Renaissance Technologies

Support and maintain organizational IT systems, troubleshoot issues, and assist in system design. | Requires a bachelor's in a technical field, experience with Windows and Linux system administration, networking, and security, with additional skills in scripting and infrastructure services considered a plus. | Responsibilities • among other responsibilities, handle user support and back-up, installation, and maintenance of systems; handle emergencies; troubleshoot problems; evaluate software and hardware; design and implement new systems; and support all peripheral systems associated with computing at the organization • participate in after-hours work and an on-call rotation Skills, Qualifications, and Experience • a bachelor’s degree in a technical field • experience administering Windows environments (AD/NT) • experience administering Linux environments (LDAP) • a thorough understanding of network protocols and fundamentals • experience with endpoint and network hardening and security best practices • 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, NFS, Kerberos, Mail Transport/Delivery Agents) (considered a plus) • knowledge of scripting to automate tasks (considered a plus)