<p>‍‍Tom Mayer 6171 W. 350 N. La Porte, IN 46530 (219-229-9089) [email protected] | http://www.tjmayer.net</p><p>Skills Summary</p><p>Life-long technologist. Technology isn't just my career, it's what I enjoy.</p><p> Eighteen years of experience working with Windows and Linux on a daily basis.</p><p> Extensive work experience implementing and managing physical servers and virtualized servers (KVM, Xen, OpenVZ, and VMWare).</p><p> Bash/PowerShell/PHP/Python scripting experience for automated tasks as well as maintenance/administration.</p><p> Built, configured, and maintained Dell PowerEdge, HP Proliant, and SuperMicro servers.</p><p> Working knowledge of routers and switches made by Brocade, Cisco and Juniper.</p><p>Technology Focuses Virtualization / Cloud</p><p>· 12 years of experience with OpenVZ, Xen, and KVM in an enterprise environment. Have managed virtualized environments with over 5,000 active customers.</p><p>· 13 years of experience with VMWare from its earlier workstation days up its broader vSphere infrastructure utilizing a typical RAID environment as well as SAN. Linux Workstation / Server</p><p>· 20 years of Linux experience. Successfully implemented Linux services, made use of its stability and security with Apache, NGINX, and Lighttpd for web servers. Configured Sendmail, qmail, Exim4 and Dovecot for email services. Utilized and administered mysql, PostgreSQL and MariaDB. Windows Workstation / Server</p><p>· 20 years of experience with Windows Servers, since Windows NT 4.0. Administered Active Directory forests since Windows 2000 Server. Leveraged group policies for network and file security, IIS web services and add-ons, and email services using Microsoft Exchange. Administered Microsoft SQL Server to manage client’s software database tables. Network Switches/Routers/Firewall · Configured core and border router for Local ISP utilization by BGP announce sessions announcing and occasionally un-announcing our IP ranges. </p><p>· Configured VLAN and Subnetting to separate customers from other customers and from our internal network.</p><p>· Configured rack level and transport/distribution switches for networks. </p><p>· Configured Network Flow Analysis to be fed into our Network Analyzer which would determine Null-Routing depending on pre-set flow determination in order to stop DDoS abuse.</p><p>Work History Systems Administrator MAY 2016 – PRESENT Enzu Managed Infrastructure and Cloud Services Managed web hosting provide offering virtualized as well as dedicated servers in a 24/7 Network Operations Center.</p><p>Summary</p><p> Supervised and mentored a team of up to ten Support Technicians and Systems Administrators.</p><p> Monitor/QA HelpDesk and NOC to prevent outages and widespread issues.</p><p> “Go to” for advanced Linux and Windows Server problems.</p><p> Maintained server equipment/inventory in 4 locations in the US totaling over 4000 physical servers.</p><p> Created and enforced policy to standardize and streamline processes.</p><p> Provided technical support to thousands of end customers. Major Projects</p><p>· Network Audits of our customer service centric internal services for traffic expansion.</p><p>· Deployed high volume servers (over 400) to a client in a short time frame with specific installation needs on several hardware steps.</p><p>· Supervised Systems Administrators and Support Staff and developed </p><p>· Configure IPMI on large scale SuperMicro and blade servers up to 56 blades to be used for dedicated server orders.</p><p>· Provided performance reviews for Support Staff and Systems Administrators.</p><p>Page 2 · DDoS and Network Traffic Analysis</p><p>· Helped design and built out a large internal knowledgebase for procedures for our support and Systems Administrator staff.</p><p>· Helped build and contribute to Windows and Linux install templates for mass use </p><p>Network Administrator / Operations FEB 2015 – APR 2016 HostUS - HostMyBytes - Nodeserv - Crissic Solutions Working with small businesses who sell virtualized web hosting services (OpenVZ and KVM). These are fast paced and ever-changing environments dealing with thousands of end customers, who have many complex and differing needs. Summary</p><p> Built central access gateways to securely manage administrative credentials.</p><p> Developed a network monitoring script to notify via cellphone in case of server or network interruption. </p><p> Implemented N+1 backup solutions for business contingency.</p><p> Developed many administrative scripts to streamline operations.</p><p> Developed knowledge bases for customers and workers.</p><p> Provided technical support to thousands of end customers. Major Projects</p><p>· (HostUS/HostMyBytes/NodeServ) Significantly reduced customer support time by building a central gateway for support technicians to monitor and make necessary changes to customer OpenVZ and KVM containers. This gateway reduced the need to share administrator passwords and to audit individual servers for rogue user accounts.</p><p>· (Crissic/HostUs/HostMyBytes/Nodeserv) Reduced the risk of data loss by developing redundant backup strategies for primary business databases and other important data that gets transmitted through a secure tunnel over the internet twice a day.</p><p>· (Crissic/HostUS/HostMyBytes/NodeServ) Developed internal knowledgebase for three of these companies helping them to streamline common support tickets. Designed bash scripts to fix common problems.</p><p>· (Crissic) Reduced administration time by half on a 50+ server farm by developing automation scripts to handle server OS / software deployment and abuse. Managed the entire business for six months, cutting ticket response times in half in an environment of more than 6000 </p><p>Page 3 customers. Cut network response times by approximately 80% by developing a script based monitoring service that would notify appropriate staff via cellphone where a server or network interruption occurred.</p><p>Principal JULY 2004 – PRESENT Northwest Indiana IT Solutions Provided solutions for home and small business based on their particular need, budget, with scalability in mind to grow along with their businesses. From consulting and Cost/Benefit Analysis, the time was taken to find the right system for the business need.</p><p>· Helped small businesses utilize both Windows and Linux based solutions for their business needs.</p><p>· Remote Server/Network Monitoring on a 24/7 support basis.</p><p>· Performed general PC / workstation repair, OS Imaging, and Software installation.</p><p>· Cut, dropped and terminated Ethernet cabling.</p><p>· Automated deployment of Operating Systems over PXE.</p><p>Technical Support / Network Operations MARCH 2001- JULY 2004 CSInet Internet Access Started out in the call center for phone technical support. My talents for Administration were discovered, and I began taking on more important tasks directly under the Systems Administrator.</p><p>· Built Linux routers that were placed at remote cell towers to route our wireless infrastructure back to the office saving the thousands of dollars.</p><p>· Aided in installation of new rack-mounted servers, modem banks, switches, routers, and other equipment.</p><p>· Internal Help Desk and Support/patching for workstations and servers inside of the office.</p><p>· Trained members of NOC team how to do a streamlined process of setting up domain hosting customers.</p><p>· Managed and maintained an offsite backup rotation of media for approximately five servers.</p><p>· Advanced topics resource for Phone Technical Support crew.</p><p>· Built a rapport with regular support callers; callers would request me whenever they needed help as they liked how I took care of them.</p><p>Page 4 Education Computer Information Systems (Networking) IvyTech State College Associates Degree – 3.7 GPA Major: Computer Information Systems (Networking) Minor: Psychology Honor Society: Phi Theta Kappa International Honor Society Honor Society: Kappa Beta Delta Business International Honor Society</p><p>Microsoft Certified Professional: Windows Server 2012 R2 CompTIA A+ Certification</p><p>Professional references available upon request.</p><p>Page 5</p>