● Manage ISE solution including patching testing and installation, device profiling solutions, debug 802.1x and MAB authentication issues, and work on client portals● Migrated DNS/DHCP services from a centralized system to over 1,700 site-local IPAM VMs● Migrated DNS/DHCP services from a centralized system to over 65 site-local IPAM physical appliances for international locations● Stood up a Cloud DNS solution composed of 17+ VMs across Azure and GCP production and non-production environments● Manage department (6+) Linux server installations● Create, Enhance, and Maintain department PERL and Python code base, scripts, and service webapps● Write Splunk queries and reports relating to Cisco ISE, DNS, and other department solutions● Provide daily TACACS+ system administration for v4.X, v5.X and planning / migration testing for a move to ISE TACACS solution

● Over the span of 3 months, simultaneously upgrade and merge 5 disparate Cisco Identity Services Engine (ISE) domains running on virtual instances of v1.3, v1.4, and v2.2 into 3 ISE domains standardized on physical appliances running v2.2p9, all without any noticeable service interruptions● For the CA Monitoring suite (Spectrum, Performance Management and NetFlow Analysis), manage user accounts, network device discovery, alarms, service monitoring, training of OCC / NOC / data center personnel, and dashboard creation & management● Maintain 2,000+ Infoblox appliances across 11 grids, including seamless upgrading from 6.11.3 to 8.2.4+, plus create agile automation tools for store equipment swap which communicate updates to both Infoblox and ISE/LDAP tables● Support approximately 4,000 corporate, supply chain, and store firewalls, including context management, rule creation / decommission and analysis / debugging of related requests● Manage equipment configuration of over 20,000 ASA & IOS devices plus standardize configuration changes with a combination of NetMRI CSS, PERL and Python scripts● Create written and video training material for US and India based personnel covering Infoblox (DHCP/DNS), CA Spectrum, CA Performance Management, and Cisco Identity Services Engine, plus provide personal training sessions● Resolve ISE profiling issues with MS Surface Hubs, Brightsign display systems, Captel phones, Fastenal cabinets, Spectralink phones, and various other networked devices

● Engineer a revision control system (MySQL) to manage/update 1,700+ firewalls for Lowes Home Improvement● Implement scanning, mapping and database (MySQL) services to generate disaster recovery configurations for Cisco routers, switches, and load balances, ensuring Lowes Home Improvement is ready on a daily basis for service reliability tests or a full data center fail-over

● Provide desktop, laptop and kiosk installation support including configuration, updates and virus removal● Configure routers, WLANs, home DSL devices and troubleshoot cabling issues● Install medical equipment and provide customer support within HIPPA regulations

● Manage heterogeneous web hosting farm consisting of 100+ Windows, FreeBSD, Linux and Solaris systems● Perform contract PERL or Java programming including iText based business card creation tools for a print shop● Write shell and PERL scripts to migrate accounts, backup servers and enhance “Big Brother” monitoring systems● Coordinate telephone and web ticket help and support systems

● Update website product details/pricing for a distributor Cold Fusion based server

● Install, optimize and backup a heterogeneous farm of 10+ Solaris (x86) and Windows servers● Custom PERL programming, including the reimplementation of a schedule guide for www.FXNetwork.com● Manage support ticket systems for client hosting systes● Performance tune CVS, Microsoft SQL Server, Microsoft Visual Source Safe and MySQL servers

● Analyze, complete and document PERL scripts automating creation of health/benefit plan Intranet sites● Advise Visual Basic programmers regarding PERL to VB migration issues● Manage firewall and Windows based hosting platform

● Upgrade Shell and mSQL based account processing scripts for EuroFed Bank website● Code (LAMP) travel reservation site www.hawaiifun.org in PERL, also implement v2 feature sets● Design client web sites (HTML) and Javascript feature modules in NetScape Enterprise Server● Manage 4 Sparc servers and a Cisco 2509 router

● Support 75+ legacy remote client AIX systems 24/7 as part of a 4 member on-call team● Design shell and PERL tools to monitor and manage AIX servers, data backups, and Hitachi SANs● Create PERL based data “push” systems for Supermarket sales data from a central site to remote customers

● Install and optimize 20+ high availability (OpenVision HA) Sun servers● Manage backup and design shell scripts to perform periodic backup integrity tests● Serve as 2nd Shift liaison to both customer service (Decision One) and hardware vendors (Sun/EMC)● Maintain and utilize Lotus Notes ticket support system

● Design and implement a dial-up billing system (PERL) by merging Radius logs with account data● Provide 1st shift telephone support for dial-up clients● Program C++ file locking modules for VPN product

● Manage AIX server 24x7 and maintain Frame relay services for 7 remote offices● Create Shell and PERL scripts for account creation, system management and data backups● Setup and maintain desktops, WinGate server and ISDN Internet connection● Customize and test EDI templates