Demo

Junior Software Engineer

Astrion
Columbia, MD Full Time
POSTED ON 12/9/2025 CLOSED ON 1/7/2026

What are the responsibilities and job description for the Junior Software Engineer position at Astrion?

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

Salary : $80,000 - $85,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Junior Software Engineer?

Sign up to receive alerts about other jobs on the Junior Software Engineer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$77,657 - $95,021
Income Estimation: 
$97,257 - $120,701
Income Estimation: 
$77,657 - $95,021
Income Estimation: 
$97,257 - $120,701
This job has expired.
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Astrion

  • Astrion Washington, DC
  • Overview Senior Cybersecurity Analyst LOCATION: Washington DC - Navy Yard JOB STATUS: Full-time CLEARANCE: Secret CERTIFICATION: DoD 8140 IAT Level II TRAV... more
  • 2 Days Ago

  • Astrion Huntsville, AL
  • Overview Operations and Communications Analyst LOCATION: Huntsville, Al JOB STATUS: Full-time CLEARANCE: Secret TRAVEL: As Needed Required Qualifications /... more
  • 2 Days Ago

  • Astrion Bedford, MA
  • Overview Senior Enterprise Architect LOCATION: Hanscom AFB, Bedford, MA Salary Range: $130,000-$150,000 annually* depending on experience, certifications, ... more
  • 2 Days Ago

  • Astrion Dayton, OH
  • Overview Senior Avionics Integration Engineer LOCATION: WPAFB, Dayton, OH JOB STATUS: Full-Time CLEARANCE: Secret, Must be a US Citizen Travel: 25% Astrion... more
  • 2 Days Ago


Not the job you're looking for? Here are some other Junior Software Engineer jobs in the Columbia, MD area that may be a better fit.

  • Synergy ECP LLC Annapolis, MD
  • Description We are searching for cleared professionals who are passionate about their work and ready to take the next step in their careers! The talented i... more
  • 2 Days Ago

  • Belay Technologies Annapolis, MD
  • Belay Technologies has been voted Baltimore Business Journal's (BBJ) Best Places to Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies... more
  • 4 Days Ago

AI Assistant is available now!

Feel free to start your new journey!