18 engineering assistant jobs found in St. Louis

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...

Crawford, Murphy & Tilly is seeking a Civil Engineer to join our Water Resources group in the St. Louis, MO office. This is not a remote position. 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, and construction observation phase services on projects in all four of these groups and more, which range from simple to complex. As a Water Resource Civil Engineer , you'll play a key role in working with senior staff, to support a wide range of municipal infrastructure projects, working closely with experienced engineers on planning, design, permitting, and construction-phase services. What you will do: Support water, wastewater, and stormwater municipal infrastructure projects from planning through construction Projects may include water supply and...

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...

Weaver Consultants Group is growing and seeking highly motivated professionals. From design to engineering and permitting assistance, no other privately-held engineering firm offers a more comprehensive range of services to the Solid Waste industry than our diverse team. Whether you're a student, early career professional, or seasoned leader, Weaver Consultants Group provides a place where you can flourish throughout the many stages of your career. We invest in our employees' personal and professional development, empowering them to learn, grow, and reach their maximum potential. The ideal candidate will have professional experience in engineering design for the solid waste industry including strong competencies in landfill design, compliance, and construction documentation. Experience in project management, engineering modeling, permitting, AutoCAD, surface water design, and construction document preparation is preferred. The position will be a technical resource to other Weaver...

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...

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...

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...

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...

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...

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...

Build your career while making an impact within your community. 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 project manager with a focus on building structural engineering to work on new building and renovation projects. This position is ideal for a structural engineer that enjoys working with clients on building expansions, repairs, renovations, and stand-alone buildings ranging from $10k to $20M. Qualifications Bachelor's degree in civil engineering or architectural engineering - master's degree is a plus PE license - SE license is a plus 5+ years of engineering experience Experience with structural steel, reinforced concrete, and/or masonry...

Build your career while making an impact within your community. 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 project manager with a focus on building structural engineering to work on new building and renovation projects. This position is ideal for a structural engineer that enjoys working with clients on building expansions, repairs, renovations, and stand-alone buildings ranging from $10k to $20M. The selected candidate will also mentor junior staff, review their work for quality and accuracy, and support their ongoing technical growth. Qualifications Bachelor's degree in civil engineering or architectural engineering - master's degree is a plus...

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...

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...

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...

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...