49 principal engineer jobs at 28 companies in Morris, IL
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Engineer, Principal
Naperville, Illinois, United States
$109k-$159k/yr OnsiteFull Time
7+ YOE7+ years of software architecture/engineering experience; cloud and DevOps focus; strong leadership in architecture decisions.
CSharp, Python, Angular, SQL, AWS, Azure, GCP, CI/CD tooling
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Engineer, Principal
Naperville, Illinois, United States
$109k-$159k/yr OnsiteFull Time
7+ YOE7+ years in software development; expertise in C#, Python, Angular, SQL; cloud platforms (AWS/Azure/GCP); architecture and platform engineering; CI/CD; bachelor’s degree preferred or equivalent coding education.
C#, Python, Angular, SQL, AWS, Azure, GCP, CI/CD, Version Control, Cloud Platforms
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Principal Controls Engineer (Team Lead)
Oak Creek, Wisconsin, United States
OnsiteFull Time
8+ YOE8+ years of progressive controls engineering experience in manufacturing; strong PLC/HMI, industrial networking, project leadership
Allen-Bradley PLC, Siemens PLC, HMI/SCADA, FactoryTalk View, Ignition, AutoCAD Electrical, EPLAN
3mo
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Principal Product Design Engineer - United States
Lisle, Illinois, United States
$125k-$170k/yr OnsiteFull Time
10+ YOEBachelor’s in Mechanical Engineering; 10+ years in electro-mechanical design; experience with electronics product development, FEA, GD&T; advanced 3D CAD; experience with manufacturing processes.
Siemens NX, FEA, GD&T, 3D CAD, Mechanical design tools
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Principal Engineer, Quality
Tinley Park, Illinois, United States
$120k-$130k/yr OnsiteFull Time
5+ YOE5+ years quality engineering experience, failure analysis and root cause expertise, familiarity with FMEAs, control plans, MRB, 8D, ISO9001/AS9100, strong communication and statistical skills, BS in engineering.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, SEM, FIB
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Principal Software Engineer, Android
Milwaukee, Wisconsin, United States
$112k-$154k/yr OnsiteFull Time
5+ YOE5+ years software engineering, 2+ years Android, Bachelor's/Master’s in CS, Java/Kotlin, Android SDK/NDK, CI/CD, Agile, regulatory familiarity.
Java, Kotlin, JavaScript, TypeScript, C++, Android SDK, NDK, Android Studio, Azure DevOps, Jira, Git, SVN, CI/CD
3w
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Principal Automation Engineer
Kankakee, Illinois, United States
$115k-$136k/yr OnsiteFull Time
5+ YOEBachelor's degree in engineering and 5+ years as an engineer or leader. Requires automation programming, cGMP, manufacturing, electrical systems, NEC, NFPA 70E, and OSHA knowledge.
Allen-Bradley, FactoryTalk, ControlLogix, Siemens, PCS 7, WinCC, NEC, NFPA 70E, OSHA, cGMP
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Principal Automation Engineer
Kankakee, Illinois, United States
$115k-$136k/yr OnsiteFull Time
5+ YOEBachelor's in Electrical/Mechanical/Industrial Engineering, 5+ years engineering experience, cGMP and FDA-regulated manufacturing knowledge, automation programming, NEC/NFPA 70E/PSM familiarity, strong communication and problem-solving.
FactoryTalk, ControlLogix, PCS7, WinCC, Allen-Bradley, Siemens
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Principal Mechanical Engineer
Westchester or North Kansas City or Indianapolis
HybridFull Time
Extensive mechanical engineering experience for utilities and process equipment across multi-site manufacturing; bachelor’s or master’s in mechanical engineering or equivalent experience; subject matter expertise in material handling, rotating equipment, boilers, tanks, and mechanical design.
1d
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Principal Electrical Engineer
Lemont, Illinois, United States
$116k-$181k/yr OnsiteFull Time
8+ YOERequires an electrical or computer engineering degree, 8+ years' experience, Python, embedded Linux, C/C++, electronics design, system integration, network protocols, security, CAD, and control systems expertise.
Python, JavaScript, R, C++, C, embedded Linux, make, shell scripting, TCP, UDP, I2C, UART, SPI, Microsoft?, GUI, CAD
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Principal Process Engineer
Clearing or Chicago
$101k-$152k/yr OnsiteFull Time
7+ YOEBachelor's in Chemical Engineering (or related), 7+ years chemical manufacturing experience, PSM facility experience, DCS/PLC/HMI knowledge, MS Office proficiency, strong communication and cross-functional collaboration skills.
DCS, PLC, HMI, Microsoft Office
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Principal Engineer Mechanical
Downers Grove, Illinois, United States
$166k-$237k/yr OnsiteFull Time
15+ YOEBachelor's in mechanical engineering, PE license, 15+ years in Power/Refining/Chemical, strong background in heat exchangers, pumps, ASME vessels/piping, equipment specification (CTG, STG, HRSG), EPC execution knowledge, leadership and field experience.
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Principal Software Engineer
Westchester, Illinois, United States
$171k-$257k/yr RemoteFull Time
12+ YOESenior/principal-level data engineer with deep Azure BI/data stack expertise (Microsoft Fabric, Synapse, Power BI), expert Python and SQL, architecture and platform design, and strong communication and mentoring skills.
Microsoft Fabric, Azure Synapse Analytics, Power BI, Azure, Python, SQL
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Principal Mechanical Design Engineer
Hazel Crest, Illinois, United States
$125k-$155k/yr OnsiteFull Time
10+ YOEAccredited engineering degree, 10+ years mechanical/structural/heavy equipment design experience, strong CAD skills (Inventor, AutoCAD, SolidWorks), engineering calculations, documentation, and leadership experience.
Autodesk Inventor, AutoCAD, SolidWorks, Microsoft Excel, Microsoft Word
2w
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Principal AI Engineer - Aerospace & Defense
Itasca, Illinois, United States
$15k-$180k/yr FieldFull Time
Hands-on experience building and shipping production AI and mobile solutions, expertise in prompt engineering, RAG, MLOps, forward-deployed integrations, full-lifecycle engineering, and technical leadership at principal level.
Retrieval-augmented generation (RAG), MLOps, CI/CD, iOS, ERP, CRM, IoT
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Principal Mechanical Design Engineer
Hazel Crest, Illinois, United States
$125k-$155k/yr OnsiteFull Time
10+ YOEAccredited engineering degree, 10+ years mechanical/structural design experience, advanced CAD skills (Inventor, AutoCAD, SolidWorks), strong communication, standards knowledge, and ability to lead technical teams.
Autodesk Inventor, AutoCAD, SolidWorks, Microsoft Excel, Microsoft Word
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Principal Mechanical Design Engineer
Hazel Crest, Illinois, United States
$125k-$155k/yr OnsiteFull Time
10+ YOEBachelor's in engineering, 10+ years mechanical/structural/heavy equipment design experience, strong CAD (Inventor, AutoCAD, SolidWorks), knowledge of manufacturing processes, documentation and standards, leadership and mentoring skills.
Autodesk Inventor, AutoCAD, SolidWorks, Microsoft Excel, Microsoft Word
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Principal Civil Structural Engineer
Plainfield, Illinois, United States
$128k-$161k/yr OnsiteFull Time
15+ YOEBachelors or Masters in civil/structural engineering, 14–15+ years LT&C/tank structural experience, PE registration in at least one state, familiarity with AISC/ASCE/IBC/API/ACI codes, Microsoft Office proficiency.
Microsoft Office Professional
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Principal Polymer Engineer - CMP Pads
Aurora or Hillsboro
$140k-$187k/yr OnsiteFull Time
5+ YOEPh.D.+5 yrs or M.S.+8 yrs in polymer science/chemical engineering/materials; deep polymer structure–property–processing knowledge; experience with polymer processing, characterization (DMA, DSC, TGA, FTIR, rheology), DOE and statistical analysis; polyurethane experience preferred.
Design of Experiments (DOE), DMA, DSC, TGA, FTIR, rheology, microscopy, mechanical testing
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Principal Engineer, Digital Manufacturing Innovation (42596)
Oakbrook Terrace or Burley or Grand Island or Othello or Appleton
$112k-$149k/yr OnsiteFull Time
15+ YOE5+ MgmtBachelor's degree in engineering/data science/computer science, 15+ years in manufacturing analytics/digital transformation, 5+ years senior leadership, expertise with MES/SCADA/PLCs, AI/ML, Python, SQL, Power BI, and Tableau.
Python, SQL, Power BI, Tableau, MES, SCADA, PLCs, IoT, AI/ML
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