519 c c engineer jobs at 231 companies in Zion, IL
2d
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Principal C Engineer
Hyderabad or New York City or Chicago or London or Singapore or Tokyo or Hong Kong
HybridFull Time
10+ YOEBSc/MSc in relevant engineering, 10+ years' relevant experience including 5+ in electronic trading, strong C on Linux, capital markets and FIX knowledge, high-performance and multithreaded systems, testing and Jenkins.
C, Linux, FIX, Jenkins, gdb, valgrind, Python, Java, Wireshark
1mo
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Junior C++ Developer
Chicago or London or New York
$150k-$200k/yr OnsiteFull Time
Strong foundation in algorithms, data structures, distributed systems, and software design; proficiency in low-level C++; familiarity with automated testing and CI/CD; strong communication and collaboration skills.
C++, CI/CD
1mo
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Junior C++ Developer
New York or Chicago or London
$150k-$200k/yr OnsiteFull Time
Strong foundation in algorithms, data structures, distributed systems, and software design; desire to learn low-level C++; familiarity with automated testing and CI/CD; excellent communication skills.
C++, CI/CD, Order Management System (OMS)
4d
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C++ Developer Intern
Chicago, Illinois, United States
$84k/yr OnsiteInternship
0+ YOEC++ fundamentals, STL, memory management, move semantics, templates, data structures, algorithms, threading, Linux, and command-line tools. Strong communication and analytical skills required; projects or coursework demonstrate readiness.
C++, STL, Linux, Python, C#, SQL, Git, gdb, valgrind, perf, flamegraph
5d
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C++ Software Engineer
Chicago or New York City
$175k-$225k/yr OnsiteFull Time
2+ YOEBachelor’s or Master’s degree in computer science, computer engineering, or related field; 2+ years using modern C++ in low-latency environments; hardware platform development experience.
C++, ASICs, FPGAs
1mo
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Sr. Substation P&C Engineer
Los Angeles or United States or Warrenville or Houston or Denver or Moscow
RemoteFull Time
5+ YOEBachelor's in Electrical Engineering, 5+ years substation P&C engineering experience, hands-on with relay protection (SEL, GE, Siemens, ABB), knowledge of NERC/PRC/IEEE/NEC, utilities/EPC/consulting experience; PE preferred.
SEL, GE, Siemens, ABB, AutoCAD, MicroStation, Bluebeam, SCADA
3mo
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C++ Software Engineer – Latency-Critical Systems
Chicago, Illinois, United States
$110k-$150k/yr OnsiteFull Time
2+ YOE2+ years professional C++ experience; modern C++ (C++17/20); Linux/Windows; performance-focused; BS in CS/CE or equivalent
C++, Linux, Windows, STL, Performance Profiling, Debugging
4w
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Graduate C++ Developer (2027 Incoming Graduate, Full-Time)
Chicago, Illinois, United States
$125k-$200k/yr OnsiteFull Time
1+ YOEStudent graduating in 2027 with CS/Engineering degree, 1+ C++ internship experience, knowledge of low-latency systems, STL, Boost, Linux, git, and strong problem-solving and communication skills.
C++, STL, Boost, Linux, git
1w
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Senior I&C Engineer, Water/Wastewater
Chicago or New York City
$108k-$162k/yr HybridFull Time
10+ YOEPE required; BS in Electrical or Mechanical Engineering and 10–15 years of relevant industrial engineering consulting or controls integration experience. Water/wastewater experience preferred.
SCADA, HMI, PLC, DCS, Rockwell, Siemens, Modicon, General Electric, WonderWare, IFIX, RS View, Intellution, P&ID
3w
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C#/.NET Developer (Application & Database Development)
Chicago, Illinois, United States
HybridContract
5+ YOE5+ years software development experience; bachelor's degree in CS/Engineering/Information Systems; strong C#, .NET, ASP.NET, SQL Server, T-SQL, EMR skills; Git and Azure DevOps experience; strong analytical and communication skills.
C#, .NET Framework, .NET Core, .NET 8+, ASP.NET MVC, ASP.NET Core, SQL Server, T-SQL, Entity Framework, Azure, SSIS, SSRS, Power BI, Azure DevOps, Docker, Visual Studio, Git, SQL Server Management Studio (SSMS), Jira
2mo
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Senior P & C Designer
Charlotte or Roanoke or St. Louis or Pittsburgh or Chicago or Phoenix or Marlton
$85k-$100k/yr HybridFull Time
5+ YOE5+ years substation or electrical T&D design; CAD (AutoCAD/MicroStation); NESC/NEC/IEEE knowledge; HV/MV/EHV expertise; schedule management; client interaction.
AutoCAD, MicroStation, Microsoft Office
3mo
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C++ Software Developer
Amsterdam or Chicago or London or New York City
OnsiteFull Time
Strong C++ ability, fundamentals of software engineering, experience building scalable distributed systems, network programming, and performance optimization; computing degree preferred or extensive professional experience.
C++, Linux
2mo
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Senior Software Engineer C++
New York or Chicago
$150k-$225k/yr HybridFull Time
7+ YOEExpertise in Linux C++ low-latency systems, 7+ years software engineering, BS/MS in engineering/computing/science, Git, gdb, valgrind, Python/bash, networking knowledge.
Linux, C++, Git, gdb, valgrind, Python, bash
1d
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Senior P&C Engineer
Tampa or Atlanta or Buffalo or Chicago or Los Angeles or Miami or Seattle or Boston or Dallas or Houston or United States
$140k-$190k/yr RemoteFull Time
4+ YOEElectrical engineering degree, US PE or P.Eng. registration, and 4+ years of protection and control engineering experience. Requires relay, SCADA, communication protocol, and ETAP expertise.
SCADA, RTU, IEC 61850, DNP3, Modbus, SEL, GE, Siemens, ETAP, ASPEN, CYME, EasyPower, SKM, PSCAD, NERC, NFPA 70, AC/DC
1mo
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Senior Software Engineer, C++
Amsterdam or New York City or Chicago
$185k-$225k/yr OnsiteFull Time
Flow Traders: Provides liquidity and market making across global financial markets.
5+ YOE5+ years C++ development experience, strong algorithms and multithreading knowledge, interest in high-performance systems, and good communication skills.
C++, Rust, Python, TypeScript, FIX, WebSocket, HTTP, TLS
3d
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Lead P&C Engineer
Oakbrook Terrace or United States
$98k-$164k/yr RemoteFull Time
7+ YOEBachelor's degree in electrical engineering or similar, 7+ years engineering experience, 5+ years in substation or power-generation protection and controls, English fluency, and travel availability up to 20%.
IEC 61850, SCADA, Cyber Security, Telecom, AC, HVDC, FACTS, BESS, IED, ISO9002
1mo
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Principal AI Systems Engineer — C++ / Applied AI
San Jose or San Francisco or Seattle or New York City or Chicago or California
$190k-$361k/yr OnsiteFull Time
10+ YOE10+ years professional software engineering with deep C++ expertise, production integration of AI/LLMs, cross‑platform systems design, reliability and observability, architecture leadership, and strong communication skills.
C++, LLMs, GPT, Claude, Gemini, JSON-RPC, gRPC, WebSockets, REST, TLS, CI, Windows, macOS, Linux
1mo
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Senior Software Engineer, Innovation (Python/C#)
Milwaukee or Mequon or Austin or Mayfield Heights
HybridFull Time
5+ YOESenior-level software engineer with 5+ years preferred, bachelor's degree or equivalent, US work authorization (no sponsorship), ability to travel up to 25%, experience with Python/C#/C++/Java, ML frameworks, Git, databases, and cloud platforms.
Python, C#, C++, Java, TensorFlow, PyTorch, Scikit-learn, OpenClaw, GitHub, GitLab, MySQL, PostgreSQL, Oracle, Grafana, AWS, Azure, Google Cloud
2mo
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Senior Software Engineer, C++ (Algo)
Chicago, Illinois, United States
$150k-$250k/yr OnsiteFull Time
10+ YOE10+ years building high-availability server-side systems; 3+ years with modern C++ or Rust; strong multithreading and hardware/software interaction; bachelor's in CS/Engineering; strong communication and AI tooling familiarity.
C++, Rust, Java, Python, JavaScript, Ruby, TCP, UDP, IPV4
1w
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Experienced P&C Field Services Technician
Minneapolis or Milwaukee
FieldFull Time
7+ YOEHigh school diploma, 7+ years of electrical testing experience, protective relay and substation testing expertise, valid driver's license, clean record, physical ability to lift equipment, and willingness to travel up to 80%.
Omicron CMC 256/356, Doble F6150, ProTesT, Protection Suite, ENOSERV RTS, Omicron Test Universe, AcSELerator Quickset, SEL-311L, SEL-387, SEL-487, SEL-421, SEL-351S, GE L90, GE D60, PLC