UNIX Systems Administrator Opportunity

[Barb S.]

Optiver is a worldwide market maker and derivatives trading firm with offices strategically located in Chicago, Amsterdam and Sydney. Attracting very ambitious, talented and results-oriented individuals to become members of a highly selective trading and support group is a primary contributor to our growth and success. Optiver takes pride in offering their employees a challenging career and a work environment that is truly unique, with energy focused on fostering a culture of innovation and excellence. Optiver US, LLC is registered with the SEC as a broker-dealer and participates in trading on various US securities and commodities exchanges.

Position Title:
UNIX Engineer
Location:
Chicago
Department:
IT Operations
Reports to:
UNIX Team Leader


Responsibilities

· Handle the day to day administration of the Linux infrastructure including: system monitoring, administration, upgrades, and disaster recovery

· Maintain a development environment comprised of Linux and Solaris servers

· Determination of hardware requirements, installation and verification

· Maintain and monitor internal web servers

· Monitor inter-office connectivity to minimize system failures and down time

· Provide feedback and reporting to trading teams

· Performance measuring

Qualifications

· 5+ years of experience in a Linux System administration

· Preferred experience with Red Hat Linux. In-depth knowledge of Logical Volumes, RAID, ext2 and ext3 filesystems, tcpdump, NFS, syslog, and strace

· Experienced in systems programming (Perl and Ruby preferred) and Shell scripting (bash/ksh)

· An understanding of OO language methodologies is preferred

· Possess a working knowledge of the UNIX/Linux security environment: useradd, file permissions and ACLs, SSH, Kerberos, tcpwrappers and network protocols

· Familiarity with DNS/LDAP and/or NIS

· Solid understanding of TCP/IP and UDP

· Systems monitoring; preferred experience with HP Open View

· Knowledge of backup systems

· A working knowledge of system configuration tools: eg, Kickstart, Puppet

· Familiarity with rpm and patching

· Strong communication and documentation skills

· Knowledgeable in Windows and Microsoft Office. Familiarity with ticketing and project tracking tools

· Ability to work in a fast-paced, hands-on, market driven environment

· Strong work ethic with the ability to prioritize multiple tasks with a customer driven focus

· An interest in sharing knowledge and mentoring younger members of the team

· Ability to work evenings and/or weekends (25%)

· Ability to lift 50lbs

EOE