A leading provider of online trading and risk management solutions for the financial services industry is seeking a talented Senior Linux System Administrator with the ability to learn new technologies quickly and take on additional responsibilities.  Networking skills are strongly desirable. We are looking for someone to join our team of highly technical and motivated people who are responsible for all infrastructures in our five worldwide offices and three data centers.  The person who fills this position will be expected to have the ability to take on primary responsibility for one or more areas of expertise over time.  As with all members of our team this individual will be required to work with many different technologies, both those currently in use and new technologies that will be deployed.

General Skills

• Linux and Network troubleshooting ability
• Networking experience strongly preferred
• VMWare experience 
• Self-starter/independent, but able to work well in a team
• Strong problem solving abilities are beneficial
• Able to handle a diverse range of tasks in a busy and challenging environment including a 24 hour international trading floor, DR site, multiple development and testing environments and satellite offices
• Bash/Shell, Perl, Python scripting expertise preferred

Networking

• Cisco IOS (Nexus switching, routers)
• Cisco UCS experience a plus
• Firewall administration (particularly Checkpoint) a plus
• Able to interface with other teams and clients to resolve networking problems

Monitoring

• Zenoss, Icinga,  OMD, Adagios or equivalent experience
• Experience with and ability to carry out on call duties as part of a rotation for weekend and off hours support

Operating Systems

• Linux (RedHat Enterprise 4/6 or Centos a plus)
• Windows Desktop support
• Windows 2008R2/Windows2012/Active Directory
• DFS, Hyper-V experience a plus

Storage

• EMC ExtremeIO, VNX, Isilon   
• Brocades SAN fabrics
• General SAN/NAS experience