Krishna Chava Email & Phone Number

Toronto, Ontario, Canada

• Leads a team of 35 Network Technology Specialists supporting OH Data Centers and a large private MPLS network supporting various health care facilities and hospitals in Ontario.• Contribute to the development of technology vision (Cloud First), strategy, direction and roadmap to accomplish Ontario Health’s goals and objectives.• Operational Management - Oversee the streamlined operation of the organization’s network technology portfolio.• Strategy and Planning - Provide thought leadership to plan, co-ordinate, direct, and design the activities with in a highly available, mission critical, technical operations function. • Leads Risk identification and the development of mitigation strategies.• Collaborate with peers and decision makers in other departments to identify, recommend, develop, implement, and support cost-effective network solutions for all aspects of the organization. • Work with Cybersecurity Office, Operations Directors to harden the organizations Cybersecurity posture.• Set and manage eligibility criteria for OH network access and work with eligible partners to implement solutions that meet business needs cost effectively.• Fiscally responsible for managing Network Services Budget.• Ensure technology is maintained at a current support level and is configured to an effective utilization level.

Toronto, Ontario, Canada

• Support 400 out of 650+ Retail North America locations with Velocloud SDWAN, Meraki Switches and AP solution.• Support Cisco ACI + Hyperflex Environment at our Equinix data centers to support IT vision of a hybrid cloud that includes Public (Azure) and Private (Cisco ACI + Hyperflex) cloud.• Manage and Improve Application Delivery Controllers (Citrix Netscaler and Radware Alteon)• Manage and Support Checkpoint firewalls to protect our Private and Public Cloud.• Support and Improve Telecom backend Infrastructure which supports 1500+ VoIP lines (Bell SIPT, Verizon TSO) 2500+ VoIP numbers leveraging Oracle SBCs, ECB and EOM solutions.• Key Contributor and Member of Architecture Review Board.• Prepared annual IT and Telecom budgets working with Senior IT leaders from the business and Co-Managed IT Fiscal budgets with CTO.• Negotiated vendor pricing to save on Network and Telecom contracts which includes software/hardware perpetual/subscription licensing and not excluding wireless and wired circuits.• Manage Corporate and Retail End User Team that supports all end user devices (Computers, Tablets, Microsoft licensing)• Ensure all end user devices are properly patched and have to up to date software using Tanium and SCCM.• Collaborated with corporate and retail partners to investigate, adopt and provide ongoing support to different technologies.• Enforce Financial Discipline using Telecom Expense Management tools like Tangoe and Perform annual Audit on all Network and Telecom Tools.• Improved training to reduce knowledge gaps and eliminate performance roadblocks.• Cultivated and maintained positive relationships with employees and contractors.

Toronto, Canada Area

• Maintain and Support MoneyMart Financial Services Network, Network Security and Telecom Private and Public Cloud Infrastructure used by Corporate (includes collaboration), Retail and Call Centers• Define Network and Telecom Roadmap and ensure it is aligned with the business requirements and growth.• Supervise staff and contractors in planning, implementation of on-going projects and Level 3 technical support.• Manage Retail Network/Telecom vendor relationship: o All Network and Telecom contracts/renewals. o Work with key vendors to resolve any disruption of services within Money Mart locations. o Provide reliable internet Connectivity to stores with >98% uptime using multiple internet circuits.• Plan and implement upgrades as part of the Retail Network refresh technology cycle every 3 years with refresh of 1/3 stores annually.• Define and maintain KPI for Network and Telecom Operations.• Collaborate with Network and Telecom Architects/Engineers in identifying opportunities for improvement/automation/leveraging new technologies in the current Network and Telecom Infrastructure • Classify incidents/services requests by priority and ensure their SLAs are met. • Review and Define SLA’s that need to be adhered to by the team based on priority. • Collaborate with Telecom expense management (Asentinel) and Moneymart AP to perform the below… o Monthly/Quarterly analysis of all telecom expenses. o Annual Audit of all Retail Inventory/allocations (disconnect inactive circuits/phone lines). o Ensure TEM company has access to all latest retail contracts and pricing.• Manage MDM infrastructure for retail/corporate mobility devices, including cost and savings.• Perform other duties as assigned, such as providing network & telecom technical support whenever required

Toronto, Canada Area

• Design Network and Telecom Solutions that would meet the business requirements.• Define Telecom Roadmap for the business.• Manage the following DFC Global Corp Telecom Infrastructure for Headoffices in North America and Europe.• Cisco Unified Communication Manager, Cisco Unity Connection, Cisco VCS Control, Expressway, Cisco MCU 4501, TMS, Jabber in the Cloud, Webex/CMR, Mitel MCD 3300• Avaya Session Manager, Avaya Communication Manager, Avaya G450 Gateways• Acme Packet/Oracle SBC's, Oracle Enterprise Communication Broker, Oracle Enterprise Operations Monitor• Rightfax Fax to email/email to fax solution using Dialogic SR140 channels with VoIP providers • Design/Implementation/Manage various Tier 1/Tier 2 sip providers from Canada (Bell SIPT), US (Verizon TSO), UK (Verizon EMEA TSO), Sweden (Verizon EMEA TSO), Spain (Verizon EMEA TSO, CellIP), Poland (Datera, CellIP, TMobile) for DFC Global. • MDM - BES 12 UEM Cloud solution with BCN on prem.• Manage Avaya Proactive Contact Dialer through Avaya Managed services• Vmware ESXI, Certified Asterisk, Kamailio, Microsoft TFS, git, Microsoft SQL, mysql, asp.net for custom Telecom solutions (Retail/Callcenter)• Support 850+ DFC retail locations VoIP Infrastructure in North America.

• Support/develop new features for Positron Telecom PBX

• Support/develop new PBX features for Positron Telecom PBX• Develop Phone Provisioning software to support Yealink, Polycom (including VVX 1500), Aastra, Snom phones.• Develop Test cases and assist customers/resellers with the design/implementation of Positron PBX• Supervise QA team and write test cases to test Voice and Video call scenarios for Positron PBX.• Integration Testing of Positron Products with third party software, hardware,SIP trunks - i.e IP Phones from various manufacturers, soft phones, VoIPProviders etc.• Providing Tier 3 Technical Support for Positron Telecom Customers• Manage Positron Telecom GIT Repositories• Manage Positron Telecom development and customer ticket systems.• Manage Positron Telecom Core Network and Telecom equipment.• Administration of Linux and ESXI Based Servers.

• Provide Part time VoIP consulting services to OP3Nvoice (Cloud Based recording solution) for the core voice network • Troubleshooting and reporting VoIP network performance issues • Maintaining expertise on a wide range of VoIP software

• Support/develop new PBX features for Positron Telecom PBX• Develop Phone Provisioning software to support Yealink, Polycom (including VVX 1500), Aastra, Snom phones. • Develop Test cases and assist customers/resellers with the design/implementation of Positron PBX• Supervise QA team and write test cases to test Voice and Video call scenarios for Positron PBX.• Integration Testing of Positron Products with third party software, hardware,SIP trunks - i.e IP Phones from various manufacturers, soft phones, VoIPProviders etc.• Providing Tier 3 Technical Support for Positron Telecom Customers• Manage Positron Telecom GIT Repositories• Manage Positron Telecom development and customer ticket systems.• Manage Positron Telecom Core Network and Telecom equipment.• Administration of Linux and ESXI Based Servers.

Halifax

• Providing required consulting services to Line 4 Engineers for their core voice network. • Troubleshoot VoIP network performance issues • Maintaining expertise on a wide range of VoIP software• Administration of Linux Servers and Open BSD based Firewalls.• Integration of Asterisk and Avaya IP Office systems using SIP trunks

• Implementation, support, maintenance and 24x7 monitoring of VoIP Infrastructure.• Ensuring that the IT department’s goals align with the business objectives of Line 4 Communications Inc.• Developing applications with Asterisk to use VoIP Technology in callcenters and programming AGI’s for asterisk in PHP and PERL.• Develop PHP web pages with Mysql database back end for Line 4 VoIP user portal.• Troubleshoot VoIP network performance issues• Providing technical solutions for business problems• Maintaining expertise on a wide range of VoIP software.• Manage Line 4's Layer 2 ADSL network with its customers from Aliant.• Managing Line 4 corporate network, telephony and information systems through branch or international offices.• Administration of Linux Servers and supervise the Solaris V880 (Davox dialers).• Managing Line 4 Co-location facility – Asterisk PBX Servers, Gateways, Recorders and Open BSD• Managing the Networking Devices of Cisco, 3Com and other vendors.• Managing Keating Group Core Data Network consisting of Cisco Pixes (Cisco Pix 501 and 506e), Routers.• Providing Level 3 support for Potential clients.

Halifax, Canada Area

• Implementation, support, maintenance and 24x7 monitoring of VoIP Infrastructure.• Ensuring that the IT department’s goals align with the business objectives of Line 4 Communications Inc.• Developing applications with Asterisk to use VoIP Technology in callcenters and programming AGI’s for asterisk in PHP and PERL.• Develop PHP web pages with Mysql database back end for Line 4 VoIP user portal.• Troubleshoot VoIP network performance issues• Providing technical solutions for business problems• Maintaining expertise on a wide range of VoIP software.• Manage Line 4's Layer 2 ADSL network with its customers from Aliant.• Managing Line 4 corporate network, telephony and information systems through branch or international offices.• Administration of Linux Servers and supervise the Solaris V880 (Davox dialers).• Managing Line 4 Co-location facility – Asterisk PBX Servers, Gateways, Recorders and Open BSD• Managing the Networking Devices of Cisco, 3Com and other vendors.• Managing Keating Group Core Data Network consisting of Cisco Pixes (Cisco Pix 501 and 506e), Routers.• Providing Level 3 support for Potential clients.