Roberto Iparrea Email & Phone Number

Montreal, Quebec, Canada

Montreal, Quebec, Canada

Laval Quebec

Montreal, Canada Area

• Provide technical support on issues dealing with retail store computer based cash register systems (i.e. POS software applications, PC’s, scanners, printers, pin pads.).• Responsible for responding to, and resolving service tickets in a timely manner according to SLA. • Perform root cause analysis for typical problems and provide procedures for problem prevention.• Troubleshoot general IT issues – internet, network, printing, performance.• Provide training to technical support teams as well as customers for relevant applications• Develop of MS SQL Server queries for the retail POS software applications.

Ericsson Canada Inc.

• Provided technical support and maintained environment for internal design teams.• Provisioning of IMS subscribers on our internal network.• SIM card configuration. • Configuration and maintenance of IMS nodes.• Elaboration and implementation of configuration procedures for different nodes/customers.• Hardware replacement and firmware upgrade. • Performed IP routing, Network Open Shortest Path First (OSPF), VLAN routing on Extreme switches.Achievements:* Improved Customer Satisfaction by effective RTT handling and timely closure (minimize lost lead time).* Developed an automation process to provision subscribers on the IMS and LTE test environment network. This achievement greatly improved the performance of the activities by doing it way faster and more precise.

Ericsson Canada Inc.

• Providing Core technical support (HSS, SGSN, MSC, MGw, BSC, APG nodes) to North American customers and analysis and resolution of problems in Ericsson Wireless Systems• Analysis and solution of CSR’s (Customer Service Request).• Receiving and monitoring customer’s queries and complaints.• Performing hardware and software troubleshooting activities, to ensure efficient handling of the customer issues and achieving ISP (In Service Performance) criteria as agreed.• Implementing new ERICSSON software and hardware upgrades.• Providing 24 hours technical and emergency support for Ericsson GSM, WCDMA, LTE, IMS• Customer on-site support.• Performing Software audits.• KCS/PRIMUS (Solution database) coaching.• Elaboration of the requirement proposal.• Coordination with PDU for the elaboration of the scripts.• Budget requisition from the KAM and PDU.• Direct coordination with the scripting team for the elaboration of the delivery package.• Track and communicate project status to customer and upper management.• Coordination of testing activities and facilitate communication between the scripting (India) and testing (Brazil) teams.• Elaboration of monthly bulletins for the release of the new scripts.• Plan, organise and implement Network Health checks for different technologies.• Direct coordination with developers for the elaboration of SAE and AXE parameters audits to MSC and BSC nodes.• Track and communicate project status to upper management through weekly/monthly reports.• Track and communicate project status to customer and upper management.• Coordinate the preparation and distribution of monthly NetQB (Ericsson Network Quality Benchmark) reports.• Elaboration and presentation of tailored KPI analysis to customer management on the customer MRM (Management Review Meeting).• Implementation of a new NetQB report for WRAN.• Technical coordination between Ericsson and the customer for the implementation of the KPI WRAN formulas.

Ericsson Mexico.

Software engineer.• Understanding and clarification of customer needs.• Design of proposals for implementation.• Subsystem Design, Subsystem Interwork definitions and design.• Function Specification and Design.• Block/Unit Design.• Unit Test, Simulated Function Test.• Function Test on real test environment.• Developed and Tested Assembler solutions for products under the TDMA system.• Provide troubleshooting and customer support for the deployed solutions.• Worked in an ANSI41 over IP signaling prototype.• Developed a solution to adapt the signaling functions to the standard TCAP Interface for both SS7 and C7.• Adapted ANSI41 Call Delivery Signalling and Handoff functions to new requirements.• Provided technical support and assistance to other engineers and departments in different projects.

Gómez Palacio Area, Mexico

Worked developing, testing and implementing administrative database Software solutions for this department, the solutions were developed using FoxPro and COBOL.

Torreón Area, Mexico

Worked teaching computer science basics, programming techniques and algorithms.

Torreón Area, Mexico

Worked teaching computer science basics, programming techniques and algorithms.