Network Engineer Data Center

Stavros Zannikos, CCNA

**** ******** ***, ****** **., 15632

412-***-**** Mobile

*********@***.***

Professional Summary Senior Network Engineer with extensive experience in Cisco routing/switching, security, and IP Telephony. I have over 18 years of networking, and over 20 years of IT experience. I’m a team player

who has worked in several large team environments. I’ve managed several large Cisco projects, which includes a conversion from Nortel to a Cisco IP Telephony solution, redesigning a Cisco network(both site and data center), network refresh of over 1500 switches, migration from Cisco ASA to Cisco FTD with FMC management, and implementation of Cisco Telepresence.

Professional Experience

United States Steel February 2023 – Present(Wraps up on 05/19/2023)

(Contracted through Cynet Systems), Pittsburgh, PA

Planned network segmentation project(moving business devices off of process networks)

Configured Cisco Catalyst 9000, and IE 4010 switches for segmentation project

Planned Palo Alto firewall implementation

Worked on monitoring project using LiveAction and NetBrains

Configured Nexus 9xxx switches for data center refresh

Planned, configured and supported Fortinet firewalls for SDWAN project

Evoqua Water Technologies October 2017 – February 2023

(Contracted through Cinncinatti Bell – Full Time Hire on 04/18), Pittsburgh, PA

Designed two Nexus(NXOS) Data Centers in Sterling Virginia and Chicago Illinois

Designed remote site networks

Implemented Palo Alto Firewalls

Implemented Cisco ASA Firewalls at data centers and remote sites

Designed, configured and implemented Cisco PRIME

Implemented Cisco Identity Services Engine(ISE)

Worked with Checkpoint Firewalls

Responsible for design and implementation of wireless infrastructure

Implemented LiveAction for Network monitoring

Implemented Solarwinds NCM and RANCID for config backups

Managed Fortinet firewalls(IPSec site to site tunnels)

Day to day network administration

Managed Cisco CUCM and Skype for Business

Migrated Skype for Business on prem from old data center to new data center

Migrated over 100 MPLS remote sites to Velo SDWAN solution(saving business over $900,000/yr)

Managed Azure VNET environment for IoT

Jefferson Hospital April 2017 – September 2017

(Contracted through Holland Group), Jefferson Hills, PA

Day to day support of Cisco network infrastructure

Configured RANCID automated config backup system to automate backups of Cisco configuration files

Configured Cisco 5520 Wireless LAN Controller

Configured 3850 switches for EPIC project

Designed data center using Cisco catalyst 6800 series switches

Pittsburgh Glass Works February 2017 – March 2017

(Contracted through Pomeroy), Pittsburgh, PA

Responsible for day to day network infrastructure for all PGW sites

Configuration of Nexus 9k’s, 2k’s, 5k’s and 6k’s

Configured Cisco ISE for wireless authentication and posturing

Integrated Dell VRTX into environment

Worked on complex network projects

Configured VSS

Managed Cisco CUCM voice solution

Management Unity voicemail

Migrated from Cisco ASA to Fortinet NextGen Firewalls 100E

Philips Respironics Sr Network Engineer October 2015 – February 2017

(Contracted through Software Specialists), Murrysville, PA

Responsible for day to day network infrastructure for Murrysville sites

Architected new wireless solution for three sites using new Cisco wireless equipment

Responsible for day to day firewall administration using Cisco PIX firewalls

Replaced data center 6500 series switches with new Nexus 7k/5k design

Assisted other Philips network engineers to implement wireless at their facilities

Configured new Cisco PRIME 3.0 appliance for wireless administration

Working on configure Cisco Identity Services Engine(ISE) for wireless guest portal

Responsible for designing site WAN, LAN, security, and wireless networks using Cisco appliances(routers, switches, ASA firewalls, and Wireless LAN Controllers)

Converted Nexus 9500 series switches from NXOS to ACI

Developed application policies for Nexus platform

Configured Nexus vPC's

Configured Nexus VDC's for different network roles

Configured and managed OTV on Nexus switches

Responsible for FEX Nexus switch

Wabtec Corporation Sr Network Consultant December 2014 – Oct 2015

(Contracted through Oxford Solutions), Wilmerding, PA

Responsible for designing Cisco/HP Network infrastructure including routers, switches, wireless and voice

Designed new Wireless infrastructure using Motorola VX9000 controller, Motorola Air Defense

Maintaining network infrastructure for over 140 locations worldwide

Implemented Cisco PfR on 2911 MPLS and DMVPN routers

Project managed all network infrastructure projects

Implemented Fortinet Fortigate firewalls to replace H3C

Kennametal Inc Sr Network Engineer August 2012 – December 2014

(Contracted through Software Specialists), Latrobe, PA

Responsible for Cisco network infrastructure, including routing & switching, wireless, and voice

Migrated tape libraries from Brocade to Cisco MDS 9000 SAN Directors

Designed, Architected, and installed Cisco Identity Services Engine

Installed and configured Cisco Mobility Services Engine for Cisco NCS

Ran wireless surveys and designed plans for new site wireless needs

Re-configured Cisco ACS solution for network appliance access

Engineered a secure guest wireless network using NAC Guest Server

Worked with security team to mitigate all network security vulnerabilities

Worked on data center switch consolidation project

Implemented Nexus 2248T fabric extenders

Upgraded data center with Nexus 7010 with NXOS

Built Multilink bundles on routers for remote site access

Designed site to site VPN architecture (IPSec and DMVPN)

Designed VPN access for remote employees using SSL and client based Cisco VPN.

Upgraded switch/router IOS code

Upgraded NXOS code on Nexus 7000

Worked with team on Infoblox upgrades

Worked on level three incidents

Designed remote site network infrastructure

Designed remote site wireless network infrastructure

Created router configurations for remote sites

Used CiscoWorks LMS to create NetConfig scripts for deployment

Used CiscoWorks to backup configuration files

Used NetQos for WAN link monitoring

Worked with Cisco NCS, MSE

Part of planning team to migrate from Siemens PBX to a unified solution

Worked with routing protocols such as BGP, OSPF, and EIGRP, along with route re-distribution

Worked with team to implement a route-map solution to move certain WAN traffic over different routers

Worked with ACL’s, DACL’s

Project managed a Cisco ISE project implementing Cisco 3415 appliances for wireless/wired security

Designed, implemented and maintained Cisco CME solution for multiple remote sites for unified communications.

Curtiss Wright Cisco Network Engineer May 2012 – July 2012

(Contracted through Beacon Hill), Cheswick, PA

Network Engineer

Responsible for Cisco network infrastructure, including Wireless, voice, and security.

Configured Cisco switches (6500, 3750, 2960, and 4000)

Responsible for Cisco Wireless infrastructure including series 1200 APs and 4400 series WCS

Upgraded Cisco CUCM from 7.x to 8.6

Responsible for the physical cabling of data and analog lines

Upgraded IOS of over 100 network appliances

Installed and configured all wireless AP’s

Served as third level support for any connectivity or network security issues

Setup NAT for company acquisition to mitigate private subnet issue

Worked with Cisco ASA firewalls and Cisco FWSM for 6513

Administered RSA Security appliance and SecureID tokens

Configured BGP for multi-ISP configuration

Carlow University IT Director, Cisco Network Engineer June 2009 – April 2012

(Contracted through Sungard Higher Education), Pittsburgh, PA

ITDirector/Cisco Network Engineer

Researched and negotiated best prices on all IT hardware and software

Managed three level 2 PC/Desktop support personnel, 2 media personnel, and 1 Windows engineer

Was responsible for creating and conducting employee reviews.

Was responsible for creating and maintaining a large operational and capital budget.

Worked closely with Human Resources to create position descriptions

Configured Cisco Routers (2500, 3000, 4000) using RIP, IGRP, OSPF, EIGRP, IS-IS

Configure Cisco Switches (Nexus 7k, 6509, 2960, 3750, 4000, 3548, 3524, and 2900)

Was in charge of a large scale Cisco network upgrade.

Installed and configured workstations for IP/IPX based LAN

Installed and configured DHCP Client/Server

Implemented HP-Openview for network management, along with Cisco Works, and Cisco Network Assistant

Provided wide-ranging network and technical support to more than 4,000 end-users at 3 sites.

Physically installed switches into infrastructure.

Configured IOS, CAT OS, and NXOS switches for use

Responsible for all layer 2 & 3 switching

Responsible for Checkpoint NG & ASA firewalls

Created VPN profiles on ASA

Responsible for setting up Checkpoint rulebase

Responsible for external/Internal DNS

Installed and configured Cisco Telepresence

Configured and created VLAN’s

Configured and administered Cisco IronPort SPAM/Content Filters

Configured and administered Cisco IronPort Web Appliance

Installed and Configured Cisco Mars appliance

Managed a $2 million dollar Cisco VoIP migration project

Responsible for data and analog wiring

Implemented a $200,000 Cisco DMS infrastructure

Using BlueCoat packetshaper 10000 to shape internet traffice

Exchange /Lotus DominoAdministrator

Planned and led seamless migration from Lotus Notes 6.5.6 to Microsoft Exchange 2007

Increased efficiency by installing Defense Messaging with Barracuda Networks

Developed maintenance applications for Domino environment to clean up orphaned person documents/databases.

Misc

On site, supported 700 users

Supported 5 Windows 2003 servers, 8 Windows 2008 servers, and 2 UNIX servers.

Handled helpdesk support, computer repair and network troubleshooting.

Backed up network data using Symantec Backup Exec and HP SAN.

Created documentation for Backup/Restore procedures.

Created documentation for Exchange and Lotus Notes infrastructure.

Implemented Microsoft SCCM 2007 R2 SP2, and R3

Implemented Microsoft Forefront Endpoint for antivirus

Migrated 15 Sun Solaris/UNIX appliances to Red Hat Linux

Upgraded Exchange 2007 to Exchange 2010 using Binary Tree

Upgraded Sharepoint 2007 to Sharepoint 2010

Installed 175TB EMC SAN

BNY Mellon Sr Lotus Notes Administrator/Network Analyst August 2008 – December 2008

(Contracted through TekSystems) Pittsburgh PA

Apple Vacations Sr. Lotus Notes Engineering Consultant January 2008 - July 2008

(Contracted through Consultis), Boca Raton FL

Master Foods Inc. Lotus Notes Administrator Consultant/Network Administrator February 2007 - May 2007

(Contracted through Modis Consulting), Conshohocken PA

Zodiac Sr. Lotus Notes Administrator/Network Engineer June 2006 - January 2007

Aston, PA

Vesuvius Sr. Lotus Notes Administrator/Developer October 2005 - May 2006

Vesuvius, Cranberry PA

PNC Bank Sr. Lotus Notes Administrator/Developer October 2003 - Septemper 2005

Pittsburgh, PA

FedEx Services Sr. Lotus Notes Administrator/Developer October 2000 to October 2003

Coraopolis, PA

Education

St John’s University, Jamaica New York

Attended from 1993 – 1997 (Not Complete)

Woodland Hills High School, Pittsburgh Pennsylvania

Attended from 1989 – 1992 (High School Diploma)

Certifications

Cisco Certified Internetworking Expert(350-401 Written) – Planned for August 2023

Cisco Certified Internetworking Expert (Practical) – Planned for December 2023

AZ-700 Azure Networking – Completed 10/22

Palo Alto PCNSE – Completed 02/23

References Available Upon Request

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