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Linux / Network Administrator , Chicago, IL Back>>

Chicago IL Jobs, Linux Network Administrator, RedHat Linux, Cisco, Arista, Windows Server, Storage, LAN Protocols, Perl, Python, Shell, Puppet, cfEngine, Financial, Trading, Illinois Recruiters, Information Technology Jobs, IT Jobs, Illinois Recruiting

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Linux/Network Administrator

Summary:

Seeking a Linux/Network Systems Administrator to help develop state-of-the-art, real-time automated trading system.  In addition to possessing excellent analytical and technical skills, the successful candidate will be a creative problem solver, a clear communicator, and a strong team player.

Required Skills:

-Strong interpersonal and communication skills; capable of writing purchase justifications, making presentations to an internal audience, and interacting positively with developers, and management.
-Ability to solve problems quickly and automate processes.
-Must be available on-call during off hours.
-Must be able to work in time sensitive production environments.
-Must be able to work independently.
-Familiarity with NFS, SAN, iSCSI and other network based storage solutions.
-A strong understanding of a UNIX-based operating system; understands paging and swapping, inter-process communication, devices and what device drivers do, filesystem concepts (inode, clustering, logical partitions).
-Familiarity with fundamental networking/distributed computing environment concepts; can configure NIS, NT domains; Centralized authentication using NIS, LDAP, etc.
-Comfortable maintaining a local yum repository, building custom RPM’s and deployment.
-Experience installing, upgrading, backing up databases such as PostgreSQL and MySQL.
-Experience with automated machine builds/installs.
-Ability to write scripts in some administrative language (Perl, Python, shell).
-Experience with networking equipment, architectures, protocols and troubleshooting tools (i.e. ping, dig, tcpdump, wireshark).
-Expertise in LAN protocols such as BGP, HSRP, EIGRP, Spanning Tree Protocol, and VLAN trunking.
-Hands-on experience with WAN network topologies and hardware (Private Line, Frame Relay, DSL).

Required Background:

-A minimum of 5 years of System Administration experience; RedHat Linux, or similar distribution, is required.
-A minimum of 3 years of Network Administration experience; Cisco and/or Arista is required.

Desirable Background & Skills:

-A degree in computer science or a related field.
-Programming background in any applicable language.
-Experience with the following applications, or tools:  Symantec BackupExec, Hadoop, OpenNMS, cfEngine.
-Knowledge of Financial Markets.
-Experience with kernel performance tuning and concepts.  The ideal candidate would be able to configure, and troubleshoot network performance at a system, and LAN level.
-Experience with configuration management tools such as puppet or cfEngine.
-Familiarity with Windows Server, including Active Directory and SSSD/LDAP.
-Experience with virtualization technology and VmWare.
-Experience using SCCS; git or cvs preferred.

Responsibilities:

-Work collaboratively to provide technical assistance, and coverage to a small, complex site & wide area network.
-Occasional travel and weekend work may be required.
-Work under general direction from development, and IT team members.
-Establish/recommend policies on system use and services.
-Set up, configure and support Linux/Windows servers and Desktops.
-Configure and troubleshoot Web, SQL and Application servers.
-Perform troubleshooting of network problems utilizing network analyzers and/or sniffers and other troubleshooting tools.  Test and evaluate various equipment, systems, IOS’s and procedures for use within the network.
-Assist in configuring and implementing network monitoring and management systems.
-Assist in implementing and monitoring network security.
-Evaluate new network software and hardware that will enhance the network environment.
-Analyze production or development problems to determine whether they are caused by network software malfunctions and make corrections as needed.






 

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