Sebastian D Ghiurau
Peoria
Summary
Sebastian is the son of Eastern Block refugees that were granted citizenship in the United States to escape the violent and oppressive communist regime in Romania. At a young age, Sebastian learned the value of hard work and freedom as he experienced the sacrifices made by his parents to escape oppression and build a new life in America. The experience shaped Sebastian into the man he is today. Sebastian still speaks his native language of Romanian and views his background as a motivation to excel at what he does. Sebastian has nearly a decade of experience in IT support and troubleshooting. He has proven his ability to be successful at problem solving and he takes pride in ensuring that complex systems run smoothly. Because of his superior management and strong leadership capabilities, Sebastian was constantly entrusted with multiple projects that were valued in the hundreds of thousands of dollars. Sebastian is a passionate, goal-oriented individual that is highly respected by colleagues for his creativity, resource management, and his belief that challenges can be opportunities to succeed.
Overview
19
19
years of professional experience
1
1
Certification
Work History
Network Engineer 2
Cox Communications
Phoenix
01.2016 - Current
- During his time at Cox Communications, Sebastian has become a key player not only with his peers but also within his department. In his Network Engineer role, he configures, and tests network equipment as required: (3400/3750 Cisco switches, Cisco ASR-9K, 7609 Cisco routers, 2430 IAD’s, AS5400 Voice Switches, Juniper MX-80, Fujitsu 4020/4100/4500, Nortel Access Nodes, Cisco ONS 15454/15310/15600, Alcatel-Lucent). Works extensively with provisioning wide area networks (WAN) that include P2P (EPL), hub and spoke (EPLAN). Sebastian provisions services and protocols that include BGP, OSPF, MPLS, MLS, SONET, and DWDM.
- Sebastian works daily turning up OSPF access rings and migrating them to ISIS rings. He configures BGP on the core network and collaborates with customers on BGP turn-up and troubleshooting. He works daily on the MPLS network, configuring and resolving issues across all aspects of the infrastructure, including carrier services and core-related problems. He is experienced in configuring Cisco switches and Wi-Fi access points to support reliable, scalable environments.
- Sebastian works extensively within a Nokia environment, including daily hands-on configuration and troubleshooting with the Nokia 7750, 7210, and 7705 platforms. He builds both baseline and service configurations, and works closely with field technicians to install, turn up, and troubleshoot outside plant (OSP) network issues. He also brings valuable experience working with Juniper equipment, further strengthening his multivendor network expertise.
- Additionally, Sebastian has direct experience with Nokia DWDM equipment, including the installation and turn-up of DWDM services using the Nokia PSS-16, PSS-8, and PSD-10 platforms. This includes configuring and validating optical paths, troubleshooting layer 1 transport issues, and coordinating closely with transport teams for successful service delivery.
- He interacts with Sales Engineers, Project Engineers, Access Engineers, and customers to meet turn-up/install dates for new services. He also collaborates across all network service operation departments to troubleshoot outages, and networking issues and supports field technicians with migrations.
CB Fulfillment Tech 1 & 2
Cox Communications
Phoenix
01.2011 - 01.2016
- Sebastian's role is provisioning MTA, Data, and Cisco IAD/AS5400 devices for voice deployment through the use of proprietary transactions systems, manual configuration and remote support. He also works with other team members outside IN&T. Such as Sales, Service Delivery, and field to ensure properly delivery and services with minimal impact time. Sebastian verifies routing, operations, features and implementation of telephony base products with Nortel (Packet and circuit Switched), broadworks(SIP) and Cisco platforms (T1/PRI). Sebastian has been a key contributor to the team’s success on taking on Cox Las Vegas voice market for installs. He has trained and worked on processes for SIP PRI, SIP Trunk, and Voice Manger products.
IT Support
Toma Partners Real Estate
Phoenix
01.2010 - 01.2016
- Since he joined the team, he has restructured the company’s daily operation. He has put in place a NAS server to secure the companies files and developed easier way for agents and brokers to work together on a daily basis. Sebastian has also been a key role on the company’s development of the website. He as well supports and manages the company’s network.
- Toma partners markets high profile luxury properties in the Arizona market.
SOC Technician 1
Cox Communications
Phoenix
01.2011 - 01.2014
- Sebastian’s role at Cox is to monitor and maintain control of all network elements via the System Operation Center support platform. He takes pre-active action against network elements requiring attention. Track tickets, remote interactions and fix agent notification. Tracks outages conditions in equipment to insure timely resolution. Documents network incidents/conditions in appropriate tracking systems.
User Provisioning Administrator
Republic Services
Scottsdale
01.2011 - 03.2011
- Sebastian was responsible for setting up security and email privileges for new employees, plus managing access to the network share/private drives. Sebastian’s work ethic and efficiency quickly lead management to assign him to delegate and manage the workflow and projects to his coworkers.
- Republic Services is a leading provider of solid waste collection, transfer recycling and disposal services.
Customer Support & NOC (Network Operation Center)
Highwinds
Phoenix
01.2007 - 01.2011
- Sebastian monitors massive networks and servers ensuring availability according to customer and management expectations. He is specifically responsible for a range of tasks like managing and overseeing UseNet, CDN, IP, internet product, and network support. During the years at Highwinds, Sebastian became the lead customer and NOC support during his shift. He was responsible on overseeing his colleagues when working on network outages. He worked directly with the company’s network engineers on assisting on outages. He became a key role in assisting and training colleagues in understanding network issues and how to troubleshoot.
- Highwinds is an established market leader in multiplatform IP services, content replication, software and delivery services.
Education
BS - Cloud Computing
WGU
12.2025
National Institute of Technology - Information Security
01.2006
Troy Athens - Microsoft Systems Program
01.1999
School Diploma - General Education
Certification
- CCNA – Routing and Switch
- CNT140 Cisco Networking Basics
- CIS 126AA UNIX Operation Systems
- CNT170 Cisco Wide Area Networks (WAN)
- CNT150 Cisco Networking Routing Technology
- CNT160 Cisco Switching Basics & Intermediate Routing
Software Proficiencies
- Internet and Routing Protocols
- UseNet
- Content Delivery Networks
- UNIX
- Linux
- Network Troubleshooting with Cisco, Alcatel Lucent, Juniper, and Edgewater
- Adobe Products: Photoshop CS2, ImageReady, Acrobat & Illustrator
- Microsoft Products: Visio Project, OneNote, Word, Excel, PowerPoint, Access & Publisher
Community Leadership
- West Region Marketing Promoter, Charity Cup Ministries, Detroit, MI, Responsible for creating awareness among young people and helping to raise funds through the organization of competitive athletic tournaments.
- Key Supporter, Benita International, Supports an organization that provides for orphans in Romania.
Timeline
Network Engineer 2
Cox Communications
01.2016 - Current
CB Fulfillment Tech 1 & 2
Cox Communications
01.2011 - 01.2016
SOC Technician 1
Cox Communications
01.2011 - 01.2014
User Provisioning Administrator
Republic Services
01.2011 - 03.2011
IT Support
Toma Partners Real Estate
01.2010 - 01.2016
Customer Support & NOC (Network Operation Center)
Highwinds
01.2007 - 01.2011
BS - Cloud Computing
WGU