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Defense Software Engineer Jobs in Reston, VA (NOW HIRING)

Sigma Defense

1675 - Software Engineer

Washington, DC · On-site

$150K - $175K/yr

Sigma Defense is seeking a Software Engineer to provide technical, engineering, and cybersecurity support across the a US Navy Above Water Sensors portfolio, contributing to system development ...

Sigma Defense

1675 - Software Engineer

Washington, DC · On-site

$150K - $175K/yr

Sigma Defense is seeking a Software Engineer to provide technical, engineering, and cybersecurity support across the a US Navy Above Water Sensors portfolio, contributing to system development ...

Sigma Defense

1675 - Software Engineer

Washington, DC · On-site

$150K - $175K/yr

Sigma Defense is seeking a Software Engineer to provide technical, engineering, and cybersecurity support across the a US Navy Above Water Sensors portfolio, contributing to system development ...

Kratos Defense

Software Engineer

Lanham, MD · Hybrid

Kratos Defense & Security Solutions develops and fields transformative, affordable technology ... As part of the OpenSpace development team, the Software Engineer will be a valuable contributor to ...

REDLattice

Software Engineer

Quantico, VA

Software Engineer Location: Quantico, VA At REDLattice, we are a global leader in delivering ... enforcement, defense, and national security operations. With offices in Northern Virginia ...

New

REDLattice

Software Engineer

Quantico, VA · On-site

Software Engineer Location: Quantico, VA At REDLattice, we are a global leader in delivering ... enforcement, defense, and national security operations. With offices in Northern Virginia ...

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All JobsDefense Software Engineer JobsDefense Software Engineer Jobs in Reston, VA

Defense Software Engineer information

See Reston, VA salary details

$66.1K

$153.5K

$213.8K

How much do defense software engineer jobs pay per year?

As of Jul 13, 2026, the average yearly pay for defense software engineer in Reston, VA is $153,477.00, according to ZipRecruiter salary data. Most workers in this role earn between $124,800.00 and $180,000.00 per year, depending on experience, location, and employer.

What is a Defense Software Engineer job?

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.

What are the key skills and qualifications needed to thrive in the Defense Software Engineer position, and why are they important?

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.

What types of projects and technologies do Defense Software Engineers typically work on?

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.

What are popular job titles related to Defense Software Engineer jobs in Reston, VA? For Defense Software Engineer jobs in Reston, VA, the most frequently searched job titles are:
What job categories do people searching Defense Software Engineer jobs in Reston, VA look for? The top searched job categories for Defense Software Engineer jobs in Reston, VA are:
What cities near Reston, VA are hiring for Defense Software Engineer jobs? Cities near Reston, VA with the most Defense Software Engineer job openings:
Defense Software Engineer jobs near you
Software Engineer - JobID-0032

Software Engineer - JobID-0032

Innovative Defense Technologies (IDT)

Arlington, VA • On-site

$114K - $231K/yr

Other

Re-posted 22 days ago

Job description

Background information:
Innovative Defense Technologies (IDT), provider of cutting-edge cloud-based integration, automated testing and data analysis for complex, mission-critical systems in the US Department of Defense (DOD), is seeking a Software Engineer to be based in our Arlington, VA office. Leveraging advanced software automation, model-based systems engineering (MBSE), and AI-driven capabilities, IDT accelerates capability development, enhances operational readiness, and reduces lifecycle costs for the Department of Defense. The company is dedicated to transforming defense systems through innovation, efficiency, and mission-critical results.
Overview:
Software Engineer responsibilities include gathering user requirements, defining system functionality, writing code in various languages (C++, Java), and verifying software functionality through testing. The ideal candidate is familiar with the software development life cycle (SDLC) from preliminary system analysis to tests and deployment. This role requires full-time presence on-site at our Arlington, VA office.
All applicants must be able to obtain/maintain an active U.S. Security Clearance.
Department Engineering Employment Type Full Time Location Arlington, VA Address 4401 Wilson Boulevard Suite 810, Arlington, Virginia, 22203 Open in Google Maps Workplace type Onsite Compensation $114,000 - $231,000 / year What You Will Do:
  • Responsibilities Include:
    • Design, implement, and test software using multiple languages and technology stacks
    • Explore and prototype next-generation solutions for DoD customers
    • Integrate software components into complex DoD software environments
    • Support test and integration activities in IDT labs, as well as on-site customer labs
    • Develop software interfaces to communicate across network protocols such as TCP/UDP, DDS, ActiveMQ, Kafka, RabbitMQ
    • Take leadership in developing user, functional, and technical requirements for software systems
    • Participating in and providing feedback in design reviews and code reviews
  • Minimum Required Qualifications:
    • Minimum of 5 years' experience in software development
    • Bachelor's Degree in Computer Science, Computer Engineering, Electrical Engineering, Systems Engineering, Physics, Mathematics, or related field or equivalent full-time professional experience.

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