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Defense Contractor Software Engineer Jobs in Massachusetts

STR

Software Engineer

Woburn, MA · On-site

$110K - $138K/yr

Software Engineer The Mission: Do you want to build software that solves the world's most complex ... STR is a growing defense technology company. We specialize in advanced research and development for ...

Aquila Technology

Software Engineer

Lexington, MA · On-site

Aquila Technology is seeking a Software Engineer to join its team in support of one of the nation's premier defense research organizations.The Software Engineer will have the opportunity to work as ...

Aquila Technology

Software Engineer

Lexington, MA

Aquila Technology is seeking a Software Engineer to join its team in support of one of the nation's premier defense research organizations.The Software Engineer will have the opportunity to work as ...

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Defense Contractor Software Engineer information

What skills and qualifications are needed to thrive as a defense contractor software engineer?

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 does a defense contractor software engineer do?

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?

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 Massachusetts? The most popular types of Defense Contractor Software Engineer jobs in Massachusetts are:
What are popular job titles related to Defense Contractor Software Engineer jobs in Massachusetts? For Defense Contractor Software Engineer jobs in Massachusetts, the most frequently searched job titles are:
What job categories do people searching Defense Contractor Software Engineer jobs in Massachusetts look for? The top searched job categories for Defense Contractor Software Engineer jobs in Massachusetts are:
Defense Contractor Software Engineer jobs near you
Infographic showing various Defense Contractor Software Engineer job openings in Massachusetts as of August 2026, with employment types broken down into 79% Full Time, 5% Part Time, and 16% Contract. Highlights an 100% In-person job distribution.

Software Engineer

Riverside Research Institute

Lexington, MA • On-site

$145K/yr

Full-time

Re-posted 2 days ago

Job description

Riverside Overview
Riverside Research is an independent National Security Nonprofit dedicated to research and development in the national interest. We provide high-end technical services, research and development, and prototype solutions to some of the country's most challenging technical problems.
All Riverside Research opportunities require U.S. Citizenship.
Position Overview
Produce clean, efficient code based on specifications. Work with developers to design algorithms and flowcharts. Troubleshoot, debug and upgrade existing systems. Identify, prioritize and execute tasks in the software development life cycle. Modify existing software to correct errors, to adapt it to new hardware, or to upgrade interfaces and improve performance. Monitor functioning of equipment to ensure system operates in conformance with specifications. Analyze user needs and software requirements to determine feasibility of design within time and cost constraints. Develop or direct software system testing or validation procedures. Direct software programming and development of documentation. Confer with systems analysts, engineers, programmers and others to design system and to obtain information on project limitations and capabilities, performance requirements and interfaces. Store, retrieve, and manipulate data for analysis of system capabilities and requirements.
Responsibilities
Understands and works on complex issues where analysis of situations or data requires an in-depth evaluation of variable factors. Determines methods and procedures on new assignments. Exercises judgment in selecting methods, evaluating, adapting of complex techniques and evaluation criteria for obtaining results. Work is reviewed upon completion and is consistent with departmental objectives. Networks with key contacts outside own area of expertise. Adapts style and uses persuasion in delivering messages that relate to the wider firm business. Frequently advises others on complex matters. May be accountable through team for delivery of tactical business targets.
Qualifications
Required
  • Active Secret Clearnace
  • A minimum of 8 years of related experience with a bachelor's degree, 6 years with a master's degree, a PhD with 3 years experience.
  • p]:inline" data-streamdown="list-item">Professional software-development experience using Java, Python, C++, C#, JavaScript, or a comparable language.
  • p]:inline" data-streamdown="list-item">Experience developing and integrating RESTful APIs, web services, or distributed applications.
  • p]:inline" data-streamdown="list-item">Working knowledge of software-development principles, data structures, algorithms, and object-oriented design.
  • p]:inline" data-streamdown="list-item">Experience with source control and build or CI/CD tools such as Git, Maven, Gradle, Jenkins, or GitLab CI.
  • p]:inline" data-streamdown="list-item">Ability to work independently, prioritize assignments, and communicate effectively in writing and verbally.

Preferred
  • p]:inline" data-streamdown="list-item">Experience with Linux and Windows development environments.
  • p]:inline" data-streamdown="list-item">Familiarity with Spring, JEE, SQL, Docker, Kubernetes, OpenShift, or cloud-native development.
  • p]:inline" data-streamdown="list-item">Experience with automated testing frameworks such as JUnit, Mockito, Selenium, or Cucumber.
  • p]:inline" data-streamdown="list-item">Knowledge of DevSecOps, secure coding, systems engineering, or cryptographic technologies.
  • p]:inline" data-streamdown="list-item">Experience working on Agile teams using TDD, BDD, pair programming, or continuous integration.
  • p]:inline" data-streamdown="list-item">Familiarity with defense, intelligence-community, space, command-and-control, or other mission systems.

Global Comp
135,000 - 145,000 This represents the typical compensation range for this position based on experience, location and other factors.
Closing Statement
Riverside Research Institute is a not-for-profit, technology-oriented defense company, where service to our customers and support of our staff is our overall mission. Riverside is an affirmative action-equal opportunity employer and complies with all applicable federal, state, and local laws regarding recruitment and hiring. Riverside offers comprehensive compensation and benefit packages to our employees.
Riverside bases its employment decisions solely on technical experience, qualifications and other job-related criteria related to our organizational purpose as a not-for-profit company, and without regard to race, color, religion, age, sex marital status, sexual orientation, national origin, physical or mental disability, veteran's status or any other status legally protected by applicable federal, state, and local law.

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