network technology, Telecommunications, noc

Sean Romero

Network Technician

*****@*-***********.*** • 720-***-****

Evergreen, CO 80439 • LinkedIn

Tech-savvy, analytical, and performance-driven professional with proven expertise in managing diverse network operations, system diagnostics/maintenance, and providing technical support across multiple platforms. Skilled in conducting routine network updates, hardware/software configurations, and troubleshooting connectivity issues. Instrumental in utilizing advanced network tools, software, and hardware to resolve complex issues, deliver efficient solutions, and enhance customer satisfaction. Proficient in ensuring system reliability, maintaining network infrastructure, performing regular audits, and identifying opportunities for process improvements. Demonstrated strong problem-solving skills with a focus on minimizing downtime and improving network efficiency.

Technical Proficiencies

Networking & Telecommunications:

OSI Model, Secure CRT, Cisco IOS, Packet Tracer, Unified Communications, Putty, Wireshark, VoIP, GeoFront, Siebel, Pipeline, OMC, BPM, PRO, XLR, RSI, EON, IOT, Splunk, CMD

Network Protocols & Circuits:

TDM, DSL, Coax, VPN, IPSEC, IPv4/IPv6, MPLS, BGP, EIGRP, OSPF, VLAN, IPVPN, T1/DS1, DS3, Ethernet, Private Line, DIA, ISDN PRI, Metro Ethernet, Wavelengths, HSIP

Cisco Hardware:

Cisco ISR Routers, Catalyst Switches, Access Points, Voice/data hardware

Operating Systems:

Windows 7/10, Mac OS X, Linux desktop Operating Systems

Server Administration & Ticketing Systems:

Windows Server, Mac OS X Server, Active Directory, ServiceNow, JIRA, Remedy, ZenDesk, CMD

Software & Tools:

Microsoft Entra, Google Workspace, Microsoft Office for PC and Mac, Symantec Ghost and Antivirus, Adobe Creative Suite for Mac

Professional Experience

Allied Digital, LLC, Denver, CO 06 – 11/ 2024

Desktop Support Technician

Performed routine hardware and software installations, upgrades, and configurations while ensuring compatibility with existing systems. Monitored system performance through regular diagnostics and preventive maintenance. Ensured compliance with company policies and conducted regular system checks and audits to protect data integrity.

●Troubleshot operating system issues, application malfunctions, network connectivity problems, and peripheral device failures.

●Provided technical support for hardware and software issues across multiple platforms.

●I provided ITAM support for Mac and Windows PC desktops and laptops.

Lumen Technologies, Denver, CO 01 – 06 /2024

Operations Support Technician II

Assisted with network maintenance tasks, including routine updates, patches, and upgrades to software and hardware systems. Performed network performance assessments, identified potential areas for improvement, and presented findings to senior management.

●Delivered technical support for network operations while ensuring optimal performance and uptime for customers.

Lumen Technologies, LLC Broomfield, CO 01/ 2022 – 12/ 2023

Operations Technician II

Monitored network performance and executed regular installation and maintenance of monitoring systems. Addressed and resolved intricate network issues related to power, hardware, software, lines, modems, and terminals.

●Led installation and maintenance of sophisticated network monitoring equipment.

●Utilized advanced software and hardware tools to assess and troubleshoot network conditions and challenges.

Maximus, Inc. Broomfield, CO 01/ 2018 – 12/2021

Senior NOC Technician

Managed and addressed customer trouble tickets while prioritizing urgent requests and facilitating timely issue resolution. Supported network and system performance improvements through detailed analysis of technical problems. Provided expert troubleshooting for technical disruptions and rectified complex hardware and software issues.

●Delivered technical support for Maximus Managed Services and addressed break/fix and repair issues across customer, carrier, and management escalation levels.

GTT, Inc. Greenwood Village, CO 01/ 2017 – 12/ 2017

Tier II NOC Technician

Addressed and resolved layer 1, 2, and 3 network and telecom issues in collaboration with internal teams, third-party carriers, and vendor engineers. Delivered technical resolution support for GTT Managed Services and monitored customer, carrier, and management escalations.

●Managed and prioritized incoming trouble ticket requests and consistently exceeded performance expectations and service metrics.

●Conducted analysis of core edge network equipment and leveraged NMS automation technology to ensure optimal performance.

CenturyLink Littleton, CO 01 /2016 – 12/ 2016

Operations Technician II

Handled internal and external escalations and coordinated with CenturyLink, vendors, and carriers to identify root causes and implement corrective measures. Facilitated timely SD-WAN repairs and maintenance in collaboration with cross-functional teams and management.

●Minimized downtime and optimized network performance by conducting Tier II troubleshooting and resolving SDWAN-related issues.

●Achieved and surpassed team performance benchmarks and improved mean time to resolution (MTTR) for inbound support inquiries, ticket resolution, and customer satisfaction confirmation.

Level3 Communications Broomfield, CO 01/ 2014 – 12/ 2016

Circuit Designer (Promotion)

Generated precise design layout records detailing Ethernet, private line, and wavelength circuits along with bandwidth specifications. Developed network circuit paths by leveraging advanced network architecture, routing strategies, and capacity planning.

●Oversaw customer orders from inception to completion while coordinating A-Z connectivity and executing remote installations at POP, CO, or COLO with field service collaboration.

Provisioning Ops Technician II 01/ 2014 – 12/ 2016

Enhanced accuracy and consistency of inventory consumption data through development and maintenance of layout records. Collaborated across multiple teams to align work orders with revenue goals and customer commitments.

●Led and managed intricate customer orders, including dark fiber and colocation circuits, and ensured seamless integration of on-net and off-net network configurations.

●Generated capacity requests and optimized resource allocation through efficient monitoring of tracking systems.

Education & Credentials

Metropolitan State University, Denver, CO

B.S. in Business & Marketing

Certifications

Cisco San Jose, CA

CCENT (Cisco Certified Entry Networking Technician), September 2018

CCNA (Cisco Certified Network Associate) Routing & Switching, October 2018

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