Senior Software Engineer

Are you passionate about cutting-edge software and national security? Do you want to work on mission-critical applications that impact real-world defense and space operations?

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 sustainable. 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 Systems Land Systems Sector is seeking an entry-level software engineer to join our collaborative matrix organization that supports multiple programs across various business areas in Leidos Defense & Land Systems. As an entry-level software engineer, you will contribute to software development efforts, working alongside experienced engineers to build, test, and maintain software solutions for desktop applications, web-based applications, and mission-critical software solutions for Space and Missile Defense programs.

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!

Are you ready to make an impact? Share your resume with us today!

Primary Responsibilities

• Work on state-of-the-art applications that support national security

• Contribute to software architecture and design, implementing best practices to optimize performance and security.

• Work with cloud computing, AI, and high-performance computing

• Participate in full software development lifecycle activities, including requirements gathering, coding, testing, debugging, and deployment.

• Collaborate with cross-disciplinary teams, including systems engineers, UX designers, and cybersecurity specialists, to ensure software meets mission requirements.

• Utilize Agile and DevSecOps methodologies to support continuous software integration and deployment.

• Conduct code reviews, implement unit tests, and ensure software quality through automated testing frameworks.

• Document software development processes, create user guides and technical reports, and contribute to knowledge-sharing within the team.

• Stay current with emerging technologies and industry trends to improve software performance and maintainability.

Basic Qualifications

• Bachelor’s degree in computer science, Computer Engineering, Electrical Engineering, or a related technical field.

• 12+ years of professional software engineering experience (or possess Master’s degree with 10+ years of prior relevant experience)

• Proficiency in at least one programming language (e.g., C, C++, Python, Java, C#).

• Experience developing and deploying desktop, web-based, or mission-critical software applications.

• Strong knowledge of software development methodologies, including Agile, Scrum, and DevSecOps.

• Familiarity with version control systems (Git, GitLab, or similar).

• Strong problem-solving and analytical skills to troubleshoot and optimize software performance.

• Ability to work in fast-paced, collaborative environments while managing multiple priorities.

• Excellent verbal and written communication skills to effectively document and present technical solutions.

• Resident of the North Alabama area or willing to relocate to the Huntsville - North Alabama, AL area

• Must be a US Citizen and possess (and be able to maintain) a Final Secret Clearance or meet the eligibility to obtain (and maintain) a Secret Clearance

Preferred Qualifications

• Experience with C# and .NET for software development.

• Knowledge of cloud-based architectures (AWS, Azure, or DoD cloud environments).

• Experience with containerization technologies (Docker, Kubernetes).

• Understanding of cybersecurity principles and secure coding practices.

• Experience working on defense, aerospace, or government-related software projects.

• Previous professional experience in Space, Missile Defense, or similar high-security environments.

If you are a driven and adaptable individual looking to kickstart your career in software engineering, we encourage you to apply today and build the future with us!

Original Posting:

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:

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.