Software Engineer III

Job Title: Software Engineer III

Job Location: Huntsville, AL

Arcarithm is seeking an experienced Software Engineer (Level 3) to support Lockheed Martin’s Modeling and Simulations Contract for Framework and Tools (MASC-F) program. This role will focus on designing and developing secure, scalable, and high-performance software systems that operate within standalone and distributed computing environments. The ideal candidate will be a recognized expert in software development and system architecture with demonstrated experience leading Agile development teams in defense or mission-critical domains.

Must have an active and transferable DoD security clearance with current investigation at the required level. Must be able to maintain the required clearance

• Bachelor's degree in Computer Science, Software Engineering, or a related technical field (or equivalent experience/combined education)
• Minimum 5 years of professional software engineering experience, or 3 years with a Master’s degree and a related field
• Strong experience with Java, C++, and the Eclipse IDE
• Solid understanding of UI/UX design principles and implementation
• Experience integrating with tools and technologies such as RabbitMQ, Storybook, Jupyter Notebooks, Atlassian suite (Jira, Confluence), and Digital Agility

Key Responsibilities:

• Participate on a team of software developers supporting architecture discussions; code design, development and review to delivery; and integration
• Develop code based on written features in a highly collaborative environment, provide code-level insights to debug software
• Ensure adherence to software engineering standards, language style guides, best practices, and configuration management processes
• Develop UI/UX components and intuitive front-end solutions using tools such as Storybook and modern Java/C++ frameworks
• Work with containerization tools like Docker an/or Podman to support the program’s shift toward microservices and scalable deployment models
• Collaborate in a fast-paced Agile environment, utilizing tools like Jira and Confluence (Digital Agility) for sprint tracking, backlog grooming, and team collaboration
• Participate in mixed classification and distributed computing environments for code development, deployment, and testing
• Assist teams with breaking down Feature development stories to actionable tasks that can be independently developed and collectively integrated
• Interface with cross-functional teams, including systems engineers, software testers, product owners, and Lockheed program leadership

Desired Skills:

• Experience supporting DoD or aerospace/defense programs
• Experience with the OpenSplice software
• Experience with Test-Driven development practices
• Background in distributed systems, local compute cluster platforms / cloud architectures, and containerized environments (e.g., Docker, Podman)
• Knowledge of OSF-G architecture or similar real-time frameworks
• Experience with DevSecOps pipelines and CI/CD processes
• Experience with NodeJS, JavaScript, TypeScript, or React
• Experience with UI and/or Web Development
• Experience with C++ and Java (not as critical as the first set of languages)