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Job Title : Linux System Administrator Work Location : Irving,TX Duration : Full-time Relevant Experience (Yrs) : 10 + years of experience in Linux Administration , Red Hat and VERITAS Cluster experience Experience Required: Must have: Should have experience in performing L3 (level 3) - Subject Matter Expertise in UNIX - Primary Linux, Secondary AIX Must have current strong experience with Red Hat and VERITAS Cluster Suite and system Automation Strong scripting knowledge: Perl scripting, shell scripting and command line utilities Must attain and keep current appropriate industry certifications (Red hat Certified Engineer or Red hat Certified Systems Administrator). Redhat - 5.x, 6.x (5-7 years) Builds, package installs, performance tuning, root cause analysis, ldap/kdc config Native LVM for RHEL and AIX (5-7 years) Clustering solutions Veritas Cluster VCS(3-5 years) Oracle Rac Builds (1-2 years) Unix Security Framework knowledge (PAM, KDC/LDAP, SSH key management, etc) Networking protocols (NFS, SSH, SFTP, HTTP) Performance tuning (kernel parameters, network parameters) HP Blade Chassis, ILO (2-5 years) VMware containers (2-5 years) SAN and NAS client (5-7 years) Formal training in programming (4 years) Shell programming(ksh,perl) (2-5 years) CFengine,Chef,Puppet(1-3 years) Experience as an IT Linux server administrator and hands on support of Postfix Strong working knowledge of MySQL Strong working knowledge/support of Unix based system Strong working knowledge of virtualization technologies and VMware products Strong knowledge of DNS and network tools (ping, traceroute, etc.) Experience with supporting enterprise applications such as Oracle Financials and Oracle databases running onLinux Must be able to troubleshoot complex issues quickly and effectively Deep understanding of basic TCP/IP and internet protocols required Knowledge of NIS, LDAP, NFS, SMTP, IMAP, and X11R7 is required Knowledge of SAN/NAS management is a plus Ability to clearly communicate business and technical concepts in writing or orally Roles & Responsibilities: Server Administration - Hardware, OS, SAN allocations, Network, and Scripting Software Installations - OS Package/patch installations, client software installation Monitoring - Tivoli alerts, system and network-level performance monitoring, performance tuning, backups, and capacity planning Project representation - Represent the team on assigned projects, planning and implementation Processes - Global standards, compliance, security, change management, asset management Server Migrations - Database, Application, Web server migrations between Datacenters Server and Process Automation Schedules installations and upgrades and maintains them in accordance with established IT policies and procedures. Monitors and tunes the system to achieve optimum performance levels

Performs software installations and upgrades to operating systems and layered software packages Schedules installations and upgrades and maintains them in accordance with established IT policies and procedures Monitors and tunes the system to achieve optimum performance levels Maintains data files and control procedures for complex systems of networked computers or a single group of microcomputers linked to a host workstation Ensures long-term requirements of systems operations and administration are included in the overall information systems planning of the organization Responsible for the installation, maintenance, configuration, and integrity of computer software Implements operating system enhancements that will improve the reliability and performance of the system Responsible for system security and data integrity that involves general troubleshooting and communication with end users Monitors network traffic and makes necessary recommendations for additional resources or hardware May maintain project schedules Generic Managerial Skills: Self-starter required. Strong customer and quality-focus is a must. Sound problem resolution, judgment, and decision-making skills required.

Excellent organizational, interpersonal, and project management skills. Excellent communication skills both written and oral. Ability to focus on multiple simultaneous problems under tight deadlines.

Candidate with Spanish knowledge is advantage. Education : Bachelors degree