My name is Peter Paulik and I am a Senior Network Engineer with 10 years of experience of designing, deploying, and supporting Cisco enterprise wireless and wired networks for Walmart and Sam's Club corporate events. Experienced in Cisco Catalyst Routing and Switching, Cisco Wireless LAN Controllers, Cisco Catalyst Center, high-density Wi-Fi environments, wireless design, and troubleshooting with proven ability to deliver secure and reliable network solutions. Lead wireless network engineer for Walmart and Sam's Club annual events (Shareholders, Holiday, and Year Beginning Meetings) to support up to 13,000 wireless clients and Wi-Fi coverage up to 1,000,000 square feet per venue at various convention centers across US.
TECHNICAL EXPERTISE
- Enterprise Wireless: Cisco Catalyst Wireless LAN Controllers C9800-80/40/L, Catalyst Access Points (802.11be) CW9178I, CW9179F, (802.11ax) C9124AXI/AXD, C9130AXI/AXE with antennas (stadium C-ANT9104, ANT2513P4M, ANT2566D4M, and ANT2566P4W).
- Wireless Surveys: Hamina Planner/Onsite with Oscium Nomad and Ekahau AI Pro Design/Wireless Site Survey with Sidekick 2.
- Routing and Switching: Cisco Catalyst Routers (Edge 8500 & 8300) & Switches (9500, 9300, and 9200CX).
- Network Management: Cisco Catalyst Center for telemetry, health monitoring, assurance, provision, IOS upgrades (SWIM), topology, and configuration management for day-0 (PnP) & day-N.
- Wireless WANs: Cisco ISR C1131X, CradlePoints W4005, W1850, E3000 (5G/LTE) and StarLink Satellites.
- Troubleshooting: NetAlly's EtherScope nXG, AirCheck G3, LinkRunner 10G, and Wireshark.
- Network Protocols & Services: BGP, MPLS, DMVPN, IPSec, VRF, HSRP, RSTP, VTP, FTP/TFTP, DHCP, DNS, AAA, ACLs, SSH, SVI, VLANs (segmentation), Infoblox (DHCP servers), and Statseeker.
- Engineering/Operations: IP addressing, packet capture/analysis, change management, and vendor coordination.
EMPLOYMENT
Walmart Global Tech, Enterprise Business Services, Bentonville, AR (2015 - present)
- Senior Network Engineer, (2023 - present)
Designing, implementing, and supporting wired and wireless networks (high-density experience design with capacity requirements, channel and transmit power allocation, wireless surveys, utilizing Cisco Catalyst Center for monitoring, troubleshooting, and configuring). Configuring and managing Cisco Catalyst Wireless LAN Controllers C9800 with Catalyst APs (CW9178I, CW9179F, C9130AXI/AXE, and C-ANT9104), and Catalyst Routers/Switches.
- Network Engineer III, (2021 - 2023)
Designing, implementing, and supporting wired and wireless networks (high-density experience design, utilizing Cisco DNA Center for monitoring, troubleshooting, and configuring). Configuring and managing Cisco Catalyst Routers and Switches, and Cisco Wireless AireOS LAN Controllers 8540, with Aironet APs (3802P + ANT2513, 2802E + ANT2566, and 2802I).
- Network Engineer II, (2017 - 2020)
Designing, implementing, and supporting wired and wireless networks (high-density experience design). Configuring and managing, Cisco Wireless AireOS LAN Controllers 8540, 5508, and Cisco Aironet APs (3802P + ANT2513, 2802E + ANT2566, 2802I, and 3502I). Utilizing Cisco Prime Infrastructure.
- Senior Network Administrator, (2016 - 2017)
Implementing and supporting wired and wireless networks for Walmart and Sam's Club corporate events. Configuring and managing Cisco ISR Routers, Cisco Catalyst Switches, Cisco Wireless AireOS LAN Controllers 5508, and Cisco Aironet APs (3502I).
- Network Administrator, (2015 - 2016)
Implementing and supporting temporary wired networks for Walmart and Sam's Club corporate events. Configuring and managing Cisco ISR Routers, and Catalyst Switches.
CERTIFICATIONS
- CWAP, CWSP, CWDP, CWNA, CWTS, CWISA
- ECSE Design, C5S, CompTIA A+, and Network +
- CCNA Wireless, CCNP R&S, CCNA R&S, CCNA, CCNP Enterprise
- Cisco Certified Specialist - Enterprise Core, and Enterprise Advanced Infrastructure
- Cisco Certified Specialist - Enterprise Wireless Design, and Enterprise Wireless Implementation
EDUCATION
Embry-Riddle Aeronautical University (ERAU), Daytona Beach, FL (2012)
- Major: Bachelor of Science in Aerospace Studies, cum laude (GPA 3.64)
- Minors: Computer Science, Business Administration, and Information Technology
- Honors: Omicron Delta Kappa, and The National Society of Collegiate Scholars
