119 systems developer jobs at 69 companies in Defiance, OH

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Scientist, Systems Engineering (Chief Systems Engineer) (38227)
Fort Wayne, Indiana, United States
OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
15+ YOELead systems engineering across lifecycle, develop and trace requirements, lead integration and test of EO/IR systems, mentor engineers; requires extensive aerospace/defense experience and active US Secret clearance.
DOORS, CAMEO, MagicDraw, MATLAB, python
4d
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Senior Principal Systems Engineer II - Systems Architect
Endicott or Austin or Fort Wayne
$136k-$231k/yr HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA.: Produces advanced defense, aerospace, and information security systems.
12+ YOEBachelor's in engineering,12+ years avionics/electronic controls experience,systems lifecycle and integration expertise,technical writing skills,MBSE/SysML experience preferred.
MBSE, SysML, MagicDraw, Cameo, Mentor Graphics, ARM
4d
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Senior Principal Systems Lead Engineer
Ft. Wayne or Telework
$174k-$184k/yr HybridFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
8+ YOEBachelor's in STEM+10 years or Master's+8 years systems engineering experience, DoD Secret clearance and U.S. citizenship required; MBSE, system architecture, HW/SW integration, prototype leadership, and up to 25% travel.
Cameo/MagicDraw, Confluence, Jira, Python, MATLAB/Simulink, Git, Creo, SolidWorks, AWS, WinTAK, GeoSuite, NVIDIA Jetson, CUDA, TensorRT, Oscilloscope, Spectrum Analyzer, Logic Analyzer, Embedded Linux
3w
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Lead Systems Engineer - Electronic Warfare
Fort Wayne, Indiana, United States
$132k-$252k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
10+ YOEU.S. citizen with active transferable Secret clearance, Bachelor's in STEM (preferred), 10+ years systems engineering experience in EW/Radar, experience with requirements decomposition, architecture definition, integration & V&V, and producing systems engineering artifacts.
MATLAB, C/C++, Java, DOORS, Cameo, Jira, Confluence
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Principal AI Systems Engineer
Auburn, Indiana, United States
$170k-$190k/yr RemoteFull Time
Traction Ag
Traction Ag: Cloud-based farm management and accounting software for farmers.
7+ YOE7+ years in software/data/platform engineering with 2+ years on AI/ML systems; experience designing AI retrieval, RAG, vector search, embeddings, and workflow orchestration; proficiency in Python, Node, Angular, TypeScript; API/webhook integrations and strong communication skills.
Python, Node, Angular, TypeScript, Atlassian, Notion, HubSpot, Slack, Jira, Figma, Google Workspace, Canva
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GenAI Python Systems Engineer-Manager
Chicago or Raleigh or Charlotte or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Rochester or Rosemont or Sacramento or Boston or St. Louis or Salt Lake City or San Antonio or San Diego or San Francisco or Silicon Valley or Seattle or Albany or Stamford or Tampa or Atlanta or Toledo or Houston or Irvine or Jacksonville or Kansas City or Los Angeles or Louisville or Fayetteville or Melville or Miami or Milwaukee or Minneapolis or Nashville or New Orleans or Los Angeles or New York or Portland or Philadelphia or San Antonio or Denver or Des Moines or Indianapolis or Irvine or Fresno or Hartford or Tampa or Miami or San Francisco or Washington or New York or Portland or Philadelphia or Phoenix or Pittsburgh or Seattle or Denver or Portland or New York
$99k-$232k/yr OnsiteFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
5+ YOE5 years of experience in data, analytics, and AI; proficient in Python and SQL; Docker experience; cloud (AWS/Azure/GCP); AI/LLM techniques; prompt engineering; DevOps with cloud services; travel up to 80%
Python, SQL, Docker, AWS, Azure, GCP, Terraform, CloudFormation
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Systems Engineering Program Lead (Onsite)
Fort Wayne, Indiana, United States
$122k-$208k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
10+ YOEBachelor's in engineering (or equivalent) with 10+ years experience; active Secret clearance (eligible for SCI/SAP); systems engineering lifecycle experience, MBSE (MagicDraw), Agile, cost/account management, team leadership, strong communication.
MagicDraw
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Fire Safety - Life Safety Systems Engineer - Tempe, Arizona, United States
Portland or Tempe or Moon Township or Latham or Birmingham or Little Rock or Sacramento or Denver or Wethersfield or Fort Myers Beach or West Des Moines or Boise or Chicago or Fort Wayne or Lawrence or Louisville or Baton Rouge or Boston or Baltimore or Troy or St Paul or Jackson or Kansas City or Charlotte or Hudson or Morristown or Albuquerque or Henderson or Cincinnati or Tulsa or Greenville or Chattanooga or Salt Lake City or Arlington or Bellevue or Madison or Houston or Fort Worth or Atlanta or Omaha or Dallas
$103k-$156k/yr HybridFull Time
Jacobs
JacobsNYSE: J: Global provider of professional engineering and technical services.
4+ YOEBachelor's in Engineering, 4+ years safety system design experience, proficiency with AutoCAD/Revit MEP, knowledge of IFC/IBC/NFPA codes, VESDA and fire alarm systems; PE preferred; visa sponsorship not available.
AutoCAD, Revit MEP, Revit, VESDA
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IS Developer
Exton or Lexington or Peachtree City or Bridgman or Holland or Detroit or Houston
HybridFull Time
Convergix Automation Solutions
Convergix Automation Solutions: Designs and integrates custom industrial automation and robotics.
Experience with MES/IIoT and industrial controls, PLC platforms, network design, industrial software (Rockwell, Siemens, Aveva/Wonderware, GE), development using Python/Java/JavaScript/.NET, database systems, and practical use of AI coding assistants.
GitHub Copilot, Claude, Python, Java, JavaScript, Microsoft .NET, Microsoft SQL Server, PostgreSQL, MySQL, Oracle, InfluxDB, MQTT, Azure DevOps, AWS, Node-Red, Docker, Rockwell, Siemens, Aveva/Wonderware, GE, Inductive Automation's Ignition Platform, Sepasoft, Cirrus Link Solutions
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Software Engineer
Van Wert or Dublin
HybridFull Time
Central Insurance
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.
Claude Code, Java, SQL, .NET, Go, C
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Senior Project Engineer - Roofing Systems
Littleton or Bremen or Scottsboro or Hazleton or Macon or Rockdale or Milan or Fernley or Hillsboro or Jacksonville
$121k-$166k/yr OnsiteFull Time
Johns Manville
Johns Manville: Manufactures high-performance insulation, roofing systems, and engineered fibers.
5+ YOEBachelor’s in Engineering; 5+ years industrial/manufacturing project experience; strong PM, leadership, and communication skills.
MS Project, Primavera, SAP, MS Office
2w
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Systems V&V Team Leader
Maumee or Toledo
OnsiteFull Time
Dana
DanaNYSE: DAN: Manufacturer of vehicle driveline and thermal management systems.
8+ YOEBachelor's in engineering/CS, minimum 8+ years embedded software validation, experience with automotive validation tools, knowledge of C/C++, SW testing methodologies and automotive standards (ASPICE, ISO 26262, AUTOSAR).
VectorCast, Vector Canape, CANalyzer/CANoe, CANdella Studio, Typhoon, dSPACE, Automation Desk, Synect, Polarion, Jira, Azure Git, C, C++, ASPICE, ISO 26262, IATF-16949, ISO-SAE-21434, AUTOSAR, Cyber Security Testing Methods
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Software Engineer- MES II USA
Perrysburg, Ohio, United States
$91k-$130k/yr OnsiteFull Time
First Solar
First SolarNASDAQ: FSLR: Designs and manufactures thin-film photovoltaic solar modules.
4+ YOE4+ years in manufacturing systems or software teams; strong C#, XAML, ASP.NET, JavaScript, T-SQL; experience with SQL Server, SSIS; knowledge of PLC/OPC systems is a plus.
C#, XAML, ASP.NET, JavaScript, T-SQL, MSMQ, AngularJS, SSIS, SQL Server
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Electrical Engineer - Battery Cell & Battery Management Systems (Indefinite US Work Authorization) (New Bremen, OH, US, 45869)
New Bremen, Ohio, United States
OnsiteFull Time
Crown Equipment
Crown Equipment: Manufactures and distributes forklifts and material handling equipment.
5+ YOEBachelor’s in Electrical/Mechanical Engineering; 5+ years battery systems experience; MATLAB/Simulink; data analysis; travel up to 20%; valid driver’s license and passport.
MATLAB/Simulink
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Software Engineer- Sage Intacct
Maumee, Ohio, United States
RemoteFull Time
Aktion Associates
Aktion Associates: North American ERP software reseller and top workplaces in 2025.
3+ YOESage Intacct experience required; 3 years with Sage Intacct and cloud-based financial systems; Bachelor's degree preferred; Proficiency in Postman, HTML, SQL, PHP, .NET, XSL; US work authorization.
Postman, HTML, SQL, PHP, NET, XSL, Sage Intacct
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Controls Engineer
Van Wert, Ohio, United States
OnsiteFull Time
Alliance Automation
Alliance Automation: Designs and builds custom robotic systems for industrial manufacturing.
5+ YOE5+ years experience; related degree or equivalent; proficiency with PLC/PAC, vision systems, and robot platforms; ability to design control architectures, develop code, commission and debug equipment, and interface with customers.
PLC, PAC, M.E.S., vision systems, robot platforms
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Electrical Engineer
Toledo, Ohio, United States
OnsiteFull Time
Fishbeck
Fishbeck: Independent professional consulting firm
5+ YOEMinimum 5 years experience designing power distribution, lighting, fire alarm, security, access control, network, and instrumentation & control systems for various facilities; hands-on development of construction documents; field investigations; client interaction; and construction administration.
AutoCAD, Revit MEP, Design Master Electrical, Microsoft Office, Easy Power, Lighting design software
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Engineer 1
Bowling Green, Ohio, United States
OnsiteFull Time
M.C. Dean
M.C. Dean: Design-build and systems integration for complex, mission-critical infrastructure.
0+ YOEBachelor's degree in system engineering, computer science, information systems, engineering science, or related discipline; 0+ years of experience; willing to travel up to 25%; strong communication and multidisciplinary teamwork skills.
Microsoft Excel, Microsoft Word, PowerPoint
3w
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Product Development Engineer II
Fort Wayne, Indiana, United States
OnsiteFull Time
Press-Seal: Designs and manufactures sealing solutions for underground infrastructure systems.
5+ YOEDesign and develop rubber/plastic products and manufacturing systems; 5+ years product design experience, 3+ years process/manufacturing experience; proficiency with AutoCAD/Inventor and Microsoft Office; knowledge of FEA, APQP, SPC, ISO9001, ASTM.
AutoCAD, Inventor, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft Access, Microsoft PowerPoint, Microsoft Project, FEA, APQP, SPC, ISO9001, ASTM
3mo
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Engineer - Licensed
Toledo, Ohio, United States
OnsiteFull Time
American Cruise Lines
American Cruise Lines: Operates small ship and river cruises within the United States.
Licensed engineer with MMC; experience with diesel machinery, hydraulics, and electrical systems; shipboard operations and regulatory compliance.
Diesel machinery, Electrical systems, Hydraulics, Pumps, Marine propulsion, Water makers