Senior Linux System Administrator at the National Data Buoy Center. Managing on-prem and AWS Linux-based servers while supporting IT operations and architecture improvements.
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
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
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
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
Benefits
A variety of medical plan options
Dental plan options
Vision plan
401(k) plan with company match
Full flex work weeks where possible
Paid time off plans including vacation, sick, personal time, holidays, paid parental leave, military, bereavement, and jury duty leave
15 days of paid leave per year
10 paid holidays per year
GDIT Paid Family Leave program providing up to 160 hours of paid leave in a rolling 12 month period
Short and long-term disability benefits
Life, accidental death and dismemberment, personal accident, critical illness insurance
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