Responsibilities will include deploying, automating, maintaining, troubleshooting, and improving the systems and software infrastructure running smoothly. Full lifecycle design, implementation, and unit testing of software Work with various team members to integrate functionality with other software components. Supporting the gathering and reporting software metrics. Follow program software best practices. Develop software products within all phases of the software lifecycle. Ability to obtain and maintain a DoD secret security clearance and Special Program Access is a required. (Principal Engineer Software) bachelor's degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline from an accredited university and 5+ years of experience in software engineering. (Sr. Principal Engineer Software) bachelor's degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline from an accredited university and 9+ years of experience in software engineering. 5+ years' (Principal) or 9+ years' (Sr.) experience in testing with C/C++ or other OOP languages. 5+ years' (Principal) or 9+ years' (Sr.) experience developing tests for software in a Linux and Windows environment. Excellent oral and written communication skills and Strong interpersonal skills. US citizen with ability to obtain and maintain a DoD Secret level security clearance. Interim DoD secret required to start. Ability to obtain and maintain special program access. 7+ years' experience developing software tests within the SELinux environment. Familiarity with the Atlassian tool suite with add-ons like Git and Confluence. Familiarity with the Agile software development process. Full software development life cycle experience. Experience with formal software test and Weapon System evaluations. US citizen with a current in scope DoD secret or higher clearance. Currently the holder of a special program access.