Christopher walker

*** * ******* ***. ******, CA 92867 C: 424-***-**** H: 714-***-**** acuzgy@r.postjobfree.com

Summary of Qualifications

Accomplished systems administrator with 12 years of experience managing server infrastructures and data-center operations across multiple platforms (Unix, Linux, and Windows). Effectively plan, install, configure and optimize the IT infrastructure to consistently achieve high availability and performance.

Proven ability to create and deliver solutions tied to business growth, organizational development and systems/network optimization. Skilled problem identifier and troubleshooter comfortable managing systems, projects and teams in a range of IT environments.

Experience

11/2014 – 9/2015 Manning & Kass LLP Los Angeles, CA

System Administrator

Responsible for designing, organizing, modifying, and supporting a company's computer systems. Designs and installs LANs, WANs, Internet and intranet systems, and network segments. Make recommendations for future upgrades.

Windows Server 2003, 2008 2012 R2 installation, deployments, troubleshooting and automation.

Monitor ticketing system for new tickets and work-items. Update existing tickets. Maintain hardware inventory control in ticketing system.

Proactively monitor systems health by physically inspecting environment and utilizing provided tools such as SCOM, Troubleshoot server hardware and software issues and escalates accordingly.

Assist as part of a team in building and managing lab environments with complex settings, configurations, topologies, and equipment including servers and various network elements.

Network troubleshooting in complex environments, VLAN configurations, port trucking.

Assist in development, improvement and maintenance of imaging, deployment solution.

Administer multiple disjoint Active Directory Forests, Domains, DHCP, DNS and various other Infrastructure services. Trust relationships setup, DC promo and decommission of AD.

Updates, patching and software installations via group policies (GPO)

Racking and patching equipment as needed.

SAN (storage area networks) and DAS (direct-attached storage) and associated HBA’s (both SCSI and Fiber-Channel) plus Windows Storage server with iSCSI connections.

SQL Server 2005-2008 installation, clustering configuration for Windows Server 2008.

Power shell automation for creation of virtual servers to vhosts.

VMware mixed mode support environment customer test environment.

Analyze and isolate issues. Monitor networks to ensure security and availability to specific users. Evaluate and modify system's performance.

Ensure network connectivity throughout a company's LAN/WAN infrastructure is on par with technical considerations.

Design and deploy networks. Perform network address assignment. Assign routing protocols and routing table configuration.

Exchange 2013 DAG administration, maintenance and troubleshooting.

Assign configuration of authentication and authorization of directory services.

Support LANs, WANs, network segments, Internet, and intranet systems. Ensure network connectivity throughout a company's LAN/WAN infrastructure is on par with technical considerations.

Maintain network facilities in individual machines, such as drivers and settings of personal computers as well as printers.

Administer servers, desktop computers, printers, routers, switches, firewalls, phones, personal digital assistants, smartphones, software deployment, security updates and patches.

6/14 – 10/14 (contract) Amazon Web Services Umatilla, OR

Data Center Engineer

Troubleshooting and repairing servers with hardware and network issues.

Extensive hardware diagnostic and replacement of failed components.

Managed full application stacks from the OS up through custom applications.

Performed systems administration (Linux/Window), network administration (DNS, IPsec, BGP, VPN, Load Balancing), or programming (Java, Perl, Ruby, C#, and/or PHP).

Performed rack installs, along with fiber and power connections.

Performed networking troubleshooting and network hardware replacements.

Performed critical hardware cycle counts and maintained hardware RMA’s.

Performed Switch wipes and firmware upgrades and/or downgrades.

12/12 – 3/14 (contract) Advance Networking Solutions Los Angeles, CA

System Administrator

Responsibilities include:

Provided end user support both remotely and onsite

Managed client's IT infrastructure including Microsoft desktop and server systems, MS Exchange, Active Directory, IIS and Terminal servers. VMware, Switches, Storage devices, Routers, Firewalls, Servers, Workstations and mobile devices.

Created procedures, documentation and reports.

Experience with TCP/IP, DNS, DHCP, Routing, VLAN, VPN, Firewalls and Wireless networks, storage arrays, backups and replication solutions.

1/12 – 11/12 (contract) Relia-Tech Los Angeles, CA

Field Support Engineer

Provided technical support for Windows XP-7, Server 2003/2008, networking and printer support to small business and consumer customers in Los Angeles, Orange, and Ventura Counties.

Installed, maintained, and troubles hooted Microsoft operating systems with emphasis on Windows XP/7, Windows Server 2003/2008, Office 2003/2007/2010:

Microsoft Exchange Server Installation, configuration, maintenance and support.

Provided Active Directory administration of new and existing accounts and peripherals.

Macintosh OS X configuration, hardware and software support.

11/10 – 12/11(contract) AJCCTECH Pasadena, CA

Field Technician

Responsible for maintaining user up-time and improving their computing experiences through effective onsite maintenance and problem identification and resolution activities, as well as growing and developing the organization’s perception with existing customers through exceptional customer service.

Job duties included utilizing service-specific tools and technologies to deliver onsite user support services and update service request information and collaborate and work with other staff and vendor support resources to resolve issues. Overall relationship management and the ability to coordinate required resources to respond to complex IT requirements are desired.

2/10 - 9/10 Media Temple, Inc. Culver City, CA

Data Center Engineer

Terminated new cat 5 and fiber cable runs.

Received new server hardware from shipping, unboxed, added to inventory, setup ILO, installed new Linux Red hat, Fedora, SUSE, Mandriva and Caldera OS images, ran new cabling and racked server in new location.

Assisted in tracking data center issues and keeping company servers alive and running.

Maintained inventory of equipment, records of equipment under warranty, tools, materials on hand and materials on order.

Responded to service requests within service level response goals. Perform critical and non-critical work orders and actively participate in the predictive maintenance program.

2/06 – 1/10 Gemstar - TV Guide Hollywood, CA

Server/Desktop Engineer

Provided 2nd and 3rd level support as well as administration on the following Window System Update Server (WSUS), McAfee e Policy Orchestrator (EPO), Enterprise Configuration Manager (ECM), and RAS, Cisco VPN, MS Exchange Server 2003, Blackberry Client devices and some Admin on BES.

Provided administrative support for 60 HP G4 servers, configuration, management and health of server and network based system.

Lead and supervised junior staff technicians IT, managing IT staff, the procurement, deployment, monitoring, maintenance, upgrade, support, backup, and recovery of all IT systems using VERITAS Net backup for three locations and approximately 3000 users, including servers, PCs, operating systems, hardware, software, peripherals, and telecommunications. Also, performed daily backups from the ADIC tape library and prepared for pickup by outside vendor IRON MOUNTAIN.

Used VMWare to build, configure and maintained virtual environments for production, test servers and workstations.

8/02 – 2/06 (contract) Compuworx Computers, LLC. Long Beach, CA

Field Technician

Provided field technical support for Windows XP, Server 2003, wireless networking HP, Lexmark and Xerox MFD services to small business and consumer at their homes in Los Angeles, Orange, and Ventura Counties.

Installation, maintenance, and troubleshooting of Microsoft Products with Emphasis on Windows XP Professional, Windows Server 2003/2008, Office 2003/2007: Especially Outlook configuration with Exchange.

3/02 – 8/02 (contract) UNX, Inc. Burbank, CA

Desktop/Help Desk Specialist

Essential functions were Desktop break/fix, desktop troubleshooting, desktop system imaging, hardware deployment, software installation/configuration, customer service support.

Built, support and manage Windows 2000/XP Professional/Server deployment processes and software configuration standards across several desktop and laptop models.

Built, supported and managed Act 2000 server.

5/01- 3/02 (contract) Children’s Hospital Of L.A. Hollywood, CA

Desktop Support Specialist

Essential functions were Desktop break/fix, desktop troubleshooting, Ghost desktop system imaging, hardware deployment, software installation/configuration, customer service support.

Heavy application support in Oracle, TDS, STAR, MS Office 2000, Corel WP 8&10, SQL, Right-Fax, Visual Basic, Citrix Client and Docs Open.

Responsible for leading weekly technical training classes for our technicians.

12/00- 4/01 (contract) Sempra Energy Monterey Park, CA

Help Desk Analyst

Provided extensive telephone application support on NT Workstation, Windows 95, Office97, MS Outlook, Internet Explorer and Telecom issues. Resolved customer problems with local and LAN printers.

Remedy call management software was used for ticketing and problem resolution.

5/98 – 12/00 Nestle USA Glendale, CA

Help Desk Analyst

Provided telephone support on NT Workstation, Windows 95, Office97, MS Outlook, IE 4.0, Pc-Anywhere, and Telecom issues. Resolved customer issues with local and LAN printers.

MVS Mainframe Rumba 2000. Rumba AS/400 Administration and support.

Daily average call volume 70-90 with a resolution rate of 91.2% using Tivoli Problem Mgmt.

Education

B.S. Computer Science CSUDH

CompTIA Linux + Certification

CompTIA A+ Certified Professional IT Technician

CompTIA Server + Certified Professional

MCSE Server Infrastructure 2012

MCITP: Server Administrator on Windows Server 2008

MCSE: Desktop Infrastructure

MCITP: Enterprise Desktop Administrator on Windows 7

VMWare Certified Professional 5- Data Center Virtualization (VCPS-DCV)

HP Server Maintenance Certification

Dell Systems Management Foundations Certification (DCO-120)

APS HP Commercial Desktops, Workstations and Notebooks Certified

Implementing ProLiant Servers Certification

Enterprise Integration and Management of HP ProLiant Servers Certification

Supporting the HP ProLiant Storage Server Product Family Certification

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