Optiver

LINUX/UNIX Systems Administrator

 

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 US, LLC is registered with the SEC as a broker-dealer and participates in trading on various US securities and commodities exchanges.

Being at the forefront of trading across global markets requires the fastest, most reliable applications. It is a combination of our cutting-edge technology and people who develop it that contributes so greatly to our success.  We have invested heavily in IT, developing sophisticated in-house trading models and applications that take advantage of arbitrage opportunities. The working environment at Optiver is truly unique; casual dress and low on bureaucracy, with energy focused on fostering a culture of innovation and excellence. 

 

Position Title:

LINUX/UNIX Systems Engineer

Location:

Chicago

Department:

IT Operations

Reports to:

UNIX Team Leader

 

Responsibilities

·         Handle the day to day administration of the Linux trading infrastructure including: system monitoring, administration, installation and 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 application servers

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

·         Provide feedback and reporting to trading teams

·         Performance measuring

 

  

Qualifications

·         8+ years of experience in a Linux System administration

·         Optiver uses Red Hat Linux, but we will consider the requisite experience level on any UNIX platform. In-depth knowledge of LINUX or UNIX file systems, system and networking commands, and LINUX/UNIX system tools is required.

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

·         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 experience with any tool, Nagios preferred

·         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, adaptable, with a customer driven focus

·         Self-starter with the ability to prioritize tasks and carry out projects to completion

·         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