(516) 939-9470
E-mail:
adam@firester.com
Objective: To obtain a challenging leadership
position in the area of systems architecture with the opportunity to create and
explore unique technical solutions to satisfy company needs.
Computer Skills:
Hardware: Intel x86, AMD
Opteron, Sun SuperSPARC, Sun UltraSPARC I/II/III, Sun AX000/DX000, EMC
Symmetrix/Clariion, MTI, Netapp
Operating
Systems: Solaris, SunOS, FreeBSD,
Linux, Irix, Windows 9x/NT/2000/XP, Cisco IOS
Protocols: TCP/IP, SMTP,
POP/IMAP, DNS, NFS, SMB, NNTP, FTP, HTTP, NTP, TELNET, SSH, LDAP
Languages: C/C++, Perl, PHP, Visual
Basic, HTML, Javascript, UNIX shell environments
Applications: Solstice DiskSuite, Veritas
Volume Manager/File System, Veritas Cluster Server, EMC Navisphere, Checkpoint
Firewall-1, Apache, Tomcat, Squid, iPlanet, Vignette StoryServer, Netgravity,
HP OpenView, Netcool, F5 and Foundry Load Balancing Products, Oracle8.x,
Thunderstone, Rational ClearCase, VMWare GSX Server, and additional open source
products.
Work Experience:
Yahoo!
HotJobs 2/02
- Present
Lead
Systems Engineer 2/02
– Present
Architecture and staged implementation of Yahoo's
first disaster recovery site for HotJobs in the West Coast datacenter facility,
which required adaptation of the HotJobs platform and technology to the Yahoo
network architecture, as well as formulation of methods for data replication
across the company's inter-colo VPN.
Coordinated a successful site failover of the HotJobs
site from the East Coast to West Coast datacenter location.
Planned and oversaw the relocation of the original
HotJobs infrastructure from the existing NYC location to Yahoo’s
Capacity planning of various site components with a
subsequent reallocation of hardware resources to better meet performance
requirements and hardware redundancy.
Led project team to replace technology for the HotJobs
Candidate Search product with search engine technology obtained through an
acquisition. Our team was the company
vanguard in use of this technology. Worked closely with the search team located
in
Operations lead for a high-profile project to
rearchitect the HotJobs recruiter product.
This required project management of team members across 3 global
locations as well as close coordination with the project’s other functional
teams.
Determination of architectural requirements for an
ASP-style customer solution based on projected traffic and growth metrics.
Tuning of Solaris kernel drivers to increase
performance and enhance security.
Introduction of automated build and rapid deployment
methods for Solaris and Linux server platforms to offer specific appliance
hosts using Jumpstart and Kickstart, native packaging methods, and post-install
scripts. This method was later adapted
to account for location-specific configurations.
Rebuilt HotJobs Solaris platform from a heterogeneous
mix of versions 2.6, 7, and 8 hosts to a homogeneous Solaris 8 platform in
order to accomplish consistent behavior across server farms as well as the reduction
of administrative overhead.
Configuration and management of Oracle datastores
comprised of clustered Sun EX500 hosts running VCS and direct-attached to EMC
Clariion FC4500 storage, which included a major overhaul of the OS and HBA drivers
in order to upgrade from Solaris 8 and Navisphere ATF to Solaris 9 and Veritas
DMP.
Systems support to DBA team for project to upgrade
Oracle 8.1.7 to 10g RAC standalone.
Architecture of HA hardware platform for 10g RAC
installation consisting of AMD Opteron systems running RHEL4 and Netapp FAS980
storage.
Configuration and deployment of MTI SAN storage for
backend Oracle datastores of the SoftShoe platform, a hosted enterprise customer
solution.
Rollout of performance monitoring solution to gather
metrics from production hosts and display them via the web as graphs over time.
Rebuilt development and QA environments using VMWare
GSX server and FreeBSD jails to consolidate hardware and enforce a new scheme
for resource deployment.
Introduction of many standards and policies which
resulted in a more consistent change management and code deployment process,
greatly reducing risk of human error.
Enforcement of server naming conventions to eliminate
administrative confusion and error.
Architecture and execution of a serial console
solution for all hosts using
Providing systems support and architectural guidance
to Software Development and QA teams of the HotJobs business unit for major
product launches.
Interfacing and collaborating with staff of other Yahoo
divisions on issues concerning use of proprietary software for the HotJobs
site.
Interviewing and training of new Operations team
members as HotJobs established a presence in the
Authoring of management scripts for Yahoo proprietary
applications using shell and Perl.
Providing 1st, 2nd, and 3rd
level on-call support for production site issues.
Sr. Director, Systems and Operations 11/00
- 12/01
Building and management of team responsible for
configuration, deployment, and maintenance of all systems for the company,
including corporate desktop and mobile workstations as well as all platforms
relevant to production work cycles.
Setting of all policies and procedures with regards to
how the team functions as well as how other teams interact with it.
Development of approved annual budget for team.
Working with VP of Finance to negotiate leasing terms
with vendors for systems hardware.
Rebuild/expansion of existing development environment
to enforce standardization and support software development team.
Development of systems architectural plans for
ASP-modeled service based on requirements of company-developed software.
Rapid deployment (2 ˝ weeks) of a multi-tiered, HA
production platform consisting of 40 Sparc Solaris and Intel Linux hosts.
Liaison to other teams of the company.
Management of vendor relationships for the company.
Director of Systems 8/99
- 10/00
Management of 24x7 operations for configuration,
deployment and maintenance of 300+ hosts, including Sun U2-E6500s running
Solaris and Intel hosts running FreeBSD and NT.
Setting of standards and security policies for
servers, as well as sysadmin practices of team.
Creation of all operational procedures for the team.
Overseeing of all major architectural changes,
including the upgrade of entire Solaris farm from 2.6 to 7, rearchitecture of
adserving cluster for peak performance, and consolidation of the core webserver
cluster from 20 hosts to 5 for greater ease of administration and reduction of
operating cost.
Implementation of development and QA environments for
all host clusters to enforce better development cycle procedures, with an
accompanying reduction of errors in production.
Responsible for completion of project to migrate
E-mail of 2.3 million users from an outsourced vendor to an in-house solution
using Sun and EMC hardware and software from Software.com.
Responsible for leading the team through 2 major site
relaunch events.
Coordination of all major projects.
Management of all vendor relationships for the
department.
Senior Systems Administrator 11/98
- 8/99
Administration of all Unix hosts.
Configuration and administration of T1 link between
datacenter and office.
Responsible for purchase of all hardware and software
for new products as well as server expansion.
Wrote system in Perl to monitor critical services of
server farm.
Implementation of customized Jumpstart host and
Solaris packages for fast-paced server deployment.
Solely responsible for development of server platform
for Periscopio, Inc, which laid the groundwork for standardization of all
StarMedia hosts. Later led team of
sysadmins.
Globix Corporation 8/97
- 10/98
Manager,
Systems 1/98
- 10/98
Management of all staff involved in maintenance and
upgrades of onsite networked systems, as well as customer technical support of
the company's internet services.
Coordination of project work and daily routines of
staff.
Extensive involvement in the development and
modification of internet services and policies.
Systems and Networking Administrator 8/97
- 1/98
Administration of internal and collocated Solaris,
Irix and Linux servers, including hardware configuration, installation of
operating system, data backup solutions.
Setup and administration of dialup, ISDN, and shell
accounts for all customers and staff.
Administration of mail and news services.
Handling of all DNS issues, including the update and
maintenance of nameserver records, as well as domain name registration for
customers.
Configuration of customer networks, including netblock
allocation and router configuration.
Implementation and maintenance of monitoring system
for customer networks and collocated hosts, including the automated paging of
technical staff in the event of a problem.
Installation and maintenance of web servers for hosted
customers and internal purposes.
Implementation of an automated procedure to generate
customized web traffic and bandwidth statistics for hosted and collocated
customers.
Various
positions
Account administration for students, faculty, and
staff.
Hiring, scheduling, and payroll of employees.
Administration of 70 UNIX and Intel-based workstations
and servers.
Design and maintenance of institution's official and
internal web sites.
Web server and software implementation.
Configuration and integration of various web-related
applications.
Supervision and training of students and faculty at
all ability levels in programming, desktop application programs, and number
crunching applications on various platforms.
Memberships:
Usenix, Sage
Education:
The Cooper Union
for the Advancement of Science and Art
B.E. Mechanical
Engineering, May 1997
Interests:
Music, Reading,
Camping, Fishing, Canoeing, Rafting, Scuba Diving, Traveling
References:
Available upon request