83 system test engineer jobs at 49 companies in Mason, OH
3w
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System Test Engineer
Moraine, Ohio, United States
OnsiteFull Time
Bachelor's in engineering preferred; knowledge of C/C++, Matlab/Simulink/Stateflow, HIL and data acquisition; embedded microcontroller and debugging/testing skills; strong communication and problem-solving; ISO 26262 and Automotive SPICE familiarity.
C/C++, Mathworks Matlab, Simulink, Stateflow, HIL, Cradle, Doors, Windchill, Vector CANalyzer, CANape, CANoe, AUTOSAR, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft SharePoint
4w
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Test Engineer
Mason, Ohio, United States
OnsiteFull Time
3+ YOEBSc in Engineering required, 3+ years testing experience with mechatronic systems, knowledge of electrical drive and test/measurement technology, EM automation basics, strong communication skills.
ALM system, Microsoft Word, Microsoft Excel
1d
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Sr Test Engineer - Test Integrator
Dayton or Vandalia
OnsiteFull Time
10+ YOEBachelor's degree in engineering or related field and 10+ years in test engineering or related work. Requires advanced test, systems integration, V&V, leadership, and documentation expertise plus active Secret clearance.
Verification and Validation (V&V), MIL-STD-810, DO-160
1mo
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Test Engineer
Lebanon, Ohio, United States
OnsiteFull Time
2+ YOEBachelor's in engineering required, 2+ years testing/validation experience, experience with hydraulic/electrical systems preferred, ability to lift 50 lbs, travel up to 10%.
1mo
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Flight Test Engineer
Tullahoma or Valparaiso or Huntsville or Edwards Air Force Base or Dayton
OnsiteFull Time
Provide systems engineering, flight test planning and execution for hypersonic programs, develop safety documentation, coordinate range operations, perform post‑flight telemetry analysis, and author technical reports.
2mo
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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
3mo
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Integration & Test Engineer (OH, Dayton)
Dayton, Ohio, United States
OnsiteFull Time
Experience in integration and testing of training systems; develop/test plans; defect tracking; V&V coordination; manage configurations and test artifacts.
Configuration Management, Defect Tracking, Test Planning, Software Testing
2w
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Cloud Test Development Engineer
Florence, Kentucky, United States
OnsiteFull Time
5+ YOE5+ years in software manufacturing test development; strong Python/BASH/C/C++ and Linux skills; experience with test systems, IPMI/Redfish, VM configuration, networking, and Git; BS in related field preferred MS.
Python, BASH, C, C++, CentOS, Ubuntu, IPMI, Redfish, mprime, FIO, Linpack, ptugen, memtester, DHCP, PXE, nginx, VMWare, Arista CloudVision, Git, BGP, ECMP
2w
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Engineer Systems Test 5
Dayton, Ohio, United States
$131k-$165k/yr OnsiteFull Time
15+ YOE10+ MgmtActive SECRET clearance, 15 years related experience with 10 years as Test Manager (or equivalent with Master's), deep DoD/USAF T&E and acquisition knowledge, strong communication and leadership skills.
1mo
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Manufacturing Test Engineer, AWS Manufacturing and Repair
Austin or Bellevue or Florence
$86k-$150k/yr OnsiteFull Time
3+ YOEBachelor's degree (CS or equivalent); 2+ years software development and 3+ years systems/test architecture and systems engineering experience; proficiency with C++, C#, Java, Python, Golang, PowerShell, Ruby, Bash; knowledge of networking, storage, and OS fundamentals.
C++, C#, Java, Python, Golang, PowerShell, Ruby, Bash
1w
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Senior System Engineer
Fairborn, Ohio, United States
OnsiteFull Time
12+ YOEBachelor's in Engineering with 12+ years experience, 5+ years DoD experience, active Secret clearance, weapons-systems and integration experience, strong documentation, testing, and configuration management skills.
MQ-9, TENCAP
6d
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Sr. Motor Test Engineer
Norwood, Ohio, United States
$82k-$210k/yr OnsiteFull Time
7+ YOEBachelor's in electrical engineering or equivalent, 7+ years in industrial electrical systems/motor testing, experience with variable speed drives, PLC/HMI, CAD, strong electrical safety focus.
Step-7, TIA Portal, WinCC, SAP, Microsoft Office, PROFIBUS, PROFINET, Ethernet/IP, CAD, PLC, HMI, Perfect Harmony, data acquisition systems
2w
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Test and Evaluation (T&E) Engineer
Dayton, Ohio, United States
OnsiteFull Time
5+ YOEUS citizen with TS/SCI clearance, B.S. in engineering/computer science, 5+ years T&E or systems engineering experience, JWICS experience, Python proficiency, and DoD/IC program background.
Python, Joint Worldwide Intelligence Communications System (JWICS), C++, Java
3w
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Lead Systems and RF System Engineer
Woburn or Boston or Arlington or Dayton or Melbourne or Carlsbad or Atlanta
$160k-$220k/yr OnsiteFull Time
10+ YOEBS in EE/Applied Math/Physics,10+ years RF systems experience, ability to obtain U.S. security clearance, RF design, integration, test, requirements and verification experience.
MATLAB, Python, ANSYS HFSS, Sonnet, C/C++
2mo
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On-Site Flight Systems Test Engineer (Hill AFB, Utah)
Hill AFB, Utah, United States
$100k-$245k/yr OnsiteFull Time
2+ YOEBS in Engineering/Math/Physics with 2+ years in test/flight systems; experience with defense weapon systems; clearance eligible; willingness to relocate to Hill AFB.
Test engineering, Flight test analysis, Flight system development, Instrumentation, Data analysis
1mo
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Software QA Test Engineer Intern - Fall 2026
Cincinnati, Ohio, United States
OnsiteFull Time
Enrolled in a bachelor’s program in CS/Information Systems or related; strong Microsoft Word and Excel skills; basic manual testing knowledge; analytical and communication skills; ability to learn test tools.
Microsoft Word, Microsoft Excel
2mo
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Small UAS Test Manager
Beavercreek Township, Ohio, United States
OnsiteFull Time
7+ YOEBachelor’s degree in engineering, physics, aviation, systems engineering, or related field; 7+ years in test and evaluation or aerospace; DoD/T&E experience; ability to travel; active Secret clearance.
1mo
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Software QA Test Engineer Intern - Fall 2026
Cincinnati, Ohio, United States
OnsiteFull Time, Internship
Working toward a bachelor's in CS/Information Systems or related; strong Microsoft Word/Excel skills; basic manual testing knowledge; excellent analytical and communication skills.
Microsoft Word, Microsoft Excel
2w
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Specialist, Integration & Training Engineer (41353)
Dayton or Chantilly
FieldFull Time
6+ YOE6+ years integrating and testing complex communications systems. Requires active TS/SCI with poly, bachelor's degree (or equivalent experience), training development and delivery, troubleshooting, and strong communication skills.
Microsoft Word, Microsoft PowerPoint, Microsoft Excel
1mo
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Systems Engineer
West Chester, Ohio, United States
OnsiteFull Time
Bachelor's degree in electrical/RF engineering, proven RF system design, simulation and testing experience, Secret clearance minimum (TS/SCI preferred), familiarity with RF measurement equipment and SCEPTRE, US citizenship required.
SCEPTRE, spectrum analyzer, vector network analyzer