Staff UNIX Systems Administrator
Ireland
Staff UNIX Systems Administrator
Ireland
A UNIX Systems Administrator with 10 years of experience in design, configuration and administration of UNIX systems.
Summary of technical skills:
- detailed knowledge of Sun Solaris OS, including Solaris 10
- certifications: Solaris 10 SCSA, HP-UX 11i CSA.
- advanced Unix troubleshooting skills
- performance optimization with DTrace in Solaris
- RedHat Enterprise Linux 4/5 administration and support
- virtualization solutions: VMware Virtual Infrastructure 3 (ESX 3.5), Sun xVM suite
- high availability (Veritas Cluster, HA storage)
- NetApp (Network Appliance) filers: configuration and administration
Solaris 10/OpenSolaris, Solaris Zones, DTrace, RedHat Enterprise Linux, VMware Virtual Infrastructure 3 (ESX), Veritas Cluster Server, NetApp filers, Unix scripting (shell, Perl), PHP
(Public Company; 1001-5000 employees; XLNX; Semiconductors industry)
June 2005 — Present (4 years 2 months)
As part of IT Service team, I'm responsible for the operational support of the company's UNIX based infrastructure in Ireland and EMEA.
Some of my activities are:
- install, upgrade and configure UNIX (Solaris 8/9/10 and RHEL4/5 systems) and Network Appliance filers
- monitor system stability and performance, fine-tune, troubleshoot and resolve system problems
- assist internal and external IT customers with technical issues
- participate in an on-call rotation (24x7 Unix environment support).
(Public Company; Computer Software industry)
March 2001 — June 2005 (4 years 4 months)
Worked in Performance Testing group, where daily responsibilities included:
- various Sun hardware and software setups using latest Sun servers and internal Solaris OS builds
- extensive Solaris OS performance testing
- performance-related software bugs discovery, investigation and tracking
- automated Solaris OS installation (JumpStart) for Sparc, x86 and x64
- internal website scripting support (Perl)
- Perl/Shell scripting to improve efficiency of team's operation
(Privately Held; 201-500 employees; Program Development industry)
January 2001 — March 2001 (3 months)
Was responsible for Solaris and BSDi servers administration, providing end-users with network services. Maintained the network comprised of Cisco routers and leased line modes. Supported free web-based mailing system administration, carried out SMTP/POP3/IMAP/DNS administration tasks.
BS , Computer Science , 1999 — 2000
Computer Science 1996 — 1998
personal development, Solaris, Linux, Unix, SEO