Gregg Czupryna
Clifton,NJ
Summary
Analytical and proactive Network Engineering professional with an extensive background in multi-vendor, multi-protocol critical network infrastructures, including IPv4/IPv6 networks. Demonstrated expertise in designing, deploying, and managing complex networks, as well as developing network monitoring systems for maximum uptime. Proven experience in data analysis for diagnosing and resolving network issues, optimizing end-user experience through innovative network architecture.
Accustomed to collaborating with global teams and effectively managing an on-call rotation for incident resolution. Hands-on experience with various network device configurations and coding in Go and PHP for network automation. Adept at learning and adapting quickly in new technology environments, with a particular focus on enhancing network performance and scalability.
Overview
27
27
years of professional experience
Work History
Lead of Network Engineering & Operations
6G Networks Inc
05.2015 - Current
- Designed, deployed, managed, and maintained multi-vendor, multi-protocol critical infrastructure networks spanning 4 main data centers and multiple points of presence in Warsaw, Poland based on dark fiber and optical technologies. This involved a fully redundant, high capacity, IPv4/IPv6 regional network.
- Developed optimized network monitoring systems by building and maintaining monitoring, backup, and automation platforms to support WAN/LAN network, focusing on 100% uptime and ease of network changes required by in-house cloud platform.
- Analyzed data to diagnose and identify root causes to network issues while providing expert-level support for technical teams. This involved working with level 1 network administrators during troubleshooting and making required network changes.
- Worked on design and deployment of new network architectures by planning, designing, and creating a multi-vendor multicast IPTV access network for client IPTV as well as content provider delivery to other ISPs.
- Optimized end user experience by designing, building, and maintaining a secure and high-performing cloud infrastructure based on CloudStack. This supported both low-level (DHCP, Radius, IPOE, PPPOE, DNS, VOIP, VPN) and secure financial and client-related services.
- Contributed to software development and network-centric tasks by planning, designing, and creating a multivendor access network for clients based on xPON (G-PON, XGS-PON) technologies.
- Practiced effective incident management and troubleshooting to ensure on-budget, timely delivery of new and upgraded network segments and platforms, while also leading and managing proof-of-concept technical trials.
- Possess protocol experience in BGP, OSPF, ISIS, MPLS and have a expert level understanding of routing and switching, hardware design, and knowledge of forwarding and data planes.
- Developed experience in network device configuration for multiple vendors, including Juniper, Cisco, and Arista.
- Used coding and scripting for network automation and configuration, primarily with Go and PHP
Lead Solutions Engineer
Level 3 Communications
01.2012 - 12.2015
- Designed and prepared technical presentations and recommended solutions for client issues.
- Monitored and collected all technical information and designed appropriate workflow for customers.
- Coordinated with customers and resolved all technical issues and prepared documents.
- Provided appropriate tools to streamline all campaigns for active deployment.
- Worked closely with account management, sales, product managers and support teams to provide technical expertise and guidance for customer trials in order to resolve technical issues during trials and implementations.
- Provided pre-sales and post-sales expertise to sales team and customers by participating in presentations, answering technical questions and managing customer trials.
- Being part of global product technical specialist team, provided technical expertise and guidance for other members of solutions engineering team in EMEA in area of security/DDoS and content delivery network.
Pre-sales Engineer
Dimension Data
04.2011 - 01.2012
- Cultivated and maintained strong relationships with customers to ensure a positive customer experience.
- Worked closely with sales team on understanding customer requirements, promoting products and delivering sales support.
- Assisted customers in troubleshooting product issues and provided timely technical support.
- Presented technical presentations to clients to explain product features and benefits.
- Prepared technical responses for RFP/RFIs, Technical documentations as well as Statement of Work (SOW) and Bill of Material (BOM).
Global WAN Engineering Supervisor
Ernst & Young LLP
01.2007 - 04.2011
- Led, directed and supervised team of 4 engineers to develop, test, modify and deploy global WAN network solutions.
- Coordinated activities with other units of organizations to develop cross-functional strategic plans to enhance company network.
- Worked on budgets for capital, expense and cost improvement activities and defined and developed project specifications.
- Verified product and equipment design, specifications and processes to reduce costs while maintaining product quality and employee safety.
- Designed and Transitioned to a Global Wide Area Network covering 265 offices globally and connecting various in-country networks using MPLS and IPSEC VPN technologies.
Lead Network Engineer
RackVibe LLC
01.2002 - 01.2007
- Bolstered the functionality of the technology infrastructure by working with hardware (Cisco, Juniper) and service vendors to construct a fully redundant IPv4 / IPv6 network.
- Troubleshot complex multi-vendor network service provider issues.
- Ensured timely delivery of new and upgraded network segments while managing technical teams and financial budgets.
- Supported corporate objectives by providing network engineering design, capacity planning, vendor interaction, cost analysis and network administration on a 24x7 basis.
Senior Network Engineer
VerizonBusiness
01.2001 - 01.2002
- Streamlined troubleshooting efforts for complex network issues by creating new and comprehensive procedures for network administrators.
- Progressed high visibility initiatives by contributing input toward purchasing decisions and overseeing the management of project deliverables.
Network Operations Center Supervisor
Qwest Communications
01.2000 - 01.2001
- Supported ongoing operations of the data center environment by providing detailed multi-vendor network administration and implementing new network services.
Systems Administrator
XO Communications
01.1997 - 01.2000
- Delivered Tier 2 and Tier 3 support for problem identification, diagnosis and issue resolution.
- Provided clients with network stability and reliability by providing systems and network administration across multiple geographic locations.
Education
Bachelor of Science in Information Technology
Excelsior College
Albany, NYSkills
- Multi-Vendor Network Management
- Network Architecture Design
- Network Monitoring and Optimization
- Problem Solving & Data Analysis
- Coding and Scripting using languages like GO and PHP
- Team Leadership
- Incident Management
- Expert Knowledge of Network Protocols like BGP, ISIS, OSPF, MPLS
- Expert Knowledge xPON Technologies (GPON, XGSPON)
- Adaptability
Timeline
Lead of Network Engineering & Operations
6G Networks Inc
05.2015 - Current
Lead Solutions Engineer
Level 3 Communications
01.2012 - 12.2015
Pre-sales Engineer
Dimension Data
04.2011 - 01.2012
Global WAN Engineering Supervisor
Ernst & Young LLP
01.2007 - 04.2011
Lead Network Engineer
RackVibe LLC
01.2002 - 01.2007
Senior Network Engineer
VerizonBusiness
01.2001 - 01.2002
Network Operations Center Supervisor
Qwest Communications
01.2000 - 01.2001
Systems Administrator
XO Communications
01.1997 - 01.2000
Bachelor of Science in Information Technology
Excelsior College
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