Required Qualifications - Security + or CISSP certification, TS/SCI security clearance- Good collaboration skills- Ability to work in a team environment- Good oral and written communication skills- Ability to work in a multi-discipline environment Technical Skills - Experience in JAVA- Network programming experience- Some basic programming skills- Linux script writing skills- Knowledge and experience with authentication, certificates, and other security routing protocols- Design, develop, and maintain RESTful APIs- Experience developing object-oriented software using Java- Experience developing software in a Linux environment Preferred Qualifications - Python, Linux, AWS, Agile, DevSecOps, Containerization, Orchestration- Experience with Atlassian tools such as Confluence, Jira, and Bitbucket Active TS/SCI Clearance Is Required Onsite in Dallas Metro Area Will Sponsor for Poly Job Title: Infrastructure Engineer Citizenship: U.S. Citizen Bachelors degree in Science, Technology, Engineering or Mathematics (STEM) and less than 2 years of prior relevant experience.