Riverside Research seeks a personable and highly technical individual capable of providing information technology support to groups performing cutting-edge research supporting national security interests. In the role of Senior IT Systems Administrator, a successful candidate will leverage experience supporting Linux and Windows-based IT infrastructure as well as DevOps-oriented tools and processes to provide end-user support, operation, and maintenance of IT systems in several classified computing environments. As a part of a large, distributed team of IT professionals, this role affords a self-motivated candidate a high degree of flexibility and autonomy, permitting you the opportunity to learn and grow while making a direct impact on national security. This is an on-site position located at our Fairfax office.