247 senior staff engineer jobs at 123 companies in Oak Brook, IL
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Senior Staff Engineer
Lake Forest, Illinois, United States
$110k-$170k/yr FieldFull Time
10+ YOEBachelor's in mechanical engineering (or equivalent), 10+ years in industrial/paper/corrugating or design engineering, strong communication and leadership, AutoCAD and Microsoft Office proficiency, ability to travel extensively (80%).
Microsoft Office, AutoCAD
3mo
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Geotechnical Senior Staff Engineer
Lombard or Chicago or Glendale Heights
$85k-$108k/yr OnsiteFull Time
3+ YOEBachelor’s in Civil/Geotechnical Eng; Engineer-in-Training; 3-5+ yrs geotechnical exp; strong writing; office/field; valid driver’s license.
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Senior Staff Engineer
Chicago or New York City
$208k-$350k/yr HybridFull Time
10+ YOE10+ years software engineering; strong Rails + TypeScript/React; leadership across multiple teams; design and ship infrastructure; architectural judgment; mentoring; clear communicator; drive ambiguous projects.
Ruby on Rails, TypeScript, React, MongoDB, Event-driven architectures, Distributed Systems, API Design
1w
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Senior Staff Engineer| Hybrid: Chicago, IL
Chicago, Illinois, United States
$190k/yr HybridFull Time
8+ YOEBachelor's degree in computer science engineering, 8+ years of production C++ experience, expert MPI/OpenMP, hardware optimization, concurrency, database internals, debugging, and performance tuning skills.
C++, C++17, C++20, C++23, MPI, OpenMP, MapReduce, SIMD, AVX-512, ARM Neon, SVE, RDMA, RoCE, DPDK, HNSW, IVF-PQ, ANN, std::atomic, Valgrind, Purify, Intel, AMD, ARM, ClickHouse, DuckDB, Doris, CockroachDB, RocksDB, ScyllaDB, Velox, S3, GCS, NVIDIA CUDA, ROCm
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Senior Staff Engineer| Hybrid: Chicago, IL
Chicago, Illinois, United States
$190k/yr HybridFull Time
8+ YOEComputer science engineering degree required; master's preferred. Requires 8+ years of hands-on C++ systems experience, MPI/OpenMP expertise, database internals, hardware optimization, concurrency, and performance tuning.
C++, MPI, OpenMP, MapReduce, AVX-512, ARM Neon, SVE, RDMA, RoCE, DPDK, HNSW, IVF-PQ, ANN, Valgrind, Purify, NVIDIA CUDA, ROCm, ClickHouse, DuckDB, Doris, CockroachDB, RocksDB, ScyllaDB, Velox, S3, GCS
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Senior Staff Engineer, Thermal Engineering
Chicago or North America
$85k-$108k/yr OnsiteFull Time
2+ YOEBachelor's engineering degree, 2+ years managing large capital projects, thermal or geothermal power experience, Excel modeling, U.S. work authorization, driver's license, and travel availability.
Microsoft Excel, Organic Rankine Cycle (ORC), P&ID, RTO/ISOs
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Senior Staff Engineer, Thermal Engineering
Chicago, Illinois, United States
$85k-$108k/yr OnsiteFull Time
Bachelor's degree in engineering, 2+ years managing large capital energy projects, permitting knowledge, project design experience, Microsoft Excel modeling, U.S. work authorization, and valid U.S. driver's license.
Microsoft Excel, Organic Rankine Cycle (ORC), P&ID
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Senior Staff Engineer, RF Power Amplifier Design
Arlington Heights, Illinois, United States
$196k-$254k/yr OnsiteFull Time
12+ YOEMaster’s degree in Electrical Engineering, 12+ years of RF FEM product development, advanced RF power amplifier expertise, multiple IC tape-outs, and experience with GaAs, CMOS-SOI, SiGe, and GaN technologies.
Virtuoso, Cadence Spectre, Keysight ADS, EM software, Matlab, JMP
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Senior Staff Civil Engineer
Chicago, Illinois, United States
$76k-$110k/yr OnsiteFull Time
3+ YOEBachelor's in civil engineering, EIT required (PE preferred), 3+ years site/civil design experience in grading, stormwater, drainage, and erosion control; AutoCAD/Civil 3D proficiency and strong communication skills.
AutoCAD, Civil 3D
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Senior Staff Security Engineer, Ripple Treasury
Chicago or San Francisco
$220k-$275k/yr HybridFull Time
10+ YOE10+ years security engineering experience across product and infrastructure security; cloud security (Azure/AWS/GCP); threat modeling; DevSecOps tooling; hands-on Python or Go; cryptography and key management experience; mentoring experience.
STRIDE, OWASP Top 10, Azure, AWS, GCP, Kubernetes, CI/CD, static analysis, dynamic analysis, software composition analysis, secrets scanning, container scanning, Python, Go, HSMs, MPC, PKI, DDoS, WAF, bug bounty
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Staff Engineer - Data Engineering
Scottsdale or San Francisco or Chicago or New York City or Phoenix or California
$124k-$223k/yr HybridFull Time
8+ YOEBachelor's degree or equivalent experience, 8+ years relevant experience, and extensive data engineering expertise across scalable platforms, distributed systems, cloud, AI/ML, data warehouses, and real-time processing.
SQL Server, HDFS, Elastic Search, IBM Infosphere, Python, Spark, PySpark, R, Data Robot, Pub/Sub, Kafka, RabbitMQ, Google Cloud Platform, AWS, Azure, CI/CD, Tensorflow, Sage Maker, Scikit, PyCharm, Cloudera, S3, Oracle, Aerospike, Scality S3, AppDynamics, Kubernetes, HBase, Hive, Solr, Scala, Databricks, Snowflake
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Senior Staff Software Engineer
Westchester, Illinois, United States
$143k-$178k/yr RemoteFull Time
10+ YOEBachelor's in CS/IT or related,10+ years software development experience,2+ years staff-level leadership,proficiency in Java/Go/Python,Spring Framework,cloud platforms,databases,CI/CD and strong communication.
Java, Go, Python, Spring Framework, Spring Boot, Spring Data, Spring Security, MySQL, PostgreSQL, Docker, Kubernetes, AWS, Azure, GCP, React, Angular
3mo
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Staff Engineer - Torque Tool Strategy
Chicago, Illinois, United States
$125k-$166k/yr OnsiteFull Time
8+ YOEBS in engineering; 8+ years in high-volume manufacturing; Lean, DFMA, value stream mapping exp; cross-functional project leadership; travel flexibility.
CAD, ERP, MES, Lean Six Sigma
2w
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Senior / Staff Software Engineer
San Francisco or Los Angeles or Denver or Austin or Chicago or New York City or Seattle or Toronto
$150k-$210k/yr RemoteFull Time
5+ YOERequires 5+ years of senior or 8+ years of staff engineering experience, deep specialization expertise, measurable production impact, broad adoption experience, technical judgment, cross-functional communication, and practical AI workflow experience.
AI, LLMs, Employee Assistance Program (EAP)
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Senior Staff Engineer| Hybrid: Chicago, IL
Chicago, Illinois, United States
$190k/yr HybridFull Time
8+ YOERequires 8+ years of hands-on C++ systems experience, distributed programming with MPI/OpenMP, database internals, hardware optimization, concurrency, performance tools, and a 4-year computer science engineering degree.
C++, MPI, OpenMP, MapReduce, AVX-512, ARM Neon, SVE, RDMA, RoCE, DPDK, HNSW, IVF-PQ, ANN, Valgrind, Purify, Intel, AMD, ARM, ClickHouse, DuckDB, Doris, CockroachDB, RocksDB, ScyllaDB, Velox, S3, GCS, NVIDIA CUDA, ROCm
2w
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Principal Staff Electrical Engineer (IL, Waukegan)
Lake Zurich or Waukegan or Chicago
$120k-$150k/yr OnsiteFull Time
20+ YOEBachelor's degree in electrical or computer engineering and 20 years of experience. Requires ECAD and schematic/layout experience, preferably Altium Designer, plus strong communication skills.
ECAD, Altium Designer, C/C++, Python, Linux, Bash, Arduino, Raspberry Pi, oscilloscopes, spectrum analyzers, RFID, NFC, LTE, Microsoft Excel
2mo
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Staff Engineer
Park Ridge or Alabama or Connecticut or Florida or Georgia or Illinois or Kentucky or Louisiana or Massachusetts or Michigan or Missouri or North Carolina or Nebraska or New Hampshire or New Mexico or Ohio or Pennsylvania or South Carolina or Texas or Wisconsin
$165k-$175k/yr HybridFull Time
10+ YOE10+ years experience with .NET Framework/.NET Core, ASP.NET, Angular, SQL Server, Azure; experienced in architecture, CI/CD, testing, DevOps (Azure DevOps, TeamCity, Octopus), mentorship, and domain-driven design.
.NET Framework, .NET Core, ASP.NET, Angular, C#, TypeScript, JavaScript, SQL Server, Azure, App Services, Service Bus, Azure SQL, Azure DevOps, TeamCity, Octopus, GitHub Copilot
2w
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Staff Engineer
Chicago, Illinois, United States
$100k-$165k/yr RemoteFull Time
8+ YOE8+ years building production software; expertise in TypeScript, Node.js, Python, APIs, relational databases, cloud platforms, system design, scalability, and architecture; React proficiency and mentoring experience.
TypeScript, Node.js, Python, React, JavaScript, AWS
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Staff Engineer
Milwaukee or Chicago or Cincinnati or Minneapolis or Pittsburgh
$75k-$113k/yr HybridFull Time, Part Time
5+ YOEBachelor of Science in environmental, chemical, or civil engineering; minimum 5 years of experience. OSHA HAZWOPER, EIT or PE, and AutoCAD or Revit experience preferred.
AutoCAD, Revit
2mo
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Staff Software Engineer
Chicago, Illinois, United States
$105k-$195k/yr HybridFull Time
10+ YOEBachelor's degree in CS/Engineering, 10+ years software engineering (5+ in cloud), leadership/mentoring experience, strong Java/Spring Boot and Python skills, Databricks/Spark, SQL, cloud, IaC, Docker/Kubernetes, and hands-on AI-assisted development (RAG, Agentic AI).
Java, Spring Boot, Python, Scala, Apache Spark, Databricks, Unity Catalog, Delta Lake, Workflows, Live Tables, SQL, REST APIs, Terraform, Ansible, CI/CD, Docker, Kubernetes, Cursor, Claude Code, Kiro, RAG (Retrieval Augmented Generation), Agentic AI, Angular, Unix/Linux
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