Software Developers

Leidos Inc; Huntsville (AL); On-site; USD 69,550 - 125,725; Full time

Job summary

Leidos is hiring Software Developers across multiple levels to support missile defense programs in the Sensor Research and Analysis Division. You will develop, modify, and troubleshoot software using C++, Java, and related tools, with an emphasis on Agile team collaboration and rapid-response support during test events.

Ideal candidates bring strong analytical skills, teamwork, and the ability to translate user needs into effective software solutions for critical missions.

Qualifications

• ABET-accredited CS/SE degree required; or Master’s in CS/SE with limited experience.
• Proficiency in C++ and Java; UI development experience
• Experience with GitLab/Git and RHEL environments
• Familiarity with Agile methodologies and SAFe

Responsibilities

• Develop, troubleshoot, and debug software components in C++, Java.
• Collaborate with experts to enhance and integrate software into existing systems.
• Create automated builds and CI/CD pipelines in a team Agile environment.
• Participate in PI Planning, sprint ceremonies, and demos.

Skills

C++

Java

Agile methodologies

Communication

Problem solving

Education

ABET-accredited CS/SE degree

Tools

Git/GitLab

RHEL

Jira/VersionOne

CI/CD (Ansible/Jenkins)

Python

Job description

Description

We're hiring Software Developers at multiple levels.

Leidos Defense Sensors is seeking multiple Software Developers across various experience levels to join our Sensor Research and Analysis Division and support critical missile defense programs. We are hiring for several types of software development roles, including positions focused on feature and enabler development within Agile teams, as well as roles dedicated to defect resolution and rapid‑response support during major test events.

As a Software Developer, you will develop, create, and modify general computer application software and specialized utility programs. You will also analyze user needs and translate them into effective software solutions for our customers. Depending on the specific role, you may work directly on an Agile Software Development team to help achieve key program objectives in support of our national defense.

Ideal candidates bring strong analytical and problem‑solving skills, work effectively in a collaborative team environment, and build strong working relationships with peers and technical staff across the program. In all of these roles, you will play a vital part in enhancing system performance and advancing mission‑critical objectives in support of our national defense.

Primary Responsibilities

• Perform high-level software development using C++, Java, or similar languages, including design, development, troubleshooting, and debugging of software components.

• Collaborate with program experts and user‑community stakeholders to design, enhance, and debug existing software, and to develop new capabilities for integration into existing systems.

• Apply sound software engineering principles to ensure code is modifiable, efficient, reliable, understandable, fault‑tolerant, and reusable; support software process management and control throughout the development lifecycle.

• Create and maintain automated software builds and pipelines within a Continuous Integration/Continuous Deployment (CI/CD) environment.

• Contribute to software development activities as part of an Agile team, including Program Increment (PI) Planning, Feature and Story development, Sprint Planning, Iteration Retrospectives, and related team ceremonies.

• Participate in team and program‑level demos, including Sprint Reviews, to showcase completed work and support continuous improvement.

• Maintain a positive, proactive, and collaborative attitude, contributing to a productive team culture and demonstrating enthusiasm for solving complex challenges.

Basic Qualifications

This posting is for multiple opportunities ranging in years of experience. Level of opportunity, including compensation, will be matched to a candidate's experience. If you're excited about the work but your experience level differs - PLEASE APPLY!

• Bachelor of Science in Computer Science, Software Engineering, or a related technical field from an ABET-accredited institution and 2-4 years of experience in the design, development, and testing of real‑time software applications and simulations; or a Master’s degree in Computer Science, Software Engineering, or a related technical field from an ABET-accredited institution with less than 2 years of relevant experience simulations

• Proficiency in C++

• Experience with Java and user interface development

• Experience with GitLab/Git for version control

• Experience with Red Hat Enterprise Linux (RHEL) environments

• Knowledge of Agile methodologies, such as the Scaled Agile Framework (SAFe), and application of the Agile methodologies within a technical/engineering environment.

• Strong written and verbal communication skills with the ability to create and deliver presentations

• Must be a U.S. citizen possess and maintain an active DoD Secret clearance

• Candidate must be a resident of the North Alabama area to provide full‑time onsite support

Preferred Qualifications

• Relevant DoD or industry experience in missile defense

• Agile Scrum experience and familiarity with Agile methodologies such as the Scaled Agile Framework (SAFe)

• Experience with Jira, VersionOne, or similar Agile project‑management and issue‑tracking tools

• Experience developing and maintaining CI/CD pipelines (e.g., Ansible, Jenkins)

• Experience with Python

• Familiarity with modeling and simulation tools

• Experience with multicore and multithreaded programming

• Understanding of systems engineering concepts (not required to be a systems engineer)

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: July 8, 2026

Pay Range: $69,550.00 - $125,725.00

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.

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 www.Leidos.com.

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 www.leidos.com/careers/pay‑benefits.

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 [e-mail].

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.