Summary
Overview
Work History
Education
Skills
Certification
Volunteer Experience
Honors Awards Memberships
Languages
Accomplishments
Timeline
Generic

MIGUEL RANGEL

Houston

Summary

Dynamic IT Technical Manager with extensive experience with different network environments and components, leading successful network integration projects and implementing Cisco SD-WAN solutions. Proven ability in troubleshooting complex systems and delivering exceptional customer service. Skilled in Cisco portfolio products, Checkpoint Firewalls, VoIP deployments and IT project management, driving efficiency and compliance across multiple sites.

Overview

10
10
years of professional experience
1
1
Certification

Work History

IT Technical Manager

Tenaris
Houston
01.2024 - Current
  • Leadership role in company acquisition projects to integrate new sites and apply the company standard to all network aspects for the new sites.
  • Analyzed business requirements and recommended suitable technologies accordingly.
  • Resolved escalated user issues in a timely manner.
  • Configure, deploy, and maintain SDWAN solutions Meraki and Cisco SDWAN (Formerly known as Viptela).
  • Provided guidance and mentoring to junior members of the team.
  • Ensured compliance with organizational policies regarding use of technology resources.
  • Managed the installation, configuration and maintenance of hardware, software, networks and other IT systems.
  • Coordinated with vendors for procurement of new hardware and software components for IT infrastructure development.
  • Performed preventive maintenance of networking hardware and related software.
  • Implemented network security measures, including VPNs, access control lists (ACLs), and firewalls to protect data and systems.
  • Performed troubleshooting of complex network problems related to LANs, WANs, VPNs, firewalls.
  • Designed, implemented, and maintained local area networks (LANs) and wide area networks (WANs) across multiple locations.
  • Project Leader for Telephony migration to Teams in the US and Canada. Migrate different PBX systems ( Cisco CUCM, Lync 2013, and Avaya) to MS Teams per company standard. Total of 20 + sites migrated.

IT Technology Leader

Tenaris
Houston
08.2022 - Current
  • Leadership on different projects and tasks for the US and Canada Region.
  • Work directly with regional Project manager for execution and planning.
  • Project Leader for Wireless revamping and firewall renewal in Canada region.
  • Assist Manager with budget preparation and strategies for the region.
  • Assist manager with Invoice processing and allocation for different services and facilities.
  • Participation and leadership in a major project for integration / acquisition of a new Facilities.
  • Implement the company’s standards and revamp the majority of the network for the purchased locations.
  • Management and coordination of equipment purchase following the process of IPRs, PR, and PO with vendors and third parties.
  • Smartnet Renewal and other vendor support for non-cisco equipment.
  • Configure, Maintain, and troubleshoot industrial and office network environments including Catalyst switches, ISR routers, and a variety of Wireless AP and Wireless controllers.
  • Analyze and deploy networks for new locations either offices, trailers, or yards.
  • Includes the design and implementation of all network components necessary to bring the site to production (Routing and switching, VPN, Wireless, Proxy, etc).
  • Configure and maintain checkpoint firewalls policies, hardware, and firmware following Cyber Security department’s guidelines.
  • Configure, maintain, and troubleshoot cisco ACI deployed at five locations.
  • Implementation of contracts, creations of EPGs, and creations of L3 outs.
  • Configuration, troubleshooting, and deployment of Telephony infrastructure with Lync 2013 and AudioCodes session border controllers.
  • SIP trunk implementations and troubleshooting.
  • Migration of Cisco CUCM to Lync 2013.
  • Maintain and upgrade session border controllers across the region and work with vendor for solutions.
  • Provide support to end user for Telephony issues and communication errors.
  • Design of Voice policies, Dial plans, and Voice Routing policies for the region.
  • Maintenance and troubleshooting of Wireless networks including 5500 and 9800 WLCs.
  • Deployment and configuration of wireless access points.
  • Convey Wireless site surveys for industrial and office facilities.
  • Analyze results and provide appropriate solutions for end user.
  • Maintain and troubleshoot F5 load balancers for the region.
  • Implement new solutions for application access from either LAN or Internet.
  • Regional Design and Implementation for Meraki SD-WAN solution.
  • Deployment and maintenance of VPN concentrators at the Data center level.
  • Deployment and Maintenance of remote vpn devices at satellite facilities.

IT Technologist Senior Analyst

Tenaris
Houston
01.2020 - 07.2022
  • Participation and leadership in a major project for integration / acquisition of a new company with twelve sites.
  • Implemented Tenaris’ standards and revamped the majority of the network for the purchased locations.
  • Integration Project: Integrated Session border Controller and Avaya PBX between Tenaris and the new facilities to enable call routing in between companies.
  • Lead project for Regional SD-WAN implementation and deployment with Meraki.
  • Over 12 sites deployed.
  • Management and coordination of equipment purchase following the process of IPRs, PR, and PO with vendors and third parties.
  • Budget preparation and coordination.
  • Smartnet Renewal and other support for non-cisco equipment.
  • Configure, Maintain, and troubleshoot industrial and office network environments including Catalyst switches, ISR routers, and a variety of Wireless AP and Wireless controllers.
  • Analyze and deploy networks for new locations either offices, trailers, or yards.
  • Includes the design and implementation of all network components necessary to bring the site to production.
  • Configure and maintain checkpoint firewalls policies, hardware, and firmware following Cyber Security department’s guidelines.
  • Configure, maintain, and troubleshoot cisco ACI deployed at five locations.
  • Implementation of contracts, creations of EPGs, and creations of L3 outs.
  • Deployment and configuration of new fabric components.
  • Configuration, troubleshooting, and deployment of Telephony infrastructure with Lync 2013 and AudioCodes session border controllers.
  • SIP trunk implementations and troubleshooting.
  • Migration of Cisco CUCM to Lync 2013.
  • Provide support to end user for Telephony issues and communication errors.
  • Design of Voice policies, Dial plans, and Voice Routing policies for the region.
  • Upgrade and maintain session border controllers AudioCodes.
  • Maintenance and troubleshooting of Wireless networks including 5500 and 9800 WLCs.
  • Convey Wireless site survey of industrial and office facilities.
  • Analyze results and provide appropriate solutions for end user.

IT Technologist Analyst

Tenaris
Houston
10.2018 - 12.2019
  • Configure, Maintain, and troubleshoot industrial and office network environments including Catalyst switches, ISR routers, and a variety of Wireless AP and Wireless controllers.
  • Lead and participated in Telephony project in Canada deploying two session borders controllers and two Lync Servers.
  • Migrated 6 T1 Lines to SIP trunks at Main Facilities.
  • Integrated Cisco Call manager with Lync 2013.
  • Analyze and deploy networks for new locations either offices, trailers, or yards.
  • Includes the design and implementation of all network components necessary to bring the site to production.
  • Configure and maintain checkpoint firewalls policies, hardware, and firmware following Cyber Security department’s guidelines.
  • Configure, maintain, and troubleshoot cisco ACI deployed at three locations.
  • Implementation of contracts, creations of EPGs, and creations of L3 outs.
  • Configuration, troubleshooting, and deployment of Telephony infrastructure with Lync 2013 and AudioCodes session border controllers.
  • SIP trunk implementations and troubleshooting.
  • Migration of Cisco CUCM to Lync 2013.
  • Manage and troubleshoot unified communications components with Lync 2013 and upcoming Teams.
  • Deployment and Maintenance of IVR Auto Attendants.
  • Maintenance and creation of voice policies, dial plans, call routing for users and new facilities.
  • Maintenance and troubleshooting of Wireless networks including 5500 and 9800 WLCs.
  • Perform Wireless site surveys and create necessary reports to users for analysis.

Network Analyst I

Meriplex Communications
Houston
02.2018 - 09.2018
  • Escalation point for MSOC department.
  • Participated with Advance Service team for a MPLS migration project providing a redundant path for over 50+ sites.
  • Provided support for mass project of customer with 200+ sites implementing Meraki SD-WAN solution and cisco phone telephony.
  • Configure, deploy, and troubleshoot networks per customer contracts including Routing and Switching, Telephony voice over IP, and Wireless.
  • Analyze and provide network solutions depending on the scenarios proposed.
  • Design, configure, and deploy Cisco voice gateways with either SIP trunks or T1 lines from service providers.
  • Troubleshoot and implement POTS analog lines for Faxes, fire alarms, Analog phones.
  • Migrate and integrate Cisco voice gateways with other PBX systems.
  • Manage and Maintain Cisco Call manager Express routers for facilities with onsite telephony services.
  • Troubleshoot and Maintain Cisco Call manager infrastructure and all its dependencies.
  • Troubleshoot and Maintain Informacast paging systems, auto attendants, Cisco call center, and Hunt groups.
  • Design, implement, and troubleshoot voice policies, route plans, route patterns, and dial patterns for customer.
  • Maintain and upgrade Cisco telephony hardware and firmware according to current standards.
  • Troubleshoot and debug call routing issues.
  • Troubleshoot and support Cisco Unified Communication voicemail system.
  • Conduct Wireless site surveys for different customers and provide reporting- solutions as necessary.
  • Troubleshoot and maintain wireless connection issues for end users for around 2000+ facilities.
  • Management of Cisco wireless LAN controllers 5500 and wireless access points.
  • Deploy Wireless LAN solutions to customer according to their needs and scenarios.
  • Deployment and troubleshooting of DMVPN, MPLS, and VPLS locations for different customers using routing protocols such as IPSEC, BGP, and OSPF.
  • Deploy, maintain, and support Cisco routers and switches across multiple sites either remotely or in person.
  • Deployment and support for two different SD-WAN technologies. Cisco Meraki and VeloCloud.
  • Work with SD-WAN vendors for troubleshooting issues.
  • Responsible for third party partners when dispatched to site for physical task such as cable runs and hardware installation.
  • Ensure tasks are completed according to company guidelines and customer needs.
  • On call 24/7 one week per month.

Managed Service Operating Center Technician III

Meriplex Communications
Houston
09.2017 - 02.2018
  • Manage, Troubleshoot, and deploy network for different customers.
  • Work with protocols such as BGP, OSPF, SIP, MPLS and DMVPN.
  • Installation and support of Cisco 3800 routers, 2900 switches, SD-WAN Meraki and VeloCloud.
  • Support and troubleshoot IPSEC VPN tunnels for different customers.
  • Troubleshoot and manage CUCM, Unity, UCCX, InformaCast with CCNA certified level.
  • Troubleshoot issues with POTS lines and T1 PRI lines.
  • Troubleshoot VoIP issues with Cisco CME routers.
  • Maintain and troubleshoot Telephone SIP trunks with Service Providers.
  • Maintain and support Webex clients and other aspects of the Unified Communication infrastructure.
  • Configure and troubleshoot wireless Access Points.
  • Support end users with Wireless LAN connections.
  • Support Wireless LAN controllers with Licensing, firmware upgrade, product issues.
  • Extensive experience with SNMPc, Solarwinds, and currently training on Traverse.
  • Point of escalation for Tier I and Tier II.
  • Responsible for training lower Tier.
  • Customer support oriented ensuring customer needs are met to its fullest.
  • Responsible for third party partners when dispatched to site for physical task such as cable runs and hardware installation.
  • Ensure tasks are completed according to company guidelines and customer needs.
  • Work with ISP for resolution of issues such as circuit down, packet Loss, or BGP bouncing.

Managed Service Operating Center Technician II

Meriplex Communications
Houston
08.2016 - 09.2017
  • Connect Wise, Service-Now, and Heat software experience and training.
  • Routing and Switching troubleshooting and diagnostic (CCNA level).
  • CMNA troubleshooting of Cisco Meraki devices and installation.
  • SNMPc experience and training (add devices, rearrange LANs, add information).
  • IPT experience and training with CUCM v. 11 and CME (CCNA Level).
  • Over the Phone troubleshooting experience with customer explaining step by step the process to solve networking issues.
  • Smart Source dispatch.
  • Worked over the phone with technician to seek resolution of issue.
  • Creation and troubleshooting of trouble tickets with upstream partners such as ATT, Comcast, Level 3.

Part-time PC technician II

Lone Star College-Cyfair
Cypress
08.2015 - 07.2017
  • Installs, configures, tests, maintains, monitors, and troubleshoots Level II end user workstation hardware, networked peripheral devices, and networking hardware products.
  • Installs, configures tests, maintains, monitors, and troubleshoots Level II associated workstation software and networking software products.
  • Receives and responds to incoming calls, pages, and/or e-mails regarding PC and/or hardware problems.
  • Maintains inventory of all monitors, keyboards, hard drives, modems, printers, scanners and other peripheral equipment.
  • Documents instances of hardware failure, repair, installation, and removal.
  • Supports development and implementation of new computer projects and new hardware installations.

Education

AAS - Networking Specialization - Cisco

Lone Star College
Houston, TX
01.2015

AS - Science

01.2015

Batalla de Carabobo High School
Barquisimeto, Venezuela
01.2010

Skills

  • CISCO Networking extensive experience
  • Troubleshooting Hardware and Software for different environments (Cisco , Checkpoint, MS Teams, F5, AudioCodes)
  • Routing/Switching protocols experience
  • Cisco ACI deployment, maintenance, and support
  • Checkpoint Firewalls implementation and support
  • McAfee Proxies administration
  • DHCP servers management
  • F5 Load balancers entry level support
  • Cisco Wireless LAN Controllers implementation and support
  • Cisco ISE management and operation
  • Wireless Access Points for LAN deployments
  • Cisco Meraki deployment and management
  • Microsoft Teams administration and implementation
  • AudioCodes SBCs implementation and support
  • SIP trunk experience with PSTN providers
  • Vendor Management
  • Voice gateway integrations
  • CISCO Network Security with ACI and ASA
  • Customer Service
  • IT Project management

Certification

  • CCNA Voice, 422694769585ALYF, 2015-2018
  • ICND1, 422254170154IKXI, 2015-2018
  • CMNA-Cisco Meraki certified, 2017
  • CCNA – Wireless, 2018-2021

Volunteer Experience

Houston Children’s Charities, 2011-2012

Honors Awards Memberships

  • Member of the National Society of Honors Student
  • Member of Phi Theta Kappa Group
  • Four times included in the President List of the Lone Star College

Languages

English
Native/ Bilingual
Spanish
Native/ Bilingual

Accomplishments

● Member of the National Society of Honors Student.

● Member of Phi Theta Kappa Group.

  • Four times included in the President List of the Lone Star College.

Timeline

IT Technical Manager

Tenaris
01.2024 - Current

IT Technology Leader

Tenaris
08.2022 - Current

IT Technologist Senior Analyst

Tenaris
01.2020 - 07.2022

IT Technologist Analyst

Tenaris
10.2018 - 12.2019

Network Analyst I

Meriplex Communications
02.2018 - 09.2018

Managed Service Operating Center Technician III

Meriplex Communications
09.2017 - 02.2018

Managed Service Operating Center Technician II

Meriplex Communications
08.2016 - 09.2017

Part-time PC technician II

Lone Star College-Cyfair
08.2015 - 07.2017

AAS - Networking Specialization - Cisco

Lone Star College

AS - Science

Batalla de Carabobo High School

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