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Darrell
mr.dmiller79@gmail.com
904-510-9636
2255 W. 1st Street
Jacksonville, FL 32209
17 years experience W2
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Summary

Experience
Sr Network & Systems Engineer
Information Technology
Sep 2018 - Dec 2020
  • Maintain computing environments (HQ Datacenter etc.) by identifying system requirements installing upgrades and monitoring system performance and availability. Heavy focus on Windows infrastructure components and projects dealing with XenApp Citrix, Microsoft Exchange, Windows Servers, Sophos (antivirus and File Encryption), Open DNS, Symantec Message Gateway, and other associated technologies.
  • Perform changes to Infrastructure which include, Setup of Fortinet firewalls and Switches, Implementation of HPE SimpliVity hyper-converged system.
  • Active Directory & Exchange 2016 administration.
  • Managed, Configured, and Administrated Citrix Xen 7.5 Environment
  • Configured VPN connections for all remote locations (140 locations) which use Cradlepoint firewalls.
  • Lead project and performed configuration to migrate all VPNs off hosted VPN connections to our in-house managed network environment.
  • Provided remote support to all stores that include all technologies onsite (POS systems, Verifone devices, Printers, Network, etc.)
  • Participated in new store builds and setup.
  • Administered Navision POS software a component of Microsoft Dynamics.
  • Server Builds using VMware.
  • Build test/lab environment for the company to begin using MECM (Microsoft Endpoint Configuration Manager)
Citrix Data Center Database Upgrades DNS Firewall Malware Microsoft Exchange MS Active Directory Switches System Requirements Systems Engineering VMWare VPN Windows Windows Server Xen XenAPP Server Builds MS Visio MS Dynamics 365 Printers POS Software FOCUS
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Plant Technology & Systems Engineer
Information Technology
May 2018 - Aug 2018
  • Installation, configuring and troubleshooting Windows Server 2012/2016 in physical, virtual (Nutanix devices included), and Azure environments.
  • Travel to remote locations around the globe to build infrastructure from the ground up ‐ Install servers, desktops, laptops, firewalls, wireless access points, routers, switches, printers, UPS’, VPN phones, Source and install needed local ISP for plant contracts, I.E. Satellite, DSL/ADSL, Fiber, WiMax, Microwave point‐to‐point, 3G.
  • Maintain, configure, troubleshoot, and planning of onsite Avaya telephony system.
  • Active Directory administration.
  • Deployed updates and images via SCCM. Troubleshooting and fixing PowerShell scripts used in SCCM.
  • Manage and administered office 365
  • Performed network admin duties maintaining Fortinet and Extreme devices at HQ.
Desktops Fiber Optics Firewall MS Active Directory MS Azure Nutanix Office 365 PowerShell Routers Switches Systems Engineering VPN Windows Windows Server Xtreme Wireless Problem Solving ISP IMAGE DSL Avaya Laptops Telephony Printers
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Sr. Systems Engineer
Information Technology
Jun 2011 - Feb 2018
  • Maintain computing environments (HQ, Datacenter, etc.) by identifying system requirements, installing upgrades, and monitoring system performance and availability. Heavy focus on Windows infrastructure components and projects dealing with XenApp, VMWare, Hyper-V, Citrix, AWS, Azure, Microsoft Exchange, Office 365 migrations, Microsoft SCCM, Windows Server, and other associated technologies.
  • Planning, Deployment, Implementation, Configuring, Troubleshooting and Administrated Citrix environments for different clients, in onsite and offsite Datacenters (example CSX AITC)
  • Establish system specifications by conferring with users analyze workflow, access, information, and security requirements assist in designing system infrastructure.
  • Provide in-depth investigation, analysis, and a timely resolution of client issues and problems
  • Manage and administer a Microsoft Exchange infrastructure, including Mailbox creation, deletion, moves, PST's, Outlook client configurations, etc.
  • Deploy Virtual Desktops to end-users using XenDesktop and VMWare, in conjunction with Provisioning server in both Standard and Private Image format.
  • Provide a clear, well-documented description of problems that require technical fix or resolution
  • Support and troubleshoot client environments and application issues related to product implementation and operation
  • Maintain, configure, troubleshoot, and Planning hosted and onsite telephony systems.
  • Configure, test, maintain, and troubleshoot end-user workstation hardware, software, networked peripheral devices, and networking hardware products
  • Provide primary installation and configuration support for enterprise products to new and existing customers
  • Microsoft Windows multiple platforms, 2003-2012r2 Active Directory, Group Policy, CIFS, replication, FSMO's, IIS, (S) FTP, DFS, etc.
  • Administered SCCM versions and builds (also performed SCCM system updates), deployed software, device images (for laptops, PCs, & servers), and system Patching via SCCM for EI HQ and Clients. Troubleshooting and fixing PowerShell scripts used in SCCM.
  • VMWare experience with deploying and maintaining virtual machines, DRS, HA, and vMotion and vCenter
  • Responsibility implementation, administration, and troubleshooting Security devices and Software (CISCO, Fortinet, Barracuda, Astaro, SonicWALL, WatchGuard, Juniper, etc)
AWS Cisco Citrix Data Center Database Upgrades DFS FTP HA Hyper-V IIS Juniper Microsoft Exchange MS Azure Office 365 PowerShell System Requirements Systems Engineering vCenter vMotion VMWare Windows Windows Server XenAPP XenDesktop Laptops Analysis FOCUS IMAGE PCS Problem Solving
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IT Director
Information Technology
Nov 2009 - Mar 2011
  • Manage All Information Systems and Communications activities for three National Companies
  • Project manager for evaluation and replacement of Point of Sale Software and Warehouse Management
  • Supervise Helpdesk and Desktop Support functions at 37 sites in 14 states.
  • Prepare long, mid, and short-range strategic plans
  • Designed, Built, and Maintained nationwide WAN utilizing MPLS, T1, VPN, VOIP, and 20Meg Ethernet Services.
  • Supervised all aspects of telephone systems from PBX(VOIP AVAYA IP OFFICE) installation to monthly billing reviews
  • Researched and reviewed web-based training applications and presented a business plan to the company president for approval.
  • Project manager and Technical Director to implement web-based training hardware and software
  • Managed deployments and patches using SCCM 2007 for all companies under the Centre Corp Umbrella.
  • The sole support for 21 Windows servers 2003/2008 and HP MSA san systems including Microsoft Active Directory, IBM Maximo, Websphere, WINS, DNS, SQL Exchange 2003, VERITAS Backup exec, Citrix Meta Frame and two MS Terminal servers
  • Designed and Direct the business continuity and disaster preparedness strategy and procedures
  • Perform design, capacity planning, installation, configuration, management and administration of enterprise-level Information Technology system
  • Create, implement and review security policies for 4 companies.
  • Direct support at Corporate Headquarters for 450 employees at 37 remote offices in 14 states and 4 time zones
  • Continuously implementing improvements to all Information Systems policies and procedures
  • Extensive experience with Microsoft Exchange Versions 5.5 thru 2003
  • Moderate Microsoft SQL 2000, SQL 2005 and Pervasive SQL experience. (upgraded SQL 2000 to SQL 2005)
Configuration Management Project Management WINS Windows Server Windows WAN VoIP SQL 2000 SQL MS SCCM MS Active Directory MPLS Microsoft Exchange Maximo IBM WebSphere HP CSA Ethernet Desktop Support Citrix Capacity Planning Warehouse Management Avaya Billing
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IT Manager
Information Technology
Oct 2008 - Nov 2009
  • Manage all Systems Hardware and Software, including planning, purchasing, installation, configuration, & maintenance.
  • Ongoing maintenance and security of all hardware and software. Diagnose any and all system problems.
  • Install and configure all new hardware and software, and become proficient in the use.
  • Manage network and provide WAN/LAN connection to all workstations. LAN Design, Implementation & Maintenance
  • Provide support for all system‐wide applications. Provide remote support and assistance.
  • Train and assist staff in the operation of both hardware and software.
  • Cultivate and maintain professional relationships with consultants, vendors, and user groups.
  • Recommend new office technologies to assist staff in achieving the Association's goals.
  • Coordinate with the Director of Administration to schedule and supervise information systems activities.
  • Security and integrity of computer-based systems; develop and manage a disaster recovery process for all data.
  • Server as System, Network, and Telephony Administrator. WAN/LAN/Desktop/Voice Network Configuration
  • Establish and maintain effective working relationships with employees, vendors, clients, and public
  • Telephony Norstar Voicemail, Cinphony ACD System admin.
Project Management WAN Telephony Disaster Recovery
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System Engineer/Microsoft Engineer
Information Technology
Mar 2005 - Jul 2008
  • Provides administration for all corporate and remote servers & hardware support for an HP infrastructure.
  • Designs, builds, and tests systems, communications equipment, and layout for each project
  • Maintenance and software support for Windows 2003 Server.
  • Maintains and supports Enterprise components (SMS 2003, Active Directory, Exchange, MS Clustering, IIS, & DNS/DHCP)
  • Performed NetOps Technical support to offices system users remotely, via telephone, or on-site.
  • Maintains and Supports Cisco Internetworking (WAN, LAN, Telephony, VPN's, VLAN, Wired and Wireless LAN'S)
  • Cisco Call Manager VOIP (Phone, virtual extension, ATA setup, and configuration), Cisco Unity (setup and configured mailboxes).
  • IT hardware and software assistance, including printing, installation, office productivity, electronic mail, and OS’s
  • Knowledge and experience with technical security practices and patch deployment.
  • Service and configured computer hardware and networks, installed computer software & application
  • Desktop and Laptop repair and refurbishing. Handle telephony installs.
  • Provided computer training and distribution of computer products.
  • Regular operation of Windows & Linux server systems (Suse, Fedora, MS Exchange, 2000 & 2003 Server Editions)
  • Perform Daily Citrix Infrastructure management. Maintained Disaster Recovery processes.
  • Setup of computer monitored surveillance systems and time clock systems.
  • Handle office rebuilds and relocations. Also set up training facilities and other field tech duties.
  • Ensured the stability and integrity of in‐house voice, data, video, and wireless network services
  • Perform duties of but not limited to a PC Tech., System Admin, Network Admin., and Telecom Admin.
  • Establish and maintain effective working relationships with employees, vendors, clients, and public
Cisco Cisco Unity Citrix Disaster Recovery DNS Fedora IIS LAN Linux Microsoft Exchange MS Active Directory Systems Engineering VoIP VPN Windows Wireless Networks Infrastructure Management HP Employ Clustering Wireless Windows 8 Windows 2003 Training Telephony Technical Support Database Maintenance
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Supervisor Application
Information Technology
Jul 2004 - Feb 2005
  • Responsible for testing and monitoring of the Florida and Meriden VOIP, ACD, IVR, and Trunks through the Avaya CMS Supervisor Application.
  • Assisted in national 1800Medicare migration. Handled IVR (Interactive Voice Response) testing and modifications.
  • Performed monthly budget analysis.
  • Monitor, Analyze, and Design custom reports with the Avaya CMS Supervisor Application.
  • Create and Maintain Agent Groups for the Medicare Customer Service Call Centers within the Avaya CMS Supervisor® Application.
  • Accountable for the completion and writing of Technical Reports, including sops for data retrieval and reports.
  • Serve as the Website Content Contributor for Departmental Intranet Site.
  • Administered the Workforce Management Web‐based Departmental Survey with Incepture Knowledge Creator Software.
  • Served as an IT Subject Matter Expert for the Windows XP Migration.
  • Build and manage relationships with customers/agencies both internally and externally.
  • Serve as a Jr. Project lead and an Auditor on several project initiatives.
Workforce Management Windows XP Windows VoIP IVR Customer Service Call Center Avaya Auditing Analysis ACD Medicare
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Edit Skills
Non-cloudteam Skill
Education
Certifications
Newhorizon cisco CCNA classes
ITIL certification
Skills
Windows
2020
14
Citrix
2020
13
Microsoft Exchange
2020
13
Systems Engineering
2020
12
Cisco
2018
10
IIS
2018
10
Windows Server
2020
10
Data Center
2020
8
Database Upgrades
2020
8
FOCUS
2020
8
System Requirements
2020
8
VMWare
2020
8
XenAPP
2020
8
Analysis
2018
7
MS Active Directory
2020
7
AWS
2018
6
DFS
2018
6
FTP
2018
6
HA
2018
6
Hyper-V
2018
6
IMAGE
2018
6
Juniper
2018
6
Laptops
2018
6
MS Azure
2018
6
Office 365
2018
6
PCS
2018
6
PowerShell
2018
6
Problem Solving
2018
6
vCenter
2018
6
vMotion
2018
6
XenDesktop
2018
6
DNS
2020
5
VoIP
2011
5
VPN
2020
5
Disaster Recovery
2009
4
Telephony
2018
4
Cisco Unity
2008
3
Clustering
2008
3
Database Maintenance
2008
3
Employ
2008
3
Fedora
2008
3
HP
2008
3
Infrastructure Management
2008
3
LAN
2008
3
Linux
2008
3
Technical Support
2008
3
Training
2008
3
Windows 2003
2008
3
Windows 8
2008
3
Wireless
2018
3
Wireless Networks
2008
3
Avaya
2018
2
Firewall
2020
2
Malware
2020
2
MS Dynamics 365
2020
2
MS Visio
2020
2
POS Software
2020
2
Printers
2020
2
Project Management
2011
2
Server Builds
2020
2
Switches
2020
2
WAN
2011
2
Xen
2020
2
Billing
2011
1
Capacity Planning
2011
1
Configuration Management
2011
1
Desktop Support
2011
1
Ethernet
2011
1
HP CSA
2011
1
IBM WebSphere
2011
1
Maximo
2011
1
MPLS
2011
1
MS SCCM
2011
1
SQL
2011
1
SQL 2000
2011
1
Warehouse Management
2011
1
WINS
2011
1
.NET
0
1
ACD
2005
1
Adobe Creative Suite
0
1
Auditing
2005
1
Call Center
2005
1
Continuous Deployment
0
1
Crystal Reports
0
1
Customer Service
2005
1
Data Replication
0
1
Database Backups
0
1
Desktops
2018
1
DSL
2018
1
Fiber Optics
2018
1
ISP
2018
1
IVR
2005
1
Medicare
2005
1
NAS
0
1
Nutanix
2018
1
PHP
0
1
Routers
2018
1
SAN
0
1
Scripting
0
1
Storage Management
0
1
TCP/IP
0
1
Windows XP
2005
1
Workforce Management
2005
1
Xtreme
2018
1
Seminars and Training
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