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Sr. Engineer – Linux

Tower Research Capital | New York, NY

Job Summary

High-frequency proprietary trading firm. Responsible for debugging dropped packets, troubleshooting kernel panics and system hangs, analyzing performance issues. Technical degree from an accredited university. 5+ years of experience in Red Hat Linux administration in a financial services, internet service provider, or telecommunications environment.

Details

Tower Research Capital LLC, a high-frequency proprietary trading firm founded in 1998, seeks a skilled Senior Linux Engineer to join our Systems team. The Senior Linux Engineer will help oversee the maintenance of over 4,000 servers in 60 locations worldwide while supporting more than 500 users globally.

Tower has over 150 high-capacity, low-latency, direct private lines between our sites, and we use the latest high-performance servers, network switches, and network cards.

Responsibilities

  • Debugging dropped packets, whether at the network, NIC, OS, or application layers.
  • Troubleshooting kernel panics and system hangs.
  • Analyzing performance issues.
  • Fine-tuning processes to run with the least jitter.
  • Directing support for our continuously active servers, lines, and low-latency network.
  • Installing, configuring, and deploying fully-distributed Red Hat Linux systems.
  • Taking a role in researching, testing, recommending, implementing, and maintaining cutting- edge, ultra low-latency systems and network technologies.
  • Participating in an on-call rotation.

Qualifications

If you have not used the following commands, please do not apply: vmstat, top, uname, ps, emacs/vi, svn, git, make, rpm, ping, tcpdump, wireshark, nfsstat, traceroute.

  • A technical degree from an accredited university.
  • At least 5 years of experience in Red Hat Linux administration in a financial services, internet service provider, or telecommunications environment.
  • Experience in Linux Kernel tuning, configuration management with cfengine, Linux network performance management/troubleshooting, hardware testing/integration and IT security.
  • Experience maintaining Cisco, Windows, and PC hardware.
  • Fluency in at least one scripting/coding language.
  • Hands-on knowledge of SSH, iptables administration, NFS, DNS, DHCP, and LDAP.
  • Experience with Open Source applications to build enterprise-level systems (i.e., Nagios, SmokePing, MRTG, etc.).
  • Proven troubleshooting experience.
  • Expertise in maintaining Cisco ports/VLANs/dot1.x settings in any office environment.
  • Ability to read and interpret English-language technical documents.

Candidates should also be:

  • Organized, responsible, and meticulous.
  • A strong communicator.
  • Proactive and willing to take initiative.
  • Able to manage and prioritize multiple tasks in a fast-paced environment.
  • Able to work both with a team and independently.

Benefits

Tower’s offices and garden roofdeck are located in TriBeCa, a neighborhood in downtown Manhattan. While we work hard, Tower’s cubicle-free workplace, jeans-clad workforce, and well-stocked kitchens reflect the premium the firm places on quality of life. Benefits include:

  • Competitive salary.
  • Signing and performance-based bonuses.
  • 401(k) with company matching.
  • Five weeks of paid vacation per year plus nine paid holidays.
  • Free breakfast, lunch, and snacks on a daily basis.
  • Free gym membership.
  • Free tickets to New York events, including the US Open and TriBeCa Film Festival.

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  • Job Reference #: 56484
  • Min Education: BA/BS
  • Min Experience: 5 years

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