OLIVER NIESEN 521 New Country Road, Kyle, Texas 78640 | C: (512) 590-4437 | oliver at onone dot org - http://onone.org PROFESSIONAL PROFILE Talented Systems Administrator with 20 years’ experience maintaining computing environments by identifying requirements, installing upgrades, and monitoring performance. Expertise in establishing secure networks by evaluating performance issues and testing equipment. Ability to make good technical decisions that positively impact adjacent systems or provide useful features. KEY SKILLS • Problem resolution, communication and written skills • Excellent team leadership or member • All aspects of Systems administration • Project and data management • Process improvements • Assessment and analysis of internal and external resources • Information security and policies RELAVANT EXPERIENCE Axium, Los Angeles, California 1997-2006 Updated or replaced existing software to better server company needs. Responsible for over 200 IBM xSeries servers, including 10 SQL & File Server Clusters and a large Citrix farm. Responsible for all data storage using IBM FAStT600 Fibre Channel Arrays. Managed Active Directory infrastructure spanning 5 offices and two data-centers with over 300 users. Created corporate disaster recovery plan involving initial assessment, creation of procedures and policies, implementation and adherence to those. Worldlingo.com, Las Vegas, Nevada 2006-2006 Company was awarded large contract by Microsoft and provided help with In-depth analysis of relevant data and information to determinate, plan, and recommend new solution to drive operational excellence. Proctor & Gamble 2007-2008 Supported transition of company 900MHz solution to 802.11 Wireless. Shaped network traffic to dramatically lower latency. Assisted the help desk with day-to-day issues. Internet Business Services, Calabasas, California 2007-2009 Supported transition of company IT infrastructure to a new datacenter, virtualizing their hardware. Over 8000 Domains with high traffic sites like cyberotica.com and sugardaddyforme.com. Utilizing VMware to strategically increase profits and productivity. Music.com, Hollywood, California 2009-2009 Used VMware to virtualize hardware for company moving to a new datacenter. Implemented redundant PFSense Firewall and HAProxy load balancer. Moved complete Microsoft .net infrastructure to the new datacenter. Solarwinds, Austin, Texas Mentored staff in dealing with and achieving customer satisfaction with our monitoring solution. 2009-2010 Certifiedhosting.com, Grand Terrace, California 2010-2011 Helped support hosting company's FreeBSD and Linux infrastructure using cPanel, WHM, Apache, MySQL, bash scripting. Implemented Cacti monitoring solution for their servers using Linux, Cacti, PHP, Spine and MySQL. Zenōss, Austin, Texas 2012-2014 Maximized operational efficiencies for our clients by coaching staff on various customer service initiatives. TECHNOLOGIES Security Systems – Cisco, Juniper, NetScreen, Pfsense Load Balancers – BigIP, HAProxy, LVS Operating Systems - Most flavors of Unix\Linux, Microsoft, Novell Network Systems – All layers of the ISO model Middleware – BEATux, RabbitMQ, Tomcat, Websphere, Zope Database Systems – Oracle, MSSql, MySQL, Postgres, BTrieve Programming Languages – PHP, Perl, Bash, Python, Ruby, C++, RPGIII, Cobol, Pascal ...A SysAdmin with MIPS and IO