Junior Software Developer - Huntsville, AL

VetJobs; Huntsville (AL); On-site; USD 60,000 - 75,000; Full time

Job summary

Leidos Defense Sensors’ Uncrewed Systems Integration and Test seeks a Junior Software Engineer to join the JSIL Technology and Certification Center in Huntsville, Alabama. This role partners with subject matter experts to design, develop, and implement UAS software for complex systems.

You will design, implement, and optimize code, document architectures, and collaborate with hardware and network teams while advancing your OO programming skills in Java/C++/C#, and building CI/CD pipelines.

Qualifications

• BS or MS in computer science or related technical field with 2–4 years of experience (or 1–2 years with MS).
• Proficient in object-oriented programming with Java, C++, or C#.
• Experience with Gitlab CI/CD pipelines.
• Experience scripting with Bash, Python, or PowerShell; automating installs.
• Understanding of computer architectures, VMs/containers.
• Strong UNIX or Windows command-line skills.
• Excellent written and verbal communication skills.
• 1+ year professional software development experience.
• US citizen with ability to obtain Secret clearance.
• Residence in Huntsville, AL or willingness to relocate.

Responsibilities

• Develop and optimize software solutions; ensure quality, maintainability, and scalability.
• Create detailed technical documentation: designs, APIs, and diagrams; communicate with stakeholders.
• Collaborate with managers, hardware, and network engineers to integrate software, hardware, and networks.
• Stay current with new tools, frameworks, and industry trends to improve performance.

Skills

Java

C++

C#

Bash

Python

PowerShell

UNIX CLI

Windows CLI

Education

Bachelors

Tools

Gitlab CI/CD

Gradle

Job description

Job Description

Looking for an opportunity to make an impact?

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

Your greatest work is ahead!

Leidos Defense Sensors’ Uncrewed Systems Integration and Test is seeking a motivated and ambitious Junior Software Engineer to join the Software, Simulation, Systems Engineering and Integration Directorate (S3I) Joint Technology Center – Systems Integration Lab (JSIL) Technology and Certification Center. This position collaborates with subject matter experts in the requirements, design, development, and implementation of UAS related software.

If this sounds like the kind of environment where you can thrive, keep reading!

Leidos Defense Systems Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions. To explore and learn more, click here!

Primary Responsibilities

• Software Development & Optimization: Support the design and implementation of software solutions, ensuring high-quality, maintainable, and scalable code. Assist with efforts in debugging, and optimization for large-scale systems.
• Documentation & Communication: Responsible for creation of detailed technical documentation, including system designs, APIs, and architectural diagrams. Communicate complex technical concepts clearly to non-technical stakeholders and executives.
• Cross-Functional Collaboration: Collaborate with managers, hardware engineers, network engineers, and other stakeholders to implement system requirements and ensure seamless integration between software, hardware, and network components.
• Innovation & Technology Evaluation: Stay current on emerging technologies and industry trends, new tools, frameworks, and methodologies that improve the development process and system performance.

Auto req ID

485437BR

Minimum Education Required

Bachelors

Basic Qualifications

• BS degree in computer science or related technical degree plus 2-4 years of prior relevant experience or MS degree in computer science or related technical degree plus 1-2 years of prior relevant experience.
• Experience with object-oriented programming in multiple languages such as java, C++, and C#.
• Experience using Gitlab CI/CD.
• Experience with scripting languages such as Bash, Python, or PowerShell including the automation of system and application installations is required.
• Understanding of general computing system architectures and virtual machines/containers.
• Strong command line experience with UNIX based operating system or Windows command line configuration is required.
• Strong analytical and organizational skills to handle multiple tasks and projects and to work independently.
• 1-year+ professional software development experience.
• Excellent written and verbal communication skills.
• Must be a US citizen, possess be able to maintain an active Secret clearance.
• Must be a resident of Huntsville, AL or willing to relocate to the Huntsville, AL area.

Preferred Qualifications

• Experience with Atlassian workflow management software.
• Experience with software development and testing
• Experience with Uncrewed Aircraft Systems.
• Experience using Gradle.
• Willingness to be hands-on with the hardware away from assigned desk.

Original Posting

September 24, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range

Pay Range $69,550.00 - $125,725.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Certificates/Security Clearances/Other

Required:

• Must be a US citizen, possess be able to maintain an active Secret clearance.

City*

Huntsville

State*

Alabama

Job_Category

Information Technology

Job Code

IT Information Technology

Affiliate Sponsor

Leidos

Salary Range

$60,000-$75,000