Software Engineer
$87K - $157K/yr
Leidos Defense provides a diverse portfolio of systems, solutions, and services covering land, sea ... The Software Engineer will develop software within a Scaled Agile Framework (SAFe) environment ...
$87K - $157K/yr
Leidos Defense provides a diverse portfolio of systems, solutions, and services covering land, sea ... The Software Engineer will develop software within a Scaled Agile Framework (SAFe) environment ...
$87K - $157K/yr
Leidos Defense provides a diverse portfolio of systems, solutions, and services covering land, sea ... The Software Engineer will develop software within a Scaled Agile Framework (SAFe) environment ...
Huntsville, AL · On-site
$69K - $125K/yr
Leidos Defense provides a diverse portfolio of systems, solutions, and services covering land, sea ... The Software Engineer will develop software within a Scaled Agile Framework (SAFe) environment ...
Huntsville, AL · On-site
$69K - $125K/yr
Leidos Defense provides a diverse portfolio of systems, solutions, and services covering land, sea ... The Software Engineer will develop software within a Scaled Agile Framework (SAFe) environment ...
$69K - $125K/yr
Leidos Defense provides a diverse portfolio of systems, solutions, and services covering land, sea ... The Software Engineer will develop software within a Scaled Agile Framework (SAFe) environment ...
$69K - $125K/yr
Leidos Defense provides a diverse portfolio of systems, solutions, and services covering land, sea ... The Software Engineer will develop software within a Scaled Agile Framework (SAFe) environment ...
Huntsville, AL · On-site
$87K - $157K/yr
Leidos Defense provides a diverse portfolio of systems, solutions, and services covering land, sea ... The Software Engineer will develop software within a Scaled Agile Framework (SAFe) environment ...
Huntsville, AL · On-site
$87K - $157K/yr
Leidos Defense provides a diverse portfolio of systems, solutions, and services covering land, sea ... The Software Engineer will develop software within a Scaled Agile Framework (SAFe) environment ...
Collaborate directly with radar engineers and system architects to integrate tracking solutions into end-to-end defense systems * Optimize tracking software for performance-critical environments ...
Collaborate directly with radar engineers and system architects to integrate tracking solutions into end-to-end defense systems * Optimize tracking software for performance-critical environments ...
Huntsville, AL · On-site
$69K - $125K/yr
Leidos Defense provides a diverse portfolio of systems, solutions, and services covering land, sea ... The Software Engineer will develop software within a Scaled Agile Framework (SAFe) environment ...
Huntsville, AL · On-site
$69K - $125K/yr
Leidos Defense provides a diverse portfolio of systems, solutions, and services covering land, sea ... The Software Engineer will develop software within a Scaled Agile Framework (SAFe) environment ...
Collaborate directly with radar engineers and system architects to integrate tracking solutions into end-to-end defense systems * Optimize tracking software for performance-critical environments ...
Collaborate directly with radar engineers and system architects to integrate tracking solutions into end-to-end defense systems * Optimize tracking software for performance-critical environments ...
ASRC Agile Decision Sciences is a premier provider of systems engineering, software engineering, system integration and project management services for real-time, mission-critical defense systems. We ...
ASRC Agile Decision Sciences is a premier provider of systems engineering, software engineering, system integration and project management services for real-time, mission-critical defense systems. We ...
ASRC Agile Decision Sciences is a premier provider of systems engineering, software engineering, system integration and project management services for real-time, mission-critical defense systems. We ...
ASRC Agile Decision Sciences is a premier provider of systems engineering, software engineering, system integration and project management services for real-time, mission-critical defense systems. We ...
Huntsville, AL · On-site
Software Engineer Capstone Research Corporation is seeking to expand our team. Capstone Research ... Army, Navy, Air Force, Marines, and Missile Defense Agency (MDA). Capstone offers 100% Company ...
Huntsville, AL · On-site
Software Engineer Capstone Research Corporation is seeking to expand our team. Capstone Research ... Army, Navy, Air Force, Marines, and Missile Defense Agency (MDA). Capstone offers 100% Company ...
The GMD program is a portion of the Missile Defense Agency's (MDA) system to protect the US and our ... Bachelors Degree in Software Engineering or related field. * Missile Defense domain knowledge
The GMD program is a portion of the Missile Defense Agency's (MDA) system to protect the US and our ... Bachelors Degree in Software Engineering or related field. * Missile Defense domain knowledge
Huntsville, AL · On-site
The GMD program is a portion of the Missile Defense Agency's (MDA) system to protect the US and our ... Bachelor's Degree in Software Engineering or related field. * Missile Defense domain knowledge
Huntsville, AL · On-site
The GMD program is a portion of the Missile Defense Agency's (MDA) system to protect the US and our ... Bachelor's Degree in Software Engineering or related field. * Missile Defense domain knowledge
Huntsville, AL · On-site
The team has in-depth experience in Tactical Data Links (TDL), Ballistic Missile Defense System (BMDS) Test, Enterprise Information Technology, Software and Systems Engineering and Information ...
Huntsville, AL · On-site
The team has in-depth experience in Tactical Data Links (TDL), Ballistic Missile Defense System (BMDS) Test, Enterprise Information Technology, Software and Systems Engineering and Information ...
Huntsville, AL · On-site
The team has in-depth experience in Tactical Data Links (TDL), Ballistic Missile Defense System (BMDS) Test, Enterprise Information Technology, Software and Systems Engineering and Information ...
Huntsville, AL · On-site
The team has in-depth experience in Tactical Data Links (TDL), Ballistic Missile Defense System (BMDS) Test, Enterprise Information Technology, Software and Systems Engineering and Information ...
Huntsville, AL · On-site
The GMD program is a portion of the Missile Defense Agency's (MDA) system to protect the US and our ... Bachelor's Degree in Software Engineering or related field. * Missile Defense domain knowledge
Quick apply
Huntsville, AL · On-site
The GMD program is a portion of the Missile Defense Agency's (MDA) system to protect the US and our ... Bachelor's Degree in Software Engineering or related field. * Missile Defense domain knowledge
Huntsville, AL · On-site
Software Engineer Capstone Research Corporation is seeking to expand our team. Capstone Research ... Army, Navy, Air Force, Marines, and Missile Defense Agency (MDA). Capstone offers 100% Company ...
Huntsville, AL · On-site
Software Engineer Capstone Research Corporation is seeking to expand our team. Capstone Research ... Army, Navy, Air Force, Marines, and Missile Defense Agency (MDA). Capstone offers 100% Company ...
Birmingham, AL · On-site
Knowledge of modern software engineering principles, including object?oriented design, modular ... Must be able to obtain/maintain security clearance at a level equivalent to Department of Defense ...
Birmingham, AL · On-site
Knowledge of modern software engineering principles, including object?oriented design, modular ... Must be able to obtain/maintain security clearance at a level equivalent to Department of Defense ...
Birmingham, AL · On-site
Knowledge of modern software engineering principles, including object?oriented design, modular ... Must be able to obtain/maintain security clearance at a level equivalent to Department of Defense ...
Birmingham, AL · On-site
Knowledge of modern software engineering principles, including object?oriented design, modular ... Must be able to obtain/maintain security clearance at a level equivalent to Department of Defense ...
Huntsville, AL · On-site
Army, Navy, Air Force, Marines, and Missile Defense Agency (MDA). Capstone offers 100% Company ... We have an immediate opening for a Software Engineer to work in our Huntsville, AL office. The ...
Quick apply
Huntsville, AL · On-site
Army, Navy, Air Force, Marines, and Missile Defense Agency (MDA). Capstone offers 100% Company ... We have an immediate opening for a Software Engineer to work in our Huntsville, AL office. The ...
Huntsville, AL · On-site
The team has in-depth experience in Tactical Data Links (TDL), Ballistic Missile Defense System (BMDS) Test, Enterprise Information Technology, Software and Systems Engineering and Information ...
Quick apply
Huntsville, AL · On-site
The team has in-depth experience in Tactical Data Links (TDL), Ballistic Missile Defense System (BMDS) Test, Enterprise Information Technology, Software and Systems Engineering and Information ...
$57.6K - $69.3K
2% of jobs
$69.3K - $81K
4% of jobs
$81K - $92.7K
6% of jobs
$92.7K - $104.4K
8% of jobs
$110.6K is the 25th percentile. Wages below this are outliers.
$104.4K - $116.1K
7% of jobs
$116.1K - $127.8K
18% of jobs
The median wage is $130.5K / yr.
$127.8K - $139.5K
16% of jobs
$139.5K - $151.2K
2% of jobs
$156K is the 75th percentile. Wages above this are outliers.
$151.2K - $162.9K
26% of jobs
$162.9K - $174.6K
1% of jobs
$174.6K - $186.3K
8% of jobs
$57.6K
$133.7K
$186.3K
A Defense Software Engineer develops, tests, and maintains software for military and defense applications. They work on secure, mission-critical systems such as weapons control, cybersecurity, and communication networks. Their role requires proficiency in programming languages, security protocols, and compliance with defense standards. Due to the nature of the industry, security clearances and adherence to classified information policies are often required.
To thrive as a Defense Software Engineer, you need expertise in software development, a strong grasp of cybersecurity principles, and familiarity with defense industry standards, typically demonstrated by a degree in computer science, engineering, or a related field. Experience with programming languages such as C++, Java, or Python, knowledge of real-time operating systems, and certifications like Security+ or CISSP are often required. Attention to detail, problem-solving abilities, and the capacity to work collaboratively in multidisciplinary teams are valuable soft skills. These competencies ensure that complex, secure, and mission-critical software solutions are effectively developed and maintained to meet stringent defense requirements.
Defense Software Engineers often work on projects involving the development and maintenance of software for military systems, such as radar, communications, simulation, or weapons control platforms. They frequently use technologies like embedded systems, secure coding practices, and specialized hardware interfaces. Project work can range from upgrading legacy systems to designing cutting-edge capabilities, often requiring adherence to rigorous security and compliance protocols. Collaboration with systems engineers, hardware teams, and government stakeholders is typical, offering a dynamic and mission-driven work environment. This exposure helps engineers build specialized expertise while contributing directly to national security initiatives.

8.3
Based on 151 frontline employees who took The Breakroom Quiz
77th of 485 rated business services
Looking for an opportunity to make an impact?
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.
Are you ready for your next career challenge?
Leidos Defense 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.
Within the Defense Sector, Leidos currently has an opening for a talented Software Engineer to work onsite in our Huntsville office. This is an exciting opportunity to use your experience to develop software for critical counter UAS and missile defense solutions.
This position focuses on supporting the complete software lifecycle of complex defense systems in a Linux environment using languages like C++ and Python. The Software Engineer will develop software within a Scaled Agile Framework (SAFe) environment, collaborating with multiple stakeholders across a multi-disciplinary team and utilizing software best practices to create unique solutions for complex mission-critical problems.
Primary Responsibilities
Developing software for use in a Linux environment
Developing software in a SAFe environment using Jira and Gitlab
Collaborating with multi-disciplinary teams to implement desired software functionality
Utilizing software best practices such as peer reviewing and unit testing
Debugging and troubleshooting software in a HWIL setting
Basic Qualifications
Bachelor's degree in Software Engineering, Computer Science, Computer Engineering, or equivalent degree from an ABET-accredited university with 4+ years of experience or Master's degree with 2+ year of experience
Strong competency in at least C/C++, Python
Experience with software engineering throughout the software lifecycle
Experience with software best practices such as peer reviews, automated testing, and document generation
Experience collaborating with other functional groups (systems engineering, electrical engineering, test, etc.) to create a software product
Experience working within an Agile environment (or equivalent)
Experience using tools such as Jira and Gitlab (or equivalent)
Experience developing within Qt IDE (or equivalent)
Experience developing in a Linux environment
Familiarity troubleshooting/testing software in an HWIL environment
Currently living in Huntsville, AL or willing to relocate
Currently holds or has the ability to obtain a Secret clearance
Preferred Qualifications
Experience with Buildroot and VMWare
Experience using Wireshark and developing software that sends communications over a network (UDP/TCP)
Supporting and maintaining CI/CD pipelines
DoD acquisition processes and methods
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 17, 2026For 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.
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.
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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 practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.
It services
10,000+ Employees
Reston, VA, US