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Senior Linux System Administrator
The position is for the Senior Linux System Administrator responsible for the servers that process data from a global network of buoys, managed by the National Data Buoy Center (NDBC). This position is located at the NDBC facility at the Stennis Space Center in Mississippi.
Responsibilities:
- 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).
- Maintain all Linux-based servers and clients located on premises and in an AWS cloud environment. o Follow system administration best practices.
o Patch and configure systems in compliance with NOAA security requirements.
o Upgrade operating systems in advance of end-of-support dates.
o Support software development efforts.
o Deploy software application updates for both COTS as well as internal applications.
o Plan and implement migration of local systems to a cloud environment, where possible, in a cost-effective manner.
o Ensure reliable system and data backups.
o Manage/maintain server certificates.
o Maintain Red Hat Enterprise Linux subscriptions.
o Perform ongoing performance tuning, hardware upgrades, and resource optimization as required.
- 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.
Education Requirements: Bachelors of Computer Science, Information Systems, or equivalent. Experience may be considered as an equivalent.
Requirements:
- 8 years or more experience preferred in the installation/configuration, operation, and maintenance of IT system hardware and software and related IT infrastructure.
- Demonstrated advanced knowledge and experience supporting Red Hat Linux, Apache, Tomcat, drivers, applications, vulnerabilities, security requirements and postures, quarterly STIG updates.
- Knowledge of AWS solutions and migration of Linux systems is considered a plus.
- An understanding of programming languages, such as Java, Python, PHP, and Perl.
- Experience in installing and maintaining system hardware, operating systems, software systems, network systems, security systems.
- Experience applying OS patches and upgrades on a regular basis, and upgrades of administrative tools and utilities; configuring, adding, and removing services as necessary.
- Experience implementing automation to streamline recurring system administration tasks is highly preferred; experience with scripting languages.
- Experience with AWS lamda, containers, EC2 instances is desirable.
- Able to work autonomously and take initiative in identifying areas for improvements and proposing solutions.
- Able to communicate effectively with coworkers and stakeholders.
- Must be able to successfully complete a NOAA (Stennis Space Center)/NASA background investigation for site/system access.
- Must be able to obtain and maintain facility credentials/authorization. Note: US Citizenship or a valid Green Card is required for facility credentials/authorization at this work location.
