Unix administrator

Job Description – Unix Administrator
Key Tasks and Responsibilities
 Provide global production support for the Red Hat Enterprise Linux and Oracle Linux distributed infrastructure
while on shift.
 Address incidents picked up by the monitoring systems alerting on global Unix & Linux infrastructure within a
timely manner.
 Resolve problem tickets allocated to team on central management tools (e.g. Service Now)
 Implement requests for service as generated in manual and automated ticketing systems (e.g. SNOW, etc)
 Regular verbal and written communication with business partners and other support teams to clarify details of
incidents or service requests to maintain production stability and meet established SLAs.
 Liaise with vendors to analyze crash dumps, or infrastructure problems
 Operational knowledge of key technologies, such RHEL 5/6/7, Oracle Linux, LVM/VxVM, VCS/RHCS, NetApp,
NetBackup, Blade technology, SAN/NAS storage / HP, Dell, IBM Servers.
 Provide projects support for Red Hat Enterprise Linux and Oracle Linux distributed infrastructure, preferably
worked in Storage Migration, Patching, P2V, DC Exit, OS Migration, Unix estate wide remediation projects and
BCM/Isolation tests, Power down activities.
 Vulnerability management and remediation on Redhat Linux and Oracle Linux.
 Experience in supporting UNIX based distributed computing environment with a large number of systems (500+)
 Good written and spoken English, able to communicate in English with remote teams.
 Strong analytical and logical skills.
 Team work, ability to contribute to and work in a team, as well as at times step up and lead a number of people
when handling problems or incidents
 Strong inter-personal and communication skills, capable of writing/contributing to technical knowledge articles
 Independent problem solving skills and effective time management
 A solid understanding of a UNIX-based operating system, preferable Red Hat Enterprise Linux 5/6.
 Good troubleshooting skills with knowledge of key operating system concepts such as paging and swapping,
inter-process communication, devices and what device drivers do, file system concepts, disk
management/partitioning, auto mounting etc.
 Understanding and working knowledge of authentication and naming services, including NIS, LDAP with
Kerberos, Power Broker, DNS, NTP, etc
 Familiarity with fundamental networking/distributed computing environment concepts, such as NFS, routing,
troubleshooting network related issues.
 Fundamental skills with Volume Manager, File System and Cluster server.
 Ability to write scripts in some administrative language (for example Tk, Perl, ksh, sh, csh)
 Basic understanding of eCommerce and Retail infrastructure with previous job experience a plus.
 Knowledge on RedHat Linux and Oracle Linux.
 Knowledge of SAN and NAS administration and management
 Knowledge of VMWare ESX
 Knowledge of Volume Manager concepts and operations
 Knowledge in the standard ITIL processes
Work Experience – 6+ Years

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