As a (Sr.) IT Systems Engineer / IT Systems Administrator, you will be responsible for leading and participating in the architecture, design, and development of the Linux and Unix infrastructure within PJM's enterprise. You will be working closely with the development and quality assurance teams to develop and improve the continuous delivery process. You will be part of a team managing and supporting over 1000 Linux/Unix systems in a 24x7 operation, so advanced knowledge of Linux/Unix is essential including knowledge of Enterprise configuration management. You will be interfacing with a team that manages Enterprise Storage systems, so advanced knowledge of SAN and Storage systems is highly valued. This is a technologically diverse position and will require the candidate to adapt quickly, learn and apply skills in everything from application and server administration to DevOps scripting and process automation.