Software Engineer II (SE2 - Largo, FL)

Epsilon Systems Solutions • Full-time • Seminole, FL, US • 2h ago

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 has recently been named as 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. The Dayton division has added over 70 full-time employees in just three years and are making plans now to exceed 100 full-time employees by this time next year. We are looking for talented individuals with a passion to serve their nation as we take on the challenges facing the country from threats around the world. Are you ready?

We're seeking a skilled Full Stack Developer II or DevSecOps Engineer II to join our dynamic team in Largo, FL, 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. Whether you're passionate about writing clean, maintainable code across the frontend and backend, or you're 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’ll 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. Desire an active TS/SCI clearance. Hybrid and remote work available.

Duties And Responsibilities

Maintain and enhance existing systems in the development of new features.
Deploy new secure systems and networks.
Conduct post processing and data reduction.
Apply and follow Scrum framework principles.
Write analysis reports and develop briefings.
Work independently and in a team environment.
Design, develop, and implement web applications to power a national toolset with a large user base.
Assists senior Software Engineers with routine assignments.
Applies fundamental knowledge of operating systems and programming languages.
Works on well-defined problems and learns under direct supervision.
Possesses sufficient writing skills to prepare and generate technical reports and other documentation pertinent to the position.
Produce well-written designed, testable and efficient code that meets technical requirements.
Participate in a highly collaborative team environment, contributing to all phases of the development lifecycle.
Deploy applications on classified and secured networks.
Deliver projects on time and with attention to quality.

Required Qualifications

Bachelor of Science degree in engineering, computer science, or information technology.
5 – 10 years of relevant software development experience.
Hands on experience with React and TypeScript/JavaScript.
Good interpersonal skills and the ability to communicate with all levels of business users and management.
Ability to work closely with users to troubleshoot code defects and deploy timely fixes.
Ability to work individually and on team projects in an environment of teamwork and cooperation.
Effective written, oral, and presentation skills.
Applicants must be willing and able to obtain DoD Top Secret security clearance, with SCI access eligibility.
Pursuant to the various government contractual requirements, all applicants must be U.S. Citizens.

Desired Qualification

CI/CD tools (e.g., Jenkins, GitLab CI).
Cloud security (AWS, Azure, GCP).
Container security (Docker, Kubernetes).
Threat modeling, secure coding practices.
Scripting (Python, Bash).
Frontend: React, Angular, Vue, etc.
Backend: Node.js, Django, Spring Boot, etc.
Databases: SQL (PostgreSQL, MySQL), NoSQL (MongoDB).
RESTful APIs, GraphQL.
Git, Docker
Experience with RHEL and CENTOS.

ADA Notations

Regular communication (hearing/speaking).
Noise conditions range from very quiet to very noisy.
Prolonged use of computer (typing/keyboarding).
Frequently required to sit for long periods of time, stand, and walk.
Ability to travel by car, air or other means of transportation, if required.

Epsilon Systems Solutions, Inc. is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.

Related Jobs

Software Engineer I - CEC

Epsilon Systems Solutions • Full-time • Seminole, FL, US • 3w ago

Engineering Software Development

Epsilon C5I (www.epsilonsystems.com/c5i), focused on software development and systems engineering for intelligence and combat systems is seeking a Software Engineer with 0-4 years’ experience for work in Largo, FL. Our e...

3w ago

Apply

Environmental Engineer or Geologist

S&ME • Full-time • Tampa, FL, US • 3d ago

Engineering Science Geologist

Environmental Engineer or Geologist Requisition #: 2026- 1840-02 Are you an Environmental Engineer or Geologist who enjoys both the technical challenge of solving complex environmental problems and the client-facing side...

3d ago

Apply

Senior Geotechnical Engineer

S&ME • Full-time • Tampa, FL, US • 1w ago

Engineering

Senior Geotechnical Engineer Requisition Number: 2026-1840-01 S&ME is looking for an experienced and driven Senior Geotechnical Engineer to lead and build our geotechnical team in Tampa, Florida . This is an opportun...

1w ago

Apply

Designer - Energy

Larson Design Group • Full-time • Tampa, FL • $59k - $69k / year • 2w ago

Engineering

About Us At Larson Design Group (LDG), we’re more than an award-winning Architecture, Engineering, and Consulting firm; we’re a team of passionate professionals united by a bold purpose: creatively shaping our world. Fro...

2w ago

Apply

Model Based Systems Engineer (MBSE) Modeler (ES1) - Largo, FL

Epsilon Systems Solutions • Full-time • Seminole, FL, US • $70k - $77k / year • 3w ago

Engineering

3w ago

Apply

Systems Engineer I (CEC)

Epsilon Systems Solutions • Full-time • Seminole, FL, US • 3w ago

Engineering

Epsilon C5I (www.epsilonsystems.com/c5i), focused on software development and systems engineering for intelligence and combat systems is seeking a Systems Engineer I with 0-4 years’ experience for work in Largo, FL. Our...

3w ago

Apply

Entry-level Civil or Environmental Engineer - Solid Waste

SCS Engineers • Full-time • Tampa, FL, US • 3w ago

Engineering

What we are looking for Are you looking for a career that will make an impact globally and within your local community? SCS is on the forefront of developing sustainable environmental protection practices by working with...

3w ago

Apply

Mechanical Engineer

Smith Seckman Reid, Inc. • Full-time • Tampa, FL, US • 1m ago

Engineering

At SSR, we’re more than a leading engineering design, consulting, and planning firm—we’re a team of owners committed to solving complex projects and delivering innovative solutions for facility and infrastructure challen...

1m ago

Apply

Florida Water Treatment Leader

Brown and Caldwell • Full-time • Tampa, Florida, United States • 2m ago

Engineering Management

Brown and Caldwell is looking for a Drinking Water Treatment Project Manager and Client Service Manager to join our water treatment practice. This candidate will help lead strategic drinking water projects to support res...

2m ago

Apply

Civil or Environmental Engineer

SCS Engineers • Full-time • Tampa, FL, US • 3m ago

Engineering

What we are looking for Are you an innovative engineer eager to make a real difference both globally and in your own community? Join SCS, a leader in sustainable environmental solutions, where we collaborate with industr...

3m ago

Apply