5G Core network
Ricardo Perez Esparragoza
5G O-RAN & LTE Integration Engineer | AWS | K8s | Cisco R&S | Cloud And Virtualization
Littleton
Summary
Highly qualified Telecommunications Engineer with extensive experience in 5G O-RAN networks and solid knowledge in cloud infrastructure. Proven expertise in critical roles at Dish Wireless, NextGen, and Huawei, with strong skills in network implementation, optimization, and comprehensive network analysis using Linux, TCP dump, and Wireshark. Intermediate proficiency in cloud platforms like AWS and Kubernetes, combined with hands-on experience in Cisco networks. Holds a Bachelor's degree in Network Engineering, with in-depth knowledge of IT and telecommunications systems, including Linux administration and network protocols. Thrive in dynamic environments, tackling challenges with confidence and adapting quickly. Excel both independently and within teams, motivating and guiding them toward shared goals. Leadership in multidisciplinary projects demonstrates ability to drive success and deliver high-quality solutions in the telecommunications field.
Overview
15
15
years of professional experience
3
3
years of post-secondary education
1
1
Certificate
Work History
RAN Integration Engineer I - IWR
Dish Networks
5701 S Santa Fe Dr, Littleton, CO 80120
11.2022 - 08.2024
- Established strong working relationships with stakeholders across multiple departments to facilitate collaboration on integration initiatives.
- Optimized system performance by troubleshooting and resolving complex technical issues related to integration, infrastructure.
- Facilitated knowledge transfer among team members by creating comprehensive documentation on integration processes and best practices.
- Connectivity troubleshooting, including ping tests, ARP tables, and CSR (Customer Service Router) connectivity.
- Verification of data consistency with OMNI Database and Transport Tool.
- Configuration of Day 0 files for CSRs and subsequent loading with remote FE assistance.
- Resolution of connectivity issues via SSH, including fetch host key problems with NSO (Network Services Orchestrator).
- Examination of BGP (Border Gateway Protocol) neighbors for CSR connectivity issues.
- Troubleshooting SFPs (Small Form-Factor Pluggables) and fiber light levels.
- Error correction and license management in CSRs, including software upgrades from image download to installation.
- Troubleshooting errors in TAF (Transport Access Function), including incomplete site information and duplicate IPs.
- Review of Dark Ring site designs for site integration into ring.
- Support and Troubleshooting: GPS alarms, VLAN configuration, alarm verification.
- RF Radio Operations Management: Managed RF radio operations via eCPRI interfaces, including CSR DU and timing configurations.
- Cloud and Virtualization Tools: Expertly utilized troubleshooting tools such as AWS, VMware, VSphere, Mavenir MCMS, CRT, and SAMSUNG USM.
RAN Integration Engineer I - IWR
NextGen
5701 S Santa Fe Dr, Littleton, CO 80120
05.2022 - 11.2022
- Established strong working relationships with stakeholders across multiple departments to facilitate collaboration on integration initiatives.
- Optimized system performance by troubleshooting and resolving complex technical issues related to integration, infrastructure.
- Facilitated knowledge transfer among team members by creating comprehensive documentation on integration processes and best practices.
- Verification of data consistency with OMNI Database.
- Troubleshooting SFPs (Small Form-Factor Pluggables) and fiber light levels.
- Support and Troubleshooting: GPS alarms, VLAN configuration, alarm verification.
- RF Radio Operations Management: Managed RF radio operations via eCPRI interfaces, including CSR DU and timing configurations.
- Cloud and Virtualization Tools: Expertly utilized troubleshooting tools such as AWS, VMware, VSphere, Mavenir MCMS, CRT, and SAMSUNG USM.
- ORAN Split Functions Implementation: Spearheaded deployment of ORAN split functions, including Remote Units (RUs) and Distributed Units (DUs).
- O-RAN Network Integration: Led seamless integration, vigilant monitoring, and effective troubleshooting of innovative O-RAN Dish Network.
- Documented incidents using ServiceNow ticketing system, ensuring accurate records and managing
escalations as necessary. - Collaborated with technical teams to document troubleshooting steps and enhance process
improvements. - Provided second-level operational support for detecting and resolving incidents in O-RAN and network
transport systems, implementing solutions efficiently.
Technical Director (Fixed Network)
Huawei Technologies Engineering de Mexico SA
Carretera 431 El Marques, Santiago De Querétaro, Qro.
01.2016 - 5 2022
- Fixed Network Remote Maintenance and Development Projects for LATAM
- Preventive and Maintenance Support: Delivered comprehensive preventive and maintenance support across 23 countries for over 50 clients, ensuring network reliability and performance.
- Collaborated with leadership staff to determine appropriate budgets.
- Optimized team performance by establishing clear communication channels and fostering collaborative work environment.
- Developed suggestions for technical process improvements to optimize resources.
- Oversaw product pipeline development, reducing production times by 10%.
- Oversaw product pipeline development, reducing production times by 10%.
- Led successful efforts to obtain necessary certifications, demonstrating compliance with industry regulations and best practices.
- Increased customer satisfaction, addressing technical issues swiftly and effectively.
- Complied with stringent regulatory standards for data handling.
- Served as primary decision-maker for internal technology spending, creating budget guidelines to reduce waste and decrease unnecessary upgrades.
- Evaluated emerging technologies for potential integration into existing systems or future projects.
- Championed continuous improvement initiatives, identifying areas for process optimization across multiple departments.
- Presented budget and business planning proposals to senior leadership, advocating for junior personnel needs and segment-wide business goals.
- Mentored junior engineers, fostering professional growth and enhancing team capabilities.
- Collaborated with cross-functional teams to efficiently complete large-scale projects on time and within budget constraints.
- Spearheaded adoption of agile methodologies, resulting in faster development cycles and increased adaptability to changing requirements.
- Managed implementation of new technological improvements resulting in increased efficiency.
- Led offshore development teams via telepresence, managing diverse personnel across varying levels of technical expertise.
- Monitored production operations for quality and compliance with standards.
- Implemented robust security measures to protect sensitive data and maintain system integrity.
- Software Upgrades and Updates: Executed critical software upgrades and updates, maintaining up-to-date systems and optimizing network functionality.
Customer Support Engineer - Spanish TAC
Huawei Technologies Engineering de Mexico SA
Carretera 431 El Marques, Santiago De Querétaro, Qro.
5 2013 - 12.2015
- DataComm Networks Support: Delivered exceptional customer support and engineering services for DataComm Networks, specializing in routing, switching, and security.
- Transport Networks Expertise: Provided advanced support and engineering services for Transport Networks, including cutting-edge technologies like WDM, SDH, and RTN.
- Operations Support Systems (OSS): Offered comprehensive support and engineering services for OSS, proficiently operating on Linux, Unix, and Windows Server platforms.
- Software Upgrades: Executed software upgrades and updates for DataComm devices, ensuring optimal performance and security.
- Basic Health Checks: Performed essential health checks for Fixed Network devices, identifying and resolving potential issues.
- Enhanced Health Checks: Carried out in-depth health checks for DataComm devices, maintaining network reliability and efficiency.
- Answered incoming support inquiries via chat, phone and email.
- Contributed significantly to exceeding SLA targets consistently while maintaining high-quality service standards.
- Managed critical incidents effectively by coordinating with relevant stakeholders and providing timely updates to affected customers.
- Answered calls and emails at help desk to assist customers with basic support, bug fixes and configuration issues.
- Established knowledge base of common issues, enabling faster resolutions and empowering customers with self-help resources.
- Maintained strong relationships with clients by consistently delivering timely, professional, and empathetic support services.
- Used remote diagnostic tools to identify sources of certain customer issues.
- Provided technical assistance on-site or remotely depending on client needs, ensuring swift issue resolution and minimal downtime.
- Played instrumental role in retaining key accounts by ensuring prompt resolution of escalated issues and maintaining strong communication throughout process.
- Enhanced customer satisfaction by promptly addressing technical issues and providing effective solutions.
- Delivered exceptionally high level of professionalism and support to each customer, upholding company's commitment to service.
- Assisted in creating culture of continuous improvement within Customer Support department through proactive recommendations on process optimization.
- Developed comprehensive troubleshooting guides for common issues, resulting in quicker problem-solving for clients.
IT Engineer
TELAT SA de CV
Av. Insurgentes Sur 263, Hipódromo, Cuauhtémoc, 06700 Ciudad De México, CDMX
07.2009 - 04.2013
- As principal technical support engineer, provide exceptional support to end users through Call Center located in CDMX.
- Conducted training sessions for end-users on new software applications to promote efficient adoption of technology tools.
- Implemented data backup and recovery procedures, safeguarding critical business information against potential loss.
- Enhanced cybersecurity with implementation of robust security protocols and risk management practices.
- Provided technical support in both on-site and telephone consultations.
- Troubleshot complex technical issues, providing timely resolution to minimize disruptions.
- Designed and deployed effective IT solutions for increased productivity and streamlined operations.
- Developed comprehensive documentation for IT processes, streamlining knowledge sharing among team members.
- Reduced downtime by proactively monitoring systems and conducting regular maintenance tasks.
Education
Bachelor of Science - Computer Network Engineering.
Universidad ETAC
Av. Zarzaparrillas 85, Villa De Las Flores, 55700 08.2007 - 12.2010
Skills
switching and routing configuration
Certification
Scrum Fundamentals Certified, SCRUMstudy, 09/2021, 874628
Accomplishments
- Northbound Interface Configuration: Expertly configured the Northbound interface to ensure seamless communication and integration with other network elements.
- NMS Client Installation: Installed the Network Management System (NMS) Client, enhancing the network's management capabilities.
- Customer Collaboration: Coordinated closely with the customer, providing detailed acknowledgments and ensuring a smooth transition within their office.
OSS Engineer - ICE, Costa Rica - Network Change Implementation: Successfully executed a critical network change by performing an on-site software upgrade on the NSM (Network and Service Management) system. This comprehensive process included:
I participated as a RAN Integration Engineer during the integration of the 5G O-RAN network in the United States for Dish Wireless Network
Additional Information
Scrum Fundamentals Certified
- Accreditation Body: SCRUMstudy
- Awarded: September 2021
- Certification ID: 874628
Courses:
- Introduction to AWS: Security Date: June 2022
- Introduction to AWS: Cloud Concepts Date: February 2023
Currently enrolled in the following courses:
- Currently enrolled in the course '5G Core - Architecture, Concepts, and Call Flows.'
- Complete Linux Training Course to Get Your Dream IT Job 2024
- Ultimate AWS Certified Cloud Practitioner CLF-C02
- Complete Agile Scrum Master Certification Training
Interests
ASW Cloud Practitioner
Scrum Master Certification
Timeline
RAN Integration Engineer I - IWR
Dish Networks
11.2022 - 08.2024
RAN Integration Engineer I - IWR
NextGen
05.2022 - 11.2022
Technical Director (Fixed Network)
Huawei Technologies Engineering de Mexico SA
01.2016 - 5 2022
IT Engineer
TELAT SA de CV
07.2009 - 04.2013
Bachelor of Science - Computer Network Engineering.
Universidad ETAC
08.2007 - 12.2010
Customer Support Engineer - Spanish TAC
Huawei Technologies Engineering de Mexico SA
5 2013 - 12.2015
Phone - Mobile
720 957 0253
r.p.esparragoza@gmail.com
Addresses
5101 South Rio Grande Street, Littleton, CO, 80120, US
Citizenship
Mexican
Phone - Mobile
720 957 0253
r.p.esparragoza@gmail.com
Addresses
5101 South Rio Grande Street, Littleton, CO, 80120, US
Citizenship
Mexican
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