Principal System Administrator - Level 1 Help Desk (22-314)

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.

• Ensure all data is being backed up on a regular basis
• Ensure backup system is functioning correctly and periodically test the backup system by restoring files
• Respond appropriately to any system security/virus incident discovered
• Install, configure, monitor, manage and maintain all Linux based servers - Create and maintain Linux server documentation
• Create and maintain Linux system administration processes and procedures
• Install, configure, manage and maintain Linux server based applications
• Ensure Linux based systems have the appropriate patches installed; including but not limited to, security, applications and OS
• Ensure Linux based systems are running current versions of antivirus software with current virus definition files
• Create, manage and maintain security groups
• Create, manage and maintain user accounts
• Monitor, manage and maintain storage systems and devices
• Create and maintain Windows/Linux server images
• Recommend system enhancements, including but not limited to, servers, applications, storage, processes and procedures
• Recommend when additional system resources are required or when existing resources should be retired
• Ensure all appropriate asset management functions are completed as required
• Ensure all Linux servers are configured to comply with all appropriate security policies
• All other tasks as assigned by the IT site lead or IT manager

• An active Secret clearance is required.
• 5 Years with Bachelor's degree in a related field; 9 years' experience in lieu of a degree.
• Must possess a DoD 8570 certification at IAT Level II or higher (Security+, GSEC, SCNP, SSCP, CISSP, CISA, GSE, SCNA)
• Linux system administration, System Security Implementations, Linux shell scripting, Ansible playbook development and management, Security-Enhanced (SE) Linux and Red Hat repository administration.
• Technical skills supporting a varied and diverse environment including server setup, deployment and maintenance.
• Must also have a background/ knowledge of Linux environment and administration.
• Must have working knowledge of Agile principles and practices.
• Understanding of configuration managed Platform-as-a-Service (PaaS).
• Understanding of what IT's role is in Continuous Integration and Delivery (CI/CD) and how it can be applied to PaaS.
• Knowledge with applying containers (Docker) and use of container orchestration (Kubernetes).

• Knowledge of the following: Security Technical Implementation Guides (STIG) , Multi-Factor Authentication implementation like IPA and ADFS, OpenShift, OpenStack, VMware ESXI, QAS/VAS, Windows, Active Directory, Backup and Recovery, Containers and Container Orchestration products.
• Knowledge of Git, Nexus, Jenkins, Jira and Confluence.
• Understand the concept of PaaS and SaaS.
• Knowledge of Continuous Integration and Continuous Delivery and how it applies to IT and IT products.
• Container experience.
• Experience with LINUX Products (Red Hat LINUX) use of Atlassian tools such as Confluence and Jira.

• Health Plan
• Savings Plan
• Paid Time Off
• Education Assistance
• Training and Development
• Flexible Work Arrangements