Jun Vallejo Email & Phone Number

Irvine, Ca, Us

An American electric vehicle manufacturer and automotive technology company focused on designing and producing adventure-ready, sustainable electric vehicles and trucks and advanced battery systems.LEADERSHIP: Managed a global team overseeing the company’s networking infrastructure, including data center networks, wide area networks, and telecommunications for manufacturing execution systems. Led the successful redesign and delivery of Operational Technology (OT) infrastructure to support the scaling of Rivian’s manufacturing operations, ensuring a resilient and high-performing network environment critical for the start of vehicle production.RESULTS: ➤ Oversaw a budget exceeding $30 million while managing a team of over 100 contributors and contractors.➤ Directed the development of global wide networking, data centers, telecommunications, wireless, campus-wide fiber infrastructure, cabling standards, and two-way radio standards.➤ Delivered new commercial network standards for service centers, workplaces, and data centers globally.➤ Successfully restructured the data center and networking infrastructure for Operational Technology, enabling zero downtime.➤ Achieved project completion without external consulting services, saving $1.5 million in potential vendor costs.

San Jose, California, Us

A leading electronic design automation (EDA) software company that provides innovative tools and technologies for designing integrated circuits and systems.LEADERSHIP: Led a global team responsible for modernizing and stabilizing the company’s technology infrastructure, encompassing collaboration tools, network systems, and voice communications. Successfully executed complex projects that resulted in significant cost savings and enhanced operational efficiency across over 50 locations.RESULTS: ➤ Directed the migration from Avaya to Cisco Unified Communications, resulting in annual savings of over $600,000 in managed service fees.➤ Spearheaded the transition from MPLS to SD-WAN for 50 locations, achieving monthly savings of $60,000 in telecom circuit fees.➤ Managed a budget exceeding $9 million, overseeing vendor management, contract negotiations, and team project management.➤ Led the redesign and modernization of data centers, eliminating 15-year-old networking equipment to support future growth and scalability.➤ Executed large-scale enterprise transformations, including M&A integrations, office relocations, and new office constructions, ensuring seamless transitions and minimal disruption.

San Jose, California, Us

A global cloud-led, data-centric software company that provides innovative storage and data management solutions.LEADERSHIP: Responsible for managing and enhancing the global Cisco Unified Communications deployment at NetApp, with a focus on engineering and architecture for various Cisco UC projects. Led the successful implementation of advanced communication solutions, ensuring seamless integration and operational efficiency across multiple locations.RESULTS: ➤ Delivered comprehensive upgrades to Cisco Communications Manager and Unity Connection across multiple versions, enhancing system capabilities and performance.➤ Managed the transition of North American offices from PRI to SIP trunks, optimizing communication costs and infrastructure efficiency.➤ Oversaw vendor relationships with key providers such as Verizon, AT&T, and Cisco, ensuring reliable service delivery and support for Unified Communications initiatives.

A San Francisco Bay Area company, specializing in IT consultation, Unified IP Communications, and Wireless LAN solutions.LEADERSHIP: Specialized in Cisco Unified Communications architecture and engineering, delivering comprehensive installation and upgrade solutions for a diverse range of clients. Managed implementations and upgrades of Cisco Communications Manager and Unity Connection, while providing essential training to ensure effective utilization of communication tools.RESULTS: ➤ Successfully executed multiple upgrades of Cisco Communications Manager from version 3.x to the latest release, enhancing system functionality and user experience.➤ Coordinated the installation of critical telecommunications services, including MPLS, PRI/DID, and Analog lines, facilitating seamless connectivity for clients.➤ Provided tailored training programs on CallManager and Unity for both administrators and end-users, improving operational efficiency and user adoption across various organizations.

Skokie, Illinois, Us

Delivered Unified Communications architecture, engineering, and installations for multiple clients, including the implementation of Cisco Communications Manager versions 4.x, 5.x, and 6.x, along with Unity Connection 7.x featuring Unified Messaging.

Walnut Creek, Ca, Us

As a Sr. Network Consultant, provided project management for AVVID installations, new wireless implementations, and network deployments. Led the configuration and installation of Cisco CallManager (versions 3.3, 4.0, 4.1), Cisco IP phones, Unity 4.0, CallManager Express 3.2, Unity Express, as well as Spectralink phones and Spectralink SVP servers.

San Francisco, California, Us

As a Network Engineer, provided configuration, installation, maintenance, and network support for Wells Fargo & Co’s Retail Implementation Group. Led the migration of over 2,000 Wells Fargo locations nationwide from Quest Communications to MCI WorldCom Frame Relay Circuits. Managed the configuration and installation of Cisco routers, Catalyst switches, hubs, 3Com routers, 3Com hubs, and ISDN backup circuits.