Stephen Wall Email and Phone Number
Experienced Senior Network Engineer & Architect with over 11 years of experience in supporting customer-facing pre/post sale network engineering and design roles for large-scale service-provider networks within enterprise, state, and federal government system environments.Skilled in delivering Cisco Certified Network Professional (CCNP) expertise to provide resolution to difficult technical support scenarios, WAN optimization, develop network designs, and manage mission-critical Network/Security/Server infrastructure.Demonstrated technical proficiency through mass deployments, migrations, automations, and management of Cisco Systems at an ISP level. Hold strong knowledge in eBGP/iBGP routing, QoS Policing/Shaping, MPLS, DNS, Cisco IOS XE/XR, Cisco ISR4000 Series, and Cisco 9K systems. Adept to cultivating company cost-savings within the Networking field, and developing required designs/diagrams, configuration, and network infrastructure to meet customer expectations and business SLA’s. Currently, serve as a Senior Network Architect for Mastercard, delivering diverse network solutions and designs.Have always had a passion for growing technical knowledge, problem solving, and designing networks through dedication and persistence.Graduated with Summa Cum Laude Honors from the University of Central Florida with an Information Technology degree with a Network Engineering, Cisco Routing/Switching, and Cyber Security focus.Inquire for more details.
Mastercard
View- Website:
- mastercard.us
- Company phone:
- 1800 689 562
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Senior Network ArchitectMastercard Dec 2021 - PresentPurchase, Ny, Us• Design solutions for merged or acquired companies to work with the Mastercard network.• Provide strategic technical direction on highly complex network projects or activities involving the selection and recommendation of design approach and systems technology• Manage several projects pertaining to data center and security applications inclusive of but not limited to; production data centers, wide area networking, mergers & acquisitions, and network roadmaps.• Research and develop innovative solutions around global unified network solutions and future technologies; Support supplier and vendor management including potential evaluation and selection of new products.• Provide fourth level support to the Operations Command Center; investigation, troubleshooting and resolving network communications and operations problems impacting customer, backbone access, or performance on a global basis.
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Senior Network Engineer IiiL3Harris Technologies Jan 2021 - Dec 2021Melbourne, Florida, Us• Subject matter expert on routing/switching, high-reliability network design, QoS, BGP troubleshooting, network monitoring tools, and multi-VRF implementations.• Reduced monthly SLA penalty numbers from $30,000 to $3,000 by helping to reduce backlogs of 750+ change requests and 480+ disconnect orders, increasing on time percentage from 29% to 90%.• Key contributor in the MFN2 Telco Cost Optimization project, which competed for the L3Harris e3/Quality cost-savings award.• Migrated 110+ DNS state agency zones to MFN-2, additionally troubleshooting all operational DNS zone issues.• Lead 20+ state agency sessions to establish designs, configurations, and diagrams that met customer network expectations.• Influenced and presented 15+ process improvement suggestions leading to updated network solutions and process drive.• Constructed automation script solution to crossmatch MFN-2 production data, lowering manual hours by 80%.• Validated integrity of network data through monthly audits for QoS policing/shaping, VRF discrepancies, and more. -
Senior Network Engineer IiL3Harris Technologies Dec 2017 - Jan 2021Melbourne, Florida, Us• Served as an escalation and on-call POC to a large 24x7x365 NOC, for all operational high-level network and tool issues.• Supported 156 Florida state agencies under the MFN2 program, installing routers, performing quality assurance procedures, creating configurations, and migrating 13,000+ services on a 4,500+ site network from MFN-1 to MFN-2.• Developed specific customer agency configuration scripts to dramatically cut-back time spent building configurations, resulting in automatically configuring 667 sites, and a total estimated L3Harris cost savings of $1.51M.• Mentored and trained 13+ cross-team individuals in topics of network design, troubleshooting, tools, and monitoring.• Awarded highest contributor to creating and sharing engineering knowledge at 200+ contributions in technical articles.• Analyzed Telco and L3Harris maintenance requests for circuit re-routing and customer impact analysis.
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Network Engineer IL3Harris Technologies May 2016 - Dec 2017Melbourne, Florida, Us• Supported over 30,000 high-impact Airspace services for the FAA in the FTI program on a 5,000+ router network.• Communicated directly with LECs, IXCs, and Telco transport partners to remediate anomalies in a 99.999% uptime closed federal 24x7 NOCC environment.• Investigated 1000’s of alarm conditions, efficiently using test methods to troubleshoot WAN/LAN technologies such as Ethernet, IP, Frame Relay, MPLS, BGP, QoS, Circuit Emulation, and OSPF.• Utilized Cisco LMS software to automate 843 QoS compliance checks, standardizing equipment configuration and saving 70+ manual engineering hours.
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It Quality Assurance ManagerVoiceonyx Business Phone Service & Systems Jun 2014 - Jun 2015Orlando, Fl, Us• Provisioned 1,200+ Cisco routers, switches, and VOIP phones to meet customer industry expectations.• Customized 350+ of IVR configurations with Asterisk PBX to achieve a 100% customer satisfaction.• Initiated quarterly penetration testing practices to secure network vulnerabilities, in conjunction with the FBI, following in the creation of an approved honeypot.• Designed network infrastructure to obtain SNMP statistics and monitor packet loss, latency, and jitter on all devices, improving quality assurance of customer’s uptime by 45% -
It Support SpecialistCalvary Chapel Fort Lauderdale Jun 2012 - Aug 2013Fort Lauderdale, Fl, Us• Diagnosed faulty hardware and repaired relevant PCs to generate over $5,000 in new equipment cost-savings.• Restructured 8 student computer labs, assembling workstations, WAPs, Cat6 cabling, and peripheral hardware.• Developed and deployed an array of system images with PXE which resulted in successful installation of 800+ computers and reduced manual labor by 60%.• Utilized technical knowledge to resolve 100’s of student and faculty tickets to support one of the most complex fiber optic networks in Broward County, Florida.
Stephen Wall Education Details
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University Of Central FloridaInformation Technology -
Valencia CollegeNetwork Engineering Technology - Cyber Security & Digital Forensics Spec
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Valencia CollegeNetwork Engineering Technology - Cisco Routing And Switching Spec
Frequently Asked Questions about Stephen Wall
What company does Stephen Wall work for?
Stephen Wall works for Mastercard
What is Stephen Wall's role at the current company?
Stephen Wall's current role is Senior Network Architect at Mastercard | CCNP | Network Design.
What schools did Stephen Wall attend?
Stephen Wall attended University Of Central Florida, Valencia College, Valencia College.
Who are Stephen Wall's colleagues?
Stephen Wall's colleagues are Mauricio Schwartzmann, Brandon Kick, Raja Sekhar Tangirala, Cristina D'angelo, Dimitri Liyanage, Kelsie Carbone, Chris Moran.
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