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Junior Software Engineer

Astrion
United States, Maryland, Columbia
Dec 09, 2025
Overview

Junior Software Engineer

Location: Columbia, Maryland

Job Status: Full Time

Clearance: Secret

Salary: $80,000-$85,000

SEG, an Astrion company, is seeking a Simulation Software Engineer for the Modeling and Simulation Development Branch.

  • Selected candidate will assist in the design, development, test, and verification of SEG/Astrion's missile trajectory and RF signature prediction simulations.
  • The position covers the whole of the software development process, from design and implementation to testing, documentation and delivery.
  • The highly dynamic and fast paced environment encourages speed and efficiency while maintaining product consistency, functionality and traceability.
  • Candidates for this position will be required to learn applicable technologies and skills, and will be mentored and trained by the team as needed.

REQUIRED QUALIFICATIONS / SKILLS

  • Must be able to obtain DoD security clearance at the required level. Must maintain the required clearance. Eligibility for cleared access in this instance requires US citizenship.
  • Bachelor of Science Degree in Computer Science, Physics, Mathematics, Aerospace Engineering or related field with a solid foundation in Mathematics and coding.
  • No prior work experience is necessary but project experience with a major programming language (Java script, python), the MERN stack, and a working knowledge of Windows/Unix/Linux Operating Systems is required.
  • Must be detail oriented, highly motivated and comfortable with working independently and in a development team.

PREFERRED QUALIFICATIONS / SKILLS

  • Experience in modeling and simulations architecture and development
  • Experience with Object Oriented Software Analysis and Design
  • Experience with all phases of software QA including unit, acceptance, regression and cross-platform testing
  • Development experience with IDEs (VisualStudio, NetBeans, Eclipse), debuggers and performance tools
  • Knowledge or experience in multi-threading (POSIX, OpenMP, MPI), SSE or GPU programming
  • Familiarity with MATLAB scripting and Simulink
  • Experience with version-control software (CVS, Subversion, Git) and configuration management tools (Jira, Confluence, Bugzilla)
  • XML, JSON, YAML
  • Python web API's/servers (Flask, Django, etc.)
  • API development as well as documentation
  • Experience with scripting languages (C++, Perl, Python 2.7+, BASH)
  • Basic systems administration
  • Experience working within an Agile development team

#CJ

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