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15 principal mechanical engineer jobs found

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principal mechanical engineer Illinois
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Fe
Mar 02, 2026
Full time
Principal Mechanical Engineer
Fermilab Batavia, IL
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...
Ka
Apr 26, 2026
Full time
Principal Mechanical Engineer, Ball Screws
Kaney Rockford, IL
The Principal Engineer for Ball Screw Design & Development serves as the technical authority for precision ball screw mechanisms used in aerospace, defense, medical, and industrial applications. This role owns the design architecture, analytical approach, materials selection, manufacturing methods, and validation strategy of new ball screw products. The Principal Engineer provides deep subject-matter expertise, leads complex development efforts, and mentors engineering teams to ensure product performance, reliability, and manufacturability. Major Responsibilities: Lead the design, development, and analysis of ball screw assemblies, including screw shafts, nuts, return systems, recirculation mechanisms, and drive interfaces. Define ball screw geometry, preload strategy, lead accuracy, life requirements, and lubrication approaches based on system needs and environmental constraints. Perform detailed analytical modeling: load distribution, Hertzian contact stress, fatigue...
Ne
Aug 05, 2026
Full time
Technical Leader - Principal Mechanical Design Engineer
Nemera Chicago, IL
Company Description With sales of €700m and 3,300 employees worldwide, Nemera is one of the leading global manufacturers of complex drug delivery systems for the pharmaceutical industry, offering to patients a broad product portfolio which includes inhalation devices, injection devices, nasal and dermal pumps and ophthalmic delivery devices. Nemera has built very long lasting, strong relationships with the leading global pharmaceutical companies globally by providing high quality development, industrialization and manufacturing services. Nemera develops and manufactures its own IP product platforms but also offers also fully custom developments and contract manufacturing. Nemera's manufacturing sites are located in the US, France, Germany, Brazil and Poland. The headquarters and Innovation Center for early device design and development are located in France (Lyon). We have big ambitions at Nemera! We are growing our franchises and strengthening our capabilities. Job...
SG
Aug 05, 2026
Full time
Sr. Ball Screw Mechanical Engineer - Aerospace
$150,000 - $210,000 yearly
SkillsetGroup Rockford, IL
Skillset Group is seeking a Senior Ball Screw Mechanical Engineer to work in either Rockford, IL or Freeland, MI. The Senior Ball Screw Design Engineer will lead the design, development, and continuous improvement of high-precision ball screw assemblies used in aerospace, defense, medical, and industrial applications. This role serves as the primary technical expert, partnering with customers, vendors, and manufacturing teams to develop innovative designs, optimize manufacturing processes, and ensure product performance and reliability. The ideal candidate has extensive ball screw design experience, a strong mechanical engineering background, and thrives in a hands-on environment with the opportunity to build and lead a growing engineering team. This is a DIRECT HIRE OPPORTUNITY on 1st shift. Please send your resume to rmills@skillsetgroup.com. Principal Mechanical Engineer DIRECT HIRE OPPORTUNITY!!! Pay: $150-210K/yr. Location: Rockford, IL or...
MJ
Aug 05, 2026
Full time
Principal Mechanical Design Engineer
$125,000 - $155,000 yearly
Mi-Jack Products Hazel Crest, IL
Summary of Position: Serves as a principal-level technical leader within the Structural & Cab Engineering Team. This role operates with a high degree of autonomy, provides subject matter expertise on complex mechanical and structural design assignments, and leads the translation of engineering direction into executable plans. The position is intended to provide senior technical leadership and succession capability for future engineering leadership needs. Responsibilities : Plan, conceptualize, and create mechanical designs for new and existing products while ensuring alignment with broader product, quality, manufacturability, and business objectives. Serve as a subject matter expert for complex mechanical and structural systems, including machine structures, winches/gearboxes, motors, sheaves, drums, enclosures, operator cabs, and related equipment systems. Develop mechanical and structural connection designs, including bolted, pinned, and welded connections, and guide...
AC
Aug 05, 2026
Full time
Principal Mechanical Design Engineer
Amaris Consulting Chicago, IL
Job description We are seeking an experienced Technical Lead - Mechanical Design Engineering to oversee and guide mechanical design activities across multiple product development programs. This role requires a hands-on engineering leader with strong product development expertise, excellent technical problem-solving skills, and the ability to collaborate across multidisciplinary and multi-site teams. The ideal candidate will have experience in high-volume manufacturing environments, injection molding, and medical device or regulated industries. Location & Work Mode Location: Chicago Work Mode: Hybrid / On-site Employment Type: Full-Time / Contract Key Responsibilities Coordinate and lead technical design teams across one or more development programs in a multi-disciplinary and multi-site environment. Develop and communicate technical action plans while aligning priorities with internal and external stakeholders. Support planning activities...
Rp
Aug 05, 2026
Full time
Service & Support Engineer
$85,000 - $95,000 yearly
Renishaw plc Remote (West Dundee, IL)
Job Description Renishaw is a global technology company with core skills in measurement, motion control, healthcare, spectroscopy and additive manufacturing products. We are looking to recruit a Service and Support Engineer. Based out of the West Dundee, IL office, travel expectations for this role typically exceed 75%. This is an excellent opportunity to use your technical knowledge along with interpersonal skills to deliver service, advice and support to include the installation, maintenance and repair of Renishaw's innovative 3D Additive Manufacturing products. You will help ensure coverage of our customer base and maintain Renishaw's reputation for high quality service and response. Principal Duties & Responsibilities Assist customer on site specific location preparations. Installation, commissioning of new machines & ancillary equipment at customer site. General safety, operation and maintenance training. Perform specified preventive maintenance task....
So
Aug 05, 2026
Full time
Principal Engineer
$150,000 - $225,000 yearly
Socotec Chicago, IL
Company Description SOCOTEC is a provider of niche consulting services within the architecture, engineering, and construction industries, focusing on high-performance buildings and specialty structures. Through an integrated, holistic approach, our professionals provide solutions for building envelopes, energy efficiency, sustainability, code advisory, and construction advisory projects. SOCOTEC's combination of expertise, experience, and methods is increasingly recognized as best-in-class, fueling significant growth. SOCOTEC offers competitive salary and benefits, mentorship, training, and social activities. SOCOTEC is proud to announce that it has been officially certified as a Great Place to Work by the renowned global authority on workplace culture, Great Place to Work®. Job Description We are looking for a Principal Engineer with 10-25 years of design and field experience. Responsible for conducting field investigations, analysis and design Interact with clients...
Rp
Dec 19, 2025
Full time
Service & Support Engineer-Additive Manufacturing
Renishaw plc Remote (West Dundee, IL)
Job Description Renishaw is a global technology company with core skills in measurement, motion control, healthcare, spectroscopy and additive manufacturing products. We are looking to recruit a Service and Support Engineer. Travel expectations for this role typically exceed 90%. This is an excellent opportunity to use your technical knowledge along with interpersonal skills to deliver service, advice and support to include the installation, maintenance and repair of Renishaw's innovative 3D Additive Manufacturing products. You will help ensure coverage of our customer base and maintain Renishaw's reputation for high quality service and response. Principal Duties & Responsibilities Assist customer on site specific location preparations. Installation, commissioning of new machines & ancillary equipment at customer site. General safety, operation and maintenance training. Perform specified preventive maintenance task. Diagnose and complete recommended repairs...
CM
Aug 05, 2026
Full time
Controls Engineer
$70,000 - $100,000 yearly
CivicMinds, Inc. Sterling, IL
Position: Controls Engineer Location: Sterling, IL Type: Full-time | On-site Position Summary: Work under the direction of the project managers to create PLC & HMI applications for weighing and batching or material handling applications as well as assist with electrical design and project approval tasks as needed. In house and field checkout of industrial control panels and other equipment. Provide customer support during start up as well as troubleshooting . . Principal Responsibilities: Create well documented approval packages that include Sequence of Operations Front panel layouts Equipment and I/O lists PLC and HMI programming Conduct in-house checkout of completed systems Assist Production Technicians as needed with installation of components Write detailed instruction manual for completed project Communicate and request technical information with vendors and customers Research new technology available in market Assist...
RW
Aug 05, 2026
Full time
Principal Engineer, Solar PV Tech Assessment
$194,000 - $206,000 yearly
RWE Chicago, IL
RWE Americas, LLC To start as soon as possible, full time, permanent Functional area: Engineering Remuneration: Exempt The Principal Engineer, Solar PV Energy Production, is a senior individual-contributor role responsible for elevating the technical quality and long-term defensibility of energy production work across the project lifecycle. Reporting to the VP of Solar PV Systems, this role owns the methodological backbone of solar modeling practices such as early-stage production modeling best-practices, post-COD reconciliation with FID assumptions, production uncertainty modeling, proactive coordination for execution phase and the integration of emerging analytical capabilities into engineering workflows. This person sets the standard for how the company models, validates, and continuously improves energy yield estimates across utility-scale solar assets, and is expected to work with meaningful autonomy on problems that span development, construction, and operations....
Co
Aug 05, 2026
Full time
R&D Engineer (Protein Processing Technology)
$80,000 yearly
Cozzini LLC Elk Grove Village, IL
Job Type Full-time Description Do you want to design machinery that shapes the future of global food production? Are you looking for a role where you can jump from 3D CAD modeling to building and testing a physical prototype on the shop floor in the same week? Cozzini, LLC is looking for an R&D Engineer to join our innovation engine. We don't just build machines; we engineer advanced capital equipment solutions that help the protein industry run faster, cleaner, and more sustainably. If you have a passion for complex machine design, automation, and hands-on problem-solving, this is your sandbox. What You'll Do: Invent and Improve: Conduct research into emerging industry trends to design and develop cutting-edge machinery for food processing applications. Build and Break Prototypes: Move designs out of the computer and into reality. You will build, test, and validate prototypes, push them to their limits, analyze performance data, and refine them for market...
II
Aug 05, 2026
Full time
Product Design Engineer
$85,000 - $126,800 yearly
ITT Inc.-English Chicago, IL
About ITT: ITT Inc. (NYSE: ITT) is a diversified global leading manufacturer of highly engineered critical components and customized technology solutions serving the flow, aerospace and defense, transportation, industrial, and energy markets. Through operational execution, innovation, and disciplined capital deployment, including strategic acquisitions such as SPX FLOW, ITT partners with its customers to deliver enduring solutions to the key industries that underpin our modern way of life. Headquartered in Stamford, Connecticut, ITT has a market cap of roughly $20 billion and employs more than 15,000 people across 40 countries and serves customers in approximately 125 countries. Following the acquisition of SPX FLOW, the company is expected to generate $5.4 billion in annual revenue. Our businesses are organized in three distinct segments, each based around our core engineering DNA: Flow Technologies: A global leader in, providing a broad portfolio of pumps, valves, mixing...
Ka
Aug 05, 2026
Full time
Mechanical Engineer
$85,000 - $125,000 yearly
Kaney Rockford, IL
Job Summary: Kaney is seeking a Senior Mechanical Engineer focused on design and analysis of electromechanical actuation systems and components. You will drive the mechanical design, analysis, and testing of products to ensure they meet performance, safety, manufacturability, reliability, and certification requirements. Major Responsibilities: Perform trade studies between alternative actuator design concepts to determine optimal approach Ensure designs meet weight, envelope, performance, manufacturability, and cost targets Perform stress, fatigue, and modal analyses with hand calculations and FEA tools to verify designs under various loading conditions Determine appropriate bearing arrangements and sizes for new product designs Develop detailed 3D CAD models and engineering drawings for rotary and linear actuators Conduct tolerance stack-up analyses on new and existing products Collaborate with systems and electrical engineering to integrate motors, sensors, drives,...
MI
Feb 04, 2026
Full time
Mechanical Engineer
Mueller Industries IL
Location: Bluffs, Illinois Salary Range: $50,000-$80,000 GENERAL DESCRIPTION We are looking for a mechanical engineer to add to our team. This role will include manufacturing support, utilizing product sizing software to select the ideal product for customer requirements, and supporting the Sales Team by modeling customer specific designs in 3D CAD with a 2D detailed drawing. Longer term activities include product design for manufacturing, design revisions to accommodate new refrigerants entering the industry, and new design concepts to remain competitive. Westermeyer Industries is excited to share the new career opportunities that are coming as we complete our new world-class facility. We are making a bold investment in the future with all new equipment and exciting career opportunities. Join our team and grow with us! COMPANY DESCRIPTION Westermeyer Industries designs, manufactures, and distributes high-quality components and accessories for the refrigeration and...
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