264 software systems engineer jobs at 150 companies in Ohio

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
3mo
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Engineer Senior Principal - Software Systems
Wright-Patterson Air Force Base, Ohio, United States
$121k-$205k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
8+ YOEBachelor's in engineering +8 years (or equivalent) experience, active Secret clearance with ability to obtain TS/SCI, systems engineering experience for C2ISR, SEMP/ICD/SE artifacts, requirements decomposition, testing, RMF/IA, Agile/DevSecOps, Jama/DOORS, SysML/UML, Confluence/Jira.
Jama, DOORS, SysML, UML, Confluence, Jira, Continuous Integration and Continuous Development (CICD), DevSecOps, Systems Engineering Management Plan (SEMP), Risk Management Framework (RMF)
2mo
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Systems Engineer
Beavercreek, Ohio, United States
$100k-$150k/yr OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
3+ YOEBachelor's in engineering; 3-7 years systems engineering; DoD clearance or ability to obtain; experience in requirements, verification, lab/field testing; cross hardware/software work.
RF, PNT, HIL/SIL, GNSS, Simulation, Digital engineering
1mo
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Software Engineer - Mission Systems
Dayton, Ohio, United States
OnsiteFull Time
Resonant Sciences
Resonant Sciences: A research and development firm focused on developing innovative technologies for defense applications.
BS in Computer Science or Computer Engineering; experience in C++ and Python; cross-platform GUI with Qt; CMake; Git/GitLab; customer-facing software; strong communication.
Qt, C++, Python, CMake, Git, Gitlab CI/CD, CUDA/OpenCL, React, Angular
2mo
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Software Systems Designer SME
Beavercreek, Ohio, United States
OnsiteFull Time
Modern Technology Solutions, Inc.
Modern Technology Solutions, Inc.: Provides engineering, technology, and cybersecurity services for national security.
Bachelor’s in Engineering, Computer Science, or related field; TS/SCI clearance; experience in software systems design, integration, and DevSecOps in secure environments; travel up to 20%.
Jira, Confluence, Cameo
1mo
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Controls Systems Engineer
Columbus, Ohio, United States
OnsiteFull Time
BlastOne
BlastOne: Supplies abrasive blasting and industrial coating equipment and services.
7+ YOEBachelor's in electrical engineering, 7+ years industrial control systems experience, PLC programming in Structured Text (Beckhoff TwinCAT), Ignition HMI/SCADA, modular software design, NEC/NFPA familiarity, and system commissioning experience.
Beckhoff TwinCAT, Ignition, Structured Text, EtherCAT, TCP/IP, OPC UA, AutoCAD Electrical, Git, Microsoft Word, Microsoft Excel, Microsoft Outlook
4w
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Software Engineer, Senior
Dayton, Ohio, United States
HybridFull Time
COLSA Corporation
COLSA Corporation: Provides engineering, IT, and cybersecurity solutions to government agencies.
12+ YOEU.S. citizen able to obtain Secret clearance. Bachelor's in ABET engineering plus advanced degree/12+ years or Bachelor's/15+ years in engineering; strong systems/software engineering, software assurance, requirements analysis, and MS Office/Adobe proficiency.
Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft SharePoint, Microsoft Teams, Adobe Acrobat
4d
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Principal Software Engineer
Columbus, Ohio, United States
OnsiteFull Time
FlightSafety International
FlightSafety International: Professional aviation training and flight simulator manufacturing services.
10+ YOE10+ years software engineering experience with architecture leadership, DevSecOps/CI/CD, MBSE/Digital Engineering, systems integration, strong communication and technical leadership.
DevSecOps, CI/CD, Model-Based Systems Engineering (MBSE), Digital Engineering
2mo
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Software Developer
Columbus or United States
$110k-$184k/yr HybridFull Time
McKesson
McKessonNew York Stock Exchange: MCK: Distributes pharmaceuticals and provides healthcare information technology solutions.
4+ YOE4+ years software engineering; backend services; C# and TypeScript proficiency; experience with Ruby, React, JavaScript; Kafka; system integrations.
C#, TypeScript, Ruby, React, JavaScript, Kafka
1w
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Software Engineer Senior
Wright Patterson AFB, Ohio, United States
$85k-$100k/yr OnsiteFull Time
Diaconia
Diaconia: Provides secure IT modernization and engineering for government agencies.
ABET-accredited BS/MS in engineering, extensive software engineering and system integration experience, familiarity with DO-178 and MIL-HDBK-516C, strong analytical and communication skills, DoD/aircraft systems experience preferred.
DO-178, MIL-HDBK-516C
1mo
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Senior Software Engineer
Dayton, Ohio, United States
OnsiteFull Time
Odyssey Systems
Odyssey Systems: Provides engineering, integration, and technical services to defense clients.
15+ YOEUS citizen with SECRET clearance required; ABET-accredited BS in Engineering; 15 years' experience; strong software engineering and software assurance knowledge; familiarity with avionics/aeronautical systems; 10% travel; onsite at Wright-Patterson AFB.
1mo
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Sr. Software Engineer
Dayton, Ohio, United States
RemoteFull Time
Concept Plus: Delivers enterprise IT services for federal government agencies.
8+ YOESecret clearance required; 8+ years software systems engineering or architecture experience. Bachelor\u0002s in IT/Engineering (or equivalent), DoD 8140/8570 certifications, DevSecOps and CI/CD expertise, Java and cloud experience.
Cloud One, Oracle, Java, GitLab CI, Jenkins, Azure DevOps, SonarQube, Docker, Kubernetes, Terraform, Ansible, Bicep, AWS
1mo
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Software Engineer
Dayton, Ohio, United States
HybridFull Time
Tangram Flex
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.
C, C++, Python, CMake, Waf, CMakeLists.txt, Git, GitLab, Podman, Containerfile, ZeroMQ, SSH, IPv4, TCP/UDP
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.
2mo
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Software Systems Designer SME
Beavercreek, Ohio, United States
OnsiteFull Time
Modern Technology Solutions
Modern Technology Solutions: Employee-owned engineering services and solutions provider.
TS/SCI clearance; BS in Engineering, Computer Science, or related field; experience in software systems design, integration, or architecture; familiar with Agile and DevSecOps; ability to travel up to 20%; able to operate in classified environments.
Jira, Confluence, Cameo
4d
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Senior Software Engineer
Plano or Boston or Portsmouth or Indianapolis or Columbus
HybridFull Time
Liberty Mutual
Liberty Mutual: Provider of global property and casualty insurance products.
5+ YOE5+ years software engineering experience; strong data structures, algorithms, system design; proficiency in Python or Java; EMR not mentioned; experience with layered architectures and agile delivery.
Python, Java, React, Node.js, Spring Boot, AWS, RESTful services, RDS
3w
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Software Engineer - Integrations
Manchester or Canada or United Kingdom or Alabama or Arizona or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Iowa or Idaho or Illinois or Indiana or Kansas or Massachusetts or Maryland or Maine or Michigan or Minnesota or Missouri or North Carolina or Nebraska or New Hampshire or New Jersey or New Mexico or New York or Ohio or Oklahoma or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Utah or Virginia or Vermont or Washington or Wisconsin or West Virginia
£50k-£80k/yr HybridFull Time
Mark43
Mark43: Provides cloud-native records and dispatch software for first responders.
3+ YOE3+ years backend software engineering with distributed systems and integrations; experience designing/operating APIs, webhooks or messaging systems; familiarity with Java, TypeScript/JavaScript, REST, SQL/MySQL; strong communication skills; must be authorized to work in the hiring country.
Java, TypeScript, JavaScript, REST, SQL, MySQL, CI/CD, Claude Code Enterprise
1mo
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Aptima Inc. (All Jobs) - Software Engineer, AI Systems
Dayton, Ohio, United States
$125k-$132k/yr OnsiteFull Time
Aptima
Aptima: Engineering human-centered technology solutions for national security.
3+ YOE3-5 years experience in AI/ML and software engineering; ability to obtain US Govt security clearance; strong Python, API/backend, Docker/Kubernetes; ML frameworks experience.
Python, Docker, Kubernetes, CI/CD, APIs, AWS, PyTorch, TensorFlow, LangChain
1mo
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Software Engineer Sr
Cleveland or Strongsville or Pittsburgh or Birmingham or Farmers Branch or Dallas
$55k-$152k/yr OnsiteFull Time
PNC Financial Services
PNC Financial ServicesNYSE: PNC: Provides banking, lending, and investment services to customers.
3+ YOEBachelors degree and 3+ years software engineering experience; strong skills in application design, development, testing, system integration, and consulting with other teams to build content management and eSignature capabilities.
1mo
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Principal Software Engineer
United States or Canada or Columbus or Austin or San Francisco or New York City
$191k-$264k/yr RemoteFull Time
Upstart
UpstartNasdaq: UPST: AI-powered lending marketplace for consumer and automotive loans.
8+ YOEBachelor's or equivalent and 8+ years software engineering experience; designing and operating large-scale distributed systems, relational schemas, APIs, auth/RBAC; partnering with risk/compliance/operations teams.
TypeScript, Node.js, Next.js, Prisma, SOC 2, NIST CSF
2mo
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Avionics Systems Engineer (Evergreen)
Dayton, Ohio, United States
OnsiteFull Time
Odyssey Systems
Odyssey Systems: Provides technical engineering and program management for government agencies.
3+ YOEUS citizen with Secret clearance, Bachelor’s in EE/CE/CS (ABET preferred), 3+ years engineering experience with ≥2 years in avionics/software/test for DoD; ability to develop/document systems, perform airworthiness determinations, and prepare technical reports.