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Defense Contractor Software Engineer Jobs in Colorado

SciTec

Staff / Sr Staff Full Stack UI Engineer

Boulder, CO · On-site

$102K - $157K/yr

... defense contractor that delivers advanced technologies in support of U.S. National Security and ... We are seeking a Full Stack Software Engineer to design, develop, and maintain user-facing web ...

Apply Early

SciTec

Staff / Sr Staff Full Stack UI Engineer

Boulder, CO · On-site +1

$102K - $157K/yr

... defense contractor that delivers advanced technologies in support of U.S. National Security and ... We are seeking a Full Stack Software Engineer to design, develop, and maintain user-facing web ...

SciTec

Staff / Sr Staff Full Stack UI Engineer

Boulder, CO · On-site

$102K - $157K/yr

... defense contractor that delivers advanced technologies in support of U.S. National Security and ... We are seeking a Full Stack Software Engineer to design, develop, and maintain user-facing web ...

Rincon Research Corp

Software Engineer

Englewood, CO · On-site

$85K - $152K/yr

Rincon Research Corporation seeks a Software Engineer to create cutting edge software and cloud computing solutions to challenging national security and defense signal processing, geolocation, and ...

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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:
What job categories do people searching Defense Contractor Software Engineer jobs in Colorado look for? The top searched job categories for Defense Contractor Software Engineer jobs in Colorado are:
Defense Contractor Software Engineer jobs near you
Infographic showing various Defense Contractor Software Engineer job openings in Colorado as of June 2026, with employment types broken down into 71% Full Time, 28% Part Time, and 1% Contract. Highlights an 90% Physical, 1% Hybrid, and 9% Remote job distribution.
Senior Software Engineer, C++

Senior Software Engineer, C++

Grey Matters Defense Solutions

Boulder, CO • On-site

$130K - $195K/yr

Full-time

Medical, Dental, Vision, Life, Retirement

Posted 25 days ago

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Job description


Job Title:  Senior Software Engineer                           
Location:  Boulder, Colorado
Clearance: Secret Clearance
 
Grey Matters Defense Solutions, LLC is a specialized firm in software development, data analytics algorithms, and advanced remote sensing technologies, tailored to meet the complex demands of defense and intelligence sectors. Staffed by a diverse range of professionals—from senior-level experts from organizations like the Defense Intelligence Agency (DIA), National Reconnaissance Office (NRO), Defense Advanced Research Projects Agency (DARPA), and the U.S. Armed Forces, to recent graduates and military recruits. By integrating the skills of subject matter experts, analysts, software engineers, and data scientists, Grey Matters Defense Solutions, LLC delivers unique artificial intelligence algorithms and applications, positioning itself as a leader in innovative solutions for defense and intelligence.


About the job:

  • Work in a fast-paced team delivering end-to-end software processing of Overhead Persistent InfraRed (OPIR) sensor data for Missile Warning, Missile Defense, Battlespace Awareness, and Technical Intelligence. 
  • Looking for C++ Application Developers to work in a rapid pace, collaborative, small-team environment and be able to engineer, prototype, develop, integrate, and test advanced software solutions into Government frameworks.  
     

Key Responsibilities:

  • Work independently on program tasks or features, may own small projects or large tasks; technical lead or lead developer for an Agile team
  • Demonstrates fluent, idiomatic mastery of C++; comfortable with software design and architecture, not embedded C++
  • Regularly communicates with customers, present status, engage in program-level meetings and processes.

About you:

  • At least fifteen years (15) of professional experience and fluency in C++
  • At least two years of professional experience using Linux operating systems
  • Knowledge of writing and debugging CMake
  • Knowledge of writing and debugging shell scripts
  • Knowledge of Data Structures
  • Docker
  • Python
  • Git/Gitlab
  • A Bachelor's degree in the physical sciences, mathematics, engineering, or computer science
  • The ability to obtain and maintain a DoD security clearance

Preferred Skills:

  • An advanced degree in the physical sciences, mathematics, engineering, or computer science
  • Experience with software prototyping, development, and integration within government frameworks
  • Experience with the exploitation and analysis of OPIR, E/O, SAR, Spectral, RF, or other remotely sensed data
  • Professional experience with DevSecOps
  • Professional or academic experience with Agile software development

Salary Range: $105,000 - $180,000 + an additional 25% of salary, employer contribution into a SEP IRA
 

Grey Matters Defense Solutions, LLC offer a comprehensive benefits package including medical, dental, vision, life insurance, short-term, long-term disability, and voluntary benefits such as accident, hospital indemnity, and wellness benefits. 
Additional Benefits:

  • 25% (of salary) employer contribution distributed monthly to your SEP IRA
  • Individual Benefit Account 25% (of salary to pay for medical insurance premiums and funded time off)
  • Employee assistance program
  • Employee discount
  • Health savings account
  • Referral program
     

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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