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Defense Software Engineer Jobs in Frederick, MD (NOW HIRING)

Business System Solutions

Software Engineer

Leesburg, VA · On-site +1

We bring cross-industry expertise in areas including defense, healthcare, finance, and IT sectors ... Software Engineer Overview: The Software Engineer is responsible for designing, developing, testing ...

Business System Solutions

Software Engineer

Leesburg, VA · On-site +1

We bring cross-industry expertise in areas including defense, healthcare, finance, and IT sectors ... Software Engineer Overview: The Software Engineer is responsible for designing, developing, testing ...

Leonardo DRS

Software Engineer II

Germantown, MD · On-site

$91K - $119K/yr

Join our dynamic radar defense company as a Software Engineer II where you'll drive technical excellence and help shape the architecture of mission-critical systems. We're seeking an experienced ...

Leonardo DRS

Senior Software Engineer

Germantown, MD · On-site

$107K - $144K/yr

Join our dynamic radar defense company as a Senior Software Engineer where you'll drive technical excellence and help shape the architecture of mission-critical systems. We're seeking an experienced ...

Leonardo DRS

Software Engineer II

Germantown, MD · On-site

$91K - $119K/yr

Join our dynamic radar defense company as a Software Engineer II where you'll drive technical excellence and help shape the architecture of mission-critical systems. We're seeking an experienced ...

Leonardo DRS

Software Engineer II

Germantown, MD · On-site

$91K - $119K/yr

Join our dynamic radar defense company as a Software Engineer II where you'll drive technical excellence and help shape the architecture of mission-critical systems. We're seeking an experienced ...

Leonardo DRS

Senior Software Engineer

Germantown, MD · On-site

$107K - $144K/yr

Join our dynamic radar defense company as a Senior Software Engineer where you'll drive technical excellence and help shape the architecture of mission-critical systems. We're seeking an experienced ...

Leonardo DRS

Senior Software Engineer

Germantown, MD · On-site

$107K - $144K/yr

Join our dynamic radar defense company as a Senior Software Engineer where you'll drive technical excellence and help shape the architecture of mission-critical systems. We're seeking an experienced ...

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All JobsDefense Software Engineer JobsDefense Software Engineer Jobs in Frederick, MD

Defense Software Engineer information

See Frederick, MD salary details

$63.1K

$146.7K

$204.3K

How much do defense software engineer jobs pay per year?

As of Sep 14, 2026, the average yearly pay for defense software engineer in Frederick, MD is $146,678.00, according to ZipRecruiter salary data. Most workers in this role earn between $119,300.00 and $172,000.00 per year, depending on experience, location, and employer.

What is a defense software engineer?

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 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 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 are popular job titles related to Defense Software Engineer jobs in Frederick, MD?

For Defense Software Engineer jobs in Frederick, MD, the most frequently searched job titles are:

What job categories do people searching Defense Software Engineer jobs in Frederick, MD look for?

The top searched job categories for Defense Software Engineer jobs in Frederick, MD are:

What cities near Frederick, MD are hiring for Defense Software Engineer jobs?

Cities near Frederick, MD with the most Defense Software Engineer job openings:

Defense Software Engineer jobs near you
Infographic showing various Defense Software Engineer job openings in Frederick, MD as of September 2026, with employment types broken down into 1% Internship, 1% As Needed, 80% Full Time, 16% Part Time, and 2% Contract. Highlights an 84% Physical, 3% Hybrid, and 13% Remote job distribution, with an average salary of $146,678 per year, or $70.5 per hour.

Software Engineer

Gaithersburg, MD • On-site

Reinventing Geospatial (RGi)
IT Services • 51 - 200 employees
Learn more about Reinventing Geospatial (RGi)external

Full-time

Re-posted 20 days ago

Job description

Job Summary:
Reinventing Geospatial (RGi) is a leading expert in geospatial solutions for Defense, Intelligence, and Federal clients. As a Software Engineer, you will lead full-stack software development of enterprise applications supporting GEOINT missions, design secure microservices, and mentor junior engineers while ensuring compliance with cybersecurity standards.
Responsibilities:
• Lead full-stack software development of enterprise applications and services supporting our customer’s GEOINT mission.
• Design and implement secure, scalable microservices in cloud environments such as AWS GovCloud or C2S.
• Guide and mentor junior and mid-level engineers, enforce code quality, and lead peer reviews.
• Build and deploy applications using DevSecOps pipelines, container orchestration, and Infrastructure-as-Code tools.
• Collaborate with cross-functional teams including analysts, UI/UX designers, DevOps engineers, and product owners.
• Translate mission requirements into technical implementations that meet security, performance, and scalability needs.
• Ensure compliance with our customer and IC cybersecurity and accreditation standards (e.g., RMF, STIGs).
Qualifications:
Required:
• Bachelor's degree in Computer Science, Software Engineering, or related field and 6+ years experience.
• Strong proficiency with: HTML, CSS, JSON, Ajax, and REST APIs
• Object-oriented Programming: Python, Java, or JavaScript and Go
• Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django, Node.js, Flask, or Svelte.
• A strong working knowledge of: AWS, Azure, or similar cloud platforms, MySQL, PostgreSQL, or SQL Server
• Hands on experience with: Windows, Linux, Git
• Deep understanding of modern software design patterns and coding standards.
• Experience architecting, developing, and delivering complex software systems into production.
• Hands on experience developing containerized applications with Docker and Kubernetes.
• Experience deploying to and developing in classified cloud environments (e.g., C2S, AWS GovCloud).
• Familiarity with DevSecOps tools and practices (e.g., GitLab CI/CD, Jenkins, SonarQube, Nexus, Terraform).
• Solid understanding of Agile methodologies and secure software lifecycle principles.
• Strong, self-motivated desire to learn new programming languages, tools, frameworks, and techniques.
• Active Top Secret clearance with an ability to obtain SCI access and willingness to obtain CI Polygraph
• US Citizenship Required
Preferred:
• Frontend Web Development: UI/UX
• NoSQL Database: OpenSearch/Elasticsearch.
• Cloud Exposure: AWS, IBM, Google, Azure, and Oracle and S3, SQS, SNS, EC2, CloudFormation and RDS.
• Knowledge of geospatial data formats, tools, and standards (e.g., OGC, GeoServer, PostGIS, ESRI).
• Experience with IC enterprise environments and tools (e.g., Keycloak, Vault, CloudFormation)
• Certifications such as AWS Certified Developer, CISSP, Security+, SAFe Agile or similar.
Company:
Reinventing Geospatial (RGi) is a leading geospatial expert working with Defense, Intelligence, and Federal clients to achieve mission success and solutions for varied mission-critical programs. Founded in 2009, the company is headquartered in Fairfax, USA, with a team of 51-200 employees. The company is currently Growth Stage.

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