David Bristel Email & Phone Number

Westbury, New York, United States

Provide on-site support to customers to resolve problems involving networking, spyware and virus removal, hardware and software issues as well as server set up, training, computer upgrades, data migration, and sales.Handle all issues involved in the running of the business, including bookkeeping, advertising and customer communication.

Oakdale, Ny

Deployed new software/hardware systems across multiple client locations, hardware installation, including Windows Server 2012 and Windows 7 systems.Set up and tested system images for a 10-location acquisition.Handled system administration functions including user profiles and data migrations as a part of server replacements.

Designed and implemented a system to allow UNIX based machines to authenticate against a Windows 2000 Domain.Released new server software versions into production.Responded to and resolved problems with production and development of UNIX servers.Conducted regular security scans of the company servers.Investigated remote IP addresses for possible filtering from Company web page reports.

Updated and customized Solaris 2.6 Jumpstart Server for customized production server setup.Designed and customized Solaris 8 Jumpstart Server for company-wide upgrade to Solaris 8.Responded to and resolved problems on all production Solaris 2.6/8 servers.Acted as primary point of contact to production ISP group.Set up and standardized multiple production Solaris Servers using Jumpstart.

Set up and maintained Web and e-mail servers.Installed and configured RealServer for customer accounts.Set up and configured MRTG to monitor bandwidth across all servers.Allocated IP addresses for internal servers and customer accounts.Set up Livingston and Ascend RADIUS servers for Dial-Up and DSL accounts.Handled all customer account creation and maintenance.Researched hardware for purchases and made purchase decisions.Designed and maintained network infrastructure.

Configured and maintained Linux and Solaris based servers, as well as Windows 95, 98, and NT machines.Managed DNS, including record changes.Set up and designed network and implemented changes to improve network performance.Diagnosed problems including denial of service attack sources.

Monitored all servers in the San Jose machine rooms.Worked with system administrators to improve service levels.Diagnosed and fixed problems involving 3Com/US Robotics Total Control(modem) racks, Livingston and Cisco routers.Diagnosed and coordinated repair of problems on the network infrastructure, including responding to power problems at remote sites, T1/T3 outages and errors, and ISDN backup problems.

Headed the formation of UUCP support procedures and functions.Coordinated the shift of UUCP support responsibilities from Operations to Support.Provided customer technical support for UUCP customers, including assisting customers with domain name registration.Trained co-workers in UUCP support, tools, and procedures.Responded to customer questions on Internet related issues, primarily in the area of technical support.