Tim Polyak Email & Phone Number

Brookfield, Wi, Us

Milwaukee, Wisconsin, United States

Remote - Providing Tier-3 technical support within AT&T's Advanced Technical Support (ATS)Transport EMS Team supporting Operations and Labs.

Greater Milwaukee Area

Greater Milwaukee Area

Menomonee Falls, Wi

• Managed/Administered the Vmware/VCenter virtual NetScout probing platform for Automotive Services Europe Connected Car (IoT). Including vendor management, troubleshooting, patching, testing, upgrades and change management. Assisted and worked with technicians on detailed troubleshooting when problems arose in the mobility decodes.• Administered the NetScout probing platform for Hosted Cisco VoIP worldwide which Included troubleshooting, patching upgrades and change management. Assisted and worked with technicians on detailed troubleshooting when problems arose in the decodes.• Supported the Tektronix Probes including Maintenance, troubleshooting & upgrades for Mobility LTE and VoIP.• Lead role in security hardening of LINUX OS, application servers and webservers utilizing McAfee Vulnerability scanner, RSA Archer and Tenable/Nessus to identify issues, correct and retest to support SOX (Sarbanes–Oxley) security audit compliance. Managed install/configure SSL certificates from Digicert certificate authority for internal webservers.• Wrote custom scripts to augment existing automated monitoring platforms after identifying situations that were not currently alarmed. Resulting in a shorter mean time to repair since it was identified when it happened and not relying on a user to report the trouble hours or days later.

Greater Milwaukee Area

• Building, deploying, maintenance, monitoring & troubleshooting SBC-LD (Long Distance) Data Network including Cisco switches, routers, ATM switches and associated LAN/WAN connections. Provided 7x24 escalation tier 2/3 support for $1 Billion of AIN revenue per year.• Conducted system/application administration, encompassing installation, patching, upgrades, troubleshooting, change management and vendor management for support systems. The systems include CiscoWorks LAN/WAN/Campus Manager, Cisco Secure ACS-TACACS, HP Openview Network Node manager, Netcool/Omnibus, Big-Brother/Xymon Server manager, Cisco Transport manager, Sun Global Desktop, Access-7, RSA SecurID, Bind DNS & NTP.• In an effort to save money in tight times I built, setup and configured an Open-Source network monitoring server Big-Brother/Xymon to monitor and alarm over 100 severs and devices to provide alarming, email notification and syslog monitoring for our Network Operations surveillance center. Saving approximately $30,000 in software and licensing fees at the time.• Saved approximately $80,000/year for 10 years self-supporting the Cisco devices with spares.• Redesigned, as needed as business changed and shutdown or moved sites. • Worked with internal/external customers troubleshooting interconnect issues.• Developed and trained 7x24 tier I surveillance team on basic network troubleshooting utilizing CLI and application tools resulting in a cost savings of approximately $20,000• Provided sole support for the Data-network from 2004-2015 7x24 utilizing email/phone notification off hours and weekends.• Performed NetScout nGenius remote packet analysis and trending for LD & Mobility