Responsibilities:
- Install and configure Linux servers in production and staging environments using standard build tools, such as pxeboot, as well as in-house tools
- Work with software tools to administrate and configure the distributed systems infrastructure at LinkedIn
- Support large-scale, rapidly growing Linux server environment
- Collaborate to build tools and scripts for automating various system administration tasks
- Work with vendors’ customer support to resolve issues
- Performance tuning for both pre-prod and prod environments
- Assist in evaluating new technologies and hardware platforms and integrating them into our production environment
- Optimize hardware use for various LinkedIn applications, including in-house IO intensive applications and distributed databases requiring custom performance tuning
- Tier 2 troubleshooting of hardware and system issues
- Provide documentation of issues and supported systems and processes
- Work with internal customers and peers (SRE, engineering, etc.) through tickets, text chat, and phone
- 24/7 emergency support – will carry a pager on a rotating basis
Basic Qualifications:
- 3+ years of experience working in a UNIX environment
- 2+ years working in a hosted environment.
- 2+ years of experience deploying and supporting servers in a 24/7 production environment
- B.S./B.A. in a technical field, or equivalent practical experience
- Experience working with common scripting languages including shell, python, or perl
- Experience with applying kernel tuning
- Experience troubleshooting server hardware and network issues
Preferred Qualifications:
- Deep understanding of kernel internals and performance tuning
- Experience writing complex scripts for operational use
- Knowledge of storage technologies
- Experience running RHEL 6 and 7
- Experience running virtualized services
- Strong verbal, written, and analytical skills and the ability to communicate and interact with all team member