IZZAT Ullah
Elmont,NY
Summary
Senior Network Engineer with 9+ years of enterprise IT experience, including extensive hands-on responsibility for campus and healthcare wireless networks. Proven expertise in Cisco WLAN infrastructure, including Catalyst 9800 Wireless Controllers and Cisco DNA Center (Catalyst Center), along with enterprise switching and routing environments. Experienced in multi-vendor wireless platforms, including Aruba Central and Aruba Mobility Master, supporting large-scale hospital networks. CCNP Enterprise certified, with a strong focus on wireless optimization, troubleshooting, reliability, and operational excellence.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Network Engineer III
NewYorkPresbyterian Hospital
New York, NY
01.2023 - Current
- Support and maintain enterprise-scale campus wireless infrastructure across hospital environments
- Administer Cisco Catalyst 9800 Wireless Controllers, ensuring secure and highly available WLAN services
- Utilize Cisco DNA Center (DNAC) for wireless monitoring, troubleshooting, and lifecycle management
- Support multi-vendor wireless environments, including Aruba Central and Aruba Mobility Master
- Troubleshoot complex wireless connectivity, performance, and authentication issues in clinical settings
- Collaborate with network, systems, and security teams to support mission-critical healthcare applications
- Configure and troubleshoot Cisco Catalyst, Nexus, and Arista switches in campus and data center environments
- Manage BGP and OSPF routing across enterprise networks
- Maintain DNS, DHCP, and IPAM services using Infoblox
- Create and maintain Visio network diagrams and technical documentation
Network Engineer
The NPD Group
Port Washington, NY
09.2020 - 01.2023
- Supported enterprise campus and data center networking environments
- Managed Cisco Nexus 9K switches and ACI leaf/spine architectures
- Led data center migration initiatives with minimal service disruption
- Implemented and maintained BGP, OSPF, and EIGRP routing protocols
- Administered Palo Alto firewalls, Panorama, and GlobalProtect VPN
- Supported Azure connectivity via Azure ExpressRoute
- Utilized SolarWinds and ThousandEyes for performance monitoring and diagnostics
- Led network infrastructure projects, ensuring optimal performance and reliability across multiple sites.
- Designed and implemented secure VPN solutions to enhance remote access capabilities for users.
- Mentored junior engineers, fostering skills in troubleshooting and network configuration best practices.
- Conducted regular network assessments, identifying vulnerabilities and implementing necessary upgrades for security compliance.
- Troubleshot complex multi-vendor network service provider issues.
Datacenter Engineer /Network Support Engineer
The NPD Group
Port Washington, NY
12.2017 - 09.2020
- Supported enterprise data center infrastructure and networking systems
- Installed, configured, and troubleshot Cisco routers and switches, Nexus, and FEX devices
- Performed rack-and-stack, cabling, and hardware lifecycle management
- Supported routing, switching, VPN, and redundancy technologies (HSRP, VRRP, VPC)
- Coordinated with vendors and service providers for installations and issue resolution
- Collaborated with stakeholders to define project scopes, timelines, and deliverables effectively.
- Evaluated performance metrics to drive continuous improvement in engineering practices.
- Facilitated training sessions on best practices for engineering methodologies and compliance standards.
- Provided input to team lead regarding areas for process and procedural improvement.
- Supported junior engineers through mentorship, offering guidance on complex problem-solving and technical skills development.
Network Operations Analyst
PSEG Data Center (via Tata Consultancy Services) – Newark, NJ
Newark, NJ
06.2017 - 12.2017
- Monitored and supported enterprise WAN/LAN infrastructure in a 24×7 NOC environment
- Troubleshot routing and circuit issues involving BGP, OSPF, MPLS, and DMVPN
- Opened and managed cases with Cisco TAC and service providers
- Supported network monitoring tools and operational documentation
- Monitored network performance to ensure optimal uptime and reliability across data center operations.
- Analyzed incident reports to identify recurring issues and implement corrective measures.
- Coordinated with cross-functional teams to troubleshoot and resolve complex network outages effectively.
- Developed and maintained documentation for network configurations and operational procedures.
Education
Master of Science - Network Engineering
SMU
Dallas, TX01-2028
Bachelor of Science - Electrical Engineering Technology (BSEET)
Farmingdale State College, Farmingdale, NY
Farmingdale, NY01-2017
Bachelor of Science - Computer Engineering Technology (BSCET)
Farmingdale State College, Farmingdale, NY
Farmingdale01-2017
Skills
Wireless & Networking:
Cisco Catalyst 9800 WLCs, Cisco DNA Center (Catalyst Center), Enterprise WLAN, Campus & Healthcare Wireless, Aruba Central, Aruba Mobility Master
Routing & Switching:
Cisco Catalyst (9K/4K/3K), Nexus 9K, Arista 7K Series, BGP, OSPF, EIGRP, VLANs, STP, HSRP, VRRP, EtherChannel
Security & Remote Access:
Palo Alto Firewalls, GlobalProtect, IPSEC VPN, DMVPN, AAA, TACACS, RADIUS
Monitoring & Tools:
LogicMonitor, SolarWinds, Wireshark, SecureCRT, ScienceLogic, ServiceNow, NetQoS
Cloud & Infrastructure:
Azure ExpressRoute, Enterprise WAN/LAN, Data Center Networking
Certification
MTA Microsoft Technology Associate Certification (Current)
CCENT Cisco Certified Entry Networking Technician (Exp. Aug 23, 2023)
CCNA Cisco Certified Network Associate (Exp. Aug 23, 2023)
CCNA Certified Network Security (Exp. Aug 23, 2023)
Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation (Exp. Aug 23, 2023)
Cisco Certified Specialist - Enterprise Core (Exp. July 23, 2023)
Cisco Certified Network Professional Enterprise (Exp. July 23, 2023)
CNSS 4011 Recognition (Current)
North American Electric Reliability Corporation NERC Certified (PSEG proprietary)
Critical Infrastructure Protection CIP Certified (PSEG proprietary)
Configuring Cisco Catalyst 9800 and Intro to WIFI6 (DW-C98WF6-REN1) 1.0 from Cisco current
Palo Alto (in progress)
Timeline
Network Engineer III
NewYorkPresbyterian Hospital
01.2023 - Current
Network Engineer
The NPD Group
09.2020 - 01.2023
Datacenter Engineer /Network Support Engineer
The NPD Group
12.2017 - 09.2020
Network Operations Analyst
PSEG Data Center (via Tata Consultancy Services) – Newark, NJ
06.2017 - 12.2017
Master of Science - Network Engineering
SMU
Bachelor of Science - Electrical Engineering Technology (BSEET)
Farmingdale State College, Farmingdale, NY
Bachelor of Science - Computer Engineering Technology (BSCET)
Farmingdale State College, Farmingdale, NY