**Description**
**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 mid-level software engineer to join our collaborative matrix organization that supports multiple programs across various business areas in Leidos Defense & Land Systems. As 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.
+ 4+ years of professional software engineering experience (or possess Master's degree with 2+ 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.
+ US Citizenship is required with eligibility to obtain and maintain secret security 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!
Come break things (in a good way). Then build them smarter.
We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for "how it's always been done."
**Original Posting:**
July 16, 2025
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 $85,150.00 - $153,925.00
The Leidos pay range for this job level is a general guideline onlyand 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.
\#Remote
REQNUMBER: R-00162753
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.