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Unix System Administrator Jobs

Collierville, Tennessee
<p>SUMMARY: Performs installation, configuration and maintenance of theUNIX(Linux) operating systems and related software products in a manner consistent with our existing service level agreements. Responsible for maintaining the integrity and security of enterprise'sUNIX(Linux) servers and systems which support the various operating units of the enterprise. Ensures performance monitoring and tuning of overall systems. Is expected to conduct system analysis and development, with limited support and direction from professional staff, to keep our systems current with changing technologies. Must primarily perform work requiring advanced learning or work that is original and creative. Also, must consistently exercise independent choice and judgment or perform work requiring invention, imagination or talent in a recognized field of artistic endeavor 50% or more of the time.ESSENTIAL DUTIES AND RESPONSIBILITIES include the following:Works with the application teams and other IT department personnel to coordinate system software changes and support application changes.Understands the critical processing cycles in detail such as accounting month-end, invoicing and billing, and any other relevant processing cycles.Maintains DNS, NFS, DHCP, printing, mail, web, and FTP services for the enterprise.Responsible for maintaining the integrity and security of the enterpriseUNIX(Linux) servers and systems.Analyzes production and test system problems, determines causes, and takes timely corrective actions.Oversees the administration of theUNIX(Linux) operating system. Recommends systems and programming standards and procedures including writing shell scripts or programs to automate and/or simplify theUNIXadministration procedures.Recommends and implements security policies and standards and ensures adherence to procedures.Keeps accurate records ofUNIXAIX (Linux) system failures and changes.ManagesUNIXaccount maintenance including additions, changes, and removals.Research and recommends updates to software and hardware ofUNIX(Linux) systems including upgrades to operation system and communicates to IT Management Group.Performs tape storage management and administration using Tivoli Storage Manager.Conducts preliminary studies for new projects related to machine utilization, capacity planning, and network topology.Establishes and maintains contact with key vendors for maintenance and services.Monitors system performance and develops recommendations for correction or improvement. Implements changes as appropriate with proper approval.Recognizes, identifies, and documents potential areas where existing policies and procedures require change, or where new ones need to be developed, especially regarding future business expansion.Maintains a disaster recovery plan. Creates backup capabilities adequate for the recovery of data and understands concepts and processes of replication for disaster recovery.Other work-related duties as assigned by supervisor/manager.Reliable and regular attendance is expected.EDUCATION and/or EXPERIENCE:Bachelor's degree in an IT related field from an accredited four-year college or university and five years' experience in a large-scale systems environment with at least four yearsUNIX(AIX, Linux, or Solaris) systems administration and two years in PC networking. Requires thorough systems knowledge and experience relative to systems administration.SKILLS & ABILITIES:Working knowledge of Windows 7 or higher, Microsoft Office 2013 or higher, Symantec anti-virus, and Ethernet.Knowledge of TCP/IP, FTP, DNS, NIS, and Point to Point Protocol (PPP).Knowledge of LPARs.Good communication skills.Good problem solving skills.Ability to work both independently and as a team member.Good customer service skills.Ability to set priorities and work on multiple tasks.Experience with Oracle database and/or applications a plus.Must Have:1. Bachelor's degree in an IT related field?2. 5+ years' experience in a large-scale systems environment with at least 4 yearsUNIX(AIX, Linux, or Solaris) systems administration and two years in PC networking?3. Working knowledge of Windows 7 or higher, Microsoft Office 2013 or higher, Symantec anti-virus, and Ethernet?4. Knowledge of TCP/IP, FTP, DNS, NIS, and Point to Point Protocol (PPP)?5. Knowledge of LPARs?</p>
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