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Principle Software Engineer (Dayton, OH)

Department: Epsilon C5I
Location: Dayton, OH

Epsilon Systems C5I ( is focused on software development and systems engineering for complex command, control, intelligence and combat systems is seeking a TS/SCI cleared Principle Software Engineer with 12+ years’ experience for work in Dayton, OH. Our engineering efforts provide the warfighter with tools support critical support to operational missions to improve targeting capabilities. If you have a passion for excellence in engineering and enjoy working on challenging projects in a fast-paced, team-oriented environment – read on!

Duties and Responsibilities:

  • Design, develop, and implement web applications to power a national toolset with a large user base.
  • Perform systems administration duties
  • Write well designed, testable and efficient code that meets technical requirements.
  • Work closely with users to troubleshoot code defects and deploy timely fixes.
  • 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 Computer Science or related discipline.
  • At least twelve (12+) years of experience to include Software Design, Development, Test, and Evaluation.
  • Must have an active TS/SCI clearance.
  • Hands on experience with Java, C++, JavaScript, React.js, Web Services.
  • Experience programming within a cloud environment (AWS preferred).
  • Experience with modern version control systems (i.e., SVN, Git).
  • Experience administering/monitoring Windows Servers (including security requirements) and upgrading operational systems.
  • Good interpersonal skills and the ability to communicate with all levels of business users and management.
  • Ability to work individually and on team projects in an environment of teamwork and cooperation.
  • Effective written, oral, and presentation skills.
  • Pursuant to the various government contractual requirements, all applicants must be U.S. Citizens.

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. and its subsidiaries are proud to be Equal Employment Opportunity and Affirmative Action employers, Minority/Female/Disabled/Veterans.

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