Software Engineer

Leidos • Huntsville, AL

12d

About The Position

Leidos Defense Systems is seeking a talented Software Engineer to develop high-performance applications supporting Hardware-in-the-loop laboratories for payloads and sensors. This role is ideal for engineers who enjoy building performant software today while growing into broader system-level and real-time development over time. 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.

Requirements

• 4+ years of experience in software development.
• Bachelor’s degree or higher in Electrical Engineering, Computer Engineering, or Computer Science degree from an ABET-accredited school.
• Excellent teamwork skills.
• Strong fundamentals in modern C++.
• Experience with Linux-based systems.
• Experience with higher-level user application development.
• Experience working in performance-sensitive, distributed, or systems-oriented applications.
• Experience with multithreaded or concurrent programming.
• Problem-solving skills and ability to work effectively in a team environment.
• Ability to obtain and maintain a secret clearance.

Nice To Haves

• Experience with messaging frameworks (e.g., ZeroMQ or similar).
• Experience with communication protocols.
• Experience with containerization and CI/CD pipelines.
• Experience with Python.
• Familiarity with AI coding assistants (e.g., Claude Code).

Responsibilities

• Support space and munition programs develop user-facing and simulation software that interfaces with high-performance sensor and data processing systems.
• Design, develop, and maintain C++-based applications and backend systems.
• Build software supporting data processing, visualization, and system control.
• Analyze and improve performance, latency, and scalability of software systems.
• Collaborate with cross-functional teams including software, systems, and hardware engineers.
• Support integration, testing, and deployment of software in test environments.
• Contribute to systems and features end-to-end, from development through deployment and improvement.

Benefits

• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level