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48 energy materials jobs found in St. Louis, MO

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GF
Apr 23, 2026
Full time
Sr. Substation Engineer
$107,000 - $165,000 yearly
Gannett Fleming, Inc. St. Louis, MO
GFT is seeking experienced Mid to Senior Substation Engineers (Electrical Engineers) to join our expanding Power Group. As a substation engineer, you will lead or support utility and power substation projects and clients. This role is a hybrid in our St. Louis, MO, Chicago,IL, Marlton,NJ, Pittsburgh, PA, Phoenix, AZ, Roanoke, VA or Charlotte, NC. or FULLY Remote for the right person. Joining the power team at GFT means engaging in cutting-edge projects that drive the future of energy infrastructure. Our team excels in providing solutions for power transmission, distribution, and renewable energy, utilizing advanced technologies and creative problem-solving to meet today's diverse energy needs. Be part of a dynamic group dedicated to enhancing system reliability, sustainability, and efficiency while shaping the energy landscape for a resilient and sustainable future. Discover some of our signature power and energy projects here. What you'll be challenged to do: As...
KI
Feb 08, 2026
Full time
Mechanical Design Engineer - Hydronics & Process Piping
Kelso Industries St. Louis, MO
Together We Build - Partnership, Innovation, Excellence, and Safety At Kelso Industries, 3,500+ employees across 30 companies work together to deliver exceptional HVAC, mechanical, plumbing, refrigeration, and electrical solutions nationwide. Join us to grow your career, make an impact, and be part of a team where innovation, excellence, and safety come first. Recruiter Notice: We respectfully ask external recruiters and staffing agencies not to submit candidates. We only accept direct applications. Mechanical Design Engineer - Hydronics & Process Piping About NDBS National Design Build Services is a mechanical design/build firm that offers our customers knowledge and experience in designing air conditioning, heating, ventilation, and refrigeration systems (HVAC/R) in commercial and industrial buildings. Our projects consist of Healthcare, Food Processing, Manufacturing, Warehouses, Office Buildings and Refrigerated Warehouses. NDBS offers an impressive benefits and...
DA
Jan 26, 2026
Intern
Engineering Design Intern
$17.00 hourly
DAP Fenton, MO
Job Description DAP is looking to hire Engineering Design Intern for Summer 2026. Responsibilities: The summer intern would work under mentorship of Sr. Design Engineer. The intern will work on Participate in assembly, testing, and evaluation of engineering prototypes. Conduct upfront engineering system research for new to market products. Utilize Solidworks CAD program to generate and update engineering documentation. Pay $17 / hour. Requirements Major: Mechanical Engineering Freshman, Sophomore or Junior. Able to use Excel, Word and MS Project to complete assigned tasks. A working familiarity with Solidworks is preferrable. Candidate should have excellent communication skills since they will be interfacing with team members in Baltimore and in Fenton. Good time management skills. Attention to details, inquisitive, good notes taker, desire to learn and grow. About DAP DAP is a market leading manufacturer, innovator and marketer of home...
CN
Feb 27, 2026
Full time
Associate Engineer
Colorado Natural Gas, Inc. Wildwood, MO
Join our Growing Team and see why Summit Utilities, Inc was named as one of the Fastest Growing Denver Area Private Companies 2019 and 2020; Best Places to Work in Maine 2019, 2020, 2021, 2022 and 2023; and Best Places to Work in Arkansas 2020 and 2023, Oklahoma 2022 and 2023 and Missouri 2023. Summit was also recently named one of Forbes 2023 America's Best Small Employers. Summit is a growing natural gas utility providing safe, reliable, and clean burning natural gas service to homes and businesses in Arkansas, Colorado, Maine, Missouri, Oklahoma, and Texas. Being part of the Summit team means embracing excellence and innovation, committing to safety each and every day, and doing all that we can to serve each other, our customers, and the communities where we live. We aim to bring warmth and energy to everything we do. We have an exciting opportunity for an Associate Engineer based in Lebanon, Branson, Camdenton, or Mountain Grove. POSITION SUMMARY The Associate Engineer...
MT
Apr 11, 2026
Full time
Process Engineer - Home Office
Matheson Tri-Gas, Inc. Remote (Decatur, IL)
Process Engineer We are seeking a dynamic and experienced Process Engineer to join our fast-paced engineering team. Safety is our number one goal. This requires that you demonstrate leadership in personal safety and enforce the safety first concept. This is a permanent position where the successful candidate will be responsible for overseeing the installation, operation, training and maintenance of LCO2 refinery equipment. The role requires a deep understanding of heat transfer, fluid flow and chemical exchange associated within the refinery process. Additionally, strong knowledge of liquid CO2 purification and NH3 refrigeration are key to success in this role. Essential Function 1. Prepare and review of various deliverables such as process flow diagrams, P&IDs, process data sheets, equipment specifications, AutoCAD drawings, cause and effect diagrams, standard operating procedures, preventative maintenance schedules, HAZOP, and maintenance manuals. 2. Analyze LCO2...
MT
Mar 26, 2026
Full time
Junior Process Engineer - Home Office
Matheson Tri-Gas, Inc. Decatur, IL
Junior Process Engineer Matheson is seeking a motivated Junior Process Engineer to join ourfast-paced engineering team in our CO2 and dry ice division. Safety is ournumber one goal. This requires that you embrace the safety first concept. Therole requires a good understanding of heat transfer, fluid flow and chemicalexchange associated with the refinery processes. This is an entry-levelposition where the successful candidate will be responsible for assisting in overseeingthe installation, operation, and maintenance of LCO2 refinery equipment. Additionalresponsibilities will be to monitor the manufacturing processes to ensureproduct quality and efficiency, analyze data to identify areas of improvementand implement changes to drive improvement. Essential Function 1. Assist with review of various deliverables such as process flow diagrams, P&IDs, process data sheets, equipment specifications, AutoCAD drawings, cause and effect diagrams, standard operating procedures,...
JS
Mar 05, 2026
Full time
Design Engineer
Justrite Safety Group Mattoon, IL
About Justrite Safety Group At Justrite Safety Group , we're more than just a collection of industrial safety companies; we're a dynamic organization dedicated to protecting people, property, and the planet. Our ever-growing portfolio of companies collaborates to deliver advanced industrial safety solutions that set the standard for excellence. As our business continues to grow, we continue to look for top talent to join our team as we lead the charge in revolutionizing industrial safety, ensuring that every worker returns home safe, every workplace remains secure, and our environment thrives for generations to come. With Justrite Safety Group, safety isn't just a priority-it's our passion. The Contribution You'll bring to this Role: The Design Engineer is responsible for the mechanical design, documentation, and design-to-manufacturing execution of fabricated sheet metal products and related accessories. This role focuses on product performance, manufacturability,...
AG
Feb 22, 2026
Full time
Mechanical Engineer
AGCO Tremont, IL
Solutions for Every Season We engineer and deliver precision ag hardware, software, and cloud-based platforms that connect every corner of the farm. Precision Planting is a leading provider of agriculture technologies for farmers who Believe in Better™ with a focus on creating solutions for current agronomic issues and providing practical educational resources. Precision Planting products upgrade the performance of farmers' existing agricultural equipment. Our global company is represented by a network of more than 600 dealerships and offers technologies to farmers and agricultural equipment manufacturers worldwide. Our team at Precision Planting continues to grow without sacrificing our valued company culture. We are proud of the hardworking, creative, and passionate people that symbolize our brand. We continue to grow our product lineup through their high integrity, high performance, and collaboration. If you share these values, then we might be the right place for you. Your...
MW
Jan 29, 2026
Intern
Wastewater Operations Engineer Intern
Metropolitan Water Reclamation District of Greater Chicago IL
Introduction MWRD's Internship Program offers paid internship positions. While the main focus is on wastewater management, there are opportunities to gain knowledge and practical experience in a wide range of functions in each department. Paid Interns Paid interns are limited to 119 working days per calendar year and receive $18.00 per hour. Required Documents: Letter of recommendation from a class instructor, professor, or Internship Coordinator from current school or university. Cover letter stating interest in position. Resume. Eligibility Requirements Currently enrolled in a degree-seeking program in an accredited college or university and will be enrolled in the 2026/2027 school year. Permanent residency within the territorial boundaries of the MWRD (students may attend school outside the territorial boundaries). You must be a citizen or national of the United States, or an individual who is otherwise legally authorized to...
As
Mar 05, 2026
Full time
Reliability and Maintenance Engineer
Ashland Calvert City, KY
ISP Chemicals LLC Are you the kind of person who is always thinking, sketching, seeking, and adjusting? Who needs to understand how things work and then figure out how they can work better? Are you a passionate, tenacious solver who loves to work with others who share your drive? Are you positive, constructive, and ingenious? Are you always solving? Then we'd like to meet you and bet you'd like to meet us. Ashland has an exciting opportunity for a Reliability and Maintenance Engineer to join our Ashland Specialty Ingredients G.P. business at our Calvert City, KY location. This is a very visible, significant role within the Company and the manufacturing function. This position will report to the Area Managers. The responsibilities of the position include, but are not limited to, the following: Serve as an integral part of Calvert City's Asset Integrity and Reliability Team while supporting plant operations, reliability improvements & projects across the facility....
Ap
Apr 19, 2026
Full time
Project Engineer
Amcor plc Evansville, IN
Accelerate the possible by joining a winning Amcor team that's transforming the packaging industry and improving lives around the world. At Amcor, we unpack possibility through our innovative and responsible packaging to provide solutions that benefit our customers, our people and our planet. More than 10,000 consumers worldwide encounter our products every second and rely on us for safe access to food, medicine and other goods. We value their trust by making safety our guiding principle. It's our core value and integral to how we do business. Beyond this core principle, our shared values and behaviors unite us as we work together to elevate customers, shape lives and protect the future. We champion our customers and help them succeed. We play to win - adapting quickly in an everchanging world - and make smart choices to safeguard our business, our communities and the people we serve for generations to come. And we invest in our world-class team, empowering our colleagues to...
Ap
Apr 12, 2026
Full time
Automation & Controls Engineer
Amcor plc Evansville, IN
Accelerate the possible by joining a winning Amcor team that's transforming the packaging industry and improving lives around the world. At Amcor, we unpack possibility through our innovative and responsible packaging to provide solutions that benefit our customers, our people and our planet. More than 10,000 consumers worldwide encounter our products every second and rely on us for safe access to food, medicine and other goods. We value their trust by making safety our guiding principle. It's our core value and integral to how we do business. Beyond this core principle, our shared values and behaviors unite us as we work together to elevate customers, shape lives and protect the future. We champion our customers and help them succeed. We play to win - adapting quickly in an everchanging world - and make smart choices to safeguard our business, our communities and the people we serve for generations to come. And we invest in our world-class team, empowering our colleagues to...
Ap
Mar 07, 2026
Intern
Year Round Engineering Internship - Thermoforming
Amcor plc Evansville, IN
Job Description Responsibilities: 1. Work with others to assist in the development and implementation of capital projects that will reduce costs and improve operating efficiency. 2. Provide engineering support for new equipment upgrades and special projects in the Thermoforming Department. 3. Assist Product Development with engineering support for new product lines. 4. Convert PDF manufacturing prints into editable 2D and 3D models. 5. Convert and combine single PDF's into binder files for maintenance manuals. 6. Look for improvements that can be made and implement them. 7. Comply with all company Environmental Health and Safety and Department of Health requirements. Qualifications: 1. Current enrollment in an engineering program. Preferably at the junior/senior level. 2. Working knowledge of MS office and Windows. SW and Auto Cad knowledge preferred. 3. Strong organizational and communication skills with ability to complete multiple tasks simultaneously. 4. Visual...
AE
Apr 20, 2026
Full time
Electrical Engineer
Ascend Elements Hopkinsville, KY
Ascend Elements (AE) is revolutionizing the production of lithium-ion battery materials by establishing a clean and sustainable supply chain using recycled feedstock. Its patented Hydro-to-Cathode™ technology directly synthesizes new cathode materials from spent lithium-ion cells more efficiently than traditional methods, resulting in reduced cost, improved performance, and lowered GHG emissions. The results are lower cost, better performance batteries with fewer discarded in landfill, a cleaner manufacturing process, and a truly sustainable closed-loop circular battery economy. Ascend Elements is taking the lithium-ion battery industry to a higher level. We are seeking an experienced Electrical Engineer to support the design, implementation, and optimization of electrical systems for advanced battery material manufacturing facilities. This role is critical to ensuring reliable, efficient, and safe operations across our production sites. The ideal candidate will have strong...
SS
Mar 26, 2026
Full time
Mechanical Engineer II
ServiceSource, Inc. St. Louis, MO
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...
BE
Mar 18, 2026
Full time
Engineer - Substation (Experienced)
BHMG Engineers, Inc Collinsville, IL
Job Type Full-time Description BHMG is a leading provider of utility-focused engineering and consulting services across many segments including electric companies, municipalities, and businesses with large energy needs. For over 50 years we have been a trusted partner and aim to revolutionize the way we think about utilities and reshape what is possible. Our clients all count on our experienced team who are ready to help. We provide a personalized service tailored to meet our clients' ever-changing needs and help with anticipating future challenges. VALUES AND CULTURE At BHMG, we invest in you, so you can power your career while living a balanced life. With a focus on culture, flexibility and employee benefits, our teams are highly motivated and come to work ready to collaborate to help our organization and our clients succeed. We look for team members who embody our core values of Team, Fun, Flexible Yet Accountable, Excellence, Transparent, No Gossip, Challenge the...
MI
Mar 22, 2026
Full time
Mechanical Design and Process Engineer
Maxcess International Eureka, MO
PRIMARY RESPONSIBILITY: The Mechanical Design & Process Engineer is a technical product owner responsible for guiding product Safety, Quality and Cost in order to achieve company growth and profitability targets. This role is responsible for the mechanical design of new products to meet customer specifications and design modifications of existing products. Job function includes direct interaction with Customers, Sales, Marketing, Technical Support, Manufacturing, Vendors, and Management to determine product requirements, and develop technical drawings and specifications in a timely manner to meet tight schedules. DUTIES AND RESPONSIBILITIES: Apply Continuous Improvement methodologies to product designs and processes Hands on involvement with all phases of new and incremental product Conceptual design of parts and assemblies using SolidWorks and Development in a timely manner of accurate drawings and specifications for Supporting various Engineering databases and...
BR
Apr 08, 2026
Full time
Electrical Engineer
Build Renewables LLC Kingdom City, MO
BUILD Renewables is a nationwide engineering, procurement, and construction (EPC) company with a dedicated focus on utility-scale solar and battery energy storage systems. The company was formed due to the increasing demand for renewables with the objective of assembling high-performing project teams. Our goal is to hire the best people and offer them career opportunities that are unique to the industry. Learn more at www.buildrenew.com Position Overview: The Electrical Engineer will support the Project Management and Operations team to support daily work activities. The Electrical Engineer will interact with the client on changes and questions to ensure clear communication. Essential Functions Supporting all aspects of quality and production for electrical tasks assigned. In addition to quality, continually ensuring all employees follow health and safety regulations while monitoring operations to promote the wellbeing of the whole team. Coordinating / overseeing work of...
MW
Feb 06, 2026
Full time
Manufacturing Engineer
Mueller Water Products, Inc. Decatur, IL
Who We Are: Thank you for your interest in Mueller Water Products, Inc. For more than 165 years, Mueller Water Products, Inc. has been building the future of water infrastructure. From lifesaving fire protection to data intelligence, we are committed to developing products and solutions that help cities and utilities deliver clean, safe drinking water to hundreds of millions of people across North America. Our purpose is to connect communities to water, life's most essential resource, with exceptional, people solutions and products. Behind that purpose is a dedicated team, united by our shared values of respect, integrity, trust, inclusion and safety. With a vision to be the leader in water infrastructure solutions-solving challenges, enriching lives and safeguarding the future-we are making a positive impact that will last for generations. By joining Mueller, you become part of a dynamic team dedicated to excellence and innovation, working collaboratively to achieve...
ME
Feb 01, 2026
Full time
Electrical Engineer
Martin Energy Group Tipton, MO
Purpose of the Role The primary purpose of the Electrical Engineer is to provide electrical engineering services, including power system design and industrial control system design, for packaged generator sets, biogas digesters, and renewable natural gas upgrading systems. Key Responsibilities and Duties Create and update design drawings, including electrical one-lines, three-lines, control diagrams, and panel layouts. Develop IO lists specifying devices to be connected to a PLC's inputs and outputs Generate detailed BOMs (Bills of Materials) for electrical damage. Prepare cost estimates for electrical systems and design. Author operations manuals, proposals, and design documentation. Implement safety features such as grounding systems, overcurrent protection devices, and electrical isolation procedures to mitigate hazards. Interpret and apply information from mechanical and electrical drawings to designs. Adhere to company and client engineering standards and...
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