Tim Serna Email & Phone Number

San Francisco Bay Area

San Francisco Bay Area

San Francisco Bay Area

Designed, installed, maintained, upgraded, and monitored hardware/software for the VMware and Microsoft-based infrastructure.Designed, installed, maintained, upgraded, and monitored the Active Directory environment, including DNS, WINS, and GroupPolicy.Designed, installed, maintained, upgraded, and monitored the VMware virtual infrastructure.Performed moves/adds/changes, as needed.Participated on projects as technical project team member.Participated in disaster recovery planning.Developed and maintained systems documentation and standards.Updated skills as changes occur in the hardware/software infrastructure.Provided second level technical support for Microsoft and VMware technologies.Monitored and managed performance stability, and security for the VMware and Microsoft infrastructures.Respond to operational problems and coordinate efforts with other technical personnel.Developed and performed training related to server operational monitoring and initial trouble analysis

Sunnyvale, Ca.

(Dell Inc. purchased ZING Systems on 8/2007)December 2006 - August 2007 Computer Analyst II, ZING Systems August 2007 - September 2010 Computer Analyst III, Dell Inc., Sunnyvale, CAManaged day to day Sys. Admin Duties (Exchange, Telecom, Card access, Network, Wireless, etc.)Provide end user solutions for unique Dell integration issuesPart of core integration team for ZING AcquisitionDocumented infrastructure for Legacy Network MergeCreated network best practices, wireless policy and internet policyManaged relations with infrastructure vendorsEvaluated technology and made recommendations to ensure compatibility and effectivenessProvided hardware and software technical solutions for executive staffPart of Dell’s California Acquisition team - 5 acquisitions with 6 monthsEnsured all sites received technical and hardware support - I was 1 of 2 Dell IT Admins for California sitesDispatched parts when needed from Dells Hardware Factory – DPSManaged VM Servers with VMWare Sphere ESX 4.1Ubuntu, Mac OS X, and Windows environmentsRemedy System for ticketing, Kronos, Clarity, Mantis

Brisbane, Ca.

Configured, Implemented and Upgraded Multiple Windows 2000 and 2003 Servers.Configure, Setup, and troubleshoot Windows XP Pro, Linux and MAC Workstations.Active Directory Group Policy / Administration.Administration and troubleshooting of Exchange Server 2000/2003.Documentation of Policies and Procedures.RSA Server Administration and Configuration.Blackberry Administration and Configuration.Ghost and Sysprep Corporate Computer Images.Create Mac images through Netrestore.Data Backup and disaster recovery.Outlook and Outlook Express , and Internet Explorer web browser configuration (including proxy configuration and connectivitytroubleshooting Office 200/XP/2003)Prism Server AdministrationCorporate antivirus packages.Remote access solutions Cisco VPN. Troubleshooting and Configuring wireless networks.VLAN Port Configuration / Troubleshooting.Remedy System Administration.Cisco IP Phone Administration and Configuration.Cisco Unity Administration and Configuration.

Brisbane, Ca.

Follow detailed process flows for alarm response procedures including escalation and notification procedures.Experience with various Network Operations Center tools (Nagios, RIPE) 24/7 Call Center.24/7 technical operations organization. Network monitoring and/or maintenance.Log and track trouble-tickets through resolution. (Internal: JIRA and External: Inturt: Track-it!, Cerberus )Customer support in UltraDNS products regarding DNS: Managed DNS, Secondary DNS, Recursive DNS, MXBacker, WebForwarding, Mail Forwarding, Directional DNS, SitebackerDaily Support with DNS troubleshooting. (A, CNAME, MX, PTR, NS, SOA, TXT, AAAA records)