mechanical Jobs in Illinois

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Mid-Level Mechanical Engineering Consultant

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 engin

Mechanical Engineer - Project Lead

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

Engineer, Mechanical/Electrical

Constellation Energy

Morris, Illinois, USA

Full-time

WHO WE ARE As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our

Mechanical Engineer 2 - 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

Lead Mechanical Engineer 1 - 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 specifi

Mechanical Project Engineer

Stantec

Chicago, Illinois, USA

Full-time

Stantec's Buildings team is on a mission to become the world's leading integrated design practice. Our architects, engineers, interior designers, consultants, sustainability specialists, and technologists are passionate about the power of design. Our collaborative culture and our innovative, sustainable approach to projects help us create buildings that matter to our world. Together, we are enhancing the quality of life globally through design. Join us and design your place with Stantec. Your Op

Engineer, Mechanical (Valve)

Constellation Energy

Byron, Illinois, USA

Full-time

WHO WE ARE As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our

Mechanical Project Engineer

Stantec

Chicago, Illinois, USA

Full-time

Job Description Stantec's Buildings team is on a mission to become the world's leading integrated design practice. Our architects, engineers, interior designers, consultants, sustainability specialists, and technologists are passionate about the power of design. Our collaborative culture and our innovative, sustainable approach to projects help us create buildings that matter to our world. Together, we are enhancing the quality of life globally through design. Join us and design your place with

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

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

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

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,

Mechanical Engineering Consultant 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 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 discussions and project status.Develop engineering proposals and cost estimates.M

Mechanical Engineer

Stantec

Chicago, Illinois, USA

Full-time

Job Description 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,

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

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

Senior Mechanical Engineering Consultant -- Mission Critical (Data Centers)

Sargent & Lundy LLC.

Chicago, Illinois, USA

Full-time

Description Overview: Sargent & Lundy Consulting (SLC) is expanding our Mission Critical team to support the growing demand for mission-critical data center projects. This direct-hire opportunity places you at the forefront of a multibillion-dollar industry experiencing exponential growth. Data centers represent a highly strategic market for Sargent & Lundy, highlighted in several of our priority articles. Our Mission Critical practice is international in scope and involves exciting, collaborat

Engineer, Mechanical

Constellation Energy

Morris, Illinois, USA

Full-time

WHO WE ARE As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our

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

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