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Linux Systems Administrator III
Are valued and empowered, collaborative and team oriented, innovative in their approach and passionate about their work. They are reliable, trustworthy and open with a high level of integrity. They value diversity, are inclusive and are committed to a global mindset.
The Linux Systems Administrator works as part of the IT Operations team responsible for planning and executing the integration of Linux based products and services into a complex data center and network environment in an efficient, secure, scalable, reliable and cost effective manner.
Primary responsibilities include evaluation, implementation and support for Linux based solutions for F5 Networks production systems and web based applications. This includes any content delivery systems, hardware configuration, custom software implementation, database administration, network and systems design, storage systems administration, performance and process improvement, and systems documentation.
This position is also responsible for planning and executing small-to-medium scale projects within the Technical Operations team. Typical projects would include new business unit initiatives and updates to existing products and services that require planning, incredible attention to detail, and flawless execution.
¨ Responsible for the physical implementation, performance, integrity, security, documentation, and support of Linux server environments.
¨ Systems Administration and Support: executes day to day maintenance tasks including problem determination and resolution, as well as root-cause analysis. Responsible for responding to live site issues and for executing software, platform, and configuration changes.
¨ Documentation and Training: provides and maintains documentation of systems architecture, troubleshooting and support guidelines, system metrics, project information and plans, and training information for both Site Integration and Service Operations Center staff.
¨ Systems Management: ensures the use of performance data and historical metrics to effectively plan for growth needs, plan upgrades, migrations, and optimizations, new implementations, identify and resolve efficiency issues, and improve functionality.
¨ Product Testing: provides support for integration testing, system testing, regression testing and load testing prior to the final release of new and upgraded products and services.
¨ Standards and Best Practices: participates in the development of best practices including capacity planning, monitoring, configuration, security, historical metrics, recovery strategies, and migration strategies. Responsible for validation of and adherence to these defined standards.
¨ Process: participates in the continual refinement of processes and policies to ensure the highest possible performance and availability of our storage systems.
¨ Serve a 24/7 on-call rotation
¨ BA/BS in IS discipline or equivalent applicable experience.
¨ 4-7 years of Linux experience – RedHat, CentOS, Ubuntu, Debian
¨ Detailed knowledge of hardware technologies and systems support – administration, configuration, troubleshooting, performance tuning, security, and general maintenance of Intel platforms.
¨ Detailed knowledge of core Internet and networking protocols (DNS, DHCP, TCP/IP, ARP, HTTP, HTTP/S, SSH), IP communication, packet structure, load balancing equipment, and troubleshooting.
¨ Experience with enterprise Linux operating systems • Experience working in a high capacity mission-critical web serving environment with significant Internet components.
¨ Superior judgment, problem resolution, team building, negotiation, budgeting, and decision-making skills as well as the ability to work under continual deadline pressure.
¨ Superb written and verbal communications skills; excellent presentation skills.
¨ Experience in monitoring and administration of server systems, including but not limited to: performance optimization of web and application services.
¨ In-depth understanding of monitoring and logging techniques, as well as an understanding of virtualization
¨ Experience supporting high-availability production servers.
¨ Understanding of scripting a plus – Perl & bash
¨ Understanding of Cloud services such as Amazon Web Service (AWS) a plus
Physical Demands and Work Environment
Duties may require being on call periodically and working outside normal working hours (evenings and weekends). Duties are performed in a normal office environment while sitting at a desk or computer table. Duties require the ability to utilize a computer, communicate over the telephone, and read printed material.
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