Professional Resume of Scott M. Mcdermott

Experience

• 12+ years Linux (mostly RH), many of those with Solaris, HP-UX and AIX
• 3 most recent years self-employed UNIX contractor (Omnisys Technologies)
• 1 year on most recent contract: web SaaS: Linux, PostgreSQL, RH Cluster
• 5 years at 3-tier webapp Enterprise ISV: colo ops, dev, test, office IT
• 2 years UNIX, IP, Telecom and Facilities for 250-head consulting shop
• 2 years prior work in end user tech support, conventional PCs

Scale

• servers: ~60 Linux, ~20 assorted UNIX, 24x7 colo ASP pilots / SaaS
• ASP: ~30 customer webapp instances, ~20k field devices, ~1k active HTTPs
• SaaS: ~100k users, ~50k unique/mo, ~1M views/mo, ~100k book titles
• WAN: 5 branch offices: IPSEC, leased lines, frame relay and ISDN
• LAN: 10 subnets, meshed switch fabric, Linux firewalls
• colo: ~55U of Linux servers, 2 ISP peer ASes via BGP, mlink-PPP DS1s
• team: 7 total staff, 2 reports, supported 250 employees

Skills

• extensive UNIX experience, all breeds: admin, devel, system software
• excellent scripting skills and wide range of shell utility knowledge
• full systems programming knowledge and ability to use full UNIX API
• use of robust software tiering: dev, testing, staging, production
• programming and operational experience with web apps and databases
• IP routing, IPSEC, BGP, serial WAN technologies, Quality of Service
• use of high availability technologies like clustering and replication

Languages

• expert: Bourne Shell (bash/sh), Regular Expressions
• fluent: C, Awk, Sed, procmail recipes
• enough: HTML/CSS, SQL, SystemTap, M4, Make, LaTeX
• rusty: PHP, Perl, Python
• learning: Ruby, x86asm

Technologies

• network: Linux iptables/tc, StrongS/WAN IPSEC, Cisco IOS, VPN-1/FW-1
• email: postfix, courier, qmail, qpopper, dovecot, sendmail, uw-imap
• webtechs: Apache, Zope/Plone, iPlanet, BEA WLS,
• storage: Linux md, lvm, DRBD, NFS, Veritas VxFS, Sun RaidManager
• directory: ISC BIND, OpenLDAP, iPlanet, all UNIX NIS implementations
• provision: Cobbler, FSVS, Linux-KVM, JumpStart, CFEngine (limited)
• database: PostgreSQL, Oracle, MySQL
• clustering: RedHat Cluster Suite, Veritas VxFS/VxVM, pgpool-II
• multimedia: 3Com VOIP; Polycom VOIP conference phones; some Cisco
• backup: LVM snapshots + scripts, AMANDA, Legato, dump

History

2009-10 UNIX Contractor, Benetech.org [Omnisys] (San Francisco, CA)

• participate fully on Scrum Agile engineering team, burndowns, etc.
• cluster bookshare.org database to add high availability, redundancy
• offload production database server by moving clones to standby node
• use database tools to isolate bad SQL queries, coordinate with dev
• institutionalize change management of server configuration
• colo shopping for server rebase; work out budgets and migration plan
• virtualize legacy system using KVM instance to free up hardware

2007-09 Sole Proprietor, Omnisys Technologies (San Francisco CA)

• start business, self-employed UNIX contractor: Omnisys Technologies
• (mywaves.com) implement role-based server provisioning system
• (mywaves.com) audit hand-coded server management scripts
• various IT consulting and recommendations for outsourcing
• interact with hosting providers for mom-pops in liaison role
• (also: student at SFSU, lower division coursework for CS)

2004-06 IT Manager, Questra Corporation (Redwood City CA)

• full responsibility for all IT operations; direct report to CFO
• maintain and enhance all UNIX systems and IP networks
• tasked with establishing scalable base services for Enterprise IT
• transition IT systems (and myself) from upstate NY to northern CA
• take on and train new Systems Administrator and contractor
• establish employee support portal and content, trouble ticketing

2001-04 IT Department, Questra Corporation (Rochester NY)

• Sole maintainer of all IT systems and services at startup ISV
• maintain all carrier and vendor relationships
• render all internal technical support
• heavy IT demands by India-based offshore development team
• converged voice, video and data on single company WAN
• implement multihomed colo site with customer pilot ASP instances

2000-01 Systems Administrator, Eclat Technologies (Rochester NY)

• services: name, account, file, data, email, phone, video
• access control, security policy, source code repository management
• devel, build, test, stage, deployment systems
• maintain plumbing services like DNS, DHCP, NTP, NFS, NIS, SMTP
• most services transitioned from Sun Solaris to Linux
• take over all maintenance of network infrastructure

1999-00 Associate Systems Administrator, Eclat Technologies (Rochester NY)

• UNIX, networking, and security help for Engineering, Support, Services
• training for Windows users unfamiliar with UNIX programming
• end user support, provisioning, maintenance
• server data and configuration backups

1998-99 Systems Administrator, Liberty Precision Industries (Rochester NY)

• maintain SGI Irix and HP-UX systems used for CAD and CNC programs
• full-shop Y2K audits and upgrades on Windows client/server machines

1997-98 Tech Support Associate, Liberty Precision Industries (Rochester NY)

• basic technical support for Windows clients, typically CAD workstations
• PC hardware support and mail system, Exchange based

Qualities

• Highly proficient technical worker with wide skill range
• Fast learner and self starter; enjoy intellectual challenge
• High degree of excitement derived from the profession
• Automate until there's no more work (is it possible?)
• Highly confident in the value I can deliver
• Dedicated IT professional: "it's more than a job"

Objective

Expand operational experience to web-scale or get a chance to automate an operation as such. Maintain and grow an IT system as an organic entity constantly changing and evolving to meet new requirements. Work on a team of consummate professionals that take pride in and enjoy their work, and the honing of their craft, as much or more than their hobbies.

More

http://www.omnisys.com/

• major projects
• code samples
• documentation samples

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