Senior Mechanical Engineer Jobs in Illinois

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Senior Mechanical Engineer 2 - Nuclear

Sargent & Lundy LLC.

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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
Posted 60+ days ago | Updated 12 hours ago

Senior Mechanical Engineer - Mission Critical

Burns & McDonnell

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Chicago, Illinois, USA

Full-time

Description Burns & McDonnell is a company made up of more than 10,000 engineers, architects, construction professionals, scientists, consultants, and entrepreneurs with offices across the country and throughout the world. Burns & McDonnell has exciting opportunities for those interested in growing their careers in one of the most fast paced, innovative sectors of high tech building design and construction. Project focus would be mission-critical data center projects. This opportunity hires dire
Posted 60+ days ago | Updated 12 hours ago

Senior Mechanical Engineer

HDR, Inc.

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Chicago, Illinois, USA

Full-time

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world? Watch Our Story:' ' Each and every role throughout our organization makes a difference in our ability to change the world f
Posted 60+ days ago | Updated 12 hours ago

Senior Mechanical Engineer - Nuclear (Chicago)

Burns & McDonnell

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Chicago, Illinois, USA

Full-time

Description The Senior Mechanical Engineer will lead mechanical design project teams to create world class designs for new projects, alterations and redevelopments on a variety of projects including power, process, corporate, healthcare, pipeline, airports, institutional, industrial, manufacturing, government and military facilities. The Senior Mechanical Engineer will lead the project team throughout the design and construction process, adapting mechanical plans according to budget constraints,
Posted 60+ days ago | Updated 12 hours ago

Senior Mechanical Engineer (Hybrid)

Westinghouse Electric Company LLC

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Remote or Rock Hill, South Carolina, USA

Full-time

Are you interested in being part of a creative team that supports Westinghouse's mission to provide clean energy solutions? At Westinghouse, we recognize that our employees are our most valuable asset, and we want to identify the most qualified talent while recognizing and encouraging the value of diversity in the global workplace. If this sounds like an environment you would thrive in, we have an exciting opportunity as a Senior Mechanical Engineer. The Senior Mechanical Engineer will report to
Posted 60+ days ago | Updated 12 hours ago

Senior Engineer, Mechanical

ICU Medical, Inc.

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Lake Forest, Illinois, USA

Full-time

Job Description Senior Engineer, Mechanical - Lake Forest, IL Responsibilities Completes advanced engineering projects with peer input and guidance from engineering management. Analyzes, plans, organizes, and completes projects of a very complex nature. Finite Element Analysis (FEA) modeling is a plus. Develops CAD models, prototypes, and performs testing to demonstrate feasibility of design concepts. Provides design solutions for various electro mechanical medical devices including providing
Posted 4 days ago | Updated 12 hours ago

Sr Electrical/Mechanical Engineer - Electrical Wiring and Interconnection Systems (EWIS)

Sierra Nevada Corporation

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Remote or Lone Tree, Colorado, USA

Full-time

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS t
Posted 32 days ago | Updated 12 hours ago

Mechanical Senior Project Engineer

Stantec

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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
Posted 37 days ago | Updated 12 hours ago

Mechanical Senior Project Engineer - Mission Critical Facilities

Stantec

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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
Posted 37 days ago | Updated 12 hours ago

Mechanical Senior 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
Posted 46 days ago | Updated 12 hours ago

Senior Mechanical Design Engineer (Hybrid-Puerto Rico)

RTX Corporation

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Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-05-07 Country: United States of America Location: HPR01: Collins Puerto Rico- Aguadilla Road 110 North Km 28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Collins Aerospace has an exciting opportunity for a Mechanical Design Engineer. We're looking for an experienced professional, like you, to accept a high level of responsibility within a
Posted 60+ 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 13 days ago | Updated 12 hours ago

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
Posted 6 days ago | Updated 12 hours ago

Lead Mechanical Engineer 2 - Government Services

Sargent & Lundy LLC.

•

Remote

Full-time

Description This is a remote position with the expectation of frequent travel to a client site near Oak Ridge, Tennessee. This is a mid-level design engineering position that offers a variety of challenging opportunities in Mechanical Engineering and will provide an excellent opportunity for career advancement: Lead Mechanical design engineering efforts on a multi-disciplined project design team and apply mechanical engineering expertise to the design and analysis of special purpose equipment,
Posted 10 days ago | Updated 12 hours ago

Lead Mechanical Engineer 1 - Nuclear

Sargent & Lundy LLC.

•

Remote

Full-time

Description 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 specifications and procurement documents for plant equipmentVendor bid evaluations for plant equipmentStudies and options evaluations for modifications to
Posted 19 days ago | Updated 12 hours ago

Lead Mechanical Engineer 2 - Government Services

Sargent & Lundy LLC.

•

Remote or Oak Ridge, Tennessee, USA

Full-time

Description This is a remote position with the expectation of frequent travel to a client site near Oak Ridge, Tennessee. This is a mid-level design engineering position that offers a variety of challenging opportunities in Mechanical Engineering and will provide an excellent opportunity for career advancement: Lead Mechanical design engineering efforts on a multi-disciplined project design team and apply mechanical engineering expertise to the design and analysis of special purpose equipment,
Posted 17 days ago | Updated 12 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 14 days ago | Updated 12 hours ago

Lead Mechanical Engineer 1 (Power Uprates) - Nuclear

Sargent & Lundy LLC.

•

Remote

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
Posted 19 days ago | Updated 12 hours ago

Mechanical Engineer (Facilities)

LMI Government Consulting (Logistics Management In

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Remote

Full-time

Overview LMI seeks an experienced mechanical engineer to provide support to a federal facilities and infrastructure portfolio management program. Join our team of collaborative self-starters focused on delivering practical and efficient solutions to help U.S. Department of Homeland Security (DHS) keep our nation safe while supporting the facilitation of legitimate trade and travel. LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and
Posted 20 days ago | Updated 8 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 13 days ago | Updated 12 hours ago