16 senior staff engineer jobs found in St. Louis

Senior Mechanical Engineer Job Description Job Information Job Title Senior 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 Senior Mechanical Engineer or Designer to work in a Design-Build and Design-Assist environment in the St. Louis, MO office. This...

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 industrial, commercial, institutional, and residential related building projects. About LJC LJC Design & Engineering (LJC) 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 minds across development, design, engineering, and construction. The Role We...

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...

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...

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...

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...

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,...

For over 50 years, Byrne & Jones has been a trusted leader in sports, parks, and civil site development. We're known for delivering high-quality, buildable projects and for building long-term relationships with our clients and communities. You'll join a collaborative, experienced team where your expertise is valued, your growth is supported, and your work makes a visible impact in our communities. Byrne & Jones is looking for a Project Manager, Engineer to lead civil design efforts for sports, parks, and site development projects. This role combines hands-on engineering, design review, and leadership while working closely with clients, agencies, and internal teams. What You'll Do: Lead, design, and review civil designs (grading, drainage, stormwater, turf-base systems) Collaborate with estimating, project management, and sales teams, attending client hand-off meetings and providing ongoing project support Provide QA/QC for work produced by Civil Designers and Project...

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...

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. 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 serve humanity. Job Summary The Facility Electrical Engineer III Project Manager will be subject matter expert for all aspects of electrical engineering at the site. Creates small capital improvement, repair contracts, and building models using AutoCAD and Revit. Assists operations with electrical equipment and distribution systems trouble-shooting and recommendations. The role is also instrumental for campus facilities and data center project engineering and project management. Primary Duties Reasonable accommodations may be made to enable...

Job Type Full-time Description 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. 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. 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. About the Role Designed for an early career individual, the Distribution Line Engineer role offers the opportunity to develop specialized expertise in overhead and underground distribution line design, project coordination, and early mentorship responsibilities. This position is an on-site or hybrid position...

Job Type Full-time Description 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. 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. 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. About the Role Designed for an early career individual, the Transmission Line Engineer role offers the opportunity to develop specialized expertise in transmission line design, project coordination, and early mentorship responsibilities. This position combines hands-on design work with growing accountability for quality,...

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...

Project Engineer Environmental Restoration LLC is a provider of cost-effective hazardous wastes material management and removal services. Our services include Emergency Response, Site Remediation, Environmental Construction, and Specialty Technical Services. Since 1997, we have been a remediation contractor for federal, state, local agencies and private sector clients, providing services nationwide from our St. Louis corporate headquarters and from our 22 regional offices located across the United States. Responsibilities: Responsible for overall management of implementing design and specifications, on assigned projects to include subcontractor and supplier work and products. The Project Engineer will be responsible for ensuring earthwork, geosynthetic materials, piping and apparatuses, and other engineered controls are installed per project drawings and client specifications. The Project Engineer with assist site Superintendents by managing field staff and subcontractors...

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...

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...