SAIC is seeking a Senior Field Software Test Engineer with strong experience performing software acceptance, integration, and regression testing, as well as configuration management. The candidate will take a key role in expanding the scale and accelerate the pace of our research, development, test and evaluation (RDT&E) supporting national security client projects at our facility in Upper Marlboro, MD and at other locations within the continental US. This role offers the opportunity to work with multi-disciplinary teams of engineers, data scientists, and AI scientists and contribute to innovative technology development and experimentation. Responsibilities: • Coordinate with software engineering teams to configure, deploy, and test applications and microservices on on-premises infrastructure and on cloud platforms. • Develop and maintain configuration documentation and software test plans. • Perform and document tests of APIs and microservices, including containerized services, communicate issues to development teams, and follow up to ensure resolution. • Coordinate testing activities with ongoing IDSL projects and priorities set up by program and technical leadership. • Contribution to maintenance of software testing environments. • Facilitate seamless code promotion into production by communicating issues identified by testing and verifying resolution. • Support cross‑functional teams by ensuring that our software products are tested and ready to meet changing research needs and client requirements. Required: • Bachelor of Science (BS) in Computer Science, Engineering, or a related discipline with 5+ years of experience or Master of Science (MS) with 3+ years of experience. • Ability to obtain and maintain a Public Trust requiring U.S. Citizenship • Strong communication and collaboration skills with teams across locations. Technical Requirements: • Strong experience testing and configuring software on premises and at field locations sites. • Strong experience with at least one programming language (e.g., GO). • Experience testing both front end and back end software products. • Experience testing APIs using tools like Postman. • Experience testing IoT and USB device integrations. • Experience with performance and load testing using tools like Gatling. • Experience with test automation suites such as Seleneum. • Experience with agile software development and tools such as Atlassian Jira, Confluence, Bitbucket, or similar. • Understanding with event‑driven systems or distributed architectures. • Understanding of infrastructure as code and CI/CD pipelines. • Familiarity with identity management principles and tools such as Active Directory. • Familiarity with DevSecOps best-practices.