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Network Engineer Resume

PROFESSIONAL EXPERIENCE

Confidential

Network Engineer

Responsibilities:

  • Played a key role in the design, implementation, monitoring and support of a 24x7x365 fast - paced healthcare campus with 6 major hospitals, two main datacenters and over 100 remote sites and urgent care facilities.
  • Designed, configured and implemented Cisco VSS (using Cisco Catalyst 47Ks and 65Ks), and Cisco StackWise (using 3850 switches for management purposes) across the enterprise for chassis redundancy and capacity growth
  • Infoblox management and maintenance, for example, upgraded Infoblox from version 8.3.6 to version 8.5.6 updating management certificates, managing VLAN assignments, managing DNS and DHCP assignments
  • Created new networks as well as redesigned/resized several remote site networks using Infoblox depending on business need, Netcom standards and Cisco Validated Designs (CVDs) best practices
  • Leveraged Cisco ISE, Cisco TrustSec, EAP and 802.1x to implement a centralized, unified and highly secure BYOD solution
  • Implemented changes which significantly reduced the frequency of DC and services outages, for instance moving all layer 2 connections off from the data center core switches
  • Conducted predictive wireless assessments, site surveys and deployments
  • Performed installations, maintenance, upgrades, and software enhancements to support the CHOA network infrastructure needs
  • Performed enterprise wide hardware upgrades including hardware procurement (in some cases), device configuration, testing, and installation.
  • Retired all the 3548XL, 65Ks, and 3500 switches on the network in preparation for Cisco ISE and Cisco TrustSec implementation. Replaced all Cisco 3900 voice routers with Cisco ISR4331
  • Used different tools such as Cisco Wireless LAN Controllers (WLCs), Cisco Prime Infrastructure (CPI), Ekahau, Airmagnet, Insider etc. for configuring, managing, monitoring as well as diagnosing and troubleshooting wireless issues on the network
  • Wrote and reviewed change procedures and Network Group knowledge base articles in ServiceNow, as per CHOA standards and procedures
  • Periodic data center inspections, and on call participation, and helped other staff members with networking and systems administration problems

Confidential

Network Engineer

Responsibilities:

  • Responsible for implementation, monitoring and troubleshooting of more than 1000 Cisco devices in a highly redundant, highly available healthcare environment
  • Worked on daily ServiceNow tickets while engaged on enterprise deployment projects within the network team
  • Served as point of escalation for operational entities regarding regular or complex network issues
  • Used NetFlow to gather network statistics on traffic flows for troubleshooting purposes as well as determining whether traffic is optimally flowing through the network
  • Implemented network best practices within the routing and switching domains as well as firewall best practices including security zoning related, monitoring related as well as ruleset related
  • Monitored and troubleshooted Cisco ASA firewall related issues on the KP network
  • Performed regular housekeeping including researching, cleaning up and removing unused VLANs and SVIs, reviewing and documenting firewall rules and removing all unused rules.
  • Part of the team that designed an infrastructure that provides a heightened corporate wireless access to identify business partners and clinicians. Separated business partners and clinicians from the corporate WIFI
  • Used Cisco ISE Posturing to implement levels of authorization to access the KP network based on the device security level such as OS patch status, antivirus definition
  • Implemented standard configurations across the KP enterprise network. For example, added circuit IDs to interfaces and street addresses to SNMP locations, removed http/https services from all ACI routers
  • Enterprise wide router/switch IOS upgrades on all routers and switches including 3850s, 3900s, 4500s, 4331s, from 16.6.5 to 16.9.4
  • Mentored other engineers on the team

Confidential

Network Engineer

Responsibilities:

  • Troubleshooted network issues, such as link flapping, port channel down issues
  • Performed annual BGP DDOSS tests by rerouting traffic back and forth between different circuits
  • Validated and retired all legacy nexus 5K connections to increase available port capacity
  • Fine-tuned monitoring standards using NetBrain, SolarWinds, Cisco Prime, NetScout, and Splunk
  • Worked with Cisco and Kore-Tek to configure and turn up DWDM circuits
  • Occasional review of the contingency and disaster recovery plan (DRP) as directed by management
  • Updated 802.1x standards across the enterprise network
  • Worked with other teams such as the Voice team, Infosec, server team, field service as well as customer service on cross-functional projects
  • Monitored the environment and acknowledged/resolved issues as reported by Orion and Splunk
  • Worked day to day client incidents and tasks in ServiceNow

Confidential

Customer Support

Responsibilities:

  • Performed several network equipment moves
  • Monitored and managed the backups using NetBackup and Data Domains
  • Provided level 2 Microsoft Exchange support, providing client support for email related issues and requests
  • Served as the System administrator for the Network team, managing all the network team servers and jump boxes including Windows servers, Linux servers, VMs, and NFS storage systems
  • Wireless management and maintenance, for example, validated and decommissioned all unused SSIDs in Cisco Prime
  • Worked on daily Remedy tickets for network related issues and tasks
  • Worked on the enterprise Cisco EOX EOL upgrade project. All remote sites upgraded to new Cisco routers and switches
  • Performed any other duties as may be assigned from time to time

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