Network Engineer Office
Resume:
Jeffrey Leyba
PROFESSIONAL SUMMARY
Network Manager/Senior Network Engineer with experience providing network management and support of complex systems. My experience as an individual and in managing teams on projects includes design, implementation, budgeting, training, and support of complex network systems.
Technical Skills Summary
Cisco Network Infrastructure: Cisco Nexus 3K Core Switches, ASA 5585 Firewalls, 28xx Routers, Wireless LAN Controllers 5508, 5520, Access Switches, and Access Points consisting of over 780 devices.
Networking – SAN/NAS, VPN (inbound and site-to-site), SNMP, DHCP, DNS, iSCSI
Server infrastructure: Dell PowerEdge, HP ProLiant, and Cisco UCS servers Storage Arrays by Dell, HP, Nimble Storage
Servers: W2012 –W2019 Hyper-V, Exchange, SQL, SSCM, KMS, RRAS, NPS File, VMWare, Apple OSX 10.6 – 10.13
Virtualization – Hyper-V 2008-2016, VMware ESX 4.0, 4.1, 5.0, Cisco UCS
Server Administration – Active Directory / LDAP, Group Policy, Exchange, WSUS, SCCM
District Application servers (Power School, Destiny, Registration Gateway)
Client OS – Windows 9x – 10, Apple OSX 10.4 – 10.15
Office 365 (5000+ users), Exchange, Teams, SharePoint, Azure, Intune
Copier Management – Equitrac, Papercut / Kyocera, Konica-Minolta, Xerox
Camera & Access Systems: Genetec, Samsung, C-Cure
Disaster Recovery and Backup – Veeam, Arcserve, BackupExec
Imaging – SCCM, WDS, Ghost, JAMF
Education
Devry Univerisity
Chicago, IL
Graduated 1986
In Progress
Certifications
Cisco CCNP, Microsoft
Professional Experience
Proviso Township High Schools District 209
Forest Park, IL
Network Manager / Senior Network Engineer
Aug 2004 – Present
Technical
Responsible for managing the design and operations of 3 data centers and network infrastructure.
Project management of several projects implementing server infrastructure to a Hypervisor environment, Cisco network infrastructure consisting of firewall, router, core and access switches and high-density access points to support end user 1-1 computing.
Support and manage comprehensive task sequences and images in SCCM, and JAMF workflows, to ensure consistent image delivery, device lockdown, and maintenance for all district devices.
Plan, test, and deploy Group Policies for consistent device experience, maintaining client security, shortcut deliveries, and App Locker policies.
Planned, built, and implemented an Always on VPN server for remote management and ensure access to on-premises resources to 6,800 devices.
Manage and maintain district server and network infrastructure across three campuses.
Built and consolidated district shares from single server to DFS to ensure high availability.
Support and manage federated services to third party vendors to and from Azure.
Problem Solving
Periodically poll teachers to see what their technology challenges are and work towards researching and implementing a solution.
Support and provide ongoing training for front and back-end Office 365 to ensure effective usage from faculty and technical staff.
Built and maintain self-service install portals for client devices to allow end users to install pre-vetted software to shift the burden away from the technology department.
Serve as tier three and failover escalation point for service requests within the district.
Monitoring and developing solutions to minimize disruption to network services across a 3 site domain with multiple Wans & ISP connections.
Communication
Work with administration on implementation of new programs and solutions for ongoing support of the districts mission.
Work with senior technology team towards developing and implementing standards in level of service and proper ticket documentation.
Write and update technical and end user documentation to ensure a consistent delivery of services from the help desk and to guide end users.
Give basic training to faculty and students as necessary on device usage.
Coach and mentor level one and two help desk personnel.
Periodically meet with technology team at each site to discuss upcoming projects, prioritize requests, and give assistance to projects they are working on.
Leadership
I have been involved in the daily operations and support of the technology department, and actively mentor, manage and participate with 16 staff members on the maintenance, support, and upgrade of the computer network, including upgrading server & network systems, desktop and application updates as required by staff and student curriculum, implementing a full 1 to 1 laptop initiative prior to the recent Covid outbreak
Network - Application Consultant
Perlin Trading Group - Chicago, IL
10/2003 - 09/2004
Served as a network and support consultant for trading company. Worked with staff to relocate office to a new facility. Implemented and supported, Windows 2000 Servers, Veritas, Symantec Implemented
802.11a/b wireless network for notebook users Installed Windows XP on workstations / notebooks and installed and configured the following trading applications Esignal - Versions 7.4-7.5 CQG trading platform York trading platform TradeStation 2000 - Version 7 Aspen trading platform.
System Administrator- Medical Claims Processing
Ravenswood Physician Associates - Lansing, IL
10/2001 - 04/2004
Implemented new data center utilizing Windows 2000, Veritas, IIS, SQL 7-2000, Exchange 2000, IAS firewall servers Desktop support and upgrades of 20 workstations, 5 Laptops to W98 to Windows XP Office 97 upgraded to Office 2003, Word, Excel, Outlook, McAfee Anti-Virus. Project lead on development of 2 commercial websites. Worked with SQL programmer to develop a database driven web application. Developed a disaster and recovery plan for the client for continuity of business operations in the event of a theft, fire or other system failure. Performed Windows 2000 file server administration and maintenance. Create, modify, delete user accounts and assigned network rights Installed & Troubleshoot software applications Developed and Implemented HIPAA documentation and procedures.
Network Administrator
Northern Trust Bank - Chicago, IL
03/2000 - 10/2001
Network support administrator for 600 banking partners. Analyzed Windows NT servers for usage and performance. File server administration and support. Create, modify, delete users’ accounts and assigned network rights. Worked with project planners to develop departmental upgrades. Perform workstation & laptop builds utilizing Windows 95, 98, NT 4.0. Support company standard application software install & configurations. Support custom database applications utilizing MS SQL & ODBC configuration setups. Support email utilizing MS Exchange / Outlook. Performed user service & support utilizing MS SMS 2.0.
Tek-Systems . - Consultant
Loyola University - Chicago, IL
06/1999 - 02/2000
Migrate current servers from NetWare 3.12 to Netware 5 Built and installed NetWare 5 servers to current server matrix. Built and installed Windows NT 4 servers Upgrade Meridian CD server. Support 200+ workstations and 15 HP laser printers on network utilizing NDPS Upgrade MS Office 97 to MS Office 2000. Setup, import and configure Outlook 2000 Build and install a new Dell 2900 NetWare 5 server to the current server matrix.
TEK Systems - Consultant
Hull Trading - Avery - Chicago, IL
05/1999 - 06/1999
Perform Window NT Server and Network evaluation. Implement network security for resources and users. Implement Network updates and install service packs. Perform setup and installation of new Dell workstations/portable computers. Configure operating system and network software. Install all company specific applications and email client software. Migrated 220 email users from Netscape Email server to Exchange 5.5 server. Upgraded MS Office 97 to MS Office 2000. Analyzed network servers for usage and performance. Created user accounts and assigned network rights.
Owner - Project Manager
Digitron Corp - Lansing, IL
11/1985 - 05/1999
Design & install new computer network for parking facility. Installed parking revenue control system for airport install and integrate multiple networks based on Dec PDP-11/44, NetWare 4.x and Windows NT 4 Install bridge/routers for WAN utilizing ISDN & leased lines Administer 70 node network Managed 9 Electronic Engineers on staff to support facility.
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