Network Administrator Network Engineer System Administrator

DARRELL M. LAW

acsi93@r.postjobfree.com

**** ****** ****

Capital Heights, MD 20743

240-***-****

PROFESSIONAL SUMMARY

Talented systems administrator offering four years of experience in a Linux environment and expertise in several flavors of Linux including Red Hat, and CentOS. Outstanding track record for Troubleshooting Linux Servers and Networks related problems. Experience in installing, configuring and managing Linux Servers. Often sought out to resolve complex technical problems.

Network Security Network Infrastructure Oral/Written Communication

Training Configuration/Installation Project Management/Leadership

In-house support Remote support Design/Test/Monitor/Imaging

TECHNICAL SUMMARY

Worked with CenOS Linux 6.7 and version 7, Redhat Linux 6.5 and 7, Windows7, Windows 8 and MAC OSX Administration.

Tested administrated, and configured, CentOS, Red Hat Linux Windows/2008/2012 Servers.

Configured and managed, TCP/IP, DHCP, and Static servers.

Internet Information Server (IIS), Domain Name Service (DNS), Apache Web Services

Experience using Microsoft Office 2010 and Office 20013.

Configured, managed VMware VSphere 5.5, Vcenter 5.5, VMotion 5.5 and Operation Manager 5.5, Symantec Netbackup and Veeam Backup V8 Software.

Used the following applications and management tools: Arcserv for Windows Servers, Symantec Backup Exec 2012, Symantec Ghost 14.0 Cisco VPN Client Software,

Configured Verizon, T-Mobile Blackberry and Desktop Client Software.

Experience using Bash Shell, PowerShell and VMware-PowerCLI Scripting Tools.

WORK EXPERIENCE

Boakos Ventures Largo, MD. 3/2015 – Present

System Administrator (Contractor)

Serve as a System Administrator for a six-member IT team in configuring, troubleshooting and maintaining Linux VMware 5.5 infrastructure for a mid-sized Web and Remote Servers services company. Provide ongoing management, performance-tuning and Tier3 support for approximately 500 Virtual Linux Servers running CentOS 6.7, Red Hat Linux 6.5 Enterprise, and about 100 Physical servers such as Dell Power Edge, and HP ProLiant Servers. Other duties, performed:

Managed and Supporting VMware Virtual Environment: Provides the day to day management and support for the VMware Enterprise Network that consisted of a Vcenter 5.5 Server Appliance, a Datacenter and several Clusters. Managing the log files.

Monitor Performance and utilization of all the Virtual Machines, using Solarwinds

Virtualization Manager Tools Version 6.2. Managed spaces on the Datastores by deleting old files. Updating Virtual Server, Templates with the latest patches and updates.

Making Snapshots of all the before and after updating Virtual Servers. Backing Up the Virtual Environment, using Veeam Backup V8 Software. Created new Linux Virtual Servers. Managed updates by using VSphere Update Manager Tools.

Provisioning Servers – Patching, security updates, install applications, create local accounts, create share Directory, access rights to folders, mount drives and make a snapshot of the virtual server. Enforce Password Polices. Performed Red Hat Linux Server Updates from Redhat Satellite Server. Backup Physical Servers using Symantec Netbackup.

Hardware Management: Configured Server Raid 5 for fault tolerance. Add additional memory to servers. Replace or add network cards, iscsi cards, and update the Firmware.

Application Management: Responsible for installing/supporting Linux, Apache Web Server, Mysql, Pnp, Nagiosix, and Spacewalk. Created Linux Scripts using Bash Shell Script. Install and configured CentOS 6.5 and Red Hat Linux 6.7 ISO. Install and support Tomcat version 6 application. Configured and support DNS, and DHCP services. Job Scheduling and Automating process using CRON.

Account Management: Creating new accounts, change passwords, assigned users to groups and enabling and disabling accounts.

File Management: Creating files, directories, assigned permission to files or directories, assigning groups or users to files or directories, achieves and zip files or directories. Delete old files and directories. Editing files, using nana, vi, or vim editor.

Disk Management: Configuring disk using Fdisk, LVM, and mount and unmount disks using fstab.

Trouble Shooting and Support: Monitoring & troubleshooting with performance related issues using tools such as Top, Solarwinds, DF, DU, Kill PID, and reviewing the log files

Monitoring system logs and root's email for important messages such as errors and warning.

Resolve networks connectivity issues, using nslookup, dig, Nagios, and ping. Resolves tickets using Remedy Ticketing System.

Aljazeera America (New Agency) Washington, D.C. 7/2014 – 3/2015

System Administrator (Contractor)

As a System Administrator I am responsible for troubleshooting, maintaining and implementing solutions to optimize the infrastructure operations. Analyzes and identifies all or part of a company's existing or new computer (and/or server), peripheral, network, and telecommunications systems requirements, taking into consideration the special technology needs. Establishes functional and technical specifications, solves hardware/software interface problems. Provided Network and Desktop Support for about 55 onsite clients. Other responsibilities include the following:

Troubleshoot Server, PCs, Notebooks, and Cell Phones issues.

Installed and managed Windows XP, Windows 8, Mac Apple X, and Windows

Servers 2003, 2008, and 2012.

Provides general Microsoft Windows AD management and LAN administration.

Specialized support, troubleshooting and problem resolution in Exchange 2007 Email, Google Chrome and MS Internet Explorer. Configured client Outlook 2007 Profile for Exchange 2007.

Managed Exchange 2007 Server, duties consisted of Managing User Accounts, Public Folders, backing up the Exchange Server, managed the Mailbox Stores and Public Folders Stores, using Symantec Netbackup.

Monitor and configured computers performance, inventory, and updates, using Microsoft SMS 2000.

Provide basic Network Administrator duties, such creating, deleting, and managing user accounts.

Supported Applications such Avid, INews, and Interplay Access.

Backup Vmware environment using Veeam Backup and Replication Software.

Configured and supported Cisco VPN Client Software.

Installed and configured Verizon Wireless Network and Air Cards for client Notebook.

Configured Cisco Aironet Wifi Adapter and Access point for client notebook.

Managed client Citrix remote connection and Server.

Managed and configured Ethernet Switches.

Created Images for Desktops and Notebooks, using Symantec Ghost version 11.0

Installed, upgrade, and patching of network hardware, and software components as needed.

Maintain internal VPN, user accounts, security and troubleshoot performance issues.

Maintain the LAN and WAN connections.

Respond to network related problems in a timely manner.

Perform network backup and disaster recovery, using Symantec Netbackup.

Participate in the development of IT policies, procedures and resources related to the network.

Assist in installation and imaging of computer systems for end-users.

Assist in installation of end-user software.

Manage VMware Virtual Servers using VSphere and Vcenter.

Monitor the Firewall, for unauthorized intrusion.

Configured and audit routers, switches, servers, and firewalls according to Company Standards.

Carlton Fields & Jorden Burt LLP, (Law firm) Washington, D.C 2/2011-6/2014

Network Administrator

Provide network technical support for the DC and CT office. I assist the IT Director, Miami’s network administrator, technology committee, and end-users. I installed, upgrade, and patching various software and hardware systems including Exchange 2007, I managed, Blackberry, Citrix, Xenapps servers, IronPort anti-spam servers, Symantec anti-virus servers and Windows ISA servers on a Windows 2003/2008 platforms. Maintain internal VPN, user accounts, security and troubleshoot performance issues. Configured and manage VMware, HP Blade, Proliant servers, HP MSA storage units, Dell Power Edge server and Dell storage units. Maintain the LAN and WAN connections. Respond to network related problems in a timely manner. Supported Applications such as Autonomy Imanage DeskSite Document Management, Workshare Compare, E-Transcript Viewer, PayneGroup Metadata Assistance, WestLaw, LexisNexis, and Concordance. Perform network backup and disaster recovery Perform network backup and disaster recovery, using Symantec Netbackup. Participate in the development of IT policies, procedures and resources related to the network. Provides general Microsoft Windows Domain management and LAN administration and specialized support, troubleshooting and problem resolution. Provided desktop support as needed.

D.C. Child Support Services Division, Washington D.C. 7/2008- 2/2011

Network Engineer/Security Specialist

Assigned to The Child Support Services Division, Washington D.C. Office as a Network Administrator, I provide the day to day management and support Fifteen Windows 2003 servers, 2 2008 Servers, and a Citrix Farm that consist a four Citrix Virtual Servers running under two VMWare ESX 3.5, for The District Of Columbia Child Support Services Division

Review Servers, Firewalls and Routers logs for any security issues such as unauthorized access, logons, and intrusion attempts onto our Citrix Servers as well as our internal network Servers.

Manage backup servers ensuring successful completion of nightly backups.

Managed, monitor and trouble shoot network issues, using HP Openview, and LanScan NetQos, Netflow, and Dell Open Manager. Configuring, managed, and implemented NetQos Monitor Performance Console tool, for monitoring all in house applications performances.

Configured, Managed Dell PowerVault NX3000 NAS, and Dell EqualLogic PS4000 ISCSI Server. Perform network backup and disaster recovery Perform network backup and disaster recovery, using Symantec Netbackup.

Affinity Network Solutions Inc., Washington, D.C. 7/2007- 7/2008

Senior Network Engineer/Client Support Specialist

As a Senior Network Engineer for Affinity Network Solutions, Inc, I was responsible for making recommendation for designing, installing and testing our new customer Network Infrastructure. I also was responsible for ordering and configuring the DSL or T1 Lines, Routers, Firewalls, Switches and Servers. I provide in House support and off site support for Affinity Network Solutions, Inc office and clients. In-house support including providing Network Administration, managing, supporting in-house as well as remote site customers, Microsoft Windows Active Director Domain, printers, Sonicwall Pro 100 Firewall/Router, Cisco Pix 501, 505 and 515 Firewall/Router,,Resource Servers and Clients Citrix Servers.

Reuters America (News Agency) Washington, D.C. 1/2003 – 7/2007

Network and Desktop Support

Level II Network and Desktop support in a large Enterprise Network. Duties included:

Troubleshoot PCs, laptops, PDA and peripherals.

Installed and managed Windows 95, Windows 98, Windows XP Pro, Red Hat Linux 6.5 Servers and Windows 2000 Pro Workstations and Servers.

Provides general Microsoft Windows Domain management and LAN administration and specialized support, troubleshooting and problem resolution in Lotus Notes Database and Exchange 2000 Email, Netscape 4.7 and MS Internet Explorer. Configured client Outlook 2000 Profile for Exchange 2000.

Certifications:

Microsoft Windows 2003 Professional and Microsoft Windows 2003 Server Microsoft Certified Professional (MCP) 2003 Certifications 5/2006

Cisco Certify Network Associate (CCNA) – 4/2002

Microsoft (MSCA) Windows 2003 Training, Intellinet Corp. Atlanta, GA - 2005

Novell 4.0 System Administration Training, Fort Dix, NJ

Solaris 9 Unix Administrator, CentOS Linux and Red Hat Linux 6.7 Training Courses.

Education:

University of the District of Columbia, Washington, D.C - Computer Science 1981

MILITARY

Computer Specialist U.S Army - Fort Dix, NJ 1983 - 1990

Contact this candidate