Sr. Integration and Test Engineer IV

Company: Archarithms Inc
Location: Huntsville
Posted on: April 1, 2026

Job Description:

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: Senior Integrator and Test Engineer IV Job Location: Huntsville, AL Job Description Arcarithm is seeking an experienced Senior Integration and Test Engineer (Level 4) to support Lockheed Martin’s Modeling and Simulations Contract for Framework and Tools (MASC-F) program. This role will focus on developing and executing software test procedures for requirements verification and Formal Qualification Testing of critical software components. The ideal candidate will be a recognized expert in software integration and system architecture with demonstrated experience performing requirements verification and/or accreditation of modeling and simulation software and physics-based models. Must have an active and transferable DoD security clearance with current investigation at the required level. Must be able to maintain the required clearance Required Education/Experience: Bachelor's degree in Computer Science, Software Engineering, or a related technical field (or equivalent experience/combined education) Minimum 9 years of professional software engineering experience, or 7 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 Jupyter Notebooks, Atlassian suite (Jira, Confluence), and Digital Agility Experience with requirements verification practices and processes Job Duties: Support the System Engineering Integration and Test functional organization in understanding software requirements and developing test processes and procedures to ensure those requirements are verified Lead integration and test activities by developing tests based on written features in a highly collaborative environment, provide high-level insights to debug software, and ensure delivered software meets the needs of the customer Verify and validate that developed software adheres to software engineering standards, language style guides, best practices, and configuration management processes Work with the customer to understand how the software is used and develop appropriate tests to verify that functionality 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 the integration and test teams with understanding Feature development stories and developing tests and processes that assess requirements and software stability Interface with cross-functional teams, including systems engineers, software testers, product owners, and Lockheed program leadership Support test automation to improve test coverage and requirements verification scope Preferred Qualifications: Experience supporting DoD or aerospace/defense programs 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 test automation

Keywords: Archarithms Inc, Murfreesboro , Sr. Integration and Test Engineer IV, IT / Software / Systems , Huntsville, Tennessee