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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer (GRI) - **Company:** Lyntris Inc - **Location:** United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Reference Implementation, Java (Programming Language), Apache ActiveMQ, Application Programming Interfaces (APIs), Systems Engineering, Automation of Tests, C++ (Programming Language), Configuration Management, Static Program Analysis, Software Documentation, Software Quality, Code Review, Computer Engineering, Continuous Integration, DevOps, Distributed Systems, Network Interface Controllers, Integrated Development Environments, Interoperability, Python (Programming Language), Messaging Application Programming Interface, Software Architecture, Requirements Traceability, Software Construction, Software Engineering, Product Software Implementation Methods, Software Requirements Analysis, SonarQube, Systems Modeling Language, Systems Architecture, Systems Integration, Software Technical Review, TypeScript, ZeroMQ (Concurrent Programming Libraries), Software Verification, Delivery Pipeline, Reliability of Systems, Git, Containerization, Gitlab-ci, Integration Tests, Information Technology, Docker, Programming Languages - **Published:** July 15, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9031750/software-engineer-gri ## About the Role * Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, Electrical Engineering, Systems Engineering, or a related technical discipline (or equivalent practical experience). * 5+ years of professional software engineering experience developing production-quality software. * Strong proficiency in C++ software development. * Experience with modern DevOps tools and practices, including GitLab CI/CD, SonarQube, automated testing, and containerized development environments. * Experience developing software for large-scale distributed systems utilizing messaging frameworks such as ActiveMQ, DDS, ZeroMQ, or similar technologies. * Familiarity with Model-Based Systems Engineering (MBSE) artifacts and experience translating SysML or Cameo models into software implementations. * Experience collaborating with systems engineers, architects, autonomy engineers, and government stakeholders to validate software architecture implementation and interoperability. * Experience with one or more of the following domains: * + Autonomy and robotics integration + Mission planning + Task allocation + Command-and-control architectures * Strong analytical, problem-solving, and communication skills with the ability to work effectively in multidisciplinary engineering teams. * Currently holds an active U.S. national security clearance. * Master's degree or PhD in Computer Science, Software Engineering, Computer Engineering, Systems Engineering, or a related technical discipline. * Experience developing software for defense, aerospace, or other mission-critical systems. * Experience implementing standards-based APIs, data models, and interfaces derived from Interface Control Documents (ICDs) and SysML architecture models. * Knowledge of software verification and validation, integration testing, systems integration, and requirements traceability. * Proficiency in additional programming languages such as Java, Python, or TypeScript. * Experience using Git, CI/CD pipelines, automated testing frameworks, and containerized software development environments. * Experience working with rootless Podman container environments. * Familiarity with open systems architectures, digital engineering initiatives, or Model-Based Systems Engineering (MBSE) workflows. * Active-duty military experience. * Prolonged periods sitting at a desk and working on a computer. * Must be able to lift up to 15 pounds at times. Some positions will require access to U.S. National Security information. Positions that require this access will be required to receive and maintain a U.S. government personnel security clearance (PCL). In order to qualify for this position, the candidate must be a US Citizen and either currently possess this National Security eligibility or be able to complete the investigation application process with a favorable determination and maintain that eligibility throughout their employment. To learn more about the security clearance process please access this link. ## Description We are seeking an experienced Government Reference Implementation (GRI) Software Engineer to develop production-quality software that implements Government Reference Architectures for autonomy and mission-critical defense systems. The ideal candidate will have a strong background in C++ software development, distributed systems, and modern DevOps practices, with experience translating Model-Based Systems Engineering (MBSE) artifacts into interoperable software components. This role will work closely with systems engineers, architects, autonomy engineers, and government stakeholders to deliver standards-based software implementations that validate architecture designs, support interoperability, and enable the integration of advanced mission capabilities. * Design, develop, test, and maintain production-quality software implementing Government Reference Architectures for defense and mission-critical systems. * Develop high-performance software applications using C++ while following software engineering best practices. * Translate MBSE artifacts, including SysML and Cameo models, into functional software components and standards-based implementations. * Implement APIs, data models, and software interfaces derived from Interface Control Documents (ICDs), architecture models, and system requirements. * Develop and maintain software supporting distributed systems utilizing messaging frameworks such as ActiveMQ, DDS, ZeroMQ, or similar technologies. * Collaborate with systems engineers, software architects, autonomy engineers, and government stakeholders to validate architecture implementation, interoperability, and system performance. * Participate in software integration, verification, validation, and interoperability testing activities. * Develop and maintain automated build, test, and deployment pipelines utilizing modern DevOps practices and CI/CD tools. * Utilize automated code quality, static analysis, containerization, and testing tools to ensure software reliability and maintainability. * Support software documentation, technical design reviews, code reviews, and configuration management activities. * Contribute to continuous improvement of software development processes, architecture implementation, and engineering best practices. * Performs other duties as assigned. ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Robots are coming into the wild! 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