Engineer Software

Christian R. Allegretta

PO Box ***

Westborough, MA 01581

******@****.***

SUMMARY

Systems administrator with over ten years of experience in

building and maintaining Unix and Linux systems and end-user support.

SKILLS

* Operating Systems: Linux - Debian, Ubuntu, Fedora, RedHat

Enterprise (3,4)/Fedora Core, FreeBSD (4,5), OpenBSD, Irix (6.5.x),

HP-UX (10.20,11.00), Solaris (2.6,7,8,9), MS-Windows (2000, XP).

* 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), Python (esp w/Twisted), PHP, Ada.

WORK EXPERIENCE

Availability Operations Engineer

ITA Software

March 2006 - Present

* Maintain and improve performance and reliabillity of availability system

operations, comprised of custom in-house software running on commodity

hardware and OS. Triage complex interaction issues and coordinate

closely with engineering and QA teams to drive improvements to the

system and deployment of new features to meet internal and customer needs.

* Serve on Tier 3+ level on-call rotation for supporting the availability

system, ensuring quality 24/7 support.

* Maintain, improve and coordinate changes to monitoring and overall

troubleshooting documentation with the goal of enabling Tier 1/2 staff

to understand and fix problems in the environent without needing to

escalate upward. Ultimate goal of detecting and fixing producion issues

before customers even notice.

Systems Analyst

GE Global Research

June 2004 - March 2006

* 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.

Contact this candidate