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136 senior mechanical design engineer jobs found

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senior mechanical design engineer Illinois
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IE
Dec 18, 2025
Full time
Senior Mechanical Design Engineer (MEP)
Interface Engineering Chicago, IL, USA
Join a People-First, Employee-Owned Firm That's Redefining Flexibility and Growth Senior Mechanical Design Engineer (MEP) - Chicago, IL (Hybrid) Interface Engineering Inc. At Interface Engineering, we believe your career should be as dynamic and rewarding as the projects you support. As a 100% employee-owned firm, we're proud to offer our Collaboration from Home policy-giving you the flexibility of a hybrid schedule (at least 2 days/week in-office) while staying connected to a team that values innovation, inclusion, and impact. Why Interface? We're not just engineers-we're collaborators, mentors, and trailblazers in high-performance design. Our Pathway to Leadership program offers a transparent, personalized roadmap for career advancement, empowering you to grow in the direction that excites you most. Our Culture Interface has the company culture and work environment you have been seeking! You'll find a workplace with a culture of fun, superior work/life balance...
PB
Jan 14, 2026
Full time
Sr. Mechanical Design Engineer
Pacific Bearing Co Roscoe, IL, USA
Senior Mechanical Design Engineer - Pioneer the Future of Linear Motion PBC Linear, a recognized leader in linear motion innovation , is seeking a highly skilled Sr Mechanical Design Engineer to join our Product Engineering team. For over 40 years, PBC Linear has pioneered the industry, establishing leadership through developments like the self-lubricating plain linear bearing. We are a major US manufacturer committed to engineering excellence and supplying precision components, guides, rails, and advanced actuators. This is a critical, hands-on engineering role focused on driving innovation within the linear motion industry . If you thrive on tackling complex engineering challenges, owning projects from concept to completion, and pushing the boundaries of mechanical design, we want to hear from you. What You Will Master: Analysis, Design, and Validation As a Senior Mechanical Engineer reporting to Product Design Engineering Manager, you will play a vital role in...
ME
Mar 04, 2026
Full time
Mechanical Engineering II
$92,800 - $113,200 yearly
Milhouse Engineering and Construction, Inc. Remote (Chicago, IL, USA)
The Mechanical Engineering II will perform mid to high level complexity design, conduct technical analysis, and support the full project lifecycle under the supervision of a Senior Engineer. The Mechanical Engineering II is capable of handling moderately complex tasks and lead small projects independently. Typical design work includes HVAC or Plumbing and Fire Protection design and associated calculations, plumbing systems design, hydronic systems design and flow /pressure calculations, sizing and specifying of mechanical equipment such as boilers, lift stations, pump stations, pumps and chillers, plumbing systems design and selection, fire protection system design, underground utilities coordination and specification production. What you will do: Design to client and regulatory requirements Manage mid to large size projects including coordination with the client and other consultants, document production, attendance at design meetings, correspondence with clients and...
GR
Mar 04, 2026
Full time
Senior Mechanical Engineer in Chicago, IL
GD Resources LLC Chicago, IL, USA
Senior Mechanical Engineer Location: Champaign, IL Employment Type: Full-Time Work Model: On-site preferred (Hybrid/Remote considered) Salary Range: $110,000 - $150,000 annually Local candidates only Job Summary An established, multidisciplinary engineering consulting firm is seeking an experienced Senior Mechanical Engineer to join its Illinois-based team. This role supports a diverse portfolio of projects across government, higher education, healthcare, and manufacturing sectors . The ideal candidate brings strong technical expertise, leadership capability, and the ability to manage complex mechanical systems from concept through construction. Key Responsibilities Serve as a senior mechanical engineer across all phases of project development, including client coordination, pre-design, final design, site visits, meetings, and project management Conduct existing conditions surveys and document findings using PFDs, P&IDs, layouts, sections, elevations,...
Fe
Mar 02, 2026
Full time
Principal Mechanical Engineer
Fermilab Batavia, IL, USA
The expected hiring range for this position is: $124,800.00-$164,200.00. Please note that the pay range information is a general guideline only. The pay offered to a selected candidate will be determined based on factors such the scope and responsibilities of the position, qualifications of the selected candidate, business considerations, internal equity, and external market pay for comparable jobs. About the Role: The Fermilab Infrastructure Services Division (ISD) is seeking a Principal Mechanical Engineer . This individual is responsible for major, complex, high-level engineering projects requiring engineering creativity in developing innovative concepts and techniques. The (ISD) Principal Mechanical Engineer leads and contributes to projects in areas such as design, design review, procurement, manufacture, installation, test, and initial operations of a project with extensive & diversified engineering requirements in compliance with all applicable local, state, and...
Pe
Mar 01, 2026
Full time
Senior Mechanical Engineer
Permobil Belleville, IL, USA
Senior Mechanical Engineer Would you like to work in an international environment where you'll make a difference every day? At Permobil, we're looking for game-changers to join us as we innovate for individuals and develop the world's most advanced assistive solutions. At Permobil, the people who use our products come first. Our purpose is to create advanced assistive solutions that make the lives of adults and children living with disabilities more enriching. Our people are passionate about pushing the boundaries of technology to deliver innovations that improve lives. We are a sustainable and responsible business committed to continuous improvement, and our customers can trust us to provide market-leading solutions driven by insights-based clinical data.ThePrincipal Process Engineer will play a key role in designing, implementing, andimproving manufacturing systems and processes within an Agile environment. Thisrole blends engineering fundamentals, data-driven decision...
BA
Feb 27, 2026
Full time
Senior Mechanical Engineer
$105,000 - $165,000 yearly
BR+A Consulting Engineers Chicago, IL, USA
Founded in 1975, BR+A Consulting Engineers maintains a total staff of over 500 employees located at our main office in Boston and branch offices in New York City, NY; Philadelphia, PA; Vienna, VA (Washington, DC); Coral Gables, FL (Miami); Chicago, IL; St. Louis, MO; Tampa, FL; Charlotte, NC; Charleston, SC; Houston, TX; New Haven, CT; Los Angeles, CA; and Toronto. BR+A provides state-of-the-art integrated and coordinated mechanical, electrical, plumbing and fire protection consulting engineering, technology systems design, sustainability consulting, lighting design, and building commissioning services. BR+A is seeking an experienced Senior Mechanical Engineer in our Chicago, IL office. The candidate must be strongly motivated, well organized, and show professional initiative The ability to take ownership of assignments and perform well both independently and as part of the project team is necessary. The ideal candidate will possess a strong working knowledge of Revit, and their...
BW
Feb 27, 2026
Full time
Sr. Mechanical Engineer, PE
Barry-Wehmiller Companies Oak Brook, IL, USA
About Us: BW Design Group is a fully integrated architecture, engineering, construction, system integration, and consulting firm committed to helping our clients realize their most critical goals from Strategy to Commercialization. As the only firm born from a manufacturing technology company to become an independent and fully integrated firm, we combine deep domain expertise in the manufacturing environment with an approach that is built to serve the dynamic needs of our clients. Rooted in our distinct culture of Truly Human Leadership, we cultivate the leaders who will define tomorrow and partner with our clients in the food & beverage, life sciences, industrial, and advanced technology industries to build the future of manufacturing and technology. Barry-Wehmiller is a diversified global supplier of engineering consulting and manufacturing technology for the packaging, corrugating, sheeting and paper-converting industries. By blending people-centric leadership with...
FG
Feb 27, 2026
Full time
Electrical Controls Engineer
Filtration Group Corp Sauget, IL, USA
Overview Job Summary The Electrical Controls Engineer is responsible for designing, developing, programming and troubleshooting control systems throughout the manufacturing facility. The Engineer be responsible for developing machine designs starting from the design input phase through validation/production handoff activities. The Engineer will also be responsible for continuous improvement initiatives by implementing machine upgrades to both custom built machines as well as off the shelf/purchased machines to improve productivity as well as safety. The position also requires regularly assisting the Maintenance staff with electrical troubleshooting of the various machines in the facility. Responsibilities Essential Duties Assists the Project Engineering team with developing design inputs from operations, developing electrical and pneumatic BOM's and schematics, mechanical assembly, wiring, programing PLC and HMI control systems, debug/troubleshooting, assisting...
CP
Feb 26, 2026
Full time
Utilities Engineer, HVAC & Clean Systems
CSL Plasma Kankakee, IL, USA
The Utilities Engineer is responsible for oversight of design, engineering, safety and quality support in the following utility equipment systems: Clean Steam, Purified Water, WFI and RO Systems, HVAC Systems, Plant Steam Systems, Co-Generation Units, Process Chillers, Compressed/Process Air, Nitrogen, Ammonia Chillers and Refrigeration Process, Alcohol Distillation and Recovery Process, Process Gases, Natural Gas, Bulk Chemical Distribution, Solvent Gas Detection systems, Fire Alarm, Control and Protection Systems, Electrical Systems, Water, Cooling towers and Waste Treatment systems for the Kankakee facility. This individual will work closely with a cross-functional team to meet the needs of the groups they support. Role that this position reports to: Sr. Manager, Utilities Engineering Positions reporting into this role: N/A Responsibilities: 1.Technical lead accountable for the operational improvement of the utility systems based upon industry trends and emerging...
JA
Feb 26, 2026
Full time
Senior Project Engineer I
J A Watts Inc Lisle, IL, USA
J. A. Watts, LLC. (JWI) is a woman-founded professional services firm that believes in treating its clients and employees like family at every level of our company. Our family culture is what we're known for, and we work to stay true to who we are. That's how we manage our projects and how we recruit THE Best People in our industry. Our clients come from all walks of life, and so do we, which makes us stronger together. The Senior Project Manager I role will manage all areas of projects including oversight and engineering design, procurement, and construction inspection. The Senior Project Manager I will also lead and support a multi-discipline team through the development of designs for electrical power distribution systems, transportation systems, roadway lighting, intelligent transportation system (ITS), vehicle charging stations, pump stations, and fiber optic networks. The Senior Project Engineer I will play an active role in the development of plans, specifications,...
TP
Feb 26, 2026
Full time
Senior Manufacturing Engineer
Technical People Schaumburg, IL, USA
Senior Manufacturing Engineer Schaumburg, IL Our client is hiring a Senior Manufacturing Engineer! Responsibilities of the Senior Manufacturing Engineer Serve as an on-the-shop floor go-to Senior Manufacturing Engineer for CNC machinery and automation in an ISO-9001 Certified company You will use your SolidWorks and AutoCAD to develop new fixtures, jigs and tools used in the assembly of tight tolerance CNC machined metal components Use AutoCAD to develop new and improved facility layouts and work cells Serve as a liaison for testing and NPD for new products Maintain the Routings and Work Instructions Assist with the optimization of designs and be involved with Design for Manufacturability reviews Be involved with or be willing to learn CNC machine setups and programming Serve as a liaison with outside suppliers who support facility upgrades and support the infrastructure Requirements of the Senior Manufacturing Engineer Bachelor's degree in mechanical,...
Cl
Feb 25, 2026
Full time
Senior Mechanical Engineer - Mission Critical
$125,000 - $165,000 yearly
Clayco Chicago, IL, USA
About Us Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations. With $7.6 billion in revenue for 2024, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for industrial, commercial, institutional, and residential related building projects. About LJC LJC Design & Engineering is a full-service architecture, engineering, and design firm committed to enhancing the quality of the human experience through integrated design. We are a team of high-energy professionals who share a passion for design, a collaborative approach, and a casual culture. We solve challenges by leveraging the collective expertise and ingenuity of the best and brightest minds across development, design, and construction. The Role We Want You For The...
Su
Feb 20, 2026
Full time
Senior Design Engineer
Suncast Batavia, IL, USA
Suncast Corporation is the leading US-based designer, manufacturer, and distributor of high-quality resin products for the home and industrial markets. A privately held company headquartered in Western Chicago, Illinois, Suncast prides itself on 35 years of innovation and sustainability across a wide range of product categories with materials proudly sourced in the USA. Everything we do is supported by the strength and ingenuity of American workers and we are committed to helping families across the country make the most of their unique spaces. We utilize state-of-the-art machinery and innovative manufacturing techniques to consistently engineer products of the highest possible quality. The Senior Design Engineer is responsible for taking a product concept and developing it into a finished product. The Senior Design Engineer will lead all project-based activities from initial CAD design until production to successfully deliver projects on time, cost, and quality. Creates and...
Su
Feb 20, 2026
Full time
Design Engineer
Suncast Batavia, IL, USA
Suncast Corporation is the leading US-based designer, manufacturer, and distributor of high-quality resin products for the home and industrial markets. A privately held company headquartered in Western Chicago, Illinois, Suncast prides itself on 35 years of innovation and sustainability across a wide range of product categories with materials proudly sourced in the USA. Everything we do is supported by the strength and ingenuity of American workers and we are committed to helping families across the country make the most of their unique spaces. We utilize state-of-the-art machinery and innovative manufacturing techniques to consistently engineer products of the highest possible quality. The Design Engineer is responsible for taking a product concept and developing it into a finished product. He or she must consider the manufacturing processes and materials we use at Suncast. The manufacturing process and materials must meet the target cost and margin criteria. Design Engineers...
CT
Feb 18, 2026
Full time
Mechanical Systems Engineer
CenTrio Chicago, IL, USA
Who is CenTrio? CenTrio is a leading provider of sustainable energy services for higher education, healthcare campuses, and cities, managing utility infrastructures across 10 U.S. cities and serving over 170+ million square feet. We deliver efficient electricity, steam, hot water, and chilled water, offering reduced costs, lower emissions, and exceptional reliability. As a subsidiary of a global Infrastructure Investment Consortium, CenTrio benefits from strong financial backing and manages high-quality, long-term assets that ensure stable, growing cash flows. CenTrio is planning an aggressive growth strategy during the next 30 years. CenTrio will expand the existing district energy systems, build new systems in other parts of the cities already located, pursue growth to expand its public-private partnerships with higher education and healthcare customers (both Design-Build-Finance-Operations-Maintain and other types of long-term concession arrangements), add to its power...
Fe
Feb 12, 2026
Full time
Senior Mechanical Thermal-Fluids Engineer
Fermilab Batavia, IL, USA
The expected hiring range for this position is: $111,400.00-$146,600.00. Please note that the pay range information is a general guideline only. The pay offered to a selected candidate will be determined based on factors such the scope and responsibilities of the position, qualifications of the selected candidate, business considerations, internal equity, and external market pay for comparable jobs. About the Role: Fermilab is seeking a Senior Mechanical Thermal-Fluids Engineer to lead the Thermal-Fluids Engineering Group who is a collaborator by nature and who seeks out the latest technology and tools to design, fabricate, test, install and operate components and systems for our particle accelerators. We use the latest technology such as ANSYS, NASTRAN, Siemens NX, and additive manufacturing (3D printing) to model, simulate, prototype, and test our designs. We work with vendors who stretch their technical abilities to fabricate the next generation of components and systems....
WS
Feb 11, 2026
Full time
Senior Electrical Engineer (Controls)
WaterSurplus Loves Park, IL, USA
Hawkins, Inc./WaterSurplus is a trusted and well-known leader in the chemical industry for over 80 years. We have opportunities for motivated hard workers to learn and develop a career with our Water Treatment business segment. Our route sales/delivery approach to supplying products and equipment to our customers in 27+ states ensures superb customer service and support. Our customers include water and wastewater treatment systems, municipal and commercial swimming pools, industrial process and wastewater facilities, and industries like oil/gas and agricultural farmers/growers. Learn more about us at www.hawkinsinc.com (NASDAQ: HWKN). ABOUT THE JOB The Senior Electrical Engineer is responsible for designing, directing, and coordinating instruments and controls electrical engineering across all products, including new equipment, rental fleet, surplus assets, and investment recovery. DUTIES AND RESPONSIBILITIES Designs or reviews customer specifications to ensure...
Ha
Feb 11, 2026
Full time
Senior Electrical Engineer (Controls)
Hawkins Loves Park, IL, USA
Hawkins, Inc./WaterSurplus is a trusted and well-known leader in the chemical industry for over 80 years. We have opportunities for motivated hard workers to learn and develop a career with our Water Treatment business segment. Our route sales/delivery approach to supplying products and equipment to our customers in 27+ states ensures superb customer service and support. Our customers include water and wastewater treatment systems, municipal and commercial swimming pools, industrial process and wastewater facilities, and industries like oil/gas and agricultural farmers/growers. Learn more about us at www.hawkinsinc.com (NASDAQ: HWKN). ABOUT THE JOB The Senior Electrical Engineer is responsible for designing, directing, and coordinating instruments and controls electrical engineering across all products, including new equipment, rental fleet, surplus assets, and investment recovery. DUTIES AND RESPONSIBILITIES Designs or reviews customer specifications to ensure...
II
Feb 05, 2026
Full time
Senior Mechanical Engineer
$110,000 - $127,000 yearly
INX International Ink Co. West Chicago, IL, USA
Company Description In a world of vibrant color, INX stands out by blending art, science, and sustainability into every drop of ink we make. We're globally recognized for our innovation, and we're A Great Place to Work-Certified™ company! INX International is the third largest producer of inks in North America with full-service subsidiaries in Europe and South America. We offer a complete line of ink and coating solutions technology for commercial, packaging and digital applications. We expertly blend pioneering technology with a deep commitment to the environment. Dedicated to coloring a safe and sustainable future one print at a time, you can see our color chemistry on beverage cans, food and household packaging, clothing, banners, billboards and more. Investing in and protecting our employees is the key to our success. Our average employee has been with us 12 years, and we recognize the significant experience and the continuous dedication of our team members. We're...
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