Leidos-logo
Leidos
ยท
September 29, 2026
Apply Now
This job has closed.

Junior Software Engineer

Huntsville, AL
Full-time
Onsite
$70K/yr - $126K/yr
Entry Level
Leidos is a defense, space, cyber, and commercial technology company that provides engineering, scientific, and IT solutions. The Junior Software Engineer will develop, integrate, test, support, and maintain software frameworks and products for tactical strike guided munition programs, including mission planning, analysis, simulation, and mission-critical systems.
Apply Now

Responsibilities

  • Assist with design and implementation of full-stack software architecture and design patterns for missile system applications implementing major system functions (i.e. guidance, navigation, control, telemetry, and mission planning)
  • Participate in technical reviews, design reviews, and code reviews to ensure quality and compliance
  • Support technical decisions on tools, frameworks, and development approaches
  • Develop software that is designed to promote modularity, reusability, portability, and maintainability requirements
  • Participate in code reviews, ensuring coding standards and best practices are applied
  • Direct communication with team members will be required on a frequent basis
  • Support flight test operations and post-test analysis
  • Develop software that adheres to military and aviation standards for safety, cybersecurity, and RMF

Qualification

Required

  • Candidate must possess at least a bachelor's degree in Software Engineering, Computer Science, Computer Engineering, Electrical Engineering, Aerospace Engineering, Mathematics, or equivalent technical degree with an overall GPA of 3.0 or higher
  • Candidate should have 2+ years of relevant technical experience
  • Candidate must be a U.S. citizen and be eligible to obtain and maintain a U.S. Department of Defense security clearance
  • Relevant technical experience must include developing, integrating, testing, or troubleshooting embedded software or embedded-adjacent applications that interface with, operate, monitor, support, simulate, control, or communicate with embedded systems
  • Demonstrable experience with C/C++ required
  • Experience with Python or Java
  • Understanding of software architecture patterns and design principles
  • Experience with software configuration management principles and techniques
  • Experience with software quality engineering concepts
  • Experience with good software standards and practices

Preferred

  • Experience with embedded missile systems, aerospace, or weapons systems development
  • Familiarity with real-time embedded systems
  • Knowledge of Modular Open Systems Approach (MOSA) principles and application
  • Experience with containerization, CI/CD pipelines, and microservices technology
  • Knowledge of guidance & control algorithms
  • Knowledge of navigation systems
  • Knowledge of mission planning systems (NOMS, JMPS)
  • Knowledge of sensors used in guidance, navigation, or mission planning systems
  • Proficiency with MATLAB/Simulink for algorithm development and simulation a plus
  • Understanding of hardware-software integration and software systems engineering principles
  • Strong problem-solving abilities and systems-level thinking

Benefits

  • Health and Wellness programs
  • Income Protection
  • Paid Leave
  • Retirement
Leidos is an industry and technology leader serving government & commercial customers with smarter, more efficient digital and mission innovations.
Glassdoor
3.9
Founded in 1969
Reston, Virginia, USA
10001+ employees
https://www.leidos.com