42 senior python developer jobs at 21 companies in Ottawa, IL
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Senior Data Engineer
Bolingbrook, Illinois, United States
$103k-$140k/yr OnsiteFull Time
5+ YOEBachelor's degree in computer science or related field; 5 years in development with GCP, Databricks; experience with data pipelines, SQL/NoSQL, Java/Python; strong data warehousing and ETL skills.
BigQuery, Databricks, Spark, Kafka Streams, Jenkins, Docker, GitHub, Bitbucket, Unix/Linux, SQL, NoSQL, GCS, Dataflow, Airflow, Cloud Composer, Python, Java
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Sr. Software Engineer
Wayne or Naperville
$120k-$135k/yr HybridFull Time
5+ YOE5–7 years backend engineering or intelligent systems with production impact; strong Python, CI/CD, and system design; experience with ML model APIs and cloud inference; familiarity with vector databases and retrieval systems.
Python, CI/CD, AWS Bedrock, Azure OpenAI, Google Vertex AI, PyTorch, Hugging Face Transformers, vLLM, FAISS, Pinecone, OpenSearch/KNN, LangChain, LlamaIndex, MLflow, Weights & Biases, Prometheus
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Senior Optical Engineer
Lemont, Illinois, United States
$130k-$170k/yr OnsiteFull Time
5+ YOEM.S. (or B.S. with extra experience) in optical engineering/physics/EE, 5+ years optical system design, proficiency with FRED/LightTools/Zemax and Python, hands-on optical metrology, strong communication skills.
FRED, LightTools, Zemax, Python, CAD, GD&T
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Senior Optical Engineer
Lemont, Illinois, United States
$130k-$170k/yr OnsiteFull Time
5+ YOEM.S. or higher in Optical Engineering/Physics/EE (or B.S. with experience), 5+ years optical system design, high proficiency with FRED/LightTools/Zemax and Python, strong physical optics and metrology experience, strong communication skills.
FRED, LightTools, Zemax, Python, CAD, GD&T
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Senior Engineer
Lisle, Illinois, United States
$85k-$127k/yr OnsiteFull Time
1+ YOEDegree in engineering or computer science, 1+ years product design/development or computer science experience, emissions/regulatory experience, technical writing and analytics skills.
Power BI, Databricks, Microsoft Excel, SQL, Python, MATLAB
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Senior Engineer
Lisle, Illinois, United States
$85k-$127k/yr OnsiteFull Time
1+ YOEBachelor's in Engineering/Engineering Technology/Computer Science with 1+ year product design/development or a Master's in those fields; experience with emissions compliance, regulatory submissions, and data analytics.
Power BI, Databricks, Microsoft Excel, SQL, Python, MATLAB
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Mainframe Software Development Engineer in Test
Lisle, Illinois, United States
$110k-$176k/yr OnsiteFull Time
5+ YOE5+ years relevant experience, practical mainframe development/testing experience, proficiency with JCL, scripting (Python, JSON, REXX), CI/CD (Jenkins), strong analytical and problem-solving skills.
Job Control Language (JCL), Python, JSON, REXX, Jenkins, RestAssured, Java, JavaScript, TypeScript, JUnit, TestNG, JMeter
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Senior Digital Workspace Engineer
Naperville, Illinois, United States
$112k-$168k/yr HybridFull Time
7+ YOE7+ years enterprise endpoint engineering; deep expertise with Microsoft Intune, Jamf Pro, Entra ID, Defender for Endpoint, Purview; PowerShell and Python required; ServiceNow or Jira experience; Bachelor's or equivalent.
Microsoft Intune, Jamf Pro, Microsoft Entra ID, Microsoft Defender for Endpoint, Microsoft Purview, PowerShell, Python, Windows Autopilot, MDT, WDS, Jamf Connect, Meraki, ServiceNow, Jira Service Management, Microsoft Copilot for M365, Microsoft Sentinel, CrowdStrike, VDI, CCaaS
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Senior Digital Workspace Engineer
Naperville, Illinois, United States
$112k-$168k/yr HybridFull Time
7+ YOERequires 7+ years of enterprise endpoint engineering, Intune, Jamf Pro, Entra ID, M365 security, PowerShell, Python, networking, ITAM/CMDB, and endpoint automation experience. Bachelor's degree or equivalent experience required.
Microsoft Intune, Jamf Pro, Microsoft Entra ID, Microsoft Defender for Endpoint, Microsoft Purview, Autopilot, iOS, Android, macOS, PowerShell, Python, M365 APIs, DNS, DHCP, VPN, NAC, Meraki, VDI, Microsoft Copilot for M365, CIS Benchmarks, NIST SP 800-70, DISA STIGs, ServiceNow, Jira Service Management, Microsoft Sentinel, CrowdStrike, ZTNA, SSE/SASE, MDT, WDS, TCP/IP, Firewall
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Senior Automation Engineer
Malta, Illinois, United States
$114k-$163k/yr OnsiteFull Time
7+ YOE7+ years in robotics and automation, with hands-on prototyping, CAD, machine vision, robotics, and control systems; strong in Python/C++/PLC.
SolidWorks, Fusion 360, CATIA, ANSYS, OpenCV, HALCON, Keyence, Cognex VisionPro, Arduino, Raspberry Pi, LabVIEW, ROS, Python, MATLAB, C, C++, C#, PLC, GitHub Copilot
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Senior Piping Stress Engineer 1 - Nuclear
Warrenville, Illinois, United States
$85k-$129k/yr HybridFull Time
5+ YOEABET-accredited BS/MS in engineering, 5+ years relevant experience, knowledge of ASME B31.1 and ASME B&PV Section III, piping support design, strong communication; AutoPIPE/PIPESTRESS, ANSYS, 3D CAD, Python/MATLAB/Excel skills valued.
AutoPIPE, PIPESTRESS, ANSYS Workbench, Mechanical ADP, Python, MATLAB, 3D CAD, Microsoft Excel
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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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Senior Electrical Engineer 2 - Nuclear
Warrenville, Illinois, United States
$100k-$153k/yr HybridFull Time
7+ YOEABET BS in Electrical Engineering,7+ years electrical design experience for nuclear plants,experience with LV/MV systems,preparing design packages and calculations,vendor interfacing,and ability to obtain unescorted nuclear station badge.
Python, MATLAB, Microsoft Excel
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Data Engineer
Romeoville, Illinois, United States
$96k-$134k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent experience; 5+ years in data or software engineering; strong SQL, Python, Git, data modeling, production transformations, and collaboration skills.
SQL, Python, Microsoft Power BI, Fabric Data Lake, KQL, Git, Airflow, dbt, Spark, Microsoft Fabric OneLake, Snowflake, BigQuery, Databricks
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Software Engineer
Lisle, Illinois, United States
$90k-$190k/yr OnsiteFull Time
5+ YOEBachelor's in CS/CE/EE,5+ years experience,proficiency in C/C++/Python,Windows/Linux/Unix,EMBEDDED and networking experience,TS/SCI clearance required (sponsorship available).
C, C++, Python, Windows, Linux, Unix, TCP/IP, ARM, MIPS, x86, PowerPC
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Data Platform Engineer II - Corporate Office (Austin, MN preferred)
Austin or Willmar or Eden Prairie or Des Moines or Chicago or Naperville or Kansas City or Urbandale or Lenexa
$114k-$159k/yr OnsiteFull Time
7+ YOEBachelor's degree and 7+ years supporting enterprise data/platforms; experience with CI/CD, automation, Python/SQL, cloud platforms, tooling roadmaps, and developer enablement.
Python, SQL, Incorta, Apigee, Google Cloud Platform (GCP), BigQuery, Cloud Storage, Composer/Airflow, Pub/Sub, Dataflow, Dataproc, Artifact Registry, Kubernetes/GKE, Cloud Build, Azure DevOps, GitHub, GitHub Actions, Jenkins
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Principal Software Development Engineer (PBM AI Solutions)
Buffalo Grove, Illinois, United States
$144k-$288k/yr RemoteFull Time
10+ YOELeading architecture and delivery of cloud-native applications; 5+ years frontend, 5+ years backend, 3+ years AI/GenAI experience; strong leadership in agile environments.
Angular, React, React TypeScript, Python, REST API, CI/CD, AWS, Azure, GCP, BigQuery, Spanner, BigTable, API-first, Microservices
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Process Engineer Lead
Minooka or Patterson or Los Angeles or Portland
$95k-$158k/yr HybridFull Time
5+ YOEBachelor's in operations/engineering or STEM required, 5+ years process engineering, Lean/Six Sigma experience, CAD/Visio/Smartsheet/Microsoft Office proficiency, SQL/Python/Java/Scala preferred, up to 75% travel, onsite 3 days/week.
CAD, Visio, Smartsheet, Microsoft Office Suite, SQL, Python, Java, Scala
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Engineer-Systems Integr
Aurora, Illinois, United States
$105k-$157k/yr OnsiteFull Time
OSI Group: A global food provider partnering with foodservice and retail brands to deliver concept-to-table solutions.
Design and implement integrations across shop-floor sensors, MES, SCADA, and ERP; production-grade Python, Ignition/SCADA, MQTT, Power BI/SQL, and SAP S/4HANA experience preferred; 5+ years experience preferred.
Python, Ignition, Perspective, SCADA, MES, SafetyChain, MQTT, Banner DXM/DX80, Microsoft Power BI, SQL, Snowflake, SAP S/4HANA, REST API, ERP
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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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