Renaissance Technologies · Hedge fund · East Setauket · Mid-level · Posted 2026-07-03
Apply now →Applications go to Renaissance Technologies's own site.
Responsibilities
among other responsibilities, deploy, support, and troubleshoot the network infrastructure; document the IT infrastructure, policies, and procedures; and perform general user support
participate in after-hours work and an on-call rotation
Skills, Qualifications, and Experience
a bachelor's degree in a technical field
a minimum of two years' experience deploying and supporting scalable routed and switched networks
hands-on experience with enterprise-class routers, switches, and firewalls, including Cisco and non-Cisco equipment
a good understanding of network and routing protocols (TCP/IP, DNS, DHCP, OSPF, and BGP)
excellent troubleshooting and creative problem-solving abilities, including packet-level traffic analysis
excellent written and oral communication and interpersonal skills
experience with systems administration in a Linux/Windows enterprise environment (considered a plus)
experience deploying and supporting open source and proprietary infrastructure services (DNS, DHCP, LDAP, RADIUS, Kerberos) (considered a plus)
experience implementing, operating, and supporting open source tools for network and security monitoring and management on Linux/Unix platforms (considered a plus)
knowledge of scripting to automate tasks (considered a plus)