IT Security Engineer
Two Sigma Investments, LLC. - New York, NY

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We are seeking an experienced IT security engineer with a track record of delivering and maintaining highly-available security services. In this role, your responsibilities will encompass a wide variety of security-related areas, technologies, and consulting roles. You will build and maintain security services such as RADIUS, HOTP and TOTP tokens, Kerberos, NAC, entitlements infrastructure, document security, remote access, certificate authority, and key escrow and storage. You will participate in security architecture reviews to evaluate internal and vendor products, and conduct security reviews of existing infrastructure and software. Additionally, you will have opportunities to green-field and own large, high-profile projects, maintaining emphasis on developing automation and self-service tooling for all aspects of security infrastructure.

Candidates will have a strong academic record with a degree in computer science and 5 or more years of lead experience in information technology security. A detailed understanding of cryptography, network security, mobile security, and PKI infrastructure and implementation required, as is familiarity with distributed systems and physical security. Candidates should possess strong scripting and programming skills (Python, Bourne Shell, Perl, Java, C). Experience with systems programming in C or C++ is also preferred. In addition, experience with Kerberos, NTLM, SPNEGO, SSH, PAM, SSL, and RSA server and authentication tokens is crucial.