126 engineer java jobs at 38 companies in Greenville, OH

1mo
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Java Developer Senior
Beavercreek, Ohio, United States
$75k-$160k/yr OnsiteFull Time
Bering Straits Native Corporation
Bering Straits Native Corporation: Provides government contracting, IT, logistics, and construction services.
Senior Java developer with strong Java, JavaScript, SQL; experience with cloud, CI/CD, RESTful services; government security clearance; Bachelor's in Engineering; US citizenship.
Java, JavaScript, SQL, Ext JS, JUnit, Eclipse, Oracle SQL Developer, REST, SOAP, Git, CI/CD, Cloud
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
6d
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Integration Engineer
Dayton, Ohio, United States
OnsiteFull Time
DCS Corporation
DCS Corporation: Providing engineering and technical services for national security.
5+ YOEBS in engineering/science/math and 5+ years experience; active Secret DoD clearance, proficiency with C/C++/Python/Java, system integration, Agile familiarity, and strong technical communication.
C, C++, Python, Java, MS TFS, Confluence, Jira, REST APIs, CI/CD
1mo
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Software Engineer IV - NovaStar
Dayton, Ohio, United States
OnsiteFull Time
Applied Research Solutions
Applied Research Solutions: Providing technical engineering and mission support to defense agencies.
TS/SCI clearance, US citizen, Master's in Engineering/CS/IT, experience with Java, Python, JavaScript/TypeScript, Angular/Vue, NodeJS; cloud and Gov projects preferred.
Java, Python, JavaScript, TypeScript, Angular, Vue.js, Node.js, OpenAPI, PostgreSQL, Redis, Kubernetes, Helm, Terraform, Kafka, TensorFlow, PyTorch
3mo
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Engineer II – Software
Wright-Patterson Air Force Base, Ohio, United States
$72k-$123k/yr OnsiteFull Time
BAE Systems
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
6d
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Software Engineer/Principal Software Engineer–Java (TS/SCI-CI Poly) (AHT)
Wright-Patterson Air Force Base, Ohio, United States
$83k-$155k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEActive TS/SCI with CI polygraph, 2+ years Java development experience (level dependent), STEM degree, ability to work in SCIF, strong communication and problem-solving skills.
Java, JEE, Spring, RESTful services, Python, Bash, PowerShell
6d
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Software Engineer/Principal Software Engineer–Java (TS/SCI-CI Poly) (AHT)
Wright-Patterson AFB, Ohio, United States
$83k-$155k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
3+ YOETS/SCI with CI poly required; 3+ years Java experience; STEM bachelor's or master's; experience with JEE/Spring, RESTful integration; strong communication and secure coding practices.
Java, JEE, Spring, RESTful, Python, Bash, PowerShell
3mo
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DIGITAL ENGINEER
Dayton, Ohio, United States
OnsiteFull Time
Ignite Fueling Innovation
Ignite Fueling Innovation: Provides professional services and technical solutions for federal agencies.
3+ YOEBachelor's in STEM; 3+ years MBSE/DE experience; SysML/UML; Java/C++/Python; MBSE tools; active TS/SCI clearance.
Cameo Systems Modeler, MagicDraw, IBM Rhapsody, Enterprise Architect, SysML, UML, Java, C++, Python
3w
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Systems Integration Engineer
Dayton, Ohio, United States
OnsiteFull Time
Odyssey Systems
Odyssey Systems: Provides engineering, integration, and technical services to defense clients.
3+ YOEUS citizen with Secret clearance; ABET engineering degree + 3 years (3 in DoD) or 7 years related experience (5 in DoD). Experience with TCP/IP, UDP, HTTP, SSL; development with C, C++, Java on Windows/Sun/Linux/Unix; strong communication and leadership.
TCP/IP, UDP, HTTP, SSL, C, C++, Java, Windows, Sun, Linux, Unix
5d
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Modeling and Simulation Engineer
Beavercreek, Ohio, United States
OnsiteFull Time
Radiance Technologies
Radiance Technologies: Engineering and technology solutions for defense and intelligence.
3+ YOEBachelor's in engineering/physics, 3+ years software or simulation experience, proficiency in C++, C#, Python or Java, Visual Studio/VS Code and Microsoft Office, agile experience, US citizenship able to obtain clearance.
C++, C#, Python, Java, Microsoft Office, Visual Studio, Visual Studio Code, SysML, Model-Based System Engineering (MBSE), AFSIM
1mo
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Systems Integration Engineer, Principal
Dayton, Ohio, United States
OnsiteFull Time
Astrion
Astrion: Provides engineering, cybersecurity, and mission support services.
20+ YOETop Secret clearance and U.S. citizenship; advanced degree or extensive experience (20+ years) in engineering with significant DoD experience; expertise in system integration, requirements development, risk analysis, networking protocols, Windows/Sun/Linux/Unix, and C/C++ or Java.
TCP/IP, UDP, HTTP, SSL, Windows, Sun, Linux, Unix, C/C++, Java
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Equipment Engineer
Troy, Ohio, United States
OnsiteFull Time
Novacel Americas
Novacel Americas: Manufacturer of surface protection films and industrial adhesive tapes.
8+ YOEBachelor's in electrical/controls/mechatronics, 8+ years industrial electrical/controls/automation experience, PLC/HMI/VFD expertise, programming (Python, Java, C#, JavaScript), CMMS familiarity, electrical schematics and root-cause analysis skills.
PLC, HMI, VFD, Allen-Bradley, Siemens, Python, Java, C#, JavaScript, PLC Programming, CMMS
2mo
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Principal Model Based Systems Engineer
Dayton, Ohio, United States
OnsiteFull Time
Odyssey Systems
Odyssey Systems: Provides technical engineering and program management for government agencies.
20+ YOEUS citizen with Top Secret clearance. Advanced engineering degree plus 20 years DoD experience (or BS +25 years). Experience in systems engineering, DoD 5000 acquisition, MIL‑HDBK‑516/MIL‑STD‑882, DOORS/SysML/Cameo, networking protocols, and C/C++/Java.
DOORS, SysML, Cameo, TCP/IP, UDP, HTTP, SSL, Windows, Sun, Linux, Unix, C/C++, Java
1mo
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MODEL BASED SYSTEMS ENGINEER- JUNIOR (MBSE)
Beavercreek or Huntsville or Colorado Springs or Crestview or Tupelo
OnsiteFull Time
Sentry Construction
Sentry Construction: Provides general contracting and comprehensive property maintenance services.
Top-Secret clearance (SCI eligibility), BS in systems engineering/aerospace or related field, MBSE tool experience (Cameo, MagicDraw, Rhapsody, Enterprise Architect), SysML, and familiarity with Java/C++/Python preferred.
Cameo Systems Modeler, MagicDraw, IBM Rhapsody, Enterprise Architect, SysML, Java, C++, Python, DoD Architecture Framework (DoDAF), Unified Architecture Framework (UAF)
1w
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Systems Engineer and Architect (Pending Contract Award)
Dayton, Ohio, United States
OnsiteFull Time
Design Interactive
Design Interactive: A small business delivering end-to-end systems engineering, data science, and digital transformation solutions for defense and commercial clients.
5+ YOEAbility to obtain DoD clearance, 5+ years systems engineering/architecture experience, MBSE and hybrid cloud proficiency, SDLC and Java experience, strong analytical and communication skills; MS/PhD preferred.
Model-Based Systems Engineering (MBSE), Software Development Lifecycle (SDLC), Java, Artificial Intelligence & Machine Learning (AI/ML)
5d
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Systems Engineer
Dayton, Ohio, United States
$65k-$110k/yr OnsiteFull Time
Integrated Solutions for Systems
Integrated Solutions for Systems: Provides engineering, systems integration, and research for defense.
0+ YOEExperience with MBSE tools and practices, requirements and architecture development, scripting for model data export, and integration of system models; bachelor’s degree in engineering required.
MBSE, Cameo/MagicDraw, Rhapsody, Java, C++, Apache Velocity, SysML, UML, UAF
2mo
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Senior Alt-PNT Research Engineer
Dayton, Ohio, United States
OnsiteFull Time
University of Dayton: Catholic research university providing undergraduate and graduate higher education.
8+ YOEMaster’s in EE/CE/CS or related, 8+ years experience, Python/C++/Java, Linux/Windows, Git, travel ~10%, Alt-PNT sensor tech, US citizen with ability to obtain DoD Secret clearance.
Python, C++, Java, Git, Linux, Windows
3mo
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Principal Model-Based Systems Engineer
Woburn or Dayton or Arlington
$206k-$284k/yr OnsiteFull Time
Systems & Technology Research
Systems & Technology Research: Develops advanced technology for national security and defense applications.
10+ YOEActive DoD Secret Clearance with ability to obtain Top Secret, BS/MS/PhD in a technical field, 10+ years Systems Engineering, 5+ years SysML in Cameo, software-intensive systems experience.
SysML, Cameo, MagicDraw, Java, Python, C/C++
1mo
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Software Control Engineer
Moraine, Ohio, United States
OnsiteFull Time
Fuyao Glass America
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.
C++, Python, Java, Agile, Machine Learning
3w
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AI Developer
Beavercreek, Ohio, United States
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
2+ YOE2+ years building production software in Python, TypeScript, or Java; experience with LLMs, RAG, agentic workflows, cloud data foundations (AWS); CI/CD, containerization, and MLOps practices; Secret clearance and bachelor’s degree in CS/Software Engineering/Data Science.
Python, TypeScript, Java, FastAPI, Flask, REST, GraphQL, SQL, LLMs, RAG, AWS, Kafka, NATS, RabbitMQ, CI/CD, containerization, RMF, STIG