• Maintain all Linux-based servers and clients located on premises and in an AWS cloud environment. • Follow system administration best practices. • Patch and configure systems in compliance with NOAA security requirements. • Upgrade operating systems in advance of end-of-support dates. • Support software development efforts. • Deploy software application updates for both COTS as well as internal applications. • Plan and implement migration of local systems to a cloud environment, where possible, in a cost-effective manner. • Ensure reliable system and data backups. • Manage/maintain server certificates. • Maintain Red Hat Enterprise Linux subscriptions. • Perform ongoing performance tuning, hardware upgrades, and resource optimization as required. • Participate in a rotation to provide 24x7x365 on-call support for the primary IT mission essential data processing, applications, and functions to support the continuity of operations of the NDBC information system. • Support IT architecture improvements to ensure continuity of operations for primary mission essential functions and the flow of data. • Support the annual NDBC IT Assessment and Authorization (A&A) audits through security patching and security-minded configuration updates; actively address changes needed as a result of Plan of Action & Milestones (POAM) requirements; help ensure NDBC maintains its Authority to Operate (ATO). • Communicate/brief upcoming maintenance efforts and/or anticipated impacts to stakeholders. • Implement strategies to automate routine administration tasks. • Maintain and monitor data center environmental equipment.