| EXPERIENCE: | 5/2005 - Present | Global Connect | Mays Landing, New Jersey |
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Industry: Telecommunications Services |
| Sr. Systems Administrator |
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| Responsible
for maintaining over 100 servers distributed between multiple
datacenters and supervising systems and database administration staff
during daily operations as well as for off-hours downtime maintenance.
Quickly explored and familiarized myself with existing systems, custom
built software, and database schema in order to understand them well
enough to troubleshoot problems as they occur and identify components
that would best benefit from increased capacity or redundancy.
Standardized Linux operating systems on CentOS providing an enterprise
level operating system with mature lifecycle at no cost. Purchased,
installed, and configured additional racks and servers to support rapid
growth. Planned and led move of all servers from legacy network racks
to newly purchased datacenter suite focusing on minimizing system
downtime (move was completed within downtime window). Implemented SSL
VPN solution to provide simple, encrypted, secure access to the
corporate network. Setup parallel testing/development cluster and
database so development could avoid impacting the production
environment. Setup multiple system clusters for load balancing traffic
and providing redundancy. Implemented high-availability solutions for
critcal components (shared storage, web servers, etc.) Designed
disaster recovery site and implemented methods for failing-over between
the primary and backup sites. Performed off-hours system maintenance
frequently in addition to working standard hours in order to ensure the
highest availability. Administered multiple MySQL servers including
handling user creation, permissions, routine table maintenance, schema
changes, performance analysis, query optimization, and failure
recovery. Performed VoIP interop testing with multiple carriers,
troubleshot and corrected VoIP-related issues. Replaced aging office
networking equipment with new Cisco switches and routers to leverage
their stability and configurability. Deployed Zimbra groupware product
to provide centralized e-mail and groupware administration. Served as
liaison between operations staff, systems & database administration
staff, and development staff to determine which staff was best suited
to address a given issue. |
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| 4/2003 - 5/2005 | Metrologic Instruments | Blackwood, NJ |
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Industry: Manufacturing - Other |
| Network/Systems Administrator |
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| Performed
systems administration tasks for 25+ servers including configuring a
McAfee ePolicy Orchestrator server, installing and administering
Microsoft SUS. Architected and administered L2/L3 network
infrastructure using Cisco switches. Designed a spam filtering mail
gateway using RedHat Linux, Sendmail, and SpamAssassin. Responsible for
administering all corporate Linux servers and providing Linux support
to collegues. Performed complete migration of QAD MFG/PRO ERP software
including Progress 8 databases from Alpha NT to RedHat Linux AS 3.0
running QAD eB2, Desktop2, and Progress 9. Responsible for
administering Definity G3si PBX, Avaya S8300 Media Gateway, and Intuity
voicemail system. Deployed Avaya IP phones in new sales office to
provide a flexible IP telephony solution where no legacy analog
infrastructure had been previously setup. Planned, documented, and
provided support for NT4 to Windows 2000 migrations for several remote
offices. Designed an enterprise DNS structure to support Active
Directory spanning multiple offices and DNS servers. Administered
fibre-channel SAN including 3 Dell PowerEdge 2650 servers, a Dell
PowerEdge 6600 server, a Dell/EMC CX-200 storage array, and a Dell
PV136T tape library. Configured VPN server allowing encrypted access
for remote users. Managed deployment and administration of Blackberries
to employees including setup and administration of a Blackberry
Enterprise Server. |
|
| 11/2001 - 4/2003 | Rutgers University Network Operations Center | Piscataway, New Jersey |
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Industry: Internet Services |
| Student Telecommunications Analyst |
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| Performed
network monitoring, allocation, and troubleshooting for a University
network spanning multiple campuses and off-site locations. Involved in
Cisco router/switch configuration, installation, and maintenance.
Proactively searched for security vulnerabilities and recommended
solutions. Researched and proposed configuration recommendations for a
university-wide authentication scheme to administer network
infrastructure. Developed and deployed software applications to assist
in network monitoring. Detected, investigated, and resolved incidents
of host compromises. |
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| 5/2001 - 9/2001 | Metrologic Instruments | Blackwood, New Jersey |
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Industry: Manufacturing - Other |
| MIS Department Intern |
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| Worked
on domain migration strategies for migrating a Windows NT4 domain to a
Windows 2000 domain (with Active Directory). Analyzing the current
global corporate structure of the company, developed and implemented an
Active Directory layout which will be rolled out as the migration takes
place. Continued implementing VPN tunneling and routing to leverage the
Internet as an inexpensive method of providing secure and reliable
connectivity between the offices worldwide. Tested and proposed
strategies for migrating an Exchange 5.5 environment to Exchange 2000. |
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| 6/2000 - 9/2000 | Metrologic Instruments, Inc. | Blackwood, NJ |
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Industry: Manufacturing - Other |
| MIS Department Intern |
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| Worked for the MIS department where I performed (among other things) the following activities:
1. Assembling, troubleshooting, and maintaining servers and workstations.
2. Operating system installation, configuration, and support for Windows 95, Windows 98, Windows NT 4.0, and Windows 2000.
3. Building, configuring, and securing an eCommerce web server and FTP server using IIS 4.0 on Windows NT 4.0.
4. Microsoft Exchange 5.5 email administration including problem solving, user support, connectivity, and security issues.
5. Basic Cisco router configuration and troubleshooting including security analysis and VPN tunneling.
6.
Configued and maintained workstation and server anti-virus software
using McAfee Virusscan, NetShield, and Groupshield for Exchange.
7. Maintained backups for multiple servers using Veritas Backup Exec.
Stopped working in early September to return to college. |
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| 7/1999 - 9/1999 | Sprint | Philadelphia, PA |
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Industry: Telecommunications Services |
| Temporary Switch Technician |
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| Worked
as a temporary switch tech. Responsibilities included maintaining the
Sprint PCS phone network, performing remote maintenance on cell sites,
and maintaining documentation regarding T3 and T1 id's and connections.
Had no prior experience in telephony, but was able to pick up all I
needed to know very quickly. Stopped working in early September to
begin my next semester at college. |
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