493 Results for

Mechanical Engineering Jobs in Westchester, IL

Jobs

Chicago, IL7 days ago

$120,000–$155,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This is a unique opportunity to join a dynamic team and contribute to the design, development, and implementation of various mechanical systems in the civil engineering industry.

Downers Grove, IL7 days ago

$95,000–$145,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. As a key member of our team, you will play a pivotal role in the design and management of various projects, ensuring the highest levels of quality and efficiency.

New!

Naperville, IL5 days ago

Remote

$125,000–$150,000 Per Year

10+ years of progressively responsible experience in mechanical engineering, design, and analysis, preferably within the nuclear or power generation industry. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.

New!

Chicago, IL4 days ago

Remote

$110,000–$170,000 Per Year

We are a growing, design-build mechanical contractor with a strong reputation across the Upper Midwest, delivering HVAC, plumbing, and process piping solutions across healthcare, higher education, industrial, commercial, multifamily, and hospitality environments. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

Chicago, IL7 days ago

$90,000–$120,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our practical approach addresses our clients' complex energy needs, maximizing savings and return on investment while minimizing environmental impact across all served markets.

New!

Arlington Heights, IL2 days ago

$120,000–$150,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. As a Project Manager, you will oversee the planning, execution, and delivery of HVAC and mechanical system projects, including chillers, boilers, custom fabrication, and process piping.

Minooka, IL25 days ago

$87,000–$114,000

Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all.

Elwood, IL19 days ago

$122,400–$154,000

Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes.

Joliet, IL25 days ago

$122,400–$154,000

New!

Downers Grove, IL3 days ago

This role is responsible for supporting and/or leading projects by delivering efficient engineering design and execution that maintains or improves contract profitability while ensuring high levels of customer satisfaction. Design customized solutions including pump and motor sizing, pneumatic, electro-pneumatic, and electrical routing (experience with food, beverage, dairy or consumer products industries is a plus).

New!

Westmont, IL5 days ago

$100,000–$150,000 Per Year

Perform work with a high degree of latitude, handle complex issues, and provide leadership, coaching, or mentoring to subordinates. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.

Bensenville, IL7 days ago

$100,000–$150,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. An established, growth-oriented mechanical contractor delivering complex commercial and industrial projects is seeking an Estimator to prepare accurate, competitive bids for HVAC and process piping scopes.

Minooka, IL24 days ago

$92,700–$154,000

Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Bachelor&rsquos degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 5 years of nuclear experience or related engineering experience.

New!

Chicago, ILToday

$115,000–$156,000 Per Year

The scope of work typically includes planning and scheduling work, mentoring less experienced engineers, providing technical direction, performing technical reviews, supporting engineers with any necessary troubleshooting activities, ensuring high quality drawings and design documentation, ensuring adherence to project budgets, and leading staff performance appraisals. This role is a unique opportunity for someone who likes the idea of seeing lots of complex robotic systems get built and used every year and someone who is very self-motivated to lead teams and ensure the success of these engineering projects!

Yorkville, IL7 days ago

$92,700–$154,000

New!

Naperville, IL1 day ago

$125,000–$145,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The company fosters a collaborative environment where engineers work across disciplines to solve complex technical challenges, make an impact on high-performance products, and contribute to next-generation vehicle and equipment solutions.

New!

Chicago, IL2 days ago

$185,000–$200,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Experience working with wireless communication technologies such as Bluetooth Low Energy (BLE), Zigbee, Thread, 802.15.4, or proprietary mesh networking protocols.

New!

university park, IL5 days ago

$90,000–$115,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.

New!

Bedford Park, IL3 days ago

$95,000–$120,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Decades-old metals manufacturer offering strong $$$, benefits, and great team in need of experienced Industrial Reliability Engineer to join the team!

Batavia, IL19 days ago

$183,600–$204,000

As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. Bachelor's degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) or related science OR Active/Inactive Senior Reactor Operator (SRO) license .

Orland Hills, IL7 days ago

$100,000–$130,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our state of the art facility performs every process in house including milling, turning, and rubber molding to produce top of the line of equipment used worldwide.

OAKBROOK TERRACE, IL22 days ago

$103,200–$141,900

Develops studies, plans, criteria, specifications, calculations, evaluations, design documents, performance assessments, integrated systems analysis, cost estimates, budgets, associated with the planning, design, licensing, construction, commissioning, operation, and maintenance of Exelon's electric generation, transmission, distribution, gas and telecommunication facilities/systems. We are a Fortune 200 company, 20,000 colleagues strong serving more than 10.7 million customers at six energy companies -- Atlantic City Electric (ACE), Baltimore Gas and Electric (BGE), Commonwealth Edison (ComEd), Delmarva Power & Light (DPL), PECO Energy Company (PECO), and Potomac Electric Power Company (Pepco).

Schaumburg, IL7 days ago

$85,000–$105,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Founded over six decades ago, with operations across the United States and globally, we are a manufacturing organization that develops engineered fluid power and hydraulic system solutions for demanding industrial and mobile equipment applications.

New!

Park Forest, IL2 days ago

$95,000–$110,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Requirements: 5 + years of Design Engineering and/or Manufacturing Engineering experience involving pneumatic, electrical and hydraulic systems!

New!

Chicago Heights, IL5 days ago

$90,000–$115,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.

Chicago Heights, IL7 days ago

$35–$45 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Ability to read and interpret electrical, mechanical, instrumentation, and controls documentation including PIDs, single-line drawings, instrument loop drawings, cable routing/termination diagrams, and mechanical layouts.

Joliet, IL24 days ago

$162,000–$180,000

Bachelor's degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical, or nuclear) OR related science OR License Professional Engineer OR Active/Inactive SRO License with 5 years of engineering or related experience, which shall include 1 year of nuclear power plant experience . Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department.

Minooka, IL19 days ago

$162,000–$180,000

Bachelor's degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical, or nuclear) OR related science OR License Professional Engineer OR Active/Inactive SRO License with 5 years of engineering or related experience, which shall include 1 year of nuclear power plant experience. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes.

Chicago, IL7 days ago

$90,000–$160,000 Per Year

Must be self-motivated and well versed in Data Center projects touching on large building MEP systems design, commissioning, retro-commissioning, energy modeling/analysis and construction for complex buildings. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

Chicago, IL7 days ago

$110,000–$125,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Design BAS and HVAC control systems for mission-critical environments, including control schematics, network diagrams, panel layouts, and point-to-point wiring.

New!

Lombard, IL2 days ago

$31–$50 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our work supports mission-critical applications where quality, repeatability, and hands-on expertise matter, and our shop floor culture values craftsmanship, problem solving, and continuous improvement.

Joliet, IL19 days ago

$87,000–$154,000

Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department.

Joliet, IL19 days ago

$87,000–$154,000

Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. Bachelor&rsquos degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 5 years of nuclear experience or related engineering experience.

Joliet, IL19 days ago

$92,700–$154,000

Minooka, IL7 days ago

$87,000–$154,000

Minooka, IL19 days ago

$89,000–$154,000

All other job assignments and/or duties pursuant to company policy or as directed by management to include but not limited to: (Emergency Response duties and/or coverage, Department duty coverage and/or call out, and positions outside of department in support of outage activities etc.). 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.

New!

Chicago, IL5 days ago

$100–$103 Per Hour

This position manages 5–10 concurrent projects, coordinating internal stakeholders, engineering, maintenance, construction, contractors, and vendors while ensuring delivery on scope, schedule, budget, quality, and risk management requirements. Projects typically range from $100K to multi-million-dollar investment levels and require strict adherence to nuclear, regulatory, and safety protocols.

West Chicago, IL24 days ago

$87,000–$154,000

Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department. Bachelor&rsquos degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 5 years of nuclear experience or related engineering experience.

Joliet, IL19 days ago

$122,400–$154,000

New!

Chicago Ridge, IL4 days ago

Full-time

Willingness to work the required schedule, work at the specific location required, complete Penske employment application, submit to a background screening (to include criminal checks, past employment and education), the ability to pass a drug screen and physical as required by the Department of Transportation, and potential travel within a near geography for training are required. • Doing preventative maintenance repairs—like replacing or rotating tires—and completing vehicle component lubrication and replacement, some electrical system repairs, and cooling system maintenance on gas and diesel engine vehicles.

Minooka, IL7 days ago

$79,200–$88,000

Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. All other job assignments and/or duties pursuant to company policy or as directed by management to include but not limited to: (Emergency Response duties and/or coverage, Department duty coverage and/or call out, and positions outside of department in support of outage activities etc.).

New!

Northfield, IL2 days ago

The Senior Design Engineer provides technical expertise, mentors junior engineers, and drives design excellence throughout the product development lifecycle, contributing to successful product launches and continuous improvement efforts. Guide cross-functional collaboration with product management, clinical, regulatory, and quality teams to define user needs and translate them into actionable design specifications.

Channahon, IL12 days ago

Mundelein, IL13 days ago

Tasks include, but are not limited to, light bulb/ballast replacement, door repairs, furniture installation, ceiling tile replacement, carpentry duties, plumbing repairs and maintaining operation logs. Follow appropriate safety procedures such as Lock Out/Tag Out, Arc Flash, etc. and use Personal Protective Equipment (PPE) while maintaining equipment, and ensure a safe work environment by eliminating potential equipment safety hazards.

Chicago30+ days ago

Whether it’s developing new and exclusive costumes, quality testing products, or implementing technology solutions, our teams understand the value of working collaboratively to embrace change through innovation, curiosity, and thoughtfulness. Technicians will collaborate with store teams and managers to troubleshoot animatronic and other store operations issues and conduct timely repairs to minimize damage discard rates.

Chicago, IL30+ days ago

Remote

$200,000–$240,000 Per Year

JOB SUMMARY: + Act as the primary point of contact for clients, responding to their inquiries and concerns in a timely and professional manner + Develop and maintain strong relationships with clients, regularly communicating with them to understand their needs and expectations + Coordinating with multiple disciplines and acting as lead mechanical engineer to ensure that projects are delivered within budget and on schedule while managing the mechanical team including HVAC, fire protection, plumbing + Develop detailed specifications for mechanical equipment, including pumps, fans, and air handling units. **Job Description** **AECOM** is seeking a **Senior Mechanical Engineer** with experience on **Hyperscale Data Center projects** to act as Data Center Mechanical Engineer Lead **.** The job incumbent will be responsible for designing and overseeing the construction of mechanical systems for hyperscale data centers, including HVAC, piping and fire suppression systems.

East Chicago, IN30+ days ago

The Company is vertically integrated from mined raw materials, direct reduced iron, and ferrous scrap to primary steelmaking and downstream finishing, stamping, tooling, and tubing. Under the guidance of appropriate supervisory personnel, a mechanical engineering intern will utilize engineering and technology principles to assist in the performance of engineering duties.

Chicago, IL30+ days ago

Remote

$200,000–$260,000 Per Year

Professional Engineer License (P.E.) is required + Direct experience supporting data center projects **Preferred Qualifications:** + Experience working with hyperscale or colocation clients + Experience managing large multi-disciplinary design teams + Experience with Design-Bid-Build and Design-Build delivery models **Additional Information** + Relocation is not available for this role. **Qualifications** **Minimum Qualifications:** + Bachelor’s degree in Mechanical Engineering plus twelve (12) years of relevant experience in mechanical design and/or mechanical engineering, with a focus on data center infrastructure, or demonstrated equivalency of experience and/or education, including 4 years of leadership experience.

Chicago, Illinois30+ days ago

$142,710–$215,440 Per Year

Since 1954, we’ve been a trusted leader in nuclear engineering, design, and licensing, with expertise spanning small modular reactors (SMRs), advanced reactor technology (ART), and first-of-a-kind commercial reactor restart projects. Our work supports life extensions and digital modernization of existing nuclear plants, coal-to-nuclear conversion initiatives with the Department of State, and international nuclear new-build projects.

Lemont, IL30+ days ago

$70,758–$117,925 Per Year

_Argonne employees, and certain guest researchers and contractors, are subject to particular restrictions related to participation in Foreign Government Sponsored or Affiliated Activities, as defined and detailed in United States Department of Energy Order 486.1A. The pay offered to a selected candidate will be determined based on factors such as, but not limited to, the scope and responsibilities of the position, the qualifications of the selected candidate, business considerations, internal equity, and external market pay for comparable jobs.

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Mechanical Engineering Jobs in Westchester, IL

Mechanical Engineer - Civil Jobot

Senior Mechanical Engineer (Construction/HVAC) Jobot

Mechanical Design Engineering Supervisor, Nuclear System One

Lead Mechanical Engineer HVAC Jobot

Mechanical Commissioning Engineer Jobot

Project Manager (Mechanical Contractor) - Hybrid schedule** Jobot

Electrical / Mechanical Engineer Constellation Energy

Engineer, Mechanical Sr Constellation Energy

Engineer, Sr. Mechanical Constellation Energy

Mechanical Project Engineer PEAK Technical Staffing

Mechanical Engineer PE System One

Estimator (Mechanical Contractor) Jobot

Engineer, Mechanical Constellation Energy

Mechanical Robotics Design Supervisor Framatome

Engineer, Mechanical / Civil Structural Constellation Energy

Lead Vehicle Systems Engineer Jobot

Firmware Engineer Jobot

Design Engineer (Hydraulics) Jobot

Reliability Engineer Jobot

Engineering, Sr Manager Constellation Energy

Manufacturing Engineer Jobot

Senior Engineer - T&S Engineering Programs Exelon

Valve Design Engineer Jobot

Design Manufacturing Engineer (hydraulics) Jobot

Process Engineer Jobot

Controls Technician Jobot

Engineering, Manager Constellation Energy

Manager Engineering Constellation Energy

Commissioning Engineer (Data Centers) Jobot

Senior Design Engineer – Mission Critical Controls Jobot

Senior CNC Machinist/Programmer Jobot

Engineer, In-Vessel Visual Inspection Constellation Energy

Engineer, Electrical Analytical Constellation Energy

Engineer, Electrical Constellation Energy

Electrical Engineer Constellation Energy

Electrical Systems Engineer Constellation Energy

Project Manager – [Capital Facilities and Construction Projects] /Per Diem System One

Structural Engineer Constellation Energy

Engineer, Sr. Structural/Civil Constellation Energy

Diesel Technician/Mechanic III - Entry Level Penske

Reactor Engineer Constellation Energy

Sr Design Engineer Medline Industries - Transportation & Operations

Diesel Technician/Mechanic III - Entry Level Penske Truck Leasing Co., L.P.

Maintenance Tech I Medline Industries - Transportation & Operations

Temporary Field Service Animatronic Technician (Schaumburg - Naperville - St.Charles) UNAVAILABLE

Mechanical Engineering Lead, Data Centers - Remote (U.S.) AECOM

Mechanical Engineering Intern Cleveland-Cliffs Inc.

Mechanical Engineering Director, Data Centers - Remote (U.S.) AECOM

Mechanical Engineering Consultant 2 (Power Uprates) - Nuclear Sargent & Lundy

Postdoctoral Appointee – Mechanical Engineering Argonne National Laboratory

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