Looking for an opportunity to make an impact on the defense of the nation?
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 every day.
Leidos’ Defense Sensor is seeking a talented Software Architect with a background and experience in software engineering and/or computer science to join a large and diverse team at Huntsville, AL (Redstone Arsenal) that develops software products used for critical test, planning, and training for the Missile Defense Agency (MDA) and provides analysis, and testing support for complex MDA radar systems. We have offices across the United States engaging in the defense, space, cyber and commercial fields providing responsive, cost-effective engineering, scientific and IT solutions.
The applicant will join a group of highly technical engineers and analysts supporting the development of a fielded software product used for radar placement, evaluation, and relocation planning that is used for currently deployed missile defense radar systems. The applicant should be a self-starter and be able to work well with both junior and senior level software developers.
Primary Responsibilities:
In this role you will function as the focal point for ensuring that the existing software product is constructed in a scalable form allowing for the integration of additional sensor model representations and for the ability to have various levels of functionality modeled for each new sensor type. Product requests and requirements come at a dynamic and often rapid pace. This role will include working with an established team of software developers and interface on a regular basis with a diverse team of systems and radar engineers. This position is 100% in-person on-site work at a government facility. Working daily on-site at customer facilities on a multi-contractor team and interacting regularly with industry partners and the government customer, the candidate will be expected to represent Leidos technically, professionally, and ethically.
Basic Qualifications:
Bachelor’s degree in computer science or computer engineering, or a related STEM discipline, plus 12- 15 years of experience in computer science or software development or Master’s degree in Computer Science or Computer Engineering, or a related STEM discipline, plus 10-13 years of experience in computer science or software development.
Must have significant knowledge and experience in Java.
Must have experience using C++ and be able to develop and maintain interfaces between Java and C++ applications.
Must have experience with Docker and/or Kubernetes, along with a general understanding of containerization concepts.
Candidate must be a resident of the North Alabama area or willing to relocate to the Huntsville - North Alabama, AL area.
Candidate must possess and be able to maintain a SECRET clearance.
Preferred Qualifications:
Candidates with significant experience using the GitLab environment and Continuous Integration (CI) pipelines are highly preferred.
Candidates with experience in developing 3D visualization GUIs using Java are preferred.
Candidates with experience in modeling & simulation software are preferred.
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.
June 5, 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 $131,300.00 - $237,350.00
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.
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's global workforce of 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
