Sr. Principal Linux Systems Administrator

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 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 Classified Solutions team is seeking a well-qualified Linux Systems Administrator to join its dynamic team of technical professionals in Linthicum, MD. Please note that due to the classified nature of this position, the selected candidate will be required to work on-site, full-time, at our Linthicum, MD campus, and that this is not a remote work opportunity. Responsibilities will include but not be limited to the following: Perform as primary Linux Systems Administrator for a large, classified government contract. Communicate effectively at all levels of the organization, with internal and external customers, in written and verbal format. Maintain smooth operation of multi-user computer systems, including coordination with network, software, and system engineers, PC desktop technicians, project managers, end users, and customer and IT management. Support multiple networks and ensure necessary administration tasks are completed while directing others as necessary. Analyze internal and external customer requirements and determine equipment and software requirements for solutions to problems by means of automated systems. Recommend and implement system enhancements that will improve the performance and reliability of the system including installing, upgrading/patching, monitoring, problem resolution, and configuration management. Provide backup and recovery services, manage file systems and disk space, and manage virus protection on a routine basis. Create and maintain user and computer accounts and modify file permissions and security access lists. Test new releases of products to ensure compatibility and minimize user impact. Develop and document technical processes and procedures as needed. Make recommendations to purchase hardware, software, and system components. Interact, meet, discuss, and troubleshoot issues with vendors and evaluate vendor products, services, and suggestions. Adhere to strict Information Systems security guidelines in all cases. Maintain security audit and logging information on all classified networked and standalone computers as directed by the Information Systems Security Manager (ISSM). Prepare security documentation for input to Computer Security. Report project status as required for all recurring and non-recurring efforts. Work under minimal direction and independently determine and develop approach to solutions.