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Salary
≈ $90k – $178k per year (Estimated)
Location
In office (Charleston)
Seniority
Middle · 3+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Apr 28, 2026.

Overview
Company
Impact
Profile match
Fathom 4 delivers trusted defense engineering solutions across C5ISR, cybersecurity, software, hardware, and logistics for DoD clients.

ABOUT US:

Fathom 4 (www.fathom4.com) is the kind of defense services company that you've always wanted to work with... and for. We strive to take care of all the people we support which includes our employees, our clients, our troops, and our community. We are in the people business and that principle is what drives our culture. We hire people for a career, not just a certain project.

When we concentrate on genuinely taking care of you, we know you will do what you can to care for the client. Fathom 4 continues to grow when we build teams that feel the same way.

RESPONSIBILITIES:

  • Develops computer code in C++ and Java.
  • Utilize Applied Mathematics to develop software that performs signals analysis and interprets physical sensor output.
  • Develop and Maintains software as part of Windows and Linux Baselines. Solid experience with disciplined software release control and configuration management.
  • Works as part of an Agile SCRUM Software development team that Analyzes, develops, tests, and modifies software to meet the user’s and systems requirements.
  • Works with Government Systems Engineering and Software Development teams to Identify and prioritize enhancement implementation and bug fixes.
  • Coordinates with user to identify data availability, report requirements, and systems design problems.
  • Reviews work products for correctness, adherence to the design concept and user standards, and progress in accordance with schedules.
  • Prepares status reports and presentations on task performance to clients.

MINIMUM QUALIFICATIONS:

EDUCATION:

  • Bachelor’s degree in quantitative field such as engineering or mathematics (e.g. Electrical Engineering, Computer Engineering, Computer Science, Information Systems, etc.).
  • Computer Science and IT Degree programs shall be accredited by one of the 6 associations:

o Western Association of Schools and Colleges (WASC)

o Higher Learning Commission (HLC)

o Northwest Commission on Colleges and Universities (NWCCU)

o Southern Association of Colleges and Schools Commission on Colleges (SACSCOC)

o Senior College University Commission (WSCUC)

o Middle States Commission on Higher Education (MSCHE)

  • Engineering degrees shall be from an Accreditation Board for Engineering and Technology (ABET) accredited program (see www.abet.org). Note: Technology degrees do not qualify as Engineering or Physical Science Degrees.

REQUIRED EXPERIENCE:

  • Three (3) to Six (6) years of experience in Software design and development, to include: Systems Architecture design, Signals Analysis, Statistical Data Analysis, Automated Test and Evaluation, and support of C4ISR software applications.
  • Three (3) years of technical experience in support of C4ISR and information management systems.

CLEARANCE: Current active Secret, with reasonable expectation of eligibility for a Top-Secret clearance in the future.

LOCATION:

  • The work location is on-site at North Charleston, SC with 0-5% travel expected.

ADDITIONAL DESIRED QUALIFICATIONS & EXPERIENCE"

  • Android development
  • ATAK Plug-in Development
  • Prior Military experience

EQUAL OPPORTUNITY EMPLOYER:

Fathom 4, LLC. is an equal opportunity employer that does not discriminate in employment. All qualified applicants will receive consideration for employment without regard to their race, color, religion, sex, age, sexual orientation, gender identity, or national origin, disability, or protected veteran status.

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