Engineer, Mechanical Jobs in Chicago, IL

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Engineer, Mechanical Diesel Generator SME

Constellation Energy

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Warrenville, Illinois, USA

Full-time

COMPANY OVERVIEW As the nation's largest producer of clean, carbon-free energy, Constellation is a company purposely-built to meet the challenges of the climate crisis. Constellation has been the leader in clean energy production for more than a decade and we are growing our company and capabilities. Now, we're accelerating, speeding our low-carbon or no-carbon power to more people in more places, day and night, providing our customers and communities with options to buy, manage and use energy
Posted 60+ days ago | Updated 23 hours ago

Mechanical Engineer - Civil

Jobot

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Chicago, Illinois, USA

Full-time

Quickly growing Civil Engineering firm looking to hire a Mechanical Engineer to join our growing team! This Jobot Job is hosted by: Ryan Rubino Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $120,000 - $155,000 per year A bit about us: A minority owned Civil Engineering firm located in Chicago, Illinois! We are quickly growing with multiple projects based out over the next few years. We are looking to add a talented Mechanical Engineer to
Posted 3 days ago | Updated 8 hours ago

Engineer, Mechanical

Constellation Energy

•

Warrenville, Illinois, USA

Full-time

PRIMARY PURPOSE OF POSITION Performs advanced technical/engineering problem solving in support of nuclear plant operations. Responsible for technical decisions. Possesses excellent knowledge in functional discipline and its practical application and has detailed knowledge of applicable industry codes and regulations. PRIMARY DUTIES AND ACCOUNTABILITIES Provide in-depth technical expertise to develop, manage and implement engineering analysis, activities and programs.Provide technical expertise
Posted 60+ days ago | Updated 11 hours ago

Engineer, Mechanical Diesel Generator SME

Constellation Energy

•

Warrenville, Illinois, USA

Full-time

COMPANY OVERVIEW As the nation's largest producer of clean, carbon-free energy, Constellation is a company purposely-built to meet the challenges of the climate crisis. Constellation has been the leader in clean energy production for more than a decade and we are growing our company and capabilities. Now, we're accelerating, speeding our low-carbon or no-carbon power to more people in more places, day and night, providing our customers and communities with options to buy, manage and use energy
Posted 60+ days ago | Updated 11 hours ago

Mechanical Engineer - Mid-Level

Sargent & Lundy LLC.

•

Chicago, Illinois, USA

Full-time

Description This position will offer you the ability to directly apply your knowledge of thermodynamics, heat transfer, and fluid mechanics.You will be preparing calculations, specifications, and technical reports to support client recommendations and reviews, and will additionally conduct equipment sizing, optimization evaluation, and selection in response to project needs.While supporting project teams with other Mechanical Engineers, you will be involved in system engineering, including the
Posted 6 days ago | Updated 11 hours ago

Mechanical Engineer

Stantec

•

Chicago, Illinois, USA

Full-time

Job Description Many of the world's top engineers and scientists come together in our Water business because they view a community's interaction with water a bit differently-as a single holistic system, rather than unconnected networks divided by jurisdictional boundaries. Working throughout the hydrologic cycle, we are delivering sustainable solutions to make sure water is where it should be and available when needed. Our experts guide our work with scientific rigor, an innovative spirit, and
Posted 9 days ago | Updated 11 hours ago

Mechanical Engineer

Stantec

•

Chicago, Illinois, USA

Full-time

Communities everywhere share the need for clean water. And as they work to meet that need, they're facing new, more complex challenges every day. Our water professionals collaborate to contribute innovative ideas, guided by scientific rigor and a vision for sustainable growth. Every day, we're helping communities improve, reuse, and protect our world's most precious resource. Join our team to deliver transformational projects that will benefit future generations. Grow with us, H2O+U. Your Opport
Posted 9 days ago | Updated 11 hours ago

Mechanical Engineer - Senior-Level

Sargent & Lundy LLC.

•

Chicago, Illinois, 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, troubleshooting, 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 sys
Posted 6 days ago | Updated 11 hours ago

Principal Engineer - Mechanical Engineering (Hybrid)

RTX Corporation

•

Remote or Windsor, Connecticut, USA

Full-time

Date Posted: 2025-07-16 Country: United States of America Location: 02: Building 02 Windsor Locks One Hamilton Road, Windsor Locks, CT, 06096 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Looking to make an impact in engineering? Join our Hydro-Mechanical, Actuation & Pneumatic Valve Design Group as a Mechanical Design Engineer. You'll play a key role in developing innovative solutions for critical component
Posted 23 hours ago | Updated 11 hours ago

Senior Mechanical Engineer 2 (Power Uprates) - Nuclear

Sargent & Lundy LLC.

•

Chicago, Illinois, USA

Full-time

Description 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 Mechanical Analysis Engineering group. You will work on major systems, equipment, and plant process in the following areas: Develop and lead licensing basis system and component evaluations for nuclear power uprate projects.This position will offer you the ability to directly apply your knowledge of thermodynamics,
Posted 7 days ago | Updated 11 hours ago

Lead Mechanical Engineer 1 (Power Uprates) - Nuclear

Sargent & Lundy LLC.

•

Chicago, Illinois, USA

Full-time

Description 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 Mechanical Analysis Engineering group. You will work on major systems, equipment and plant process in the following areas: Develop and lead licensing basis system and component evaluations for nuclear power uprate projects.This position will offer you the ability to directly apply your knowledge of thermodynamics, h
Posted 7 days ago | Updated 11 hours ago

Mechanical Engineer 1 (Entry-Level) - Nuclear (Summer 2026)

Sargent & Lundy LLC.

•

Chicago, Illinois, USA

Full-time

Description This position has a target start date of summer 2026. This position will offer you the ability to directly apply your knowledge of thermodynamics, heat transfer, fluid mechanics, and power plant engineeringYou will be preparing calculations, specifications, and technical reports to support client recommendations and reviews, and will additionally conduct equipment sizing, optimization evaluation, and selection in response to project needsWhile supporting project teams with other Mec
Posted 13 days ago | Updated 11 hours ago

Senior Mechanical Engineer (Power Focus)

Sargent & Lundy LLC.

•

Chicago, Illinois, USA

Full-time

Description This role offers a hybrid work arrangement. You'll spend three days a week in the office, giving you the flexibility to work remotely for two days Overview: Sargent & Lundy Consulting (SLC) works on behalf of clients to support electric power projects. We evaluate and optimize technical, commercial, environmental, and financial aspects of the projects for a variety of clients.. Responsibilities: In this role, you will provide development support, conceptual design and owner's engi
Posted 17 days ago | Updated 11 hours ago

Mechanical Engineer Project Consultant

Sargent & Lundy LLC.

•

Chicago, Illinois, 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
Posted 21 days ago | Updated 11 hours ago

Lead Mechanical Engineer -- Owner's Engineering Support

Sargent & Lundy LLC.

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Chicago, Illinois, USA

Full-time

Description Your responsibilities will include, but are not limited to: You will help develop conceptual and detailed designs for new power generation with an emphasis on gas turbine based simple and combined cycle facilities.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
Posted 21 days ago | Updated 11 hours ago

Senior Mechanical Engineer-Hydro Turbines

Stantec

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Chicago, Illinois, USA

Full-time

Join a team that has been partnering with our clients for more than 100 years to improve the quality of life around the world. When it comes to hydropower, dams, navigation and power delivery projects, we design with the next generation in mind. We operate with the strength of a $6B company paired with the agility of a specialized energy group, to deliver some of the most iconic and cutting-edge projects around the world. This proud legacy has fostered a culture of innovation and safety, leading
Posted 30 days ago | Updated 11 hours ago

Mechanical Engineer - Mission Critical Facilities

Stantec

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Chicago, Illinois, USA

Full-time

Stantec Buildings is on a mission to become the world's leading integrated design practice. Our architects, engineers, interior designers, sustainability specialists, and technologists are passionate about the power of design. We take an innovative, collaborative approach to projects, sharing a common belief that sustainable design for the built environment can make the world a better place for future generations. Together, we are enhancing the quality of life globally through design. Join us an
Posted 30 days ago | Updated 11 hours ago

Senior Mechanical Engineer-Hydro Turbines

Stantec

•

Chicago, Illinois, USA

Full-time

Job Description Join a team that has been partnering with our clients for more than 100 years to improve the quality of life around the world. When it comes to hydropower, dams, navigation and power delivery projects, we design with the next generation in mind. We operate with the strength of a $6B company paired with the agility of a specialized energy group, to deliver some of the most iconic and cutting-edge projects around the world. This proud legacy has fostered a culture of innovation a
Posted 34 days ago | Updated 11 hours ago

Staff Building Mechanical Engineer - HVAC/Plumbing/Utilities (Minneapolis/Denver/Chicago)

Burns & McDonnell

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Chicago, Illinois, USA

Full-time

Description The staff mechanical engineer is responsible for supporting the discipline lead at a project level on simple to complex projects. Project work can include alterations and redevelopment on a variety of project types - process, corporate, industrial, manufacturing, government, and military facilities. The staff mechanical engineer coordinates with internal and external parties, manages multiple complex tasks, establishes priorities, and coordinates with others. The staff mechanical eng
Posted 35 days ago | Updated 11 hours ago

Mechanical Engineer 3 - Nuclear

Sargent & Lundy LLC.

•

Chicago, Illinois, USA

Full-time

Description This role offers a hybrid work arrangement. You'll spend three days a week in the office, giving you the flexibility to work remotely for two days. You will be involved in nuclear power plant systems design, including preparation or review of: Modification packages for operating nuclear power plantsFunctional mechanical drawings and/or drawings for nuclear power plant systemsEngineering analyses and evaluations to support modifications and operation of plant systemsTechnical specif
Posted 35 days ago | Updated 11 hours ago