778 junior engineer jobs at 327 companies in Mason, OH
5d
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Junior Systems Engineer
Beavercreek, Ohio, United States
$80k-$100k/yr OnsiteFull Time
0+ YOEBachelor's in engineering discipline, 0–2 years experience, foundational systems engineering knowledge, ability to work in lab/test environments, ability to obtain U.S. DoD security clearance.
1mo
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Junior Field Services Engineer
Sharonville, Ohio, United States
FieldFull Time
Bachelor's degree in engineering or engineering technology, ability to diagnose and repair mechanical/electromechanical/electronic equipment, lift up to 50 lbs, valid driver’s license and passport, U.S. citizenship, able to travel 70%+, background checks required.
Waygate Technologies, Phoenix 2D & 3D CT X‑ray testing machine, high-end PCs
2mo
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MODEL BASED SYSTEMS ENGINEER- JUNIOR (MBSE)
Beavercreek or Huntsville or Colorado Springs or Crestview or Tupelo
OnsiteFull Time
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)
1d
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Junior AI Engineer
Columbus or Philadelphia or Cincinnati or Clifton Park or Omaha
OnsiteFull Time
1+ YOE1–3 years software/data engineering experience, proficiency with Python and SQL, ability to write production-ready code, follow MLOps practices, and collaborate with technical teams.
Python, SQL
1mo
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Junior Data Engineer
Cincinnati, Ohio, United States
OnsiteFull Time
Bachelor's in CS/Data Science, internship or entry-level data/software engineering experience; knowledge of Snowflake, SQL, ETL/ELT (dbt, ADF, SSIS), Power BI, REST APIs; Python and C#/Azure are a plus.
Snowflake, ANSI SQL, SQL Server, T-SQL, dbt, Azure Data Factory, SSIS, Microsoft Power BI, Fivetran, Python, REST API, C#, Azure
2mo
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Junior Developer
Dayton, Ohio, United States
RemoteFull Time
Concept Plus: Delivers enterprise IT services for federal government agencies.
2+ YOEActive Secret clearance and US citizenship required; 2 years software development experience; familiarity with Java, SDLC/Agile, Git; client 8140 or 8570 IAM Level II certifications required; experience with CI/CD, cloud, containers, and security/compliance practices.
Cloud One, Oracle, Java, GitHub Actions, GitLab CI, Jenkins, Azure DevOps, Terraform, CloudFormation, ARM templates, SAST, DAST, AWS, Azure, GCP, Docker, Kubernetes, Git
1mo
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Junior Water Services Engineer (Fall 2026 Start!)
Cincinnati, Ohio, United States
$61k-$100k/yr OnsiteFull Time
0+ YOEBachelor's in Civil/Environmental/Chemical Engineering; entry-level (0 years) considered; CADD/Excel and water modeling skills; willingness to travel up to 10%.
ArcGIS, HEC-RAS, SWMM, CADD, Microsoft Excel
2mo
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Junior Data Engineer
Cincinnati, Ohio, United States
OnsiteFull Time
Bachelor's in CS/Data Science or related, internship or entry-level data/software engineering experience. Knowledge of Snowflake, SQL, ETL/ELT (dbt, Azure Data Factory, SSIS), Power BI, SQL Server/T-SQL; Python, Fivetran, REST API, C#/Azure preferred.
Snowflake, ANSI SQL, SQL Server, T-SQL, dbt, Microsoft Azure Data Factory, SSIS, Microsoft Power BI, Fivetran, Python, REST API, C#, Microsoft Azure
1mo
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Junior Water Services Engineer (Fall 2026 Start!)
Cincinnati, Ohio, United States
$61k-$100k/yr OnsiteFull Time
0+ YOEBachelor's in Civil/Environmental/Chemical Engineering or related; 0 years experience required (entry-level); travel up to 10%; basic CADD, MS Excel/Word, ArcGIS, HEC-RAS, SWMM familiarity; strong communication skills.
ArcGIS, HEC-RAS, SWMM, CADD, Microsoft Excel, Microsoft Word
2w
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Junior Software Engineer
Dayton, Ohio, United States
OnsiteFull Time
2+ YOEU.S. citizen able to obtain Secret clearance. BS in CS/CE or related, 2 years related experience (or MS with 1 year). Experience with automated testing, containers, CI/CD, Linux, Git, and Agile.
Java, C, C++, Python, Linux, Git, Kubernetes, CONAN, CMake, CI/CD, container orchestration, containerized deployments, containerized environments, UDP, TCP/IP, MBSE, AGILE
1mo
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C++ Software Engineer, Junior
Beavercreek, Ohio, United States
$55k-$126k/yr OnsiteFull Time
Secret clearance required, Bachelor's in STEM, knowledge of C++ fundamentals, experience designing and writing software using Agile methods, debugging and testing skills; CI/CD tools and modeling/simulation experience are a plus.
C++, AFSIM, Git, Jira, Bamboo, CI/CD
5d
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Junior Software Engineer - DAFFM
Ellsworth Air Force Base or Wright-Patterson Air Force Base
OnsiteContract
Perform software sustainment, testing, troubleshooting, configuration, and integration support; experience with WebSphere, DB2, enterprise Java/middleware, scripting, change-control, and DoD 8570/8140 requirements.
WebSphere, DB2, CyberArk, Java
1mo
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Software Engineer, Junior
Dayton, Ohio, United States
OnsiteFull Time
3+ YOEBachelor's in a STEM field (or equivalent), 3+ years in algorithm development/scientific computing or ML workflow support, strong Python programming, familiarity with Git/GitLab/Bitbucket/Jira/Jenkins, U.S. citizenship and ability to obtain security clearance.
Python, Windows, Linux, Git, GitLab, Bitbucket, Jira, Jenkins
2w
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Mechanical Engineer Intern/Co-op Fall 2026
Dublin or Lexington or Cincinnati or Framingham or Arlington or Annapolis
OnsiteFull Time
Pursuing a Bachelor in Mechanical or Architectural Engineering (sophomore/junior preferred); AutoCAD/Revit experience preferred; MS Word/Excel proficiency; able to work full-time onsite and travel locally; no sponsorship.
AutoCAD, Revit, Microsoft Word, Microsoft Excel
1mo
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C++ Software Engineer, Junior
Beavercreek or United States
$55k-$126k/yr OnsiteFull Time
Bachelor's degree in STEM required, knowledge of C++ fundamentals, experience with Agile development, ability to write and troubleshoot code, and eligibility for Secret clearance.
C++, AFSIM, Git, Jira, Bamboo, CI/CD, Agile
2d
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Engineer II or Engineer III - Grid Operations
Harrison or Plainfield
HybridFull Time
2+ YOEABET BS in Engineering required; Engineer II: 2 years experience, Engineer III: 4 years. Experience with distribution SCADA/ADMS, scripting (Python, PowerShell, PERL, C#), and relational databases preferred.
Distribution SCADA, Advanced Distribution Management System (ADMS), Python, PowerShell, PERL, C#, MySQL, Microsoft SQL, PostgreSQL
4w
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Engineer/Senior Engineer – T&D Standards
Indianapolis or Dayton
HybridFull Time
1+ YOEBSc in electrical engineering (ABET) required; 1–3+ years design/engineering/construction experience in substation, transmission, or distribution; strong communication; ability to apply technical standards.
Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, Microsoft Word
2d
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Contract Engineer
Hamilton, Ohio, United States
OnsiteFull Time
2+ YOEBachelor's in engineering, 2 years engineering/quoting experience, proficiency with 3D CAD (Creo/ProE) and 2D CAD (AutoCAD), Excel and Oracle ERP knowledge, ASME B31.3 familiarity, BOM and quoting experience.
Creo/ProE, AutoCAD, Microsoft Excel, Oracle ERP
2mo
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Junior Software Developer
Beavercreek or Dayton
OnsiteFull Time
6+ YOEActive TS/SCI clearance; 6+ years software development; BS in Computer Science or related field; Python, Java, C++, Go, Rust, JavaScript/TypeScript, SQL/NoSQL; TensorFlow/PyTorch; DevSecOps tools; cloud platforms; ML/AI experience; secure coding practices.
Python, Java, C++, Go, Rust, JavaScript, TypeScript, SQL, NoSQL, TensorFlow, PyTorch, Matplotlib, OpenCV, Docker, Kubernetes, Jenkins, GitLab CI/CD, Terraform, Ansible, Security Scanning, AWS, Azure, GCP, MLOps
3w
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Advance Planning Engineer, Senior-WAX 1.04.02
Wright-Patterson Air Force Base, Ohio, United States
OnsiteFull Time
15+ YOEActive Top Secret clearance, ABET-accredited bachelor's in engineering, minimum 15 years' engineering experience supporting aircraft/systems acquisition, systems engineering and documentation experience, ability to oversee junior staff.
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