Solutions-oriented professional with over 10 years experience designing, implementing, optimizing, and administering large-scale Unix environments. Demonstrated expertise in global systems administration and a quick learner with proven ability to manage multiple initiatives in a fast paced high-tech environment. Hands-on experience implementing, troubleshooting, and supporting Linux, Unix, Windows and OSX operating systems, including Email, Application and Web servers.
Solutions-oriented professional with over 10 years experience designing, implementing, optimizing, and administering large-scale Unix environments. Demonstrated expertise in global systems administration and a quick learner with proven ability to manage multiple initiatives in a fast paced high-tech environment. Hands-on experience implementing, troubleshooting, and supporting Linux, Unix, Windows and OSX operating systems, including Email, Application and Web servers. Trusted advisor to internal business colleagues.
♦ Platforms: Solaris, OSX, SPARC, Gentoo, RHEL, CentOS, Debian, Ubuntu, Slackware, Knoppix, Cisco IOS, Solaris zones
♦ Data-center: Operations, High Availability, Cloud and Distributed Computing, Virtualization
♦ Email: Sendmail, Postfix, Dovecot, Procmail, IMAP, POP
♦ Virtualization: Vmware (HA, vSphere, Vcenter, ESXi, VI3, Workstation), Virtualbox, Cisco UCS, Openstack
♦ Networking: Cisco (Routers, Switches, Firewalls), Load Balancers (Local Director, Distributed Director, GSS), IPv6, Netboot, Kickstart
♦ General: Computer Forensics, Data Retention, Penetration Testing, Information Security, Disaster Recovery, Capacity Planning, NIS, LDAP, NFS, DNS, PGP, NNTP, SSL, VCS , CIFS/Samba, Apache, Tomcat, Kerberos, C, BASIC, SGML, HTML, Splunk, Puppet, nagios, syslog, syslog-ng, dtrace, Trend Micro, ClamAV, Netbackup, Volume Manager, CVS, RCS, PXE, ITIL, LAMP, QRadar
Senior Systems Administrator @ From May 2014 to Present (1 year 8 months) Technical Manager, Information Technology @ ♦ Managed global team of 18 Systems & Data Base Administrators providing 24/7 service for Customer Service Organization, requiring a high availability computing environment for 32,000 users globally within 5 Global Technical Assistance Centers. Escalation point for all issues.
♦ Managed team to Cisco record high customer satisfaction score of 4.92/5. Asked to participate in management study group as result of a 96% manager ranking as measured by internal employee survey. Established cross training opportunities for team to further skill development when training budget was limited.
♦ Member of Infrastructure and Critical Environments Board, managing data center power, cooling and capacity on a global basis. Essential in making cisco.com redundant across multiple Data Centers. Developed strategy and play-book for fail-over and disaster recovery.
♦ Conducted and collaborated in investigations for both the Legal and Information Security departments.
♦ Managed annual budget planning and vendor management across 5 continents adhering to local employment regulations.
♦ Assisted with acquisitions, migrating physical hosts to virtualized systems when possible. Mentored team in process to relocate data center resources without interruption of service. From 2007 to October 2013 (6 years) Technical Lead @ ♦ Managed all departmental data center operations, budget planning, fleet upgrades, case management, project planning and leading a global support team.
♦ Mentored others in day-to-day tasks in the data center. Organized team meetings, balance workloads and guide the team when necessary. Managed pager duty scheduling and global support in addition to assisting with case escalations from all sites. Trained new system administrators who have gone on to train others. Planned, coordinated and completed move to new server room including patches, racks, and power.
♦ Conducted or collaborated in investigations for both the Legal and Information Security departments.
♦ Resolved server problems when necessary and proactively looked for issues in order to prevent down times. Maintained server room wiring replaced servers, installed new hardware and coordinated efforts with datacenter and other infrastructure groups.
♦ Designed a user operated email restore system that allowed for users to restore email without admin intervention. The result was less cases for email restores and increased productivity, as no email could be lost. Presented short paper on the project at the 2005 LISA conference. From 2005 to 2007 (2 years) Systems Administrator @ ♦ Member of global internal support team with 24/7 “follow the sun” support for 1000+ desktops and 200+ servers, including high-availability email and hosting services worldwide for the Customer Service organization. Carried on-call pager as part of rotation. Performed Desktop & Server upgrades.
♦ Setup a 24/7 global hotline using the “follow the sun” model for routing user calls to the site(s) on-shift. Resolved server problems and proactively look for issues in order to prevent down times. Maintained server room wiring, servers, installing new hardware and coordinating efforts with networking teams and other infrastructure groups. Led NIS upgrade with team so I could pass knowledge to other team members.
♦ Created a reusable ypserver jumpstart profile for this project. Coordinated a TACACS migration resulting in higher uptime.
♦ Helped maintain www.cisco.com and associated applications, including process that allowed customers to attach files to their Support cases via email.
♦ Collaborated with Infosec, Engineering, IT and others, in an authentication proof-of-concept project to create and test a multi-platform Kerberized LDAP Unix Directory Service, that allowed for the use of single sign-on. Created automatic system install for training department to reinstall systems for network training courses. This allowed the training department to rebuild systems easily without assistance after each course at no cost.
♦ Developed Disaster recovery kit including flash archive images of servers for quick restores. This helped to restore critical data outside the system backups, such as vendor software, documentation, licenses, etc.
♦ Upgraded load balancer with new hardware, designed and configured a new failover setup with redundant systems for a high-availability configuration. This allowed for near 100% uptime for a globally distributed web service. From 1996 to 2005 (9 years) Systems Administrator @ ♦ Managed heterogeneous network of UNIX (SGI, Solaris, SunOs), Macintosh and IBM PC’s consisting of over 50 machines. Coordinated move of network to new location, including testing and setup of new network.
♦ Setup and Installed automated backup system. Maintained phone wiring and voice-mall system. Installed, configured and maintained WWW server. Configured and maintained Intranet sewer, setup ISDN and Web server usage graphs available through Intranet. Managed card key system. Provided continuous internal computer support for entire company. Worked off-site assisting customers with system integration Issues. Wrote custom translation environment scripts, which significantly increased productivity.
♦ Maintained E-mall system, which includes Unix and PC mail programs. Configured internet firewall for increased security on internal network. Performed security scans on network and systems, resolving any security issues. From 1994 to 1996 (2 years)
AA, Information Technology, GPA: 4.0 @ Computer Learning Center From 1990 to 1992 Journalism @ Foothill College From 1985 to 1987 Dan McQueen is skilled in: Virtualization, Data Center, Firewalls, Cisco Technologies, DNS, Solaris, VMware ESX, Servers, VMware, Linux, Disaster Recovery, Security, Cloud Computing, High Availability, Cisco IOS
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