SUMMARY:

• Senior System Administrator with over twenty years experience in systems and networking
• Design, deployment and maintenance of high availability data center systems Ongoing infrastructure improvements
• An effective problem solver that works well in a group or individually
• Manage vendor relationships
• Project management
• 24x7 operations
• Willing to do whatever is necessary to get the job done

Access and Authentication: Active Directory, Kerberos, LDAP, radius, ACLBackups Amanda, dump, rsync, ntbackup, Backup Exec, Legato, Retrospect, Veritas

Databases: MySQL, Oracle

Email: DKIM, DNSBH, MTA, SMTP, SPF, qmail, sendmail, spam

File server: CIFS, DRBD, LUN, NFS, RAID, Samba, SAN, iSCSI, SAS, SCSI, ATA, SATA, SMB, Netapp, Multi - terabyte drive arrays, Linux volume manager (LVM), Linux software (md) RAID

File systems: EXT, FAT, GFS, HFS, ISO9660, JFS, NTFS, XFS, ZFS

Firewalls: Symantec, Cisco, iptables

Monitoring: Big Brother, Big Sister, MRTG, nagios, Ganglia

Name service: BIND, djbdns, DDNS, DNS

Open source software: Apache, lighttpd, Squid web cache, memcache, solr, tomcat, LAMP, Openvpn

OS: Linux (Fedora, Redhat, Debian), AIX, HPUX, Solaris, Mac OS, Microsoft Windows (XP, Vista, 7, 10), Microsoft Server 2003/2008

Package management and deployment: apt, bcfg2, cobbler, dpkg, kickstart, rpm, yum, puppet

Protocols: ARP, IPsec, IPv4, IPv6, LAN, SNMP, SSL, STP, TCP, VLAN, VPN, WAN, WLAN, VIP

Remote access: RDP, SSH, VPN, remote control of systems including consoles and power

Routing: BGP, OSPF, RIP

Scripting: Bash, csh, expect, Perl, Python, C, Java

Services: AD, DHCP, DNS, FTP, HTTP, IMAP, LDAP, NFS, NIS, POP, SMB, SMTP, SSH, SSL, X

Switches: STP, VLAN, bonding, Power Connect

Version control: cvs, git, svn, Clearcase

Virtualization: Xen, QEMU, KVM, ESX, VMWare, Ldoms, Zones

VOIP: SIP

Other: Google Apps, Office 365, Atlassian JIRA/Confluence

Concepts: Clustering, High Availability, Load Balancing, System and Network Performance and Reliability, Security in depth

PROFESSIONAL EXPERIENCE:

Senior System Administrator

Confidential

Responsibilities:

• The initial task finding and fixing a NFS performance issue. Barefoot uses a high performance NFS servers in their engineering environment so when it is slow their schedules slip.
• Added a new file server and expanded another.
• Added two more build/compute servers into their environment.
• Replaced a network switch.
• Mapped, balanced and labeled power in the server room.
• Setup and deployed VM's (Linux and Windows) under Proxmox.
• Fixed and expanded the Puppet environment.
• Managed their Google Apps, Office 365, Atlassian JIRA/Confluence, LDAP, Openvpn, Nagios and Ganglia environment.
• Installed software and managed Flexlm licenses.
• Also did normal day to day system admin. work.
• Managed the ZFS based file servers from setting quota's to clearing snapshots.

Confidential

• Came into an old, complex, mostly Solaris environment with minimal training and had to keep the environment running while planning then implementing maintenance and upgrades including Clearcase.
• Conducted security updates on risky applications.
• Started migrating Solaris based services to Redhat Linux, virtual sytstems (VMware)
• Designed and built a Redhat 7 cluster on an EMC backend to provide high performance, HA file server environment replacing the old Solaris file servers.
• Implemented Avamar backups on Solaris and Redhat systems.
• Worked from a helpdesk issues list.
• On call for 24 by 7 support.

Confidential

• Developed a plan then started tightening security on the engineering Solaris systems.
• Worked with corporate IT on the best way to incorporate LDAP into the Solaris enviroment.
• Worked with a Clearcase contractor migrating Clearcase from an old Solaris based system to an Vmware/Redhat based system.

Confidential

• They had just moved into a new local data center and there issues to power and cooling.
• General system administration of Solaris, HPUX and Redhat systems.
• Migrated existing systems to a private and AWS cloud.

IT Manager / Senior System Engineer

Confidential

Responsibilities:

• Automate repetitive tasks
• Evaluate of best practices and new technologies
• Maintain configuration and procedural documentation
• Maintain disaster recovery plan
• Maintain service level agreement (SLA)
• Manage capital equipment budget
• Migrate physical systems to virtual
• PCI DSS compliance
• Use historical data to predict sizing and capacity
• Review log files and other monitoring systems for problems
• Ran periodic maintenance systems
• Also setup and maintained Windows, Mac OS, and Linux office environment. (20 people)

IT Manager

Confidential

• Setup a collocation based data center with a compute cluster (Solaris) and fiber channel SAN.
• Managed an engineering (EDA) and office development environment (10 people).

IT Manager

Confidential

• Designed and built two redundant and highly available network operation centers, data centers, and networks to monitor client servers over the Internet.
• The servers (Debian) and network were all open source based software.
• The network portion was later replaced by Cisco hardware.
• Managed IT of 6

Team Manager

• Started as an IT Contractor later promoted to contractor/client teams manager .
• Worked on location with many clients including Applied Materials, Cadence, Genentech, Intel, Motorola, Synopsys among others doing general system administration and Clearcase work. Mentored staff in their professional growth.

Senior System Administrator

Confidential

• Managed an engineering (EDA) and office development environment (500 people).

System Administration Engineer

• Designed and built redundant operations centers and supporting network and collocation based data center to monitor client Internet services.