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Defense Contractor Software Engineer Jobs in Colorado

... defense contractor that delivers advanced technologies in support of U.S. National Security. For ... SciTec has an immediate opportunity for a talented Python Software Developer in Boulder, CO, to ...

... defense contractor that delivers advanced technologies in support of U.S. National Security. For ... SciTec has an immediate opportunity for a talented software engineer to support our programs ...

... defense contractor that delivers advanced technologies in support of U.S. National Security. For ... SciTec has an immediate opportunity for a talented software engineer to support our programs ...

C++ Senior Staff/Senior Software Engineer

Boulder, CO · On-site

$128K - $170K/yr

... defense contractor that delivers advanced technologies in support of U.S. National Security and ... SciTec is seeking a senior C++ software developer to support programs delivering Missile Defense ...

... defense contractor that delivers advanced technologies in support of U.S. National Security and ... SciTec is seeking a senior C++ software developer to support programs delivering Missile Defense ...

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Defense Contractor Software Engineer information

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

To excel as a Defense Contractor Software Engineer, you should possess strong programming skills in languages like C++, Java, or Python, a bachelor's degree in computer science or engineering, and eligibility for security clearance. Familiarity with tools and frameworks such as embedded systems, real-time operating systems (RTOS), and secure software development methodologies is often required, along with certifications like Security+ or CISSP. Outstanding problem-solving, attention to detail, and the ability to communicate effectively within multidisciplinary teams are valuable soft skills. These capabilities ensure project success, compliance with stringent regulations, and the ability to innovate in high-stakes, mission-critical environments.

What are typical daily responsibilities for a Defense Contractor Software Engineer?

As a Defense Contractor Software Engineer, your daily responsibilities may include designing, coding, and testing software for defense systems, debugging complex issues, and ensuring products comply with security and regulatory standards. You'll often collaborate closely with systems engineers, hardware teams, and project managers to deliver integrated solutions. Depending on your project, you might also participate in technical reviews, support integration and testing activities, and maintain thorough documentation. Working within a multidisciplinary team, you will play a key role in delivering reliable and secure technology critical to national defense.

What is a Defense Contractor Software Engineer job?

A Defense Contractor Software Engineer develops, tests, and maintains software systems for military and defense applications. They work for private companies that contract with government agencies, such as the Department of Defense, to create secure and reliable software solutions. Their work often involves embedded systems, cybersecurity, and compliance with strict government regulations. This role requires a security clearance, knowledge of specialized programming languages, and an understanding of defense industry standards.

What are the most commonly searched types of Defense Contractor Software Engineer jobs in Colorado? The most popular types of Defense Contractor Software Engineer jobs in Colorado are:
What are popular job titles related to Defense Contractor Software Engineer jobs in Colorado? For Defense Contractor Software Engineer jobs in Colorado, the most frequently searched job titles are:
Infographic showing various Defense Contractor Software Engineer job openings in Colorado as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.
Senior Software Engineer

Senior Software Engineer

Grey Matters Defense Solutions

Englewood, CO • On-site

$130K - $172K/yr

Full-time

Posted 21 days ago


Job description

Grey Matters Defense Solutions specializes in software development and solutions, specialized data analytics algorithms, and innovative remote sensing technologies and operations, with senior-level personnel formerly from DIA, NRO, DARPA, and the US Armed Forces. Grey Matters Defense Solutions differentiates itself by combining its subject matter experts, analysts, software engineers, and its data scientists to create unique artificial intelligence algorithms and various applications.

Grey Matters Defense Solutions is seeking a talented and dedicated, Senior Software Engineer

About the job:

• Solve real world problems relevant to the Intel Community (IC) and Department of Defense (DoD) using a combination of FOSS/GOTS/COTS software and hardware.
• Contribute to all aspects of project software development lifecycle from research, prototyping solutions to assess feasibility, integration with external software systems, development, and product deployment. Key
About you:

Grey Matters Defense Solutions specializes in software development and solutions, specialized data analytics algorithms, and innovative remote sensing technologies and operations, with senior-level personnel formerly from DIA, NRO, DARPA, and the US Armed Forces.  Grey Matters Defense Solutions differentiates itself by combining its subject matter experts, analysts, software engineers, and its data scientists to create unique artificial intelligence algorithms and various applications.
Grey Matters Defense Solutions is seeking a talented and dedicated, Senior Software Engineer
About the job:
  • Solve real world problems relevant to the Intel Community (IC) and Department of Defense (DoD) using a combination of FOSS/GOTS/COTS software and hardware.
  • Contribute to all aspects of project software development lifecycle from research, prototyping solutions to assess feasibility, integration with external software systems, development, and product deployment.
Key Responsibilities:
  • Architect, prototype, develop, secure, test, and help deploy and maintain software within a cloud-based environment
  • Support deployments in real world exercises
  • Support Agile project planning, reporting, and execution
  • Research relevant software technologies, frameworks, best-practices, software design pattern, and tools.
  • Provide design ideas for adapting or enhance existing program capabilities or development of new program capabilities.
About you:
  • Proficiency working with Java and the Spring Framework
  • Proficiency working with Angular and Typescript
  • Experience with microservice architectures within a Docker containerized environment
  • Familiarity with PostgreSQL and Mongo databases
  • Experience developing software in a Unix/Linux environment
  • Experience with the software development lifecycle
  • Excellent analytic and problem-solving skills
  • Ability to work under minimal supervision
  • Good verbal and written communication skills
  • Bachelor’s degree in computer science, IT, or equivalent technical discipline
  • Minimum ten (10) years of professional software development experience
Preferred Skills:
  • Experience with Git and Gitlab
  • Experience with Docker and Kubernetes
  • Experience with asynchronous communications
  • Experience with network technologies such as HTTP and REST
  • Experience with Continuous Integration and Continuous Delivery (CI/CD)
  • Experience doing full stack software development
  • Familiarity with ActiveMQ
  • Familiarity with WebSockets
  • Familiarity with DevSecOps
  • Familiarity with Test Driven Development (TDD)
  • Active Top Secret Security Clearance with SSBI
  • Master’s degree in computer science, IT, or equivalent technical discipline


Grey Matters Defense Solutions’ most valuable assets are the more than 60 employees, consisting of data scientists, custom software developers, and analysts/subject matter experts, with senior-level personnel formerly from DIA, NRO, NSA and the US Armed Forces. Our employees have a depth of analytical knowledge which provides them with deep understanding of managing and delivering products within government systems. Grey Matters Defense Solutions provides transformational leadership building aware-winning teams and products.

Visit us at Grey Matters Defense Solutions
https://www.linkedin.com/company/grey-matters-defense-solutions/

“Know Your Rights: Workplace Discrimination is Illegal”
Questions contact: jenny.rosenberg@greymattersdefense.com

  • All qualified applicants will receive consideration for employment regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.
  • Grey Matters Defense Solutions, LLC participates in E-Verify. Federal law requires all employers to verify the identity and employment eligibility of all persons hired to work in the United States.
  • Grey Matters Defense Solutions, LLC complies with the Colorado Artificial Intelligence Act (CAIA) and maintains policies, controls, and oversight practices designed to mitigate algorithmic discrimination, promote transparency, and ensure responsible use of AI systems in accordance with Colorado law.

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