Principal Network Administrator - Polygraph

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Polygraph TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. At the heart of Defining Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure technological solutions to enable strategic objectives. 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 by 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. The Northrop Grumman Classified Solutions team is seeking a Principal Networks Communications administrator to support information system lifecycle activities.   The selected candidate will be required to work on-site, full-time at our Baltimore, MD location. This is not a remote/virtual position.   The responsibilities of this role include, but are not limited to, the following: • Maintains smooth operation of classified network. • Plans, designs, configures, and installs network hardware in support of customer requirements. • Maintains technical expertise in all areas of networks and computer hardware and software interconnection and interfacing, such as routers, multiplexers, firewalls, switches, gateways, etc. • Proposes solutions to management to ensure all communications requirements based on future needs and current usage, configuring such solutions to optimize cost savings. • Creates and ensures that appropriate network documentation exists, including operational instructions. • Provides 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. • Implement and troubleshoot LAN technologies such as VLANs, Trunking (port tagging), Spanning-Tree, and Port Security. • Provide third-level support and troubleshooting of network problems. • Able to design and implement an enterprise network.  Experience with Microsoft Office, Visio, Project, PowerPoint and Excel. • Ability to lift equipment weighing up to 40 pounds • Ability to work after hours, and weekends, as needed Note: Due to the classified nature of the work being performed, this position does not offer any virtual or telecommute working options. Applicants are encouraged to apply, only if they are willing to work on-site.  Basic Qualifications: • Master's Degree with 3 years of IT experience; OR a Bachelor’s degree with 5 years of IT experience; OR an Associate’s degree with 7 years of IT experience; OR a High School Diploma/GED with 9 years