Olegario Lopez Craig USPS: 8239 W. 90th Place, Westminster, CO 80021 413-204-9440 cell SMTP: olc@cs.umass.edu 303-432-2575 land SUMMARY: 9 years of professional IT experience, specializing in UNIX systems administration, TCP/IP network administration, troubleshooting, and security. Exceptional problem-solving, analysis, scripting, and communication skills. Extensive Linux server experience. Integrates new information quickly. OBJECTIVE: Advanced systems administration position for an organization in the Denver/Boulder area that requires and rewards critical thinking and creative problem-solving in an environment conducive to intellectual challenges. SKILLS - Extensive experience with Linux and UNIX servers in a wildly heterogenous network environment - Custom configuration, automation, administration, tuning, hardening, and troubleshooting of Sendmail, Apache, DNS/BIND, SSH, FTP, SSL, DHCP, LDAP, NIS, Samba, NFS, RPM, MIMEDefang, SpamAssassin, netfilter/iptables, USEnet, VPN, NAT/DNAT/SNAT, IMAP/POP, IDS, RAID (SW & HW) and HA/HP Linux clustering - Operating systems: Linux, Solaris, IRIX, OSF1/True64, AIX, MacOS X, OpenBSD, Win3x/9x/NT/2k/XP, VMS/DCE, IOS, Ultrix, CP/M, *bsd - Hardware: x86, Sparc/UltraSparc, SGI Challenge/Indigo/Onyx, DEC Alpha, DEC VAX, RISC 6000, PowerPC, Cisco 7000 & 7500, StorageWorks, SnapServer, APC UPSen, SCSI & IDE RAID - Networking: Cisco IOS with simple routing and packet filtering, 10/100/gigE 3Com SuperStack tuning and troubleshooting, intimate familiarity with Linux bridging and firewalling code and kernels, 802.11a/b/g WiFi & WEP, CIDR - Scripting in Perl, (ba)sh, csh, ksh, Expect, Tcl/Tk, awk, sed, python; others as needed - Programming in C, Perl, Pascal, ADA, Lisp, Java; others as needed - Software and Toolsets: gcc, Make, gdb, Emacs, vi, m4, iptables, ipchains, fwbuilder, tcpdump, Ethereal, netcat, OpenSSH, Sendmail, MIMEDefang, SpamAssassin, ClamAV, Apache, Tomcat, OpenSSL, PHP, RT, bugzilla, GForge, ISC BIND, OpenSSI, OpenLDAP, Snort, stunnel, PostgreSQL, MySQL, Berkeley DB, Kickstart, apt, synaptic, mozilla, OpenOffice/StarOffice, Fedora, Red Hat, Debian, Logical Volume Manager (LVM), X11, OpenSSH, Cygwin, Radius, NetReg, CVS, Subversion - Flawless written English; excellent verbal and presentation skills - Equally at home working with engineers, lawyers, or customers - Creative problem-solver; fast, independent self-educator EXPERIENCE Department of Computer Science, University of Massachusetts, Amherst, MA CS Computing Facility: "Software Specialist II" (2000 -- present) - Researched, proposed, developed, installed, secured and maintained system software, utilities, applications and enhancements to support the complex academic, research and administrative computing needs of Computer Science faculty, staff and graduate students. - Third-tier UNIX technical support; "Linux guru"; lead email, web, database, and news admin. - Developed forward-looking Linux strategy and specific server/environment cutover plans in response to changing industry landscape. - Responsible for secure incident response and forensics; developed and implemented proactive security practices and strategies. Planned and supervised Network IDS deployment and customization. Proposed, developed and refined custom NAT/firewalls to protect research groups from impinging on each others' activities while still allowing complex interaction with shared core servers. - Prepared and led training, education and outreach programs for department faculty and staff. - Trained, mentored, and supervised new CSCF staff. - Built and tuned scalable mail, web, storage, and backup servers to serve mission-critical departmental needs using COTS components. - Developed and maintained highly-available SMTP gateway server that handles an average of 30,000 emails/day while blocking over 10,000 viruses and 8,000 SPAM instances with false-positive rates less than .001%; the prototype system gracefully handled the notorious Nimda/CodeRed worm pandemic, which took down nearly all other University servers. - Performance tuning of IP services and protocols on 9 class-C IPv4 slices comprising 5 CIDR subnets. Department of Computer Science, University of Massachusetts, Amherst, MA CS Computing Facility: "Software Specialist" (1997 -- 2000) - Installed, secured and maintained system software, utilities and applications for faculty, staff and graduate students. - Lead email, web, and news admin; second-tier UNIX technical support; "Linux guru"; campus-wide SGI service contact. - Overhauled site-wide email strategy and implementations to deal with SPAM, virus, and open-relay risks for over 400 multiuser SMTP-serving machines; developed and implemented SSL-secured IMAP/POP infrastructure to allow authenticated mail relay from offsite clients. Centralized disparate SMTP policy implementation, unifying sendmail "cf" creation across 7 different UNIX platforms. - Created automatic system-image-restoration setup for workstations in undergrad lab with custom Kickstart and DHCP instances. - Spearheaded top-down group website redesign, focusing on customer service and useability. - Planned and oversaw service transitions from obsolescent hardware/software to inexpensive x86 Linux solutions. - Helped coordinate and implement transition from 4 IPv4 Class-C subnets to 9 class-C slices with CIDR. - Helped relocate 400-person department to new building, assisting with service cutovers, facilities planning, and capacity buildout. Department of Computer Science, University of Massachusetts, Amherst, MA CS Computing Facility: "Associate Software Specialist" (1995 -- 1997) - Front-line technical support; problem triage and resolution. Maintained and debugged application software and utilities for faculty, staff and graduate students. - Webserver and USEnet installation and administration. - Wrote Acceptable Use and Code of Conduct policies for undergraduate labs and sensitive-area staff. - Wrote and refined various in-house scripts and procedures to automate sysadmin tasks. - Developed and scripted backup/recovery procedures for newly-popular Linux workstations. - Helped document internal policies and procedures. INTERESTS, ACHIEVEMENTS, OTHER WORK EXPERIENCE AND SKILLS - Constitutional and telecommunications law; expert witness (defense) in Universal vs. Reimerdes, 111 F.Supp.2d 294 SDNY2000 (DMCA first-impression case, aka "NY DeCSS trial" aka "MPAA v 2600") - Sandan (3rd "black belt") Kodokan Goju Ryu karate - High-rigger, stagehand; IATSE 232 - NAUI divemaster candidate - Conversational Spanish - Assistant manager, Jonathan Reid LTD, Hadley, MA 01035 (1992-1995) - Lab manager, University Computing Services, UMass (1989-1991) - Instructor: Self-Defense, Karate I/II, Gen. PE Dept., UMass (1990-1995) - Teaching assistant: Sport SCUBA, Project DEEP/UMass (1994-2002) EDUCATION University of Massachusetts - B.A. Communication Concentration in Computer and Information Science