Junior Software Engineer (SE2)

Epsilon Systems Solutions, Inc • Dayton, OH • 1h ago

Junior Software Engineer (SE2) Job ID: 2026-351 Date Posted: 2026-09-10T00:00:00 Location: Dayton, Ohio Minimum Experience: 5 years Education: Bachelor's Degree

Epsilon C5I (www.epsilonsystems.com/c5i), a division of Epsilon Systems Solutions, is a 100 percent employee-owned company founded in 1998 with more than 20 locations serving the Department of Defense, Department of Energy, Department of Homeland Security, non-profit and commercial customers. The Dayton division is one of only five prime awardees for the 10-year, $4.7 billion NOVASTAR contract supporting the National Air and Space Intelligence Center (NASIC), WPAFB, Ohio.

We are seeking a skilled Junior Software Engineer (SE2) to join our dynamic team in building secure, scalable, and high-performance applications. The ideal candidate will bring a strong foundation in software development alongside a keen understanding of secure coding practices, automation, and deployment pipelines.

The Junior Software Engineer will support the design, development, and maintenance of full-stack applications across modern cloud-native environments. This role involves building responsive front-end features, implementing backend services, maintaining CI/CD automation, and working with relational databases. The ideal candidate has foundational programming experience, a desire to learn, and the ability to collaborate within an agile team.

Whether you are passionate about writing clean, maintainable code across the frontend and backend, or you are focused on integrating security into CI/CD workflows, infrastructure as code, and cloud-native environments, we value your ability to work collaboratively across development, operations, and security teams. You will play a key role in driving innovation, ensuring software quality, and embedding security throughout the development lifecycle. Candidates must be able to work independently and as part of a technical team and have effective oral and written communication skills. Successful candidates will have strong problem solving and critical thinking skills.

Duties and Responsibilities:

Develop user-facing components using JavaScript and React.

Build and maintain backend services using Go (Golang).

Work within GitLab to contribute to repositories, manage branches, and assist in creating and maintaining CI/CD pipelines.

Support application automation and deployment workflows using Argo.

Design, query, and maintain relational databases using MariaDB and PostgreSQL.

Troubleshoot software issues across the stack and contribute to incremental improvements.

Collaborate with senior developers to understand requirements, implement features, and ensure high-quality code.

Participate in code reviews, testing activities, and documentation updates.

Learn and apply best practices for containerized applications, DevOps, and cloud-native services.

Required Qualifications:

Bachelor's degree in engineering, computer science, or information technology

Minimum years of experience: 5-9

Applicant Must have an active DoD Top Secret Security Clearance, with SCI access

Pursuant to the various government contractual requirements, all applicants must be U.S. Citizens.

Foundational knowledge of JavaScript and modern front-end frameworks, preferably React.

Basic understanding of Go or willingness to learn backend development in Go.

Familiarity with Git-based workflows (branches, merge requests, commits).

Introductory knowledge of relational databases (MariaDB or PostgreSQL).

Ability to follow CI/CD concepts and participate in pipeline development.

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