mechanical engineering Jobs in saint louis, mo

1 - 20 of 412 Jobs

Senior Field Project Manager - Construction/Mechanical Engineering focus (remote)Job Title - Senior Field Project Manager - Construction/Mechanical Engineering focus (remote)

Clean HarborsCompany Name - Clean Harbors

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Remote or Norwell, Massachusetts, USA

Full-time

Clean Harbors is currently searching for 2- Remote Senior Field Project Managers to join the Capital Projects Construction/ Engineering team. The successful candidate will be responsible for managing projects up to $10MM that include transfer stations, incinerators and refineries nationwide. The successful remote candidate will focus on budgets, schedules, presentations, relationships with contractors, engineering firms, civil, electrical mechanical, equipment, vendors while working remotely in

Diesel MechanicJob Title - Diesel Mechanic

Express Employment ProfessionalsCompany Name - Express Employment Professionals

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Arnold, Missouri, USA

Full-time

Experienced Diesel Technician - Drive Your Career Forward! Join a Team That Values Skill, Precision, and Pride in Craftsmanship. Are you a seasoned Diesel Technician looking for better pay, real advancement, and a company that respects what you bring to the table? Whether you're looking for more challenging work, a cleaner shop, or a better shift - we have multiple opportunities available across leading local fleets, dealerships, and repair shops. By applying with Express, you're not just appl

Mechanical Engineering Consultant 2 (Power Uprates) - NuclearJob Title - Mechanical Engineering Consultant 2 (Power Uprates) - Nuclear

Sargent & Lundy LLC.Company Name - Sargent & Lundy LLC.

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Remote

Full-time

Description This will be a remote Mechanical Analysis position to support Power Uprates. Our electric power generation clients are seeking to increase the power output of their existing power plants to meet the electric demands. This is expanding work in the nuclear industry. You will work on major systems, equipment and plant process in the following areas: Perform consulting level work for power uprates in the nuclear industry.Interface with clients and project teams to present technical dis

Mechanical Engineering Consultant 2 - NuclearJob Title - Mechanical Engineering Consultant 2 - Nuclear

Sargent & Lundy LLC.Company Name - Sargent & Lundy LLC.

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Remote

Full-time

Description This position will offer you the opportunity to manage project(s) consisting of engineers, designers, controls and scheduling professionals involved in the design, modification, and analysis of new and existing nuclear power plant modifications. The position will involve coordinating with multiple internal and external departments to manage the life cycle of project execution. Responsible for project execution, coordination of resources from each discipline as requiredTake ownership

Lead Mechanical Engineer -- Energy & Industrial GroupJob Title - Lead Mechanical Engineer -- Energy & Industrial Group

Sargent & Lundy LLC.Company Name - Sargent & Lundy LLC.

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St. Louis, Missouri, USA

Full-time

Description 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, and solving a wide variety of mechanical engineering issues.Act as the Mechanical team lead in the coordination of detailed design phases for all aspects of mechanical engineering work.Develop integrated sy

Industrial Maintenance Mechanic - 1st and 2nd Shift AvailableJob Title - Industrial Maintenance Mechanic - 1st and 2nd Shift Available

Express Employment ProfessionalsCompany Name - Express Employment Professionals

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St. Louis, Missouri, USA

Full-time

Industrial Maintenance Mechanic - Join a Team That Keeps Things Running! Hands-on, high-impact, and built to last. We're looking for a reliable and experienced Industrial Maintenance Mechanic to join a fast-paced manufacturing team. If you're mechanically inclined, take pride in solving problems, and thrive in a setting where no two days are the same-this is your opportunity to be part of a team that values craftsmanship and consistency. What You'll Do: Perform routine and emergency maintenan

2026 University New Hire - Wood River Refining EngineerJob Title - 2026 University New Hire - Wood River Refining Engineer

Phillips 66Company Name - Phillips 66

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Roxana, Illinois, USA

Full-time

JOIN US AND START YOUR CAREER WITH ENERGY. Phillips 66 is dedicated to helping University New Hires make a smooth transition into the professional world, through specific programs designed to give you the tools you need to successfully launch your career. Get more information at careers.phillips66.com. Our Refining operations are comprised of global refining, marketing and transportation of petroleum products and related specialty businesses. Through its Refining business segment, Phillips 66

Sr AssemblerJob Title - Sr Assembler

bioMerieuxCompany Name - bioMerieux

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St. Louis, Missouri, USA

Full-time

Job DescriptionBenefits at bioMerieux:Low-cost medical, dental, and vision benefits starting day one 11 paid holidays 160 hours of paid time off Annual bonus 9.5% 401k company contribution with no vesting period Tuition reimbursement up to $10000 per calendar year Onsite cafeteria with daily food stipend Normal working hours are Monday - Friday from 6:00am - 2:30pm Position Summary & Responsibilities:To perform assembly, refurbishment, subassembly and test functions of electrical and mechanical

Engineer IJob Title - Engineer I

Marriott InternationalCompany Name - Marriott International

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St. Louis, Missouri, USA

Full-time

Job Description POSITION SUMMARY Respond and attend to guest repair requests. Communicate with guests/customers to resolve maintenance issues. Perform preventive maintenance on tools and kitchen and mechanical room equipment, including cleaning and lubrication. Visually inspect tools, equipment, or machines. Carry equipment (e.g., tools, radio). Identify, locate, and operate all shut-off valves for equipment and all utility shut-offs for buildings. Maintain maintenance inventory and requisitio

Diesel Fleet Technician - Earn $27.64/Hour + $7,500 Sign On BonusJob Title - Diesel Fleet Technician - Earn $27.64/Hour + $7,500 Sign On Bonus

SyscoCompany Name - Sysco

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Venice, Illinois, USA

Full-time

Job DescriptionSysco is Now Hiring Diesel Fleet Technicians in St. Charles, MO \nEarn $27.64 per Hour* Plus a $600 Annual Boot & Tool Allowance \nUp To $7,500 Sign-On Bonus - Career Growth Opportunities \n\nWe offer our colleagues the opportunity to grow personally and professionally, to contribute to the success of a dynamic organization, and serve others in a manner that exceeds their expectations. We re looking for talented, hard-working individuals to join our team. Come grow with us and let

Diesel Fleet Technician - Earn $27.64/Hour + $7,500 Sign On BonusJob Title - Diesel Fleet Technician - Earn $27.64/Hour + $7,500 Sign On Bonus

SyscoCompany Name - Sysco

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Caseyville, Illinois, USA

Full-time

Diesel Fleet Technician - Earn $27.64/Hour + $7,500 Sign On BonusJob Title - Diesel Fleet Technician - Earn $27.64/Hour + $7,500 Sign On Bonus

SyscoCompany Name - Sysco

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Granite City, Illinois, USA

Full-time

Diesel Fleet Technician - Earn $27.64/Hour + $7,500 Sign On BonusJob Title - Diesel Fleet Technician - Earn $27.64/Hour + $7,500 Sign On Bonus

SyscoCompany Name - Sysco

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Dupo, Illinois, USA

Full-time

Diesel Fleet Technician - Earn $27.64/Hour + $7,500 Sign On BonusJob Title - Diesel Fleet Technician - Earn $27.64/Hour + $7,500 Sign On Bonus

SyscoCompany Name - Sysco

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Brooklyn, Illinois, USA

Full-time

Diesel Fleet Technician - Earn $27.64/Hour + $7,500 Sign On BonusJob Title - Diesel Fleet Technician - Earn $27.64/Hour + $7,500 Sign On Bonus

SyscoCompany Name - Sysco

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Illinois, USA

Full-time

Diesel Fleet Technician - Earn $27.64/Hour + $7,500 Sign On BonusJob Title - Diesel Fleet Technician - Earn $27.64/Hour + $7,500 Sign On Bonus

SyscoCompany Name - Sysco

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East St. Louis, Illinois, USA

Full-time

Sr AssemblerJob Title - Sr Assembler

bioMerieuxCompany Name - bioMerieux

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Florissant, Missouri, USA

Full-time

Experienced Mechanical System Design & Analysis EngineerJob Title - Experienced Mechanical System Design & Analysis Engineer

BOEINGCompany Name - BOEING

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Berkeley, Missouri, USA

Full-time

Job Description At Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us. Boeing Defense, Space & Security (BDS) has an exciting opportunity for an Experienced Mechanical System Design & Analysis Engineer to support the MQ-25 Platform Systems team in Berkeley, MO. MQ-25 is the next generation autonom

Lead Mechanical Engineer - Power (Multiple Locations)Job Title - Lead Mechanical Engineer - Power (Multiple Locations)

Burns & McDonnellCompany Name - Burns & McDonnell

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St. Louis, Missouri, USA

Full-time

Description Burns & McDonnell has an exciting opportunity for a Lead Mechanical Engineer to join the Power global practice. This position is responsible for the design and evaluation of mechanical systems associated with coal and natural gas fired generation facilities as well as associated support facilities. As a Lead Mechanical Engineer, you will be responsible for front-end planning/preliminary design/code analysis; final design including bidding document and specification preparation; const

Die Cut/Folder - Maplewood, MOJob Title - Die Cut/Folder - Maplewood, MO

Express Employment ProfessionalsCompany Name - Express Employment Professionals

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St. Louis, Missouri, USA

Full-time

Die Cut/Folder Position - Our Valued Client (Maplewood, MO) Position Summary The Die Cut/Molder will operate and maintain die cutting and mold-making equipment to support the production of a variety of custom-printed items. This role requires technical skill, attention to detail, and consistent performance to ensure products meet the company's quality and productivity standards. Responsibilities Set up, operate, and maintain die cutting and molding equipment according to daily production requ