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Provide Unix System Administration, support and management for large scale enterprise Midtier environment. Installs, configures, customizes, maintains and supports enterprise midtier environment operating systems software and hardware. Establishes, maintains and documents standards, procedures and documents configurations. Conducts routine hardware and software servers audits. Maintains production change control schedule and participates in change controls. Implements operating system enhancements to improve the reliability and performance of the system. Troubleshoots issues and provide resolutions. Performs complex systems task. Debugs complex system / application / user issues. Dissects complex issues, repairs and directs unsolved issues to be resolved. Advises users on system usage. Configures and supports enterprise midtier environment on capabilities, and relative performance differences between processors. Help evaluate vendor proposals for purchases. Supports 24x7 on call rotation and Disaster Recovery for enterprise midtier environment. Coordinates, schedules and installs Operating System (OS). Monitors and maintains continuity with systems software licensing and maintenance agreements. Provides hardware and software recommendations for planning and budgeting. Ensures long term requirements of systems operations and administration including overall information systems planning. Responsibilities include Unix OS: Red Hat Linux, AIX, some Solaris. The environment includes associated software infrastructure for these systems, including network software, volume managers, file systems, backup utilities, monitoring and performance measurement utilities and various middleware components. Duties include making new environments production ready, resolving production problems, developing standard operating procedures, and providing technical support for contractors and in house development staff. This position rotates on call responsibility with other staff members and provides second level support for the help desk. Develop, maintain and support Disaster recovery plans, scripts and vital records so that they are accurate to current production.

Additional Job Details:
Familiar with Unix shell scripting, Oracle RAC, VMware virtualization, NIS, NFS, Netapp, EMC storage, Client commodity hardware. Competencies: action oriented, customer focus, problem solving and learning on the fly. Prefer BS degree or equivalent work experience in large scale midtier environment in System Administration Unix, Computer operations, programming or related field in midtier OS, enterprise virtualization or monitoring environment. Knowledge of midtier hardware: AIX, Client commodity, Sun Sparc and blade technology. Ability to support and maintain 2 flavors of OS (RedHat Linux, AIX preferred or Solaris). Ability to perform complex system task without assistance. Ability to debug system / application or user issues. Ability to coordinate, schedule and install OS. Ability to build and apply system patches. Preferred certification RHCSA or RHCE. Knowledge of independent software vendor products, system networking, EMC storage and Oracle RAC database, DASD and SAN, monitoring product skills, Microsoft office skills, DNS, LDAP, NIS, NIM, NFS, SSH, RAID.