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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