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481 systems software engineer jobs at 259 companies in Illinois

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Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
3d
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Principal Systems Software Engineer
Santa Clara or Champaign
$272k-$431k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs graphics processing units and artificial intelligence hardware.
15+ YOE15+ years software development experience; strong C++, Java or Scala skills; CUDA/C++ experience; distributed systems and OSS data platform familiarity; BS/MS/PhD or equivalent.
Apache Spark, Velox, Presto, Apache Arrow, Apache DataFusion, cuDF, CCCL, UCX, CUDA, C++, Java, Scala, AWS EMR, Databricks, Google Dataproc, Oracle Cloud Data Flow, Bytedance Volcengine, Tencent Cloud, Cloudera, RAPIDS
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Principal Systems Software Engineer
Santa Clara or Champaign
$272k-$431k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
15+ YOE15+ years software development experience; strong C++, Java, or Scala skills; experience designing distributed systems; familiarity with Apache Spark and OSS data platform ecosystem; BS/MS/PhD in CS or related (or equivalent experience).
Java, Scala, CUDA/C++, C++, cuDF, CCCL, UCX, RAPIDS Spark, Apache Spark, Parquet, ORC, JSON, Apache Iceberg, Delta Lake, Unity Catalog, AWS EMR, Databricks, Google Dataproc, Oracle Cloud Data Flow, Bytedance Volcengine, Tencent Cloud, Cloudera, Velox, Presto, Apache Arrow, Apache DataFusion
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Systems Software Engineer - US Remote
Texas or Minnesota or South Dakota or North Dakota or Kansas or Missouri or Montana or Oklahoma or Wisconsin or Maryland or Utah or Illinois or United States
$85k-$90k/yr RemoteFull Time
Motorola Solutions
Motorola SolutionsNYSE: MSI: Provides mission-critical communications and public safety technology.
3+ YOERequires 3+ years software experience, high school diploma and Bachelor's degree in CS/Engineering or related field, ability to obtain government background clearance, US work authorization, experience with C#, XML, Python, .NET and SQL databases.
C#, XML, Python, .NET, SQL, MS SQL, Oracle, MySQL, PostgreSQL, Agile
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2mo
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Software Engineer (Embedded Systems)
Danville, Illinois, United States
$70k-$80k/yr OnsiteFull Time
Watchfire Signs
Watchfire Signs: Designs and manufactures outdoor LED signs and digital billboards.
0+ YOEBS/MS in CS/CE/EE; 0-3 years embedded software; C++ on embedded systems; Linux on ARM/x86; knowledge of protocols; OO design; strong debugging and communication skills.
C++, Linux, Git, Jenkins, Jira, Python, OO Design
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Software Engineer, AI & Product Systems
Naperville, Illinois, United States
$80k-$150k/yr OnsiteFull Time
MedPro Disposal
MedPro Disposal: Provides medical waste management and healthcare compliance services.
3+ YOE3+ years software engineering; Node.js/Next.js/TypeScript; PostgreSQL or Supabase; REST/OAuth2/JWT; AI/LLM integration; CI/CD; security and reliability.
Node.js, Next.js, TypeScript, PostgreSQL, Supabase, REST, OAuth2, JWT, WebSockets, GitHub Actions, Vercel, n8n, SOQL
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2mo
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Software Engineer – Trading Systems
Chicago, Illinois, United States
$100k-$140k/yr OnsiteFull Time
Wolverine Trading
Wolverine Trading: Proprietary trading, asset management, and execution services firm.
2+ YOEBachelor's in CS or related field; 2+ years software development; strong C++, concurrent programming; knowledge of algorithms and data structures; good communication.
C++
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Software Engineer | Market Data Systems
Chicago, Illinois, United States
$200k-$250k/yr OnsiteFull Time
Jump Trading
Jump Trading: Global proprietary trading firm specializing in algorithmic and high-frequency strategies
5+ YOE5+ years building production software in performance-critical environments; strong C++ and Rust experience; real-time streaming and low-latency systems expertise; concurrency, memory, and network programming skills.
C++, Rust, TCP, UDP, multicast, Linux
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Senior Software Engineer, Agentic Systems
Chicago or United States
$169k-$208k/yr RemoteFull Time
Horizon3.ai
Horizon3.ai: Autonomous penetration testing platform for continuous security assessment.
5+ YOE5+ years building production software with strong Python; hands-on experience building LLM-powered agents, prompt/context engineering, production LLM reliability, evaluation harnesses, testing and observability.
Python, LLM, AWS Bedrock, Neo4j, NodeZero
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Autonomy Systems Engineer
Mossville or Tucson
$113k-$183k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
Requires an engineering degree, systems engineering experience integrating autonomy hardware/software with base machines, industry experience in mining or construction preferred, and experience in requirements definition, systems integration, and testing.
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Systems Engineer Staff
Hill AFB or Utah or California or Massachusetts or New York or Colorado or Hawaii or Illinois or Maryland or Minnesota or New Jersey or Vermont or Washington or District of Columbia
$109k-$193k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
8+ YOEAbility to obtain/maintain Secret clearance (US citizenship required). Systems engineering experience including architecture, ICDs, integration, test planning/execution; subsystem experience (electrical, mechanical, propulsion, RF, software).
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2mo
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Senior Software Engineer- Machine Control Systems
Hazel Crest, Illinois, United States
$110k-$125k/yr OnsiteFull Time
Lanco Group
Lanco Group: Manufactures heavy lifting equipment and provides terminal automation solutions.
10+ YOE10+ years in product validation; mechanical, electrical, or hydraulic systems in heavy equipment; accredited engineering degree; masters preferred.
C/C++, Python, MATLAB/Simulink
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Software Engineer
Illinois or Kentucky or Kansas or Idaho or Washington or Michigan or Florida or California or Texas or Oklahoma or Tennessee or North Carolina or Minnesota or Massachusetts or Indiana or Georgia or Arizona or Missouri or Alabama or Connecticut or District of Columbia or South Carolina or Oregon
$79k-$119k/yr HybridFull Time
Relativity
Relativity: AI-powered platform for legal discovery and data intelligence.
Backend software engineering role; experience with C# or Python; strong distributed systems knowledge; cloud experience preferred.
C#, Python, GitHub Actions, Azure, Kubernetes
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2mo
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Senior Software Engineer- Machine Control Systems
Hazel Crest, Illinois, United States
$110k-$125k/yr OnsiteFull Time
Lanco
Lanco: Manufactures and services heavy lifting and material handling equipment.
10+ YOESenior software engineer with full-stack focus, real-time IoT, hardware integration, and heavy machinery experience.
C/C++, Python, MATLAB/Simulink, EtherCAT, CAN bus, Modbus, Ethernet/IP
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Senior Software Engineer, Design Systems
North Chicago, Illinois, United States
$97k-$184k/yr HybridFull Time
AbbVie
AbbVieNYSE: ABBV: Develops and sells innovative pharmaceutical and biopharmaceutical medicines.
5+ YOEExpert React and TypeScript skills, front-end design-system experience, Claude Code skills and agentic AI workflow development, Python/Node.js backend capability, Storybook/GitHub/Axe proficiency, accessibility (WCAG) and strong communication.
React, TypeScript, Python, Node.js, Storybook, GitHub, Axe, Claude Code, Figma, OutSystems, Angular, HTML, CSS, MCP
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Senior Systems Engineer
Des Plaines, Illinois, United States
$100k-$150k/yr OnsiteFull Time
Kranze Technology Solutions
Kranze Technology SolutionsNYSE: SPXC: Develops countermeasure systems and networking solutions for military aircraft.
10+ YOEBachelor's degree in engineering with 10+ years experience, strong networking and routing knowledge, Linux and C/C++ proficiency, hardware/software troubleshooting, ability to obtain US security clearance and to travel.
Linux, C/C++, MANET, HAIPE
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2mo
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Senior Software Engineer- Machine Control Systems
Hazel Crest, Illinois, United States
$110k-$125k/yr OnsiteFull Time
The Lanco Group
The Lanco Group: Manufactures specialized heavy lifting and material handling equipment.
10+ YOESenior software development engineer with 10+ years in industrial automation, real-time data processing, full-stack development, machine control, and cross-disciplinary collaboration.
C/C++, Python, MATLAB/Simulink, EtherCAT, CAN bus, Modbus, Ethernet/IP
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Principal/Sr. Principal Systems Engineer
Rolling Meadows, Illinois, United States
$109k-$204k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
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
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Systems Engineer/Principal Systems Engineer (Integration & Test)
Rolling Meadows, Illinois, United States
$88k-$163k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEUS citizen able to obtain/maintain government clearance (SAP/Secret); BS/MS/PhD in EE/ME or related; 2+ years (Systems) or 5+ years (Principal) experience; troubleshooting hardware/software/firmware; test planning and execution; DOORS, MBSE/Cameo, MATLAB, C/C++, Java, Python familiarity.
DOORS, Cameo, MATLAB, C, C++, Java, Python
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MECHANICAL SYSTEMS ENGINEER
Vernon Hills, Illinois, United States
$65k-$75k/yr OnsiteFull Time
Intellihot
Intellihot: Manufactures sustainable tankless water heating systems for commercial buildings.
3+ YOEBS in Mechanical Engineering or equivalent experience (3-5 years); strong problem solving, communication, and software skills; travel up to 25%.
Windows, Microsoft Office, Excel, Word, PowerPoint
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1mo
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Expert Systems Engineer
Grand Rapids or Wauwatosa or Atlanta or Plano or Texas or Illinois or Ohio
$134k-$197k/yr OnsiteFull Time
KION Group
KION GroupXETRA: KGX: Provides industrial trucks and automated supply chain solutions globally.
7+ YOEBS in Electrical/Controls/Software Engineering required, 7+ years engineering experience (material handling preferred), master\u0002s preferred, ability to create technical documentation, customer-facing, and willingness to travel ~30% annually.
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