Darrell Leonhart Email & Phone Number

Mena, Ar, Us

St. Louis, Mo, Us

Network Engineer III specializing in government clients.Work customer tickets across 40+ data centers. Cisco ASA/X/5585FortigatePalo AltoCheckPointJuniperASR, ICXIOS, IOS-XRArista EOSOSPF, EIGRP, BGPLAN/WAN/SDWANAnsible (Basic)\Python (Basic)DWDM, FiberMicro SegmentationSpine\Leaf Design and ManagementEVPN, VxLANNSX-V, NSX-T, vSphere, ESXi, vCenter, vCloud, Distributed SwitchesAzure NetworkingF5, Kemp, Brocade\Pulse, NSX Load Balancers

St. Louis, Mo, Us

Network Engineer III specializing in government and high-touch clients.Work customer tickets across 40+ data centers. Cisco ASA/X/5585FortigatePalo AltoCheckPointJuniperASR, ICXIOS, IOS-XRArista EOSOSPF, EIGRP, BGPLAN/WAN/SDWANAnsible (Basic)\Python (Basic)DWDM, FiberMicro SegmentationSpine\Leaf Design and ManagementEVPN, VxLANNSX-V, NSX-T, vSphere, ESXi, vCenter, vCloud, Distributed SwitchesAzure NetworkingF5, Kemp, Brocade\Pulse, NSX Load Balancers

St. Louis, Mo, Us

Network Engineer III in Managed Services.Work customer tickets across 40+ data centers. Cisco ASA/X/5585FortigatePalo AltoCheckPointJuniperASR, ICXIOS, IOS-XROSPF, EIGRP, BGPLAN/WAN/MANDWDM, FiberMicro SegmentationNSX, vSphere, ESXi, vCenter, vCloud, Distributed SwitchesAzure NetworkingF5, Kemp, Brocade\Pulse, NSX Load Balancers

St. Louis, Mo, Us

• Install and troubleshoot data center equipment, customer and TierPoint network devices• Network configuration of multiple types of equipment• Configure various types of Cisco equipment: 6500, ASR, 4507, 3850, 6880, 6880ia, etc.• Install and configure firewalls including Cisco ASA 55xx, FortiGate, Checkpoint, Palo Alto and Juniper• Meet with customers, analyze their needs and propose solutions including onsite upgrades, network redesigns and cloud solutions utilizing VMware. • Create SOW for project and provide customer with details of SOW for project. After approval, scope out entire process from start to finish including all details, steps and processes. Follow to completion. Project Implementation and preventive maintenance• Ability to work with numerous customers at all levels-Corporate, SMB, Enterprise, etc.• Perform monthly updates and patch cycles for clients. Perform changes for customers’ on-site equipment, DNS, AD, firewall and rack equipment when requested by customers• Build servers (P and V), install network equipment, document networks, plan and design• Data Center upgrades, redesign, network configurations and network mapping• TACACS, RADIUS and AD authentication setup and maintenance• Network Administrator for clients with professional services contract• Project design, project implementation, project hand-off and managing of environments• Project Life-cycle: Initiation, Planning, Execution, Control and Closure

• Direct day to day operations for the casino IT department in two locations.• Manage employees and direct them when needed. Plan for future needs and maintain current network and Active Directory topology across sites.• Supported two casinos 45min apart with 250+ Users.• Managed, trained and guided IT employees and assigned work and projects• Oversee entire IT infrastructure, systems implementations, upgrades and maintenance • Upgraded and installed Windows 2003 Active Directory Domain to Windows 2008 R2• Upgraded and installed Exchange 2003>2007>2010• Troubleshoot desktop issues, including printers, malware, application issues, internet and user tickets in a 24/7 environment• Installed and maintained network printers, file servers, Active Directory, Exchange, SQL, Cisco and SonicWALL routers, Cisco and Netgear switches.• Created backup and restore procedures, and created network and system documentation• VMware ESXi 4.1 and 5.5 installation and configuration on HP DL 380 G7 cluster• Supported Windows 7, XP and Windows Server 2003/2008 R2/2012 Environment• Configured and managed Cisco 6509 and 2800 Series Routers• Configured and managed Cisco 3560G and 3750X Series Switches• Designed and deployed IT network architecture including VLAN, VPN and routing• Designed and configured patch panel and rack design and installation. • Setup, maintained and monitored RAID configurations, SYSLOG and RADIUS• Designed and maintained entire GPO scheme• Utilized excellent customer service skills along with strong analytical and problem solving skills• Built, deployed and maintain Windows 2008 print server

Us

• I was the only IT person for the entire company for 2 years, 24/7 (Very reliable)• Supported 200+ Users across 5 states (12 remote sites+ 1 Corp building) including a 28-seat 24/7 call center and a 10 seat dispatch at a remote site• Worked independently, created work processes and managed all IT services and procedures• Utilized excellent customer service skills along with strong analytical and problem solving skills• Installed Windows 2008 R2 Active Directory Structure, DNS structure, phone system and office connecting routers• Oversaw all infrastructure, application and systems implementations, upgrades and maintenance• Managed and maintained existing network including VPN’s, VLAN’s, routing and switching• Configured and managed Cisco 3750G switches for customer fibers coming in and going out to remote sites segmenting using VLANs and private VLAN’s• Supported Windows 7, XP and Windows Server 2003/2008 R2• Designed and troubleshot entire GPO scheme• Experienced with SCCM 2007• Utilized excellent customer service skills• Provided desktop support including drive mapping, network printers, adding computers to domain, replacing computers, monitors, UPSs, Cisco Phones, hard drives, and memory • Created automated solutions allowing me to centralize all IT services and support • Managed printers connected to Windows 2008 print server

Bentonville, Arkansas, Us

Worked various postiitons at Walmart. Work from the floor crew up to backroom Supervisor 2nd Shift.Responsible for managing employees loading and unloading of trucks and freight.Managed 6 employees.

Atlanta, Ga, Us

Field Installer\Field Technician Mentor\Trainer in field

Various jobs for companies. BP Amoco, Williams, World COM, RHIC, Manpower, Payless and many, many more.Duties range from, router installs, computer installs, windows 2000 rollouts, LAN/WAN work, telephone systems and much more.

Build and package computers, laptops and servers.

Arlington, Virginia, Us

MLRS crewmember

Bachelor Of Science - Bs, Network Operations And Security

Associate Of Arts (A.A.), Business Foundations