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23 performance modeling engineer jobs at 14 companies in Illinois

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Senior Performance/ Simulation/ Application Engineer
Mossville or Chillicothe
$131k-$169k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
2+ YOEMaster's in engineering +2 yrs experience or Bachelor's +5 yrs; 1 yr validation of control models vs test data; software-in-the-loop setup; model integration; Git, MATLAB/Simulink, CANape, Python experience.
Dynasty, GT Suite, AMESim, Git, MATLAB, Simulink, CANape, Python
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Principal/Sr. Principal Modeling & Simulation Systems Engineer
Rolling Meadows, Illinois, United States
$109k-$163k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOEUS citizen with active Secret clearance; BS/MS/PhD in STEM with 5+/3+/1+ years respectively; experience developing algorithms, performance models, and technical presentations; proficiency in MATLAB, Python, and C/C++.
MATLAB, Python, C/C++, Java, AFSIM
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Senior Performance/ Simulation/ Application Engineer
Mossville, Illinois, United States
$131k-$169k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction and mining equipment, engines, and gas turbines.
2+ YOEMaster's in Mechanical/Automotive/Aerospace/Engineering Management +2 years (or Bachelor's +5 years) experience with powertrain systems, model integration, validation, Software-in-the-Loop, Git, Matlab/Simulink, CANape, and Python.
Dynasty, GT Suite, AMESim, GIT, Matlab/Simulink, CANape, Python
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2mo
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Principal/Sr. Principal Modeling & Simulation Systems Engineer
Rolling Meadows, Illinois, United States
$109k-$163k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEUS citizen able to obtain/maintain Secret clearance; BS/MS/PhD in STEM with 5+ / 3+ / 1+ years (Principal) or 8+ / 6+ / 4+ years (Sr Principal); experience developing algorithms and performance models; proficiency in MATLAB, Python, and C/C++.
MATLAB, Python, C/C++, Java, AFSIM
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4w
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Project Engineer - Grid Modeling and Compliance
Chicago, Illinois, United States
$105k-$130k/yr OnsiteFull Time
Invenergy
Invenergy: Develops, builds, and operates large-scale sustainable energy infrastructure projects.
3+ YOEBachelor's in electrical engineering, 3+ years performing power system studies, experience with PSS/E, PSLF, PSCAD, ASPEN Oneliner, knowledge of EHV/HV systems, ability to travel up to 15%, and U.S. work eligibility required.
PSS/E, PSLF, PSCAD, ASPEN Oneliner, Python, VBA
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Senior Project Engineer - Grid Modelling and Compliance
Chicago or Denver
$125k-$155k/yr OnsiteFull Time
Invenergy
Invenergy: Develops and operates utility-scale renewable and clean energy projects.
5+ YOEBachelor's in electrical engineering, 5+ years performing power system studies, experience with PSS/E, PSLF, PSCAD, ASPEN Oneliner, knowledge of EHV/HV systems, project coordination, and up to 15% travel.
PSS/E, PSLF, PSCAD, ASPEN Oneliner, Python, VBA
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2w
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Senior Data Engineer
Illinois, United States
$102k-$204k/yr RemoteFull Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
6+ YOERequires 6+ years with SQL and relational databases, 3+ years in cloud and on-premises data engineering platforms, and experience with data warehousing, modeling, troubleshooting, and performance improvement.
SQL, AWS, GCP, Azure, Databricks, Snowflake, Microsoft SQL Server, Oracle, Teradata, Python, PySpark
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1mo
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Senior Engineer, ML Engineering (Databricks)
New York or Chicago or Boston or Toronto or London
$130k-$147k/yr HybridFull Time
Curinos
Curinos: Providing data-driven decision intelligence for global financial institutions.
Experience operationalizing production ML/AI on Databricks, MLflow, Databricks Model Serving; strong Python, Spark, SQL; CI/CD and monitoring for model performance, safety, and governance.
Databricks, Databricks Workflows, Delta Lake, Delta Live Tables, Asset Bundles, Unity Catalog, Genie Code, MonteCarlo, Fiddler, MLflow, Databricks Model Serving, Python, Spark, SQL, Jenkins, shell, Yarn, AWS, chatGPT, Claude, Copilot
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Analytics Engineer II
Chicago, Illinois, United States
$100k-$130k/yr OnsiteFull Time
Home Chef: Delivers pre-portioned ingredients and recipes for home-cooked meals.
3+ YOEFour-year related degree, multiple years in data modeling and database performance, advanced data transformations, SQL, Python, troubleshooting, stakeholder influence, and organized work practices.
Looker, SQL, Python
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Senior Data Engineer
Chicago, Illinois, United States
$120k-$130k/yr OnsiteFull Time
Heidrick & Struggles
Heidrick & Struggles: Provides executive search and leadership advisory services globally.
4+ YOE4+ years building data warehouse/lake solutions and production data pipelines; expert SQL, Snowflake, and Python; ETL/ELT and CI/CD experience; strong data modeling, performance tuning, and mentoring skills.
Snowflake, Python, SQL, FiveTran, Git, CI/CD, ETL/ELT
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2mo
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Senior SQL & ETL Lead Developer
Chicago or Chicago
$122k-$178k/yr HybridFull Time
Chubb
ChubbNYSE: CB: Provides property, casualty, and life insurance and reinsurance services globally.
7+ YOE7+ years SQL and ETL development experience; expertise in SQL Server, Azure SQL, SSIS, data modeling, performance tuning, complex SQL, and strong communication and leadership skills.
SQL, Microsoft SQL Server, Azure SQL Database, SSIS, Azure Synapse, Snowflake, Informatica Intelligent Cloud Services (IICS), Power BI, Python, Java, .Net, MongoDB, Cassandra
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Production Support Engineer - Non-Day Shift Hours
Chicago or Milwaukee or Atlanta or Jacksonville
$80k-$90k/yr RemoteFull Time
Amount
AmountNYSE: FIS: Provides digital origination and lending software for financial institutions.
2+ YOEManage and resolve production incidents, perform root cause analysis, query databases with advanced SQL, use Postman and monitoring tools, coordinate cross-functional stakeholders, and support 24/7 staffing model.
SQL, Postman, AI, Java, Python, Ruby, Confluence, Jira, PagerDuty, Sentry, Kibana, Jenkins, Argo, Vault, Coralogix, ITSM, ITIL
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2mo
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Technical FinOps Analyst
Kentucky or California or Illinois or Montana or South Dakota or United States
$89k-$121k/yr RemoteFull Time
Humana
HumanaNYSE: HUM: Provides health insurance plans and clinical healthcare services.
Bachelor's in finance/business/IT/engineering, progressive FinOps or financial/process improvement experience, strong financial analysis, reporting, reconciliation skills, experience with cloud commitment models and Excel/BI tools.
Microsoft Excel, Cloudability, HireVue
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Staff Engineering Technician
Overland Park or Ann Arbor or Houston or Phoenix or Raleigh or Chattanooga or Chicago or Jacksonville or Gaithersburg
OnsiteContract
OTSI
OTSI: Global IT consulting and digital transformation solutions provider.
5+ YOE5+ years technical experience, diploma/certificate (or associate degree preferred), power generation design and Bentley MicroStation experience, 3D equipment modeling; AGI32 preferred; perform design calculations and document control.
Bentley MicroStation, AGI32, SAP, Java Full stack, Microsoft
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3w
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Engineering Manager, Deep Learning Inference
Santa Clara or Georgia or District of Columbia or Illinois or California or Massachusetts
$224k-$431k/yr HybridFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
6+ YOE3+ MgmtMS/PhD or equivalent, 6+ years software experience with 3+ years technical leadership; strong C/C++ and Python; GPU programming and performance optimization experience; experience with deep learning model deployment.
SGLang, vLLM, FlashInfer, C, C++, Python, CUDA, Triton, CUTLASS, NIXL, NCCL, NVSHMEM, PyTorch, TensorRT-LLM
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2mo
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Senior Mechanical Designer 2 - Nuclear Power
Chicago, Illinois, United States
$86k-$131k/yr HybridFull Time
Sargent & Lundy
Sargent & Lundy: Provides engineering and consulting services for the power industry.
10+ YOE10+ years mechanical design experience, Associate's in drafting or HS diploma with drafting coursework/equivalent experience, proficiency with 3D plant layout modeling, ability to coordinate design deliverables and perform field walkdowns; U.S. work authorization required.
MicroStation
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3w
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Production Factors Analysis Manager (PFA)
Bloomington, Illinois, United States
$99k-$132k/yr OnsiteFull Time
Ferrero
Ferrero: Manufactures and distributes global chocolate and confectionery products.
6+ YOEDegree in engineering/finance/economics,6+ years manufacturing performance/controlling experience,strong analytical skills,knowledge of production KPIs and SAP,stakeholder management and modeling experience.
SAP, S&OP
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1mo
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Sr. Sheet Metal Fabricator - Machinist
Tinley Park, Illinois, United States
$29-$34/hr OnsiteFull Time
Panduit
Panduit: Manufactures infrastructure products for data centers and industrial networks.
2+ YOE2 years fabricating experience with CNC press brake, waterjet, and laser/punch; ability to read engineering drawings, perform inspections, and convert 3D models to flat patterns using CAD/CAM.
CNC press brakes, CNC waterjet, CNC laser/punch machines, CAD, CAD/CAM, calipers, height gages, micrometers, protractor, precision square, dial indicators
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2w
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Self Perform Sr. Estimator
Glastonbury or Albany or Chicago or Cleveland or Boston or Atlanta or Tampa or Columbia or Indianapolis or Detroit
$100k-$160k/yr RemoteFull Time
Next 150 Construction Services
Next 150 Construction Services: Provides self-perform construction labor, equipment, and material services.
5+ YOEBachelor's degree in engineering or construction management and 5–10+ years of relevant experience. Requires estimating leadership, conceptual pricing, take-off software, cost modeling, and presentation skills.
On-Screen Take-off, Destini, Site work
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