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Software Engineer III

ArcarithmHuntsville, Alabama, United StatesRemote, Onsite

WE ARE ARCARITHM,

and we are changing the world!


If you are ready to grow your career and change the world with us, then join the Arcarithm team!We are located in beautiful, downtown Huntsville, AL, one of the fastest growing cities in the U.S.! At Arcarithm, we cultivate and foster an environment of integrity, open communication, work life balance, and career development. We are committed to investing in our employees by offering comprehensive health insurance options, a generous 401K plan, competitive salaries, continuous career growth opportunities, flexible schedules including remote work, mentoring and performance incentives. Arcarithm is currently seeking top talent in the areas of full stack software development, artificial intelligence, optimization, and data analytics.

You will work in a dynamic and challenging environment alongside our customers which include Lockheed Martin, General Dynamics, Northrop Grumman, Raytheon, US Army, US Navy, US Air Force, the Missile Defense Agency, and NASA on cutting edge technologies including machine learning, augmented and virtual reality, big data analytics, and more! We are excited to continue to change and improve the world through innovation and technology! Contact us today to hear more about Arcarithm and all we offer!

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

Arcarithm is an Equal Opportunity employer and all qualified candidates will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, genetic information, citizenship, ancestry, marital status, protected veteran status, disability status or any other status protected by federal, state, or local law. Arcarithm participates in E-Verify.  

Life at Arcarithm

Thrive Here & What We Value1. Dynamic and challenging environment2. Cutting edge technologies (machine learning, augmented/virtual reality, big data analytics)3. Comprehensive health insurance options4. Generous 401K plan5. Competitive salaries6. Flexible schedules (remote work included)7. Mentoring and performance incentives8. Integrity, open communication, work-life balance, career development

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