Christopher P Robbins ** East Catclaw Street Gilbert, Arizona 85296 928-***-**** ulwe5o@r.postjobfree.com

Technical Summary

Operating Systems Linux (Red Hat Enterprise Linux 5/6, Fedora, SLES, Ubuntu, CentOS), Windows (XP, Server 2003/2008, Vista, Windows 7), MacOS X

Virtualization VMware (ESX/ESXi Server 3.5, 4.x, 5.x, vSphere 4.x, 5.x, View, vFabric, Workstation, Fusion), VirtualBox, Xen

Databases MySQL (5, InnoDB, NDB-clusted databases), Oracle (10g, 11g)

Software Monitoring - Nagios, SNMP, Solarwinds, OSSEC Concurrent version - CVS, SVN, Trac Email - Postfix, Sendmail Ticketing - Montis, JIRA, OTRS Storage - NetApp Data ONTAP 7/8, Snapshot-based solutions (Snapmirror, Snapvault, Snaplock), DataFabric Manager/OnCommand, HA, MultiStore, NFS, CIFS, SAN, NAS Other - Apache, Samba, iptables

Programming Languages Java, PHP, CSS, HTML, Python, C, Bash/Korn shell-scripting

Network TCP, UDP, IP, LAN, WAN, Ethernet, VPN (Site-to-site/L2L, Remote Access)

Standards/Audit Compliance SAS-70, PCI, ISO27001, ITIL

Hardware Cisco (ASA, Catalyst switches), HP, Dell, Network Appliance storage (32xx series, 20xx series)

Work Experience Senior Consulting Engineer/Solutions Architect, Insight Investments Phoenix, Arizona May 2010 – present

Managed NOC and Datacenter operations out of the Phoenix i/o Datacenter

Responsible for day-to-day management of production, development, and QA Linux servers for various clients, supporting both Red Hat Enterprise Linux 5/6, CentOS, and Ubuntu Linux

Administered VMware vSphere 4.x/5.x clusters, including managing updates with vCenter Update Manager, and deploying high-availability, load-balanced systems using VMware HA and DRS

Supported production NetApp storage systems for company’s Storage-as-a-Service offering, including setup of disaster recovery and secure multi-tenancy using NetApp Multistore

Deployed advanced monitoring (using SNMP, Nagios, and syslog) to production, development, and QA environments to ensure maximum uptime and availability

Managed networking requests for internal and external clients, including VPN setup, deploying VLANs, NAT, access-list modifications, and assisting with network design as needed

Assisted senior staff in the design and development of next-generation cloud offerings, leveraging VMware vSphere, View, and vFabric technologies and the FlexPod architecture

Performed extensive application troubleshooting, including debugging memory issues, fixing configuration issues, and delivering root-cause analysis

Systems Administrator, Expedia, Inc Chandler, Arizona November 2009 – May 2010

Supervised Tier 1 network operations staff in monitoring the Expedia datacenter

Supported both small and medium-sized CentOS-based clusters, including managing monitoring and handling day-to-day administration tasks

Managed multiple Active Directory servers across production and development environments

Handled network duties ranging from basic network troubleshooting, deploying DNS changes and updates, DHCP, and firewall modifications

Served on an internal team to overhaul monitoring alerts to reduce their volume and prevent false positives

Systems Administrator, InfoArmor Scottsdale, Arizona July 2009 – November 2009

Administered a Linux-based (Red Hat Enterprise Linux) cloud platform running the company’s 24x7 e-commerce platform

Revised security policy to meet SAS-70 standards, and implemented a plan to bring company policy and procedures into compliance

Managed relationships with vendors and cut costs by 50% by revising contracts or finding lower-cost alternatives

Deployed a host-based intrusion-detection system (OSSEC) and a enterprise monitoring system (Nagios) to monitor critical InfoArmor infrastructure

Developed a high-availability (HA) solution to mirror the production environment, ensuring maximum uptime

Application Engineer, Shutterfly Phoenix, Arizona April 2009 - July 2009

Assisted in deploying systems to the company’s production floor, and aided in the move from Redwood City, CA to Phoenix, AZ

Developed a Perl-based solution to monitor Windows and Linux-based servers running photo-development machines

Deployed CentOS and Red Hat Enterprise Linux servers and workstations for testing and production environments

Systems Programmer, Department of English, The University of Arizona Tucson, Arizona

September 2005 - April 2009

Administered a mixed Linux/Windows environment

Developed a comprehensive Linux backup system using Bash scripts to provide multiple backups of critical user, financial, and historical data

Migrated Linux servers from a variety of distributions to CentOS Linux, providing for greater ease-of-support and consistency across departmental Linux servers, including mail, database, and web servers

Configured the Linux web server (running Apache) to handle advanced tasks, such as handling sub-domains, encrypted connections (https), and controlling permissions on public and private directories

Acted as the primary software developer, developing software solutions using Java, PHP, and Python

Leveraged existing resources to create a more unified server structure using virtualization software

Managed departmental Virtual LAN subnets and firewalls

Advised management on software and hardware purchasing decisions

Formulated strategy for long-term computing needs while ensuring costs were kept to a minimum

Authored end-user and developer documentation

Education

University of Arizona, Tucson, Arizona Bachelor of Arts, English – December 2008

Certifications

VMware - VMware Sales Professional, VMware Technical Sales Professional, VMware Certified Professional 4 (pursing VCAP-DCA, VCAP-DCD, VCDX) Network Appliance - NetApp Accredited Sales Professional, NetApp Certified Data Management Administrator (ONTAP 8) Cisco - Cisco Certified Network Associate, CSCO11787453 (pursing CCNP)

Excellent references available upon request

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