2mo
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Principal Engineer
Chicago, Illinois, United States
$150k-$225k/yr OnsiteFull Time
10+ YOE10-25 years design and field Civil/Structural Engineering; IL PE license; AutoCAD; BIM experience; strong communication; some travel; ability to grow Chicago office.
AutoCAD, BIM, Structural analysis software, Computer-aided design
1mo
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Principal Engineer - Automation
Worcester or North Chicago
$110k-$209k/yr HybridFull Time
8+ YOEDesired Bachelors in engineering or related field (or equivalent experience), ~8+ years engineering/operational experience, strong technical expertise in engineering disciplines, project leadership, cross-functional collaboration, and ability to travel 20-30%.
2w
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AI / Simulation Principal Engineer
Northbrook or Austin or Durham
$142k-$190k/yr HybridFull Time
10+ YOEPh.D./Master's in relevant engineering, 10+ years CFD/simulation and V&V experience, expertise in fire, combustion, multiphase flows, refrigerant leakage, battery thermal runaway, test correlation, and technical reporting.
ANSYS Fluent, STAR-CCM+, OpenFOAM, CONVERGE, FDS, Python, MATLAB
3mo
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Principal AI Engineer
Chicago, Illinois, United States
$97k-$189k/yr HybridFull Time
9+ YOELead principal AI engineer with 9+ years in software engineering and 6+ years in application development; 2+ years building or operating AI-augmented development tools; expert in AI-native software, CI/CD, and security.
Claude Code, Cursor, GitHub Copilot, GCP, Terraform, Kubernetes, GitHub Actions, Artifactory
1mo
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Principal Engineer Process
Rolling Meadows, Illinois, United States
$98k-$148k/yr OnsiteFull Time
5+ YOEBachelor’s or Master’s in engineering with 3-5 years (MS: 3+ yrs) in opto-mechanical/EOIR; ability to obtain Secret clearance; US citizenship; 10% travel; on-site Rolling Meadows, IL.
3w
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Principal/Sr. Principal Systems Engineer
Rolling Meadows, Illinois, United States
$109k-$204k/yr OnsiteFull Time
5+ YOESTEM degree with 5+ years (Principal) or 8+ years (Sr Principal) experience, proficiency in systems thinking, model-based systems engineering, simulation/mission modeling, and listed software/tools; U.S. citizenship and active government clearance required.
MATLAB, C, C++, CUDA, VHDL, OpenCL, SysML, Python, Cameo, Rhapsody, AFSIM, STK, BRAWLER, ATCOM, ONESAF, DOORS, ClearCase, ClearQuest
3w
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Sr. Principal Process Engineer
Round Lake, Illinois, United States
$128k-$176k/yr OnsiteFull Time
8+ YOEBachelor's in engineering, 8+ years manufacturing process engineering experience, strong automation and validation knowledge, familiarity with Industry 4.0, SCADA, serialization, and regulatory compliance.
Optimize, SCADA, AI vision, Robotics, VFD
1mo
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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
1mo
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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
1mo
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Principal Engineer, Agentic Journey Engineering Lead
Chicago, Illinois, United States
HybridFull Time
12+ YOE5+ MgmtBachelor's degree in CS/AI/Data Science, 12+ years application engineering experience with 5+ years lead experience and 2+ years building production GenAI/agentic solutions; strong Python, C#, JavaScript skills and hands-on Microsoft Copilot Studio, Power Platform, Dynamics 365, Dataverse, Azure, and CI/CD experience.
Microsoft Copilot Studio (M365), Microsoft Power Apps, Microsoft Power Automate, Microsoft Power Platform connectors, Microsoft Dynamics 365, Microsoft Outlook, Microsoft Teams, Microsoft SharePoint, Dataverse, Power BI, PowerApps Component Framework (PCF), Adaptive Cards, Bot Framework, Azure, Azure DevOps, Azure Integration Services, Azure OpenAI, Semantic Kernel, Python, C#, JavaScript, Git, API Management, EIS Suite
1d
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Principal Engineer - Packaging Equipment
Omaha or Chicago or Denver
$109k-$159k/yr RemoteFull Time
7+ YOEBachelor's in Mechanical/Robotics/Packaging Engineering,7+ years food manufacturing packaging design,automation and project engineering experience,USDA/FDA-regulated environment experience,team leadership,automation/robotics expertise.
3mo
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Principal Engineer – Transmission Scenario Planning - External Analysis Specialist
Kennett Square or Chicago or Baltimore or Philadelphia or Newark
$122k-$184k/yr HybridFull Time
8+ YOE8+ years of engineering experience; MS in Engineering or Licensed Professional Engineer; advanced knowledge of power transmission planning; regulatory and industry standards experience; PJM/MISO/SPP knowledge
Power system modeling software, Power system analysis tools, Data analysis tools
2mo
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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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Senior Principal Airfield Engineer
Chicago, Illinois, United States
$186k-$250k/yr OnsiteFull Time
20+ YOE5+ MgmtBachelor's or Master's in Civil Engineering; 20+ years in Civil design for airport facilities; Illinois PE or ability to obtain within 6 months; project lead experience; valid driver's license; travel ability; MS Office proficiency.
AutoCAD, Civil 3D, Microsoft Office
5d
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Principal Engineer- Permits
Libertyville, Illinois, United States
$95k-$107k/yr OnsiteFull Time
6+ YOEBachelor's in Civil Engineering, Illinois PE license, minimum 6 years experience, valid driver's license, regulatory and program management skills, strong communication and problem-solving.
2mo
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Principal Software Engineer - Platform (hybrid)
Chicago, Illinois, United States
$147k-$210k/yr HybridFull Time
7+ YOE7+ years software engineering; 2+ years architect/principal engineer; AI/ML experience; distributed systems; Go/Ruby/AWS; Lean/Agile; SOA; strong communication.
Go, Ruby, AWS, Terraform, Kubernetes, Docker
1mo
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Sr. Principal Engineer, R&D - E2E Complex Processing Project Delivery
Glenview or Warrendale
$121k-$151k/yr HybridFull Time
8+ YOEBachelor's in engineering required (MS/PhD preferred), 8+ years R&D/engineering experience in consumer goods/food/pharma, hands-on end-to-end processing project delivery, CQV/FMEA/CPRA experience, project tool and ERP proficiency.
CQV, FMEA, CPRA, Microsoft Project, Smartsheet, Jira, Microsoft Excel, SAP
1w
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Sr. Principal Engineer, R&D - E2E Complex Processing Project Delivery
Glenview or Warrendale
$121k-$151k/yr HybridFull Time
8+ YOEBachelor's in engineering required (MS/PhD preferred), minimum 8 years R&D/engineering experience in food, consumer goods or similar; experience with pilot trials, scale-up, CQV/FMEA/CPRA, project management and cross-functional execution.
MS Project, Smartsheet, Jira, Microsoft Excel, SAP
3mo
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Principal Launch Engineer - United States
Conway or Fremont or Lisle
$150k-$300k/yr HybridFull Time
12+ YOE12+ years electro-mechanical product design and manufacturing leadership; experience with high-speed connectors; SI, CAD; travel up to 50%.
FEA, Geometric Dimensioning and Tolerance, Tolerance Analysis, 3D CAD, Signal Integrity, Siemens NX
3mo
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Principal Control Systems Engineer
Lisle or Remote
$120k-$145k/yr HybridFull Time
10+ YOELead power generation projects; design and program control systems; 10+ years of controls experience; willing to travel 15-30%.
DCS, PLC, Instrumentation, Electrical Systems, Programming
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