344 principal engineer jobs at 130 companies in Ashburn, IL
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Principal Engineer
Chicago, Illinois, United States
$245k-$285k/yr HybridFull Time
Principal-level experience spanning software architecture, AI engineering, and DevOps, including domain-driven design, agent systems, infrastructure-as-code, GitOps, CI/CD, and production systems in high-growth environments.
Rust, TypeScript, Python, AWS, Terraform, GitOps, CI/CD, LLM, MCP
1d
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Principal Engineer
North Chicago, Illinois, United States
$110k-$209k/yr OnsiteFull Time
10+ YOEBachelor's degree in engineering, science, or related discipline desired, 10+ years of engineering or operations experience, project management expertise, financial systems competency, and strong collaboration skills.
2d
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Principal Engineer - Transport
Chicago, Illinois, United States
$150k-$225k/yr OnsiteFull Time
10+ YOEBachelor's degree required; master's in civil or structural engineering preferred. Requires 10–25 years of design and field experience, Illinois professional licensure, AutoCAD, structural analysis/design, communication, and travel availability.
AutoCAD, BIM
2d
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Principal Engineer, Tech Ops
Kankakee, Illinois, United States
$106k-$133k/yr OnsiteFull Time
5+ YOEBachelor’s degree in engineering or science required; 5+ years in process engineering and 2+ years in pharmaceutical or biotech operations, with regulated-environment experience and cross-functional project leadership.
cGMP, OSHA, EPA
3w
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Principal Engineer - Gas Detection
Northbrook, Illinois, United States
$142k-$155k/yr HybridFull Time
5+ YOEBachelor’s degree in engineering, 5–10 years of gas and vapor detection experience, NFPA 72 knowledge, safety engineering expertise, technical writing, presentation, project management, and communication skills.
NFPA 72, ISO Standards, ULSE Standards, Certification Requirement Decisions (CRDs), Technical Guidance Documents (TGDs), Standardized Appendix Pages (SAPs), Follow-up Inspection Instructions (FUIIs)
3d
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Principal Packaging Engineer
Bedford Park or Indianapolis or North Kansas City
$124k-$165k/yr OnsiteFull Time
Bachelor’s degree in engineering and substantial industrial packaging engineering experience, including bulk powder equipment, mechanical systems, troubleshooting, design, safety, GMP, technical leadership, and cross-functional collaboration.
P&ID, robots, metal detection, force flow packers, screeners, magnets, control systems
4w
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Sr Principal Engineer, Automation Projects
Round Lake, Illinois, United States
$128k-$176k/yr OnsiteFull Time
8+ YOEBachelor of Science in Engineering required (Mechanical preferred),8+ years engineering experience, SolidWorks experience, aseptic/cGMP manufacturing preferred, project leadership, domestic/international travel up to 20%.
SolidWorks
1mo
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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
1mo
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Principal/Sr. Principal Systems Engineer
Rolling Meadows, Illinois, United States
$109k-$163k/yr OnsiteFull Time
5+ YOESTEM degree with relevant years of experience (principal:5+, sr principal:8+), US citizenship, active Top Secret clearance, systems engineering and model-based concepts experience, proficiency with MATLAB/C/C++/CUDA/VHDL/OpenCL/Python and mission modeling tools.
SysML, Cameo, Rhapsody, MATLAB, C, C++, CUDA, VHDL, OpenCL, Python, AFSIM, STK, BRAWLER, ATCOM, ONESAF, DOORS, ClearCase, ClearQuest, UML
1w
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Principal Engineer - Product Design
Mount Prospect or Illinois
$120k-$150k/yr HybridFull Time
Bachelor's degree or equivalent experience; extensive customer-centric product development experience; advanced SolidWorks or Creo 3D design proficiency; leadership across multidisciplinary global teams.
SolidWorks, Creo, CAD
2mo
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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
1mo
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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 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
1mo
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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.
1d
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Principal Engineer AI
Chicago Heights or New York or Florida or California or Texas or Illinois
$112k-$209k/yr OnsiteFull Time
8+ YOEBachelor's degree required, 8+ years of software or platform engineering experience, production infrastructure and on-call experience, cloud-native AWS/Azure expertise, and strong programming skills in Python or Go.
Python, Go, TypeScript, Java, AWS, Azure, Kubernetes, CDK, Terraform, CloudFormation, ARM, Bitbucket, GitHub, Jira, Confluence, Cedar, OPA/Rego, SPIFFE/SPIRE, mTLS, OAuth/OIDC, Entra ID, OpenTelemetry, Dynatrace, Splunk, Bedrock, Azure OpenAI, SageMaker, MLflow, LangChain, LlamaIndex, RAG, Databricks, Google Cloud, AWS Certified Solutions Architect, Microsoft Azure Solutions Architect Expert, Azure AI Engineer Associate
2mo
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Principal Forward Deployed Engineer
Bellevue or Chicago or San Francisco or Toronto
$269k-$369k/yr RemoteFull Time
10+ YOE10+ years in production software with distributed systems and identity; expertise in OAuth 2.0/OIDC/SAML, agent security, fine-grained authorization; proven AI hands-on; strong customer-facing authority; independent, founder’s mindset.
OAuth, OIDC, SAML, SCIM, OPA, Cedar, OpenFGA, MCP, A2A, ISO/IEC 42001, EU AI Act
1w
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Principle Engineer- SPAM
Jersey City or Chicago
$150k-$200k/yr HybridFull Time
Principal-level technical expertise in platform operations, anti-abuse, routing, monitoring, reliability, automation, regulatory controls, and cross-functional technical leadership.
AI
1w
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Principal Engineer, Architect for Integration, Engineering, and Security
Chicago, Illinois, United States
OnsiteFull Time
10+ YOEBachelor's degree and 10–12 years of relevant experience. Requires enterprise integration and solution architecture, data design, AI affinity, software selection, security architecture, and retail or consumer packaged goods expertise.
AI, ERP
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
3mo
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Principal Systems Engineer (Chicago, IL, US)
Chicago, Illinois, United States
OnsiteFull Time
4+ YOELead design and development of IFEC systems and related networks; define system requirements; collaborate with product, software, and hardware teams.
Docker, VMs, Jama Connect, QUIC, TCP/IP, HTTP, 802.11, SD-WAN, firewalls, networking protocols
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