Junior Software Engineer - Kinetic Effects

Leidos Inc; Huntsville (AL); On-site; USD 70,000 - 126,000; Full time

Job summary

Leidos Inc. in Huntsville, AL is seeking a Software Engineer to develop robust software for missile system applications, including guidance, navigation, and mission planning.

You will contribute to full-stack design, code reviews, and modular, portable software that meets safety and RMF standards. Qualifications include a Bachelor's degree with 2+ years of experience, proficiency in C/C++, Python and Java, and ability to obtain an active Secret clearance.

Qualifications

• Bachelor's degree in Software Engineering, Computer Science, Computer Engineering, Electrical Engineering, Aerospace Engineering, Mathematics, or equivalent with GPA 3.0+.

Responsibilities

• Assist with design and implementation of full-stack software architecture for missile system applications.
• Participate in design reviews, code reviews, and ensure quality and compliance.
• Support decisions on tools, frameworks, and development approaches.
• Develop modular, reusable, portable software meeting safety and RMF standards.
• Engage in code reviews and maintain coding standards.

Skills

C/C++

Python

Java

Software architecture

Problem solving

Education

Bachelor's degree (GPA 3.0+)

Tools

Containerization

CI/CD

Microservices

MATLAB/Simulink

Job description

Description

Leidos is dedicated to making the world a safer place. This starts with helping our customers in the Defense Industry achieve their critical missions. Our dedicated Defense Group employees are solving critical challenges across the globe. 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.With offices across the United States engaging in the defense, space, cyber and commercial fields, Leidos provides responsive, cost-effective engineering, scientific and IT solutions. Leidos is well known for our people-oriented culture, positive work environment, technical excellence, and resilient business ethics.

Leidos is seeking a talented Software Engineer to work in our Huntsville office. This is an exciting opportunity to use your experience to help develop software for Tactical strike guided munition programs.

This position focuses on the development of robust, innovative software frameworks, as well as the fielding, support, and maintenance of software products. Software products range from analysis tools/simulations, mission planning software, and components of mission-critical systems.

Primary 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.

Basic Qualifications

• 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.
• Active Secret clearance or ability to obtain one.
• Demonstrable experience with C/C++ required.
• Experience with Python and Java.
• Understanding of software architecture patterns and design principles.
• Strong problem-solving abilities and systems-level thinking.
• Experience with software configuration management principles and techniques, software quality engineering concepts, and good software standards and practices.

Preferred Qualifications

• 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, navigation systems, mission planning systems (NOMS, JMPS), and/or sensors a huge plus.
• Proficiency with MATLAB/Simulink for algorithm development and simulation a plus.

Understanding of hardware-software integration and software systems engineering principles

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting: August 12, 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

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

• competitive compensation
• Health and Wellness programs
• Income Protection
• Paid Leave
• Retirement

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.