Education
Columbia Engineering
Master’s Degree, Computer Science 1985-01-01 - 1987-01-01Columbia Engineering
Bachelor’s Degree, Computer Science 1980-01-01 - 1985-01-01St. Francis Prep
High School, 1976-01-01 - 1980-01-01Work Experience
Citadel
Current
Citadel
Morgan Stanley
2018-02-01 - 2020-08-01
Morgan Stanley
Samsung Electronics
2017-11-01 - 2017-12-01
Samsung Electronics
MachineZone
2016-07-01 - 2017-09-01
MachineZone
BlueMatrix
1999-10-01 - 2016-01-01
BlueMatrix
NYSE
1998-11-01 - 2014-09-01
NYSE
Aspen Computer, Inc.
1997-06-01 - 1998-11-01
Aspen Computer, Inc.
New York Life Insurance Company
1994-10-01 - 1997-03-01
New York Life Insurance Company
Citi
1994-08-01 - 1994-10-01
Citi
Value Health, Inc.
1994-03-01 - 1994-06-01
Value Health, Inc.
Skills
Summary
LEADER AND MENTOR • Financial technology authority advising key management and team members while leading the design and implementation of optimized solutions that improve security and performance, decrease risk, and save money. • Lead System Architect, Systems Engineer, Software Developer, and Security Expert for heterogeneous large-scale server, identity management, DB, and network infrastructure. • Expert in securing mission critical systems in the financial industry; Linux, UNIX, networking, containerization, availability, and optimizing for high frequency / low latency trading. • Build plans and consensus among management, development, and infrastructure leaders. • Automate provisioning and system administration to increase consistency and reduce errors. • Plan and implement infrastructure using QA / reliability engineering methodologies to reduce risk. • Perform root cause analysis. Recommend and implement fixes that prevent reoccurrence. TECHNICAL SKILLS Linux, RHEL / CentOS, Ubuntu, Solaris, FreeBSD, OpenBSD, Windows Server, Docker containers, Kubernetes, VMware ESXi, Agile, JIRA, SDLC process, Confluence, Python, Perl, C, C++, AWK, bash shell scripting, regular expressions, IP sockets programming, GIT, FreeIPA, Red Hat IDM, Active Directory - Linux integration, SSO, MIT Kerberos, cross-realm Trust, GSSAPI, AAA, 2FA, LDAP, PAM, Apache, HTTP, Tomcat, Nginx, MySQL, Web-based authentication, SPNEGO, SASL, Puppet, Ansible, layer 5 and layer 7 proxies, Tcl/Tk, Kernel tuning, TCP/IP networks, switches, routers, VLANs, ACLs, ipsec VPNs, TLS, SSL certificates, PKI, NSS, OpenSSH, OpenSSL, cryptography algorithms, SFTP, SeLinux, tcpdump, Wireshark, PCAP, DNS, bind, NTP, LVM, NFS, NAS servers, autofs / automount, GlusterFS, ZFS, RAID, Samba, SMTP, Postfix, DHCP, PXE and kickstart, automated provisioning, Puppet with Foreman, X/Windows, Firewall rule sets: IPtables, PF, Linux Kernel tuning and performance optimization for low latency / high frequency trading platforms.