John F. Grimes IV

**** *** **., **********, ** **065 Cell: 972-***-****

Summary

A Senior Infrastructure System Administrator with 10+ years in analyzing, designing, and implementing system infrastructure. To implement various enterprise applications and systems. A position with a progressive, growth-oriented, yet stable corporation where my knowledge and interests will allow me to influence the direction and application of new technologies in solving enterprise challenges.

Professional Experience

Sierra Auto Finance (Dallas, TX) 9/12 – Present

Sr. Systems/Network Administrator

Designed, installed and maintained entire primary network/server infrastructure including all facets of hardware/software

VMWare ESXi 5, ESX 5.1, ESXi 6, ESXi 6.5 – Installation and configuration of 50+ servers

Install/maintain physical and virtual VMWare Environment 50+ servers

Install/maintain fiber switches for SAN Array

SAN installation and configuration (Tegile hardware)

Server installation and maintenance for 15+ physical servers

Backup, restore, and configure administration using Veeam Backup

Installation/configuration PRTG and SolarWinds for network monitoring

HP server installation/configuration for physical server infrastructure

Maintained current firmware on HP hardware through the utilization of HP iLO software

Assisted Helpdesk staff of three with Tier II/III issues for 200+ employees

Data center migration experience (From previous Colo to current Colo.)

Installed hardware of primary/secondary Colo locations

Installed domain controllers for two separate domains

Installation/maintenance of Active Directory for multiple domains

Windows 2003/2008/2012/2016 administration

Windows 7, 8, 10 administration

Windows AD, DHCP, DNS, GPO, Certificate Authentication

Assisted Development staff with VMWare guest design, including processor and storage needs

Worked with various vendors to maintain/upgrade/replace aging equipment

Installed SQL 2004, 2008 R2, 2014 for development/primary business functionality

Designed primary IP infrastructure for enumeration of servers/additional hardware

Administration of ShoreTel VOIP phone system including user setup and hardware assignment

Designed layout of Juniper switches (EX2200, 4300) in main headquarters and Colo

Wrote initial Juniper switch configurations using JUNOS operating system

Maintained firmware updates for all switches

Installed Juniper SRX220 firewall

Installed Fortinet 200D firewall

Windows IIS, SharePoint

Installed/configured Exchange 2013 server

Upgraded to Exchange 2016 server

Participated in migration from server-based Exchange to O365 with partner organization

Installed configured Spiceworks ticketing system for helpdesk ticket tracking and reporting

Optimized WSUS 3.0 to facilitate server and user operating system upgrades

EFG Companies (Irving, TX) 01/08 – 09/12

Network/Systems Administrator

Installed VMWare ESXi 5 to migrate physical infrastructure

Using P2V, converted 90% of existing EFG server infrastructure to virtualization

Replaced aging switch infrastructure to newer Juniper equipment

Upgraded Exchange Server to 2010.

Administrated Exchange Server 2007, 2010

Configured new HP Storagework arrays

Installed HP Storagework arrays at Colo

Windows XP, 2000, 2003, 2008, 2012, 7, 8

Ensured consistent backups using Dell Backup solution to HD and tape backup media

Reduced printing expenses company wide by 40% by consolidation and determining better departmental usage

Replaced aging wireless network switches

Worked with Verizon regarding all cellular related telephony for company

Installed/Configured Blackberry server

Managed project for upgrade of all user hardware including desktop and laptop equipment

Primary point of contact for all Helpdesk related concerns/issues

DDMS Technologies, Inc. (Ft. Worth, TX) 06/06 – 01/08

Technical Support/Business Consultant

Point of contact for all support related issues for customers (primarily office supply and furniture dealers) using the proprietary DDMS software

Troubleshoot SQL, FoxPro back end databases

Repaired corrupt file for DDMS software installations

Assisted customers in day, month and year end financial calculation procedures

Converted FoxPro databases and transferred information to newer SQL databases

Basic account balancing for customers

WCOIL, Inc. (Lima, OH) 12/04 – 06/06

Network Technician/Administrator

Design/Install/Troubleshoot customer needs for networking for home and small business

Experience with SNMP, TCP/IP, HDLC, PPP, PPPoE, SONET, ATM

DSL and network installation including wiring, filters, switches, routers, and modems

Administration of Exchange Server and Outlook clients

Additional client support for Eudora and Thunderbird

Email specific technologies IMAP, POP3, SMTP

VOIP installation and initial administration

Prior work experience and references available upon request

Additional: A+ Certification

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