Sr. Linux Administrator
Works independently under general direction of ETC Systems Operations Manager; expected to work as part of an onsite team on a daily basis; possesses the ability to build consensus among team members; is highly organized; is able communicate regularly on project and task progress; responsible for resolving issues in a timely manner; must possess excellent communication skills both written and verbal.
Essential Duties and Responsibilities:
The Sr. Linux Administrator will serve as a primary staff member (SME) responsible for the ongoing and environment upgrade operations of the Linux operating environment, including responsibility for effectively provisioning, server installations, support and administration including: physical and virtual server setup (VMWare 4 and 5), OS installations, automation utilizing Scripting, troubleshooting, application level support and root cause analysis. The candidate will lead in technical research and development to enable continuing innovation within the infrastructure and ensure that system hardware, operating systems, software systems. Candidate will also be responsible for the continued maintenance of systems including software installation, apply patches, manage file systems, monitor/tune performance and troubleshoot alerts from commercial, open source and locally developed monitoring tools.
Candidate will lead and/or assist project teams with technical issues in all phases of company's standards and best practices. These activities include the definition of needs, benefits, and technical strategy; research & development within the project life cycle; technical analysis and design; and support of operations staff in executing, testing and rolling-out the solutions. Candidate will work with storage team to assist with the management of NAS and SAN storage arrays, SAN switch fabric and server storage allocation requirements.
Qualifications/Requirements:
In-depth knowledge of Linux Distros (Centos, Redhat), Open source and SAN/NAS technologies
10 years professional systems maintenance experience in a Linux data center environment
Significant experience with Linux Servers including demonstrated expertise in operating system installation, configuration, performance tuning, upgrades, migrations, and maintenance
Proven experience installing, supporting and troubleshooting Linux on various hardware makes/models as well as in virtualized environments
Strong experience with system management tools, logical file systems, and server environments.
Functional knowledge of core protocols such as TCP/IP, SSH, SMTP, NFS and DNS.
Ability to write scripts to automate regular operational tasks
Knowledge and experience with Shell Scripting
Understanding of typical load balancing approaches and configuration, Firewall operation, including network and port translation troubleshooting.
Solid understanding of Linux-based operating system including paging and swapping, inter-process communication, devices and what device drivers do, filesystem concepts (inode, clustering, logical partitions), etc is a must
24/7 production support
Educational Requirements: (note required and desired)
Four(4) year college degree or equivalent related working experience