Senior Systems Administrator/DevOps Engineer maintaining Linux production systems at Medata. Involves hands - on administration and support of web applications and automation practices.
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Hybrid Senior Linux System Administrator
Posted last month
About the role
- 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
- Business travel and accident insurance
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