457 system developer jobs at 194 companies in Marysville, OH
3mo
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System Engineer (EW)
Fairborn, Ohio, United States
$122k-$149k/yr OnsiteFull Time
10+ YOEBachelor’s in engineering; 10+ years in advanced technology programs; active Top Secret with SCI; airborne EW experience; SAP/SCI in classified environments; EW, radar and comms test and evaluation expertise; USAF SIGINT knowledge; Top Secret with SCI access; 4+ years operational EW.
EW, Radar, Communications Systems, Test and Evaluation
2mo
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Senior Gnd System Engineer
Colorado Springs or Beavercreek
$147k-$250k/yr OnsiteFull Time
10+ YOESenior ground systems engineer with 10+ years in classified space control, C2, and related technologies.
MIL-STD, Joint Capabilities Integrated Development System, C2, DoDI 8500.01
3mo
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System Development Engineer, Controls Development Experience
Austin or Seattle or Columbus or Herndon
$129k-$175k/yr OnsiteFull Time
2+ YOE2+ years professional software development; 1+ years design/architecture; knowledge of systems engineering concepts; experience with at least one modern language (C++, C#, Java, Python, Go, PowerShell, Ruby); Agile/Scrum preferred.
C++, C#, Java, Python, Golang, PowerShell, Ruby
2mo
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Thermal System Controls Developer
Westerville, Ohio, United States
OnsiteFull Time
Bachelor's degree or equivalent experience; experience in industrial automation/HVAC/PLC programming (Codesys, IEC 61131-3/Structured Text); Python scripting; HMI/SCADA development; knowledge of Modbus TCP, BACnet, MQTT; ability to read P&IDs; willingness to travel ~20%.
Codesys, IEC 61131-3, Structured Text, Python, PLC, SCADA, Ignition, Unify, Git, Modbus TCP, BACnet, MQTT
3mo
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Power System Protection Engineer
Louisville or Lewis Center
$85k-$170k/yr OnsiteFull Time
5+ YOEBachelor's in Electrical Engineering; 5+ years in power system protection; experience with relays; customer relationships; travel up to 25%.
protective relays, power system protection, troubleshooting, customer support
1d
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Manufacturing System Engineer - Testing Machine System Owner
New Albany, Ohio, United States
$105k-$143k/yr OnsiteFull Time
2+ YOERequires a master's degree, or relevant automation experience with a bachelor's, associate's, or high school diploma/GED; pharmaceutical, medical device, or biotechnology automation experience is required by education level.
PLC, HMI, Machine Vision, Serialization, Robotics, Siemens, Rockwell
1w
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System Security Engineer/Software Engineer Lead (76414)
Columbus or Beavercreek
$110k-$140k/yr HybridFull Time
5+ YOEBachelor's in CS/CE/EE with 5+ years (or Master's with 3+), US citizenship, ability to obtain DoD Top Secret clearance, experience with microelectronic systems, security frameworks (NIST SP 800-53, MITRE ATT&CK), and scripting/version control.
Cadence, VLSI, NIST SP 800-53, MITRE ATT&CK, Git, Python, Bash, PowerShell, Batch Scripts, Electronic Design Automation (EDA)
2mo
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System Security Engineer - SME
Wright-Patterson AFB, Ohio, United States
OnsiteFull Time
15+ YOE15+ years DoD work; SAP/SCI in last 5 years; TS/SCI with SCI/SAP access; BS/MS in Electrical/ Radar/ Software/ Microelectronics/ Computer Engineering.
2mo
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System Security Engineer - Senior
Wright-Patterson AFB, Ohio, United States
OnsiteFull Time
10+ YOETen years DoD experience; SAP/SCI experience; active Top Secret/SCI clearance; BS and MS in Electrical/Radar/Software/Microelectronics/Computer Engineering (MS preferred).
2mo
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Sr Mechanical System Engineer
Vandalia, Ohio, United States
OnsiteFull Time
10+ YOEBachelor's in Mechanical or Aerospace Engineering; 10+ years in mechanical or systems engineering; liaison/test support experience; strong cross-functional collaboration.
MBSE, Test Instrumentation, Data Acquisition, Aircraft Maintenance Manuals (AMM), ICDs
3w
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Web Developer*
Wright-Patterson Air Force Base or Dayton
RemoteFull Time
4+ YOEExperience developing web applications with Adobe ColdFusion, Oracle and Microsoft SQL Server, HTML/CSS/JavaScript/jQuery; systems analysis, SDLC participation, and strong written/verbal communication.
Adobe ColdFusion, Oracle PL/SQL, Microsoft SQL Server (T-SQL), HTML, CSS, JavaScript, jQuery, Microsoft Teams
6d
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Distribution System Operations Real-Time Reliability Engineer
New Albany, Ohio, United States
$88k-$151k/yr OnsiteFull Time
2+ YOEBachelor's degree in ABET-accredited engineering and 2+ years of related experience; master's degree may qualify at entry level. Requires analytical, communication, collaboration, decision-making, and on-call capabilities.
Distributed Energy Resources (DER), Distributed Energy Resource Aggregations (DERA), Virtual Power Plants (VPP), DERMS, ADMS, FLISR, SCADA, Volt/VAR Optimization, Fault Location Isolation and Service Restoration (FLISR), Microsoft Excel, IEEE, EPRI, NERC, RTO, ISO, FERC Order 2222, NCEES
6d
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Instructional System Designer (ISD)
Wright Patterson AFB, Ohio, United States
OnsiteFull Time
Bachelor's degree in instructional design or related field, or five years of applied ISD experience; instructional design expertise, multimedia development, analytical skills, and proficiency with named technologies required.
Adobe Captivate, SCORM, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Teams, Zoom, Adobe Acrobat, ADDIE
1mo
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SME - System Engineer, Subject Matter Expert - 29059 *
Wright-Patterson Air Force Base or Beavercreek or Fairborn or Dayton or Riverside
$136k-$170k/yr OnsiteFull Time
15+ YOESenior systems engineer with extensive EW, radar, signals, RF chain, algorithm, integration, test, and verification experience; Secret clearance required and ability to obtain TS/SCI; 10–15+ years relevant experience depending on degree.
2w
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Software Engineer III (Java/Fullstack)
Columbus, Ohio, United States
OnsiteFull Time
3+ YOE3+ years applied software engineering experience, system design and development, familiarity with SDLC and agile practices, experience with enterprise environments and AI-assisted development tools.
Java, CI/CD
14h
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Senior Software Engineer
Columbus or Irvine or United States
HybridFull Time
5+ YOE5+ years of software engineering experience with Elixir and/or Python, production application development, scalable distributed systems, project ownership, and strong communication and collaboration skills.
Elixir, Python, AWS, Azure, Google Cloud, Docker, Kubernetes, PostgreSQL, NoSQL
14h
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Senior Software Engineer
Columbus or Irvine or United States or New York City
HybridFull Time
5+ YOERequires 5+ years of software engineering experience, production Elixir and/or Python development, distributed systems expertise, and strong communication, collaboration, and project ownership skills.
Elixir, Python, AWS, Azure, Google Cloud, Docker, Kubernetes, PostgreSQL, NoSQL
1mo
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Principal Software Engineer
Charlotte or Chicago or Columbus or Hartford
$168k-$253k/yr HybridFull Time
12+ YOERequires 12+ years in enterprise application development, a computer science or engineering bachelor's degree, and expertise in Java, Spring Boot, Angular/TypeScript, SQL, APIs, cloud platforms, and distributed systems.
Java, Spring Boot, Angular, TypeScript, SQL, AWS, Application Insights, Splunk, APIs, microservices, CI/CD, DevOps, DevSecOps, Identity and Access Management, AI frameworks
4d
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Senior .NET Developer (Software Development Specialist 3)
Columbus or Akron or Dayton
$42-$61/hr OnsiteFull Time
5+ YOERequires .NET experience plus code review, requirements, and application development standards experience; associate or bachelor's computer science/information systems coursework may substitute for some experience.
.NET Framework, .NET 6, .NET 7, ASP.NET Core, Azure App Services, Azure Functions, Kubernetes, Microsoft Azure DevOps, RESTful APIs, CI/CD
2mo
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Software Engineer
Van Wert or Dublin
HybridFull Time
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.
Claude Code, Java, SQL, .NET, Go, C
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