Christian R. Allegretta PO Box 2806 Glenville, NY 12302 chrisa@asty.org SUMMARY Systems administrator with over seven years of experience in building and maintaining Unix and Linux systems and end-user support. SKILLS * Operating Systems: Linux - Debian, Fedora, RedHat Enterprise (3,4) Slackware, FreeBSD (4,5), OpenBSD, Irix (6.5.x), HP-UX (10.20,11.00), Solaris (2.6,7,8,9), MS-Windows (9X, NT, 2000). * Unix Hardware: SGI - Indigo, Indy, Indigo 2, O2, Octane, Power Challenge, Origin 2000, 2100. Sun - Ultra 1, 5, 10, Blade 100, 1000, Fire 280R, Enterprise 250/450, HP - C-series, J-Series. Compaq/HP (Intel) - DL145, 380/385, 580/585, California Digital 1620. * System Administration: Legato and Tivoli backup systems, NFS, NIS, automount, perl, vi, cron, process accounting, cvs, sccs, C programming, logical volumes (SGI xlv, Veritas VXVM & VXFS), samba, apache, BSD lpd, SSH, flexlm, icmp/socket utilities. * HPC: Platform LSF 5.x, 6.1, Ansys, Abaqus, Matlab, Fluent. * Programming Languages: C (esp. w/ncurses), Perl, Unix Scripting (Bourne and C shell), PHP, Ada. WORK EXPERIENCE Systems Analyst GE Global Research June 2004 - Present * Maintain High Performance Computing environment containing SGI Origin and 600+ CPU Linux clusters, coordinating with hardware and software vendors for system upgrades and troubleshooting. * Support batch processing environment built on Platform LSF and web-based front end (perl CGI with MySQL backend) for job submission and management. * Improve metrics collection processes for HPC systems for display by internally-developed web-based utilization tool (Java). Coordinate with global team to deliver system and interface requirements and provide testing and feedback. * Lead project to replace NIS environment with LDAP for all Unix systems, providing tools for automated provisioning and maintenance for Unix accounts, groups and NFS shares. Senior Unix Specialist/Unix Operations Team Leader (contractor) GE Global Research July 2003 - June 2004 * Assume responsibility for all tickets passed to Unix Operations (4 person team), case escalations and SLA attainment (90% of standard support requests to be completed in under 10 business hours). * Supervisor for UnixOps team members including time keeping and managing training funds. * All responsibilities of the Senior Unix Specialist (below). Senior Unix Specialist (contractor) GE Global Research May 2002 - July 2003 * Member of four person Unix helpdesk (Tier 2/3) supporting users of Unix workstations and servers including Sun, SGI, HP, and Linux, and Windows users via Exceed. * Manage user accounts, troubleshoot hardware and software problems. Interface with vendors for support and replacement of defective hardware. Install new operating systems on workstations via Kickstart (Linux), Jumpstart (Solaris), ignite (HP-UX) and inst (IRIX). * Install new 3rd party software and software upgrades as requested. Seek to automate system maintenance via scripting. * Create or update documentation for all team processes; per SLA 90% of procedures must be documented. Staff Systems Administrator (contractor) Benet Laboratories, Watervliet, NY March 2000 - May 2002 * Administrate three SGI Power Challenge/Origin servers and one Sun Fire Unix server. Maintain user accounts, NFS exports, monitor disk usage, and perform system backups on a nightly and weekly basis. Perform system security tests and update OS patch levels as necessary. * Manage 30 SGI and 4 Sun workstations in support of Army's Crusader project. Also support users running applications from servers via PC X window servers (eXceed). * Maintain existing and install new versions of CAD and other engineering software (IDEAS, Matlab, Abaqus, ProEngineer, etc) on servers and workstations. Labs/Classrooms Technician Plattsburgh State University, Plattsburgh, NY May 1998 - March 2000 * Install, upgrade, and maintain hardware and software in all computer labs (about 250 machines). * Manage NT, Macintosh and Unix file and print servers and faculty accounts on each. Co-administer 5 other Unix servers, including main Computer Science server. * Member of support help desk serving college-wide community. EDUCATION Bachelors Degree, Computer Science Plattsburgh State University, Plattsburgh, NY August 1994 - May 1998 * Final GPA: 3.4 * Academic Dean's List Spring 1997, Fall 1997, Spring 1998. * Student Recognition Award by Computing Support Services, May 1998. Computer Science Award for Academic Excellence, May 1998. * Relevant Course Work: Computer Networks, Operating Systems, Software Engineering, Discrete Structures, Machine and Assembly Language. CERTIFICATIONS/TRAINING * Green Belt - Six Sigma - June 2005 * Red Hat Certified Engineer (RHCE) (94.83% Avg) - March 2003 * CS436 - Unix Server Administration for the Enterprise (Learning Tree International) - February 2002 HOBBIES Free Software development: GNU nano, CMatrix. REFERENCES References available upon request.