Senior Systems Administrator

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Trading firm seeks to add a Senior Linux Administrator to an existing IT team to assist, monitor and progressively improve the existing infrastructure of a professional trading environment.

The ideal candidate is likely to have worked within the financial industry with a robust background in Linux design, implementation and support. This position interacts with all IT functional areas (e.g. architecture, design, network engineering, Helpdesk/Desktop support, application development and support). The candidate will be working in a dynamic, heterogeneous environment and must have an extensive technical background including experience in troubleshooting, monitoring, maintenance and networking. The successful candidate must be highly self-motivated, excel at multitasking, and comfortable working in a demanding, state of the art trading environment.

Responsibilities:
-Assist in designing, implementing and supporting a 24/7 Linux/Windows trading environment.
-Linux deployment, administration, performance tuning, monitoring, and account management.
-Linux and Windows Active Directory authentication integration.
-Disaster Recovery management and testing.
-Assist in hardware/software purchases.
-Train new employees/existing staff as directed.
-Troubleshoot advanced TCP/IP and multicast issues.
-Process, monitor and prioritize trouble tickets.
-Automate any and all tasks that can be automated.
-Datacenter management.
-On-call rotation as needed.
-Support other key initiatives as the business dictates.

Qualifications:
-B.S. C.S./MIS degree.
-5+ years of Linux (CentOS, Debian and/or Redhat) architecture, deployment, administration, networking, performance monitoring/tuning, security hardening, troubleshooting and production operations.
-Experience administrating Microsoft Windows servers (2003, 2008) a plus.
-In-depth knowledge of real-time operating system concepts and implementations.
-Strong knowledge of SMTP, DHCP, DNS, NIS, LDAP, CIFS, NFS, Postfix, BIND, SNMP and Linux system security.
-Experience with packet sniffing applications (snort, wireshark, netmon, etc.).
-Linux and AD authentication integration (winbind, Kerberos, LDAP, SFU).
-Strong system configuration experience (Altiris, Puppet or CFEngine).
-Strong knowledge of Kickstart procedures.
-Fluent in Perl and Shell Scripting, with experience implementing automation and monitoring using shell scripting and other related tools.
-Programming experience in VB, VBA, .Net, C# and/or Access give candidate an edge.
-System monitoring experience (SNMP, Nagios, Cacti, HP OpenView, Dell Open Manage, etc.).
-Strong Linux/Unix networking knowledge required (knowledge of Cisco and IOS a plus).
-Backup experience. Veritas Netbackup preferred.
-VmWare Infrastructure experience.
-Experience with Source code control systems, and bug tracking systems like JIRA.
-Ability to manage build environment, including familiarity with source control and standard build tools (make, ant).
-Must be able to lift 50 lbs.

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