results for our clients with our expertise and commitment to excellence. We are passionate about engineering excellence, innovation, and making a positive impact. Partner with us and experience the UtilliCo advantage in delivering outstanding projects that power the future! As a leading company in the industry, UtilliCo is dedicated to meeting the unique and evolving needs of the power utilities sector. Our team of highly skilled professionals brings a wealth of knowledge and experience to every project, ensuring the highest level of quality, efficiency, and safety. About the Role We are seeking a Licensed (PE) Senior Structural Substation...

If you think your skills, experience and aspirations make you a good match for this position, we encourage you to apply. ABOUT THE ROLE You will be a member of our multi-disciplinary team and will work under the direction of a senior engineer. Projects may include new construction and renovation in educational, healthcare, sports, corporate commercial and science and technology. HERE'S WHAT YOU'LL DO Participate in project teamwork planning sessions and may take a lead role. May assume project engineering responsibilities and adhere to financial and work goals. Initiate project designs and help to develop design goals and systems. Perform electrical engineering systems design for building construction. Design lighting, power distribution, signaling, communications and/or telecommunication systems for healthcare, education/higher education and commercial clients per applicable codes. Prepare construction documents including drawings and specifications. Guide less...

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world? We believe electricity powers modern life. As part of our Power sector, you'll help shape how electricity is generated, transmitted and delivered as global energy demands grow. From massive data centers to modernizing transmission systems, our industry-recognized engineers and scientists have been at the forefront of grid transformation for more than a century. You'll work side-by-side with these experts and contribute to reliable, resilient and sustainable power systems, helping communities thrive and industries expand. This isn't just a job, it's a chance to drive infrastructure forward, power innovation and...

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world? Watch Our Story:' https://www.hdrinc.com/our-story' Each and every role throughout our organization makes a difference in our ability to change the world for the better. Read further to learn how you could help make great things possible not only in your community, but around the world. We believe electricity powers modern life. As part of our Power sector, you'll help shape how electricity is generated, transmitted and delivered as global energy demands grow. From massive data centers to modernizing transmission systems, our industry-recognized engineers and scientists have been at the forefront of grid...

Overview Are you looking to take the next step in your career? Do you want to be part of an organization that is invested in your development and will equip you with the tools and resources to succeed? Do you have a desire to lead and advance a team of your own? Haskell is seeking a Senior Structural Engineer in St. Louis for our team focused on industrial projects, consumer goods, and private-sector client facilities design. The goal is for this Senior Structural Engineer to integrate into Haskell with the intention of becoming the next Lead Structural Engineer in our St. Louis office. This role is ideal for a licensed engineer who enjoys technical leadership, team development, and client-facing project execution. This individual will collaborate with other engineering disciplines and construction teams within Haskell, driven by the same values of team, excellence, service, and trust. Haskell is a leader in the Food & Beverage market - ranked as the #1 Contractor and #8...

Description David Mason + Associates has provided high quality Civil Engineering services since 1989. Our team of professionals prepare design plans for new construction and renovation projects in education, healthcare & utility market sectors, among others. With a long history of working relationships within the St. Louis region, we've also had the opportunity to work on iconic projects such as Busch Stadium, the Gateway Arch, the St. Louis Zoo, City Park - the new MLS Stadium and more! Our St. Louis Civil team is looking for an entry-level Civil Staff Engineer who is ready to jump in and support the team. Our ideal candidate holds a bachelor's degree, has 1+ years of Civil Engineering experience, including internships & has successfully passed the FE exam. Why work with David Mason + Associates? Every-other Friday OFF Hybrid schedule & flexibility 70% employer paid Health benefits "Family-first" company culture Minority-Owned Business Enterprise Plus,...

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 an Electrical Project Engineer - Energy & Utilities in the posting location below. In this role, you will lead day-to-day production and coordination for electrical design on industrial, oil & gas, advanced manufacturing, renewable energy, and other technically complex Energy & Utilities projects. Posting Location: St. Louis What You'll Do: Assume multi-project responsibility for electrical design, including power distribution, controls, renewable energy systems, and medium-voltage system design. Lead electrical design tasks from preliminary schematics through final design documents, including calculations, equipment sizing, layout development, and specification preparation. Perform code research, evaluate existing conditions through fieldwork, and incorporate findings into practical design solutions. Prepare accurate electrical construction drawings and specifications in coordination with other production staff and...

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...

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,...

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...