Senior Linux System Administrator

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Amentum is a leading provider of support for essential missions of the U.S. Government, its allied partners and international organizations. Amentum's portfolio includes capabilities in critical facility infrastructure, aviation, logistics, training, meteorological data collection platforms, range operations and national security solutions, to support complex missions for customers around the world.

Amentum, in support of the NOAA National Data Buoy Center (NDBC) at Stennis Space Center (SSC), is currently seeking a Senior Linux System Administrator.

NDBC provides quality observations in the marine environment to support the understanding of and predictions to changes in weather, climate, oceans, and coasts. NDBC designs, engineers, fabricates/integrates, tests, deploys, maintains/repairs 4 worldwide buoy systems: 106 Weather Buoy Stations, 43 Coastal Observation (C-MAN) stations, 55 Tropical Atmosphere-Ocean Array (TAO) systems, and 39 Deep-Ocean Assessment and Reporting of Tsunami (DART) stations. Program scope also includes data collection/analysis/storage/dissemination (via satellite/website/other means) of related weather and environmental data from these systems (25%) and other sources (75%) of in-situ weather data.

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).

Duties/Responsibilities:

• Ensure reliable system and data backups.
• Maintain and monitor data center environmental equipment.
• Upgrade operating systems in advance of end-of-support dates.
• Manage/maintain server certificates.
• Perform ongoing performance tuning, hardware upgrades, and resource optimization as required.
• Communicate/brief upcoming maintenance efforts.
• Maintain Red Hat Enterprise Linux subscriptions.

• 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.

  • Deploy software application updates for both COTS as well as internal applications.

  • Plan and implement migration of local systems to 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.

• Plan and implement migration of local systems to cloud environment, where possible, in a cost-effective manner.
• Follow system administration best practices.
• Support IT architecture improvements to ensure continuity of operations for primary mission essential functions and the flow of data.
• Implement strategies to automate routine administration tasks.
• 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.
• Deploy software application updates for both COTS as well as internal applications.
• Patch and configure systems in compliance with NOAA security requirements.
• Support the annual NDBC IT Assessment and Authorization (A&A) audits and actively execute to completion and closure of any findings to ensure NDBC maintains its Authority to Operate (ATO).

Requirements:

• Must be able to successfully complete a NOAA (Stennis Space Center)/NASA background investigation for site/system access.
• 7 years or more experience in the installation/configuration, operation, and maintenance of IT system hardware and software and related IT infrastructure.
• Experience implementing automation to streamline recurring system administration tasks is highly preferred; experience with scripting languages.
• Experience with containers is desirable.
• 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.
• Experience in installing and maintaining system hardware, operating systems, software systems, network systems, security systems.
• Able to work autonomously and take initiative in identifying areas for improvements and proposing solutions.
• Experience applying OS patches and upgrades on a regular basis, and upgrades of administrative tools and utilities; configuring, adding, and removing services as necessary.
• Demonstrated knowledge and experience supporting Red Hat Linux, Apache, Tomcat, drivers, applications, vulnerabilities, security requirements and postures, quarterly STIG updates.
• An understanding of programming languages, such as Java, PHP, and Perl.

Education Requirements:

• Bachelors of Computer Science, Information Systems, or equivalent. Experience may be considered as an equivalent.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, religion, color, sex, gender, national origin, age, United States military veteran’s status, ancestry, sexual orientation, marital status, family structure, medical condition including genetic characteristics or information, veteran status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law.

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