Principal Network Administrator

At the heart of Defining Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and software-secure technology to enable strategic planning. We’re looking for innovators, who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared mission, we will support yours of expanding your personal network and developing skills, whether you are new to the field or an industry thought-leader. At Northrop Grumman, you will have the resources, support, and team to do some of the best work of your career. Northrop Grumman's Chief Information Office - Classified Solutions Team is seeking a well-qualified Principal Network Administrator to join its dynamic team of technical professionals in Dulles, VA. **Due to the classified nature of the work being performed, virtual or telecommute work is NOT permitted. Applicants are encouraged to apply only if they are willing/able to work on site.** Roles and responsibilities will include but not be limited to the following: Maintain smooth operation of classified network. Plan, evaluate, configure, and install network hardware in accordance with customer requirements. Maintain technical expertise in all areas of networks and computer hardware and software interconnection and interfacing, such as routers, multiplexers, firewalls, hubs, bridges, gateways, etc. Create and ensure that appropriate network documentation exists, including operational instructions. Provide regular monitoring and network analysis regarding short- and long-range planning for in-house systems. Perform troubleshooting analysis of network infrastructure and associated systems. Install and configure Cisco routers, switches, and firewalls. Coordinate third-party maintenance for network equipment. General knowledge of Windows server and desktops required, in order to help server administrators as required with server and desktop tasks. The successful applicant will demonstrate the ability to work in a team environment with engineering users, other network administrators, systems administrators, and computer/facility organizations. The ability to multi-task and good communication skills, both verbal and written, are required. The selected candidate should thrive in a fast-paced work environment with high expectations, significantly diverse assignments, and collaborative/team settings across all levels.