Senior Windows Systems Administrator
Tower Research Capital - New York, NY

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Tower Research Capital LLC, a high-frequency proprietary trading firm founded in 1998, seeks a Senior Windows Systems Administrator to lead our small but rapidly growing Windows Team.

The Senior Windows Systems Administrator will lead the team that designs and maintains Tower’s global Windows infrastructure, consisting of 160 desktops and over 50 servers. Responsibilities include strategically planning for the growth of the infrastructure, maintaining existing systems, and proactively researching and implementing new products as needed.

The ideal candidate will have knowledge spanning all Microsoft products, third-party software, and Open Source software running on Linux, as well as at least four years of experience in architecting and supporting a reliable, scalable Windows network. As our Windows Team is responsible for everything from design to deployment to user support, the Senior Windows Systems Administrator should be comfortable working in all of these areas, which are integral to Tower’s day-to-day operations.

Additionally, candidates should have:
A bachelor's degree in computer science from a top university

At least four years of experience in architecting and supporting a reliable, scalable Windows network

In-depth knowledge of Windows 2008/7 and Active Directory, including Group Policy, Kerberos, and LDAP

Strong scripting knowledge of at least one of the following languages: Perl, Python, or PowerShell

Extensive experience with Exchange 2010 troubleshooting, management, and automation

Experience integrating BlackBerry Enterprise Server and ActiveSync with Exchange 2010

Experience with server/desktop management using Microsoft System Center products

Experience with SharePoint 2010 installation, maintenance, and third-party code integration

Experience with SQL Server, including replication, log shipping, and query optimization

Experience with Linux preferred, particularly with Windows-Linux interaction (Samba, LDAP, and MySQL)

Experience with virtualization hypervisors, including but not limited to Microsoft Hyper-V


Tower’s main office 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

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