MBSE Engineer (ES4)
Job ID: 2026-63
Date Posted: 2026-02-25T00:00:00
Location: Dayton, Ohio
Minimum Experience: 10 years
Education: Master'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 servicing a 10-year, $4.7 billion NOVASTAR contract supporting the National Air and Space Intelligence Center (NASIC), WPAFB, Ohio.

The full-time MBSE Engineer/Scientist 4 (ES4) will model systems and the use of those models in support of the NASIC / NSIC mission. Candidates will lead the efforts of junior model-based systems engineers. 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:

• Create system reference models.

• Perform and lead system analysis.

• Supervise the efforts of other model-based systems engineers.

• Write analysis reports and develop briefings.

• Work independently and in a team environment.

Required Qualifications:

• At a minimum, hold a master’s degree in systems, electrical, aerospace, software, or mechanical engineering or similar degree.

• 10 or more years of relevant experience.

• Applicants must have an active DoD Top Secret Security Clearance, with SCI eligibility.

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

Required: ADA Notations:

• Regular communication (hearing/speaking).

• Noise conditions range from very quiet to noisy.

• Prolonged use of computer (typing/keyboarding).

• Frequently required to sit for long periods of time, stand, walk, and may occasionally lift and move at least 25 pounds.

• 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.