128 c software engineer jobs at 35 companies in Sidney, OH
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
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).
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
Bachelor's degree in STEM required, knowledge of C++ fundamentals, experience with Agile development, ability to write and troubleshoot code, and eligibility for Secret clearance.
Stellar Science: Scientific software for advanced physics-based modeling and simulation.
3+ YOEMid level C++ software engineer with 3+ years experience; BS required, MS/PhD preferred; US citizen; willing to undergo background check; may travel to sites; security clearance a plus.
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
Secret clearance required, Bachelor's in STEM, knowledge of C++ fundamentals, experience designing and writing software using Agile methods, debugging and testing skills; CI/CD tools and modeling/simulation experience are a plus.
Tangram Flex: Develops software integration tools for mission-critical defense systems.
3+ YOEBachelor's in a technical field, U.S. citizenship/ability to obtain DoD security clearance, 3+ years engineering/software development experience, deep proficiency in C/C++/Python, build systems (CMake, Waf), Git/GitLab, containerization (Podman), and up to 25% travel.
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
10+ YOEBachelor’s in Computer Science or Computer Engineering; strong C++; experience with multiple languages and frameworks; 10+ years software engineering; TS/SCI clearance or ability to obtain.
Resonant Sciences: A research and development firm focused on developing and transitioning innovative RF and electronic technologies into operational platforms.
10+ YOEBachelor's in software engineering or related, 10+ years experience, C/C++ and FPGA integration, RF signal processing, Yocto/Linux driver development, Xilinx platform knowledge, U.S. citizenship and ability to obtain Secret clearance.
Fuyao Glass AmericaShanghai Stock Exchange: 600660: Manufactures and supplies glass for the global automotive industry
Bachelor's in CS/Software Engineering, proven software development experience in control systems, strong programming in C++, Python or Java, familiarity with testing methodologies, and strong problem-solving and collaboration skills.
Skyline Scientific: Specialized engineering and analytical services for remote sensing systems.
10+ YOEBachelor's in STEM or equivalent, 10+ years of scientific/algorithm/software engineering experience, strong Python skills, familiarity with Git/GitLab/Bitbucket/Jira/Jenkins, U.S. citizenship and ability to obtain security clearance, comfortable working in classified environments.
Central Insurance: Provides property and casualty insurance to individuals and businesses.
2+ YOEMaster's in CS or related, or Bachelor's +2 years, or 4 years related experience. Experience with cloud-native systems, AI-assisted development (e.g., Claude Code), and one or more languages (Java, SQL, .NET, Go, C). Strong testing, debugging, and collaboration skills.
Leonardo DRSNASDAQ: DRS: Manufactures advanced electronic systems for defense and military applications.
Bachelor's in engineering or related field, novice technical expertise, experience with C, C++, or C# and object-oriented development. Rust, cryptography/HAIPE, and AI/ML experience preferred.
Wright-Patterson Air Force Base, Ohio, United States
$72k-$123k/yrOnsiteFull Time
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
2+ YOEBachelor's in engineering or related field plus 2+ years experience; current Secret clearance with ability to obtain and maintain Top Secret/SCI; experience with Rust, C/C++, Java, Python, Linux, containerization, and messaging/protocols.
Gitlab, Markdown, Docker, Kubernetes, Rust, C/C++, Java, OMS/UCI, Python, Linux, Kafka, Protobuf, Active MQ, TCP/IP, gtest, ctest, Model Based System Engineering (MBSE), DevSecOps
Modern Technology Solutions, Inc.: Provides engineering, technology, and cybersecurity services for national security.
2+ YOEBachelor's in CS/Engineering, 2+ years C++ experience, modeling & simulation experience, Windows/Linux development, Git, Top Secret/SCI clearance with SAP eligibility preferred.
Modern Technology Solutions: An employee-owned engineering services providing modeling, simulation, cybersecurity, AI, and mission assurance solutions to defense and national security customers.
2+ YOEBachelors in CS/Engineering, 2+ years C++ development, modeling & simulation experience, Windows/Linux development, OOP and design patterns, Git, active Top Secret/SCI clearance required.
DCS Corporation: Providing engineering and technical services for national security.
5+ YOEU.S. citizenship, BS in CS/Aerospace/Electrical/Mechanical, 5+ years related experience, eligibility for Secret clearance, C/C++ with Visual Studio, AFSIM experience, strong English communication.
Principal / Senior Principal Embedded Software Engineer
Beavercreek, Ohio, United States
$104k-$194k/yrOnsiteFull Time
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEU.S. citizen able to obtain Secret clearance. STEM degree with relevant years of software development experience, proficiency in C/C++/Python, experience with software management tools and embedded/safety-critical systems.