Gary Asher

Lead upgrades and licensing of Windows domains for ensuring optimal system performance. Create comprehensive run books for each facility, covering data and voice networks. Design, install, and maintain DMVPN network for seven multi-modality imaging centers across Eastern US, improving network performance and refreshing network gear. Configure QoS scheme to support voice, video, and DICOM transport into cloud services. Install cutting-edge networking equipment, including Ubiquiti UDM SE, switches, APs, cameras, and UPS systems for power backup. Coordinate with telecom partners to find optimal solutions at competitive prices for clients. • Negotiated telecom and cyber security contracts, procured Cisco network hardware, and acquired Microsoft server licenses to enhance network infrastructure. • Employed B2B VPN tunnel templates and established Lan to Lan IPsec tunnels with partner companies. • Implemented KnowBe4 for phishing email training and testing campaigns, promoting network management and security. • Collaborated with low voltage cable installers to upgrade CAT 5 cable infrastructure into CAT 6 for improved performance. • Designed and configured 3CX hosted "Enterprise" PBX system for 7 imaging centers, implementing SIP trunks, Digital Receptionist, Ring Groups, and Call Queues.

Migrated Cisco Unified Communications cluster's ESXi virtual machines from Cisco MCS to Cisco UCS host server, improving performance and scalability. Contributed to Agile Scrum team for successfully completing Sprints and addressing Service Now tickets. Provided valuable support to peers through engineering reviews aimed at driving improvement of HLD and LLD processes. Coordinated and facilitated cut night calls with onsite teams, network teams, and voice teams. Provided expert guidance in voice planning, formulated comprehensive HLD/LLD documents, and delivered configuration support for relocation of bank branches and offices. Configured and installed Cisco VGW 310, 320, 350, and 450, as well as ASR 4551 routers, to establish efficient branch solutions. Generated CSV files and configured templates for the Bulk Admin Tool. Reviewed and provided constructive feedback on configurations proposed by other voice integration consultants and design engineers. Constructed Device Pools, server groups, regions, locations, partitions, calling search spaces, translation patterns, transformation patterns, route patterns, route lists, route groups, and media resources. Organized gateways, SIP trunks, user device profiles, Jabber Client Services Framework devices, CTI ports, and media resources. • Published comprehensive project-run books for the Global Voices Operations group. • Developed detailed BOMs and collaborated with cross-functional teams within Global Voice Team. • Integrated LDAP to import users from Active Directory and applied LDAP filters for streamlined user management. • Utilized Service Now and Jira as part of Agile Scrum teams while creating meticulous CUCM LLD and implementation plans for new service locations. • Led successful migration of Citi offices and branches in North America and LATAM from Avaya Enterprise to CUCM versions 10.5, 11.5, and 12.5, ensuring smooth transitions and improved communication systems.

Supported company's MPLS WAN/DMVPN WAN, including troubleshooting network issues, upgrading circuits, and implementing new solutions. Conducted Proof of Concept testing for Cisco iWAN Hybrid solution. Configured DMVPN tunnels to establish redundant internet connections. Implemented and managed Cisco wireless controller and APs. Designed and supervised installation of cable/fiber plant at all facilities. Organized Cisco ASA security appliances to replace PIX appliances. Installed and configured Riverbed Steelhead appliances. • Deployed Voice DR solution with Cisco CME and SIP trunk for each facility. • Engineered IP address scheme and executed a forklift upgrade of routers, switches, and firewalls. • Established IPsec tunnels to support partners and manufacturing facilities, as well as upgraded PPP Multilink circuits. • Implemented Live Action for comprehensive network testing and monitoring, including interface health, routing correctness, DSCP markings, QoS, and iWAN path choice.

Primary Role consisted transition of IT assets, network and telephony connectivity and security to Porteck IT Closed NY data center and moved assets to Tampa server room Moved VPN tunnels from NY to Tampa data center and ASA Installed Cisco UCME/CUE configuration in Porteck data center to support Help Desk and billing staffs Closed AHMS Billing office and moved telephone service to Porteck corporate office Vendor management included: meeting with telecom providers, maintenance plans and pricing for circuits, new software and equipment

Primary role consisted in managing day to day support of network and VoIP systems in an enterprise Projects included Network separation – Atlantic applications and the old PresGar group share many applications, contracts and licenses. Built VPN tunnels to new AHMS customers using Cisco ASA5520 security appliancesDesigned new network to include VRF partitions on Cisco 4500 switches to separate server farms Converted 70 node MPLS network to a 30 node internet based connectivity with IPSec tunnels and gre tunnels and close the remaining remote locations Vendor management included: meeting with telecom providers, maintenance plans and pricing for circuits, new software and equipment Negotiated telecom contracts and pricing Moved Tampa data centers to co-location facility. Calculated power and heat requirements, Planned server placement in cabinets for balanced power consumption and heat displacement Built switch block using 4507 and 3550 switches to provide redundant connectivity to servers and out to WAN

Primary roles consisted: Managed Sr. System Engineering team; Telecom/Wiring Plant, LAN/WAN, Windows Networking, Linux, Network Security, Physical Security, System Admin team and IT Help Desk IT Operations consisted of 13 team members Managed 3 Data Centers, server farms, Network, UPS systems, generators and AC cooling systems Managed facilities team in day to day support of all facilities demands, planned and implemented new projects Managed Vendor relations, negotiated term contracts, managed outages and met on a regular basis to plan projects and accounts Negotiated SOWs and Projects Major projects included network infrastructure upgrade to include Cisco 6500 series switches, Cisco ASA 5520 appliances, WAN redundancies with internet based IPSec tunnels and GRE tunnels and VRF segmentation, HIPAA and PCI security compliance implementation and continuance. Managed Virtual server farm implementation of ISCSI with HP Left Hand SAN and Data Center Replication Managed Windows 7 rollout of 300 PCs Organized build out of 2 new pharmacies, cubicle installation to support 125 new call center agent reps, included PC configurations, construction, power planning, network connectivity planning and telephony planning Documentation manager for Operations team, created and approve engineering documentation

Director of IT/Principal Network Engineer Primary roles consisted of design, implementation and support of medium size WAN/Lan infrastructure that transported VoIP, business applications and radiological imaging. Consolidated 70 node WAN from multiple providers to one large single provider frame relay network and then again to a single provider MPLS network Built and supported Cisco Unified Contact Center Express 5.0, an 18 agent scheduling Call Center. The call Center attached to a 2 server Cisco CallManager 6.0 cluster and Unity 5.0 voice mail system. Designed, built and continued support of 27 CallManager Express routers with over 750 IP Phones Project lead on new radiology clients conversion from existing billing, Supported Cisco 7200, 3800, 2800, 2600, 1700 routers and 4600, 4000, 3500, and 2900 switches in large WAN/LAN configuration. Built and supported Solarwinds Orion server, for up/down status, and interface monitoring. Built and used Plixer’s Scrutinizer NetFlow collector. Used WireShark protocol analyzer to solve network issues

Principal Engineer, Telecom Primary roles consisted of leading network engineers in design, implementation and support of 285 node frame relay network and large campus LAN Built 3 large switch blocks in campus LAN, utilized Cisco 6509 core switches, 4507 distribution layer switches and 4506 access switches, used extensive fiber plant to maintain connectivity and redundancy between 11 buildings Built redundant WAN, utilizing ATM T3 and 6xT1 ATM IMA in a PPP Multilink scenario Each remote node supported 2 PVCs, one to each access point in the data center Moved large data center from Tampa to a managed services facility in Atlanta Provided engineering for new networks Led network team in recovery practice scenarios at offsite IBM facility in Sterling Forest, NY

I led the Network Team in providing server and network support for a 2 campus Hospital system.