Linux/Unix System Administrator
Raytheon - Dulles, VA

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Raytheon has an immediate requirement for a Linux/Unix System Administrator with existing TS/SCI clearance.

Job Description: The Linux/Unix System Administrator is responsible for performing the day-to-day operations and support of the ITC datacenter Red Hat and Sun Solaris environments. This position will perform tier-2 escalation support and must possess experience in the operations and support of computer systems in a multi-server environment, with a focus on system administration of UNIX operating systems.

Primary responsibility will include hands on technical support work related to the overall health and maintenance of the ITC operating system environments (Red Hat/Solaris) in support of 24/7 operations. Additionally, this individual is responsible for supporting operating system changes required for the transition of new applications into the ITC datacenter.

  • Provide initial support of the ITC datacenter server environment (Red Hat / Sun Solaris) with continued support into 24x7 operations

  • Perform remote monitoring of server/system health and status using provided tools (e.g., Dell Open Manage, IT Assistant, What Up Professional)

  • Ability to decompose complex problems to ensure timely and accurate resolution of system anomalies before they impact operations

  • Understanding of server "˜virtualization'

  • Work with ITC engineering and/or entity personnel to identify and troubleshoot operational and performance related issues

  • Participate in rotational pager duty to provide on-call support; including off-hours server administration and problem escalation

  • Plan and execute the installation and configuration of Linux/UNIX server operating environments within the ITC datacenter (Red Hat / Sun Solaris)

  • Provide hands on technical support (Tier-2) related to the overall health and maintenance of the ITC Linux/UNIX operating environments in support of 24/7 operations

    Required Experience:

  • Top Secret clearance with current SCI access

  • Associate's degree (minimum) and 5 years work experience; or 7 years related experience

  • 1+ years relevant experience in Linux/Red Hat administration

  • 2+ years experience in providing operations based support for large-scale system architectures

  • Must have excellent communication and teamwork skills

  • Must have demonstrated Linux/UNIX Administrator's responsibilities to include the following activities:

  • Linux/UNIX systems administration experience in a multi-server environment using Red Hat and/or Sun Solaris

  • Understanding of fundamental networking/distributed computing environment concepts

  • Experience with various networking protocols, TCP/IP, DNS, DHCP, NIS/NIS+, LDAP and NFS

  • Performing user account management, to include add/delete and access control

  • Problem solving and troubleshooting skills; ability to work with personnel from multiple engineering disciplines to troubleshoot complex system-level problems

  • Understanding of virtualization technologies (physical vs. logical servers)

    Desired Experience:

  • Operations experience in the Intelligence Community

  • Red Hat administration experience, specifically Red Hat Release v4

  • Knowledge of networking protocols, TCP/IP, DNS, DHCP, NIS/NIS+, LDAP & NFS

  • Development of scripts (shell/PERL)

  • Storage Administration experience (NetApp, EMC, SUN, SGI)

  • Virtualization experience (specifically VMware) in an operational environment

  • Experience in supporting 24/7 operations

    Additional Requirements:

  • Willingness to work some overtime (including nights, weekends, holidays)

  • Pager duty required to support on-call escalation procedures

    Required Education (including Major):

  • Associate's degree (minimum) and 5 years work experience; or 7 years related experience

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