SUMMARY:

• Successful experience building and managing Linux/Unix platforms and services in demanding network environments.
• Self - starter with a background in a wide range of Linux/Unix systems and services, and some experience with
• Windows servers and desktops.
• Strong at analyzing and improving service architecture stability and maintainability.
• Improve process standardization, reliability and automation by creating scripts and documenting procedures.
• Strong skills in customer service and troubleshooting.

MAIN TECHNICAL SKILLS:

Operating Systems: RHEL 4/5/6, Solaris 8/9/10, AIX, Ubuntu 12/14, VMware ESXi, SuSe, Irix

Hardware: Dell PowerEdge, HP Proliant, HP desktops, IBM X series, Sun Sparc

File Servers: NetApp, EMC Clariion

Services: NFS, Samba, NTP, Centrify Direct Control, SSHD, FTPD Syslog, X, Xorg, Apache

Tools: Ksh, Bash, Perl, rsh, ssh, rsync, ftp, CVS, GIT, Logsurfer, sar, MRTG

Software: FlexLM, Legato Networker, Tivoli backup, Galaxy backup, LVM, DiskSuite, VXVM, VXFS, VCS

Software Installs: Oracle, Synergy CM

ADDITIONAL SKILLS:

Operating Systems: Ultrix, SunOS, Irix, SLES,HP-UX, AIX, Irix, Windows XP/7/2003/2008

Services and Software: NIS, NIS+, Sun Cluster

PROFESSIONAL EXPERIENCE:

Confidential, Phoenix, AZ

Unix System Admin

Responsibilities:

• Survey and analyze Linux and AIX systems for storage array migrations.
• Plan and perform Unix aspects of array migrations across Hitachi, EMC and PURE arrays.
• Do migrations on RHEL 5/6 Linux on HP Proliant Blades, and AIX 7.1 on Power systems.
• Work with native LVM and Veritas multipath and volume management.
• Develop KSH and Perl scripts to aid in faster, safer migrations.

Confidential, Kansas City, MO

Centrify/Unix Engineer

Responsibilities:

• Survey and analyze Linux, AIX and Solaris systems for installation of Centrify Direct Control.
• Install and troubleshoot Centrify Direct Control on Linux, AIX and Solaris systems.

Confidential, Tempe, AZ

Operations/QA Engineer

Responsibilities:

• Analyze production Unix Provisioning Bash scripts, Perl scripts and binaries to identify vulnerabilities.
• Document vulnerabilities. Develop standards for code improvement . Modify vulnerable code to standards.
• Run preliminary tests of modified code. Advance modified code to version control, testing and deployment.
• Package code for migration to Ubuntu.
• Test production CDN code - develop test environment and suite on FreeBSD, run tests, report results.

Tools: used: Perl, Bash, GIT, Confluence, Jira, ssh, rsync, vi, find/grep/sed/awk and dpkg-deb.

Confidential, Tucson, AZ

Systems Administrator

Responsibilities:

• Maintain multiple mixed Windows/Linux/Unix client/server networks in closed, secure areas.
• Manage AD, DNS, NIS and CentrifyDC name services.
• Install, configure and migrate to Centrify Direct Control name services from NIS services.
• Manage NetApp and other file servers, backups, licenses, and client/server software.
• Assist Synergy and electrical engineering tools support groups with installation and configuration.
• Apply and inspect DSS security settings on Windows, Unix and Linux.
• Migrated NIS domains to Centrify Direct Control for RHEL Linux, Solaris and Irix clients
• Customized Centrify Direct Control configurations for each lab's access and sudo needs
• Installed and configured Windows and Linux VMs on VMware ESXi servers
• Documented security auditing procedures for RHEL/Solaris/Irix platforms
• Created/updated parallel rsh/ssh command tool for better Linux/Unix support
• Installed, upgraded, managed and monitored NetApp file servers
• Stabilized central infrastructure and improved client service reliability
• Migrated/Upgraded Samba services from Solaris to RHEL Linux
• Created Bash/KSH scripts to maintain account history and other system maintenance tasks
• Installed, migrated, and upgraded Synergy services on Solaris and RHEL Linux

Confidential, Moscow, ID

Unix Systems Analyst

Responsibilities:

• Maintain Linux, Solaris, and HP - UX servers in a very open network with complex network filtering/shaping.
• Manage NFS file servers, EMC Clariion SAN servers, backups, and the unix mail service.
• Assist the network, ERP, and web development teams.
• Migrated all Solaris and HP-UX services to RHEL Linux, including NFS, DNS/DHCP, Banner ERP, and Web
• Migrated most Unix services to VMware ESX virtual machines
• Created all RHEL Linux systems using Kickstart profiles to enable rapid rebuilds
• Created parallel ssh command script for better Linux/Unix support
• Wrote scripts to monitor system health - hardware errors, resources and runaway processes
• Documented system health monitoring procedures and trained operators to do monitoring
• Set up DNS/DHCP monitoring on Linux with rollback/restart after detecting a bad update
• Set up secure NTP time services to improve service quality and event tracking accuracy
• Developed scripts and logsurfer configuration to track mail list submissions and approvals
• Created printer administration script for Banner ERP team
• Set up Splunk system log aggregation system on RHEL Linux
• Maintained a Sun Cluster mail server (Java System Communications Suite) HA pair.

Confidential, Boise, ID

Unix Systems Administrator

Responsibilities:

• Maintain and grow a network of Solaris and AIX servers to support production groups.
• Manage NIS+ name services, NFS file servers, backups, and the SMTP/POP/IMAP mail server.
• Assist application teams: Sybase, Oracle, and Web services.
• Develop and document procedures for the operations staff.
• Maintained and improved NIS+ name service stability and security
• Created a complete account maintenance script for the operations team (ksh, C)
• Developed automated scripts to import NIS+ tables onto the NetApp file server
• Created scripts (ksh,perl) to automatically populate the NIS+ hosts table with the site DNS table
• Developed scripts (perl) and training to support web and database admins.
• Modified the Sarge (perl) monitoring software to use a storage hierarchy
• Built large NFS servers with software RAID, HA (VCS) and ad hoc fail over
• Implemented stable NTP time service on all Unix machines
• Downloaded, compiled, and installed open software applications
• Replicated the Micron application volume to multinational off-site servers
• Set up Samba services to make the NFS server volumes available to Windows clients