Mechanical Engineer jobs in Clayton

Key Responsibilities: Lead and manage the mechanical engineering department supporting one to two key processing areas within mining and minerals production operations. Establish engineering priorities, project strategies, and execution plans aligned with organizational goals. Plan, schedule, conduc

NNE

About the Program: Are you looking for an opportunity to gain real-world engineering experience while contributing to design projects that support the production of life-changing medicines? NNE is seeking motivated engineering students to join our Summer Internship Program. This paid internship offe

Responsibilities This position has a targeted start date of January 2027. This position will offer you the ability to directly apply your knowledge of thermodynamics, heat transfer, and fluid mechanics You will be involved in the system engineering aspects of power plant engineering and oil & ga

Responsibilities This position is based on a hybrid work schedule and will require in-office work 3 days per week. Your responsibilities will include, but are not limited to: You will be responsible for leading the Mechanical Engineering design efforts for a team of junior and senior engineers and d

Responsibilities This position is based on a hybrid work schedule and will require in-office work 3 days per week. Your responsibilities will include, but are not limited to: You will be responsible for leading the Mechanical Engineering design efforts for a team of junior and senior engineers and d

Responsibilities This position has a targeted start date of January 2027. This position will offer you the ability to directly apply your knowledge of thermodynamics, heat transfer, and fluid mechanics You will be involved in the system engineering aspects of power plant engineering and oil & ga

Sargent & Lundy

$84,762 - $129,498 /year

Responsibilities This position is based on a hybrid work schedule and will require in-office work 3 days per week. Your responsibilities will include, but are not limited to: You will be responsible for leading the Mechanical Engineering design efforts for a team of junior and senior engineers and d

Sargent & Lundy

Responsibilities This position has a targeted start date of January 2027. This position will offer you the ability to directly apply your knowledge of thermodynamics, heat transfer, and fluid mechanics You will be involved in the system engineering aspects of power plant engineering and oil & ga

Harrison Consulting Solutions

Growing national firm is seeking a Process-Mechanical Engineer for their St. Louis office! Responsibilities Plan/design water and wastewater systems (pumping, process and mechanical piping, and related valves and process equipment) Deliver quality work on time and within budget Strong communication/

Responsibilities Your responsibilities will include, but are not limited to: You will be responsible for leading the Mechanical Engineering design efforts for a team of junior and senior engineers and designers. You will work on challenging assignments that include investigating, trouble-shooting, a

Job Title: Field Mechanical Engineer Job ID: 88123 Location: Clayton, Missouri What you will be doing: Provide construction site engineering resources and expertise during construction phases of projects to interpret designs, adjust designs to meet mitigate construction delays. Facilitate constructi

Sargent & Lundy

$118,023 - $180,313 /year

Responsibilities Your responsibilities will include, but are not limited to: You will be responsible for leading the Mechanical Engineering design efforts for a team of junior and senior engineers and designers. You will work on challenging assignments that include investigating, trouble-shooting, a