Commerzbank Capital Markets Corporation (CCMC)
New York, NY
CCMC is a wholly owned registered broker-dealer of Commerzbank AG,
trading, selling and structuring bonds and equities.
- Automated network connectivity fail-over using a combination of dynamic
routing and layer 2 redundancy techniques, completely replacing manual
fail-over procedures.
- Established centralized logging, log monitoring and reporting, and
availability, bandwidth and service level monitoring for all network
infrastructure.
- Implemented a centrally managed authentication service using replicated
RSA SecurID and RADIUS servers.
- Migrated to a unified 3-layer Internet firewall that supports transparent
use of multiple incoming and outgoing access paths for added capacity and
fail-over.
- Redesigned market data connectivity to address several problems:
- Improved CPU utilization over 70% by reconfiguring IOS features.
- Implemented a packet-filtering firewall for added security.
- Designed transparent multi-site fail-over.
- Enhanced Disaster Recovery environment to provide constant service to
support use as a Business Continuity Center that can also augment normal
production capacity.
- Established a web-based document authoring system encouraging regular
documentation updates. The system was also adopted by technical groups at
other Commerzbank offices.
- Provided technical review for overall architecture and especially for
network connectivity and security issues for both internal and
vendor-proposed applications.
- Managed and handled day-to-day operational activities for network and data
center infrastructure (problem resolution, capacity management, planning,
vendor relations).
Blink.com, Inc.
New York, NY
Blink created a smarter Internet through its interactive community where
members could access and share their bookmarks from any wired or wireless
Internet-enabled device.
- Migrated to a global VPN structure that provides secure and resilient
connectivity.
- Implemented a transparent fail-over scheme for Internet connectivity,
first at application level and later also at transport level using
dynamic routing.
- Established network traffic and route monitoring.
- Reconfigured e-mail delivery to utilize multiple redundant systems for
high availability.
- Implemented a fully automated custom installation of Red Hat Linux.
- Migrated the office workstations to a uniform Windows 2000 environment.
- Developed documented routines for maintaining the computing environments.
Juno Online Services, Inc.
D. E. Shaw & Co., L.P.
New York, NY
Juno was a leading provider of Internet online services in the United
States. It was the largest technology venture investment to date by the
D. E. Shaw group.
- Designed and implemented a multiple autonomous system network that
provides a high level of redundancy, extended control of traffic flows
and complete support for VLSM.
- Developed a configuration library for Cisco IOS to unify router
configurations.
- Managed the Systems department supporting the office and development
environments.
- Designed the beta test system and expanded it into a scalable production
environment.
- Configured LANs, leased lines, CSU/DSU hardware and channel banks.
- Provided primary support for standards conformance of proprietary e-mail
software.
- Drafted and implemented security measures and policies.
- Developed telecommuting solutions (secure access via ISPs, analog and
ISDN dialup).
- Evaluated VoIP solutions for replacing a traditional PBX/Voicemail
system.
- Provided second-level support and participated in UNIX system
maintenance.
D. E. Shaw & Co., L.P., is a global securities and investment firm
whose activities center on various aspects of the intersection between
technology and finance.
- Maintained and expanded local and wide area networks.
- Designed global dynamic routing policy with automatic connectivity
fail-over.
- Designed and installed several remote stand-alone and office systems.
- Developed and supported telecommuting solutions over analog lines and
ISDN.
- Evaluated and enhanced open source software to provide desired
functionality.
- Wrote tools for UNIX system maintenance and support tasks.
- Provided primary support for electronic mail and Usenet News.
- Provided system support for trading application environments.
Lappeenranta University of Technology,
Computing Centre
Lappeenranta, Finland
- Designed and coordinated the integration of various UNIX platforms to
a uniform system extensively using services on the local area network.
- Planned the use of applications in a networked multi-vendor environment.
- Installed and managed HP-UX systems (HP9000 Series 800, 700 and 300).
- Ported open source software for UNIX systems.
- Supported users on UNIX, VMS, ConvexOS, Apollo DomainOS and MPE.