Senior Java Software Developer

Description

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 Senior Java Software Developer 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.

Original Posting:

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:

Pay Range $131,300.00 - $237,350.00

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.

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 .

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 .

Securing Your Data

Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at View email address on click.appcast.io .

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission ( .

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.

REQNUMBER: R-00184800

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.