Engineer Software

Daniel S. Mack

E-Mail:

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

Career Profile

Currently I am a Storage Architect with Thomson Reuters, Inc.

My current interests focus on storage and cloud based technologies and process. In brief, my background

is a mixture of very large scale server environments, very large storage environments, high performance computing,

and infrastructure software development.

Previously I was a Lead Storage Engineeer with Thomson Reuters. In

this role my team and I leveraged new technologies to improve

storage efficiency and manageability of a very large multi-petabyte environment.

In this role I also assumed Storage Design and Storage Support Team Leader

roles.

Prior to Thomson Reuters I was a Principal Consultant with GlassHouse Technologies

specializing in enterprise storage. Responsibilities included

storage services consulting and the development of infrastructure technology

management software for use by GlassHouse and its customers.

Preceeding GlassHouse I was a Software Engineer for Cassatt, Inc.

(a.k.a Unlimited Scale) where responsibilities included software

development of installation software and prototyping an I/O fail-over

feature for a Linux cluster based product. I also managed the source

control and build environment (CVS), and worked with beta customers in

professional service engagements.

I'm also a seasoned system administrator with over 15 years of

experience supporting small to large UNIX installations;

specializing in serving storage and software to the enterprise.

I am extremely interested in computer science with a focus on operating

systems, network platforms (i.e. cloud) and storage. I have over the years enjoyed using my

programming and system management skills to build tools and applications

that examined and solved business and technical problems for my employers.Troubleshooting OS, hardware, network, storage, SAN, NAS, and

application problems.Ruby on Rails development experience.Familiarity with several distributed file systems and noSQL based solutions

such as MongoDB and others.Substantial experience supporting a variety of UNIX based

operating systems including Linux, IRIX, Solaris, BSDI,

OpenBSD, Mac OS X, Data OnTap, and FreeBSD.Experience supporting High Performance Computing clusters,

associated software, and users.C, C++, Python, Ruby, and Perl programming experience and

familiarity with other computer languages such as Fortran, Lisp,

and TclLeveraging UNIX based systems and Open Source software to

solve the business problems of small to large businesses.Experience with a variety of storage arrays, fibre channel

switches, and deploying storage solutions in large

production environments. EMC Symmetrix, HDS USP-V, VSP, NetApp, BlueArc,

Sun 73xx Series (Amber Road), Sun ZFS, EMC CLARiiON, IBM SVC and DS-8K,

Brocade, Cisco MDS, and Qlogic Switches.Designing and deploying enterprise scale backup and

disaster recovery installations.Extensive experience writing IT services technical documentation

for technical, business, and end users.Excellent mentoring, and team leadership skills.Strong customer service, and the ability to focus quickly on the problem

and possible solutions.Work ExperienceMarch 21, 2011 - Present / Thomson Reuters

Midwest Region, Eagan MinnesotaStorage Architect

As a storage infrastructure architect I design storage service offerings from

new technologies and process to deliver solutions to business units. This involves

evaluating and characterizing new technologies and incorporating these technologies into

larger infrastructure building blocks or service offerings.Dec 02, 2010 - Mar 20, 2011 / Thomson Reuters

Midwest Region, Eagan MinnesotaTeam Lead - Storage Support

Team lead of the storage support team covering production storage assets.

Jun 21, 2010 - Dec 01, 2010 / Thomson Reuters

Midwest Region, Eagan MinnesotaTeam Lead - Storage Design

As the team lead of the storage design team, my role includes:Team Leader / Management responsibilities of 3 storage engineersIntroducing new storage technologies into the implementation and

support organization, including:

NetApp Multistore/vFiler TechnologySun 7300 Series Storage Subsystems / ZFSBlueArc and Hitachi (HDS) NAS Filers

Developing tools and automatation of common storage tasks to improve efficiency.Researching and implementing ideas which help improve the availability, performance, and utilization of storage.May 05, 2009 - Jun 20, 2010 / Thomson Reuters

Midwest Region, Eagan MinnesotaLead Storage Engineer - Storage Optimization

As a member of the storage optimization team, our group rolled out storage

virtualization technologies (Hitachi USP-V and NetApp Multistore) to support

increased utilization of storage capacity throughout the environment.Oct 11, 2004 - Apr 27,2009 / Glasshouse Technologies

Midwest Region, Minneapolis MinnesotaPrincipal Consultant

As a principal consultant, my emphasis has been on formalizing

the operational aspects of enterprise infrastructure management

and implementing technologies to support customer's business

requirements. This includes developing processes and procedures

to assure that reliability, performance, and operational requirements

are met.

Additionally, this role included:Being a subject matter expert for multiple GlassHouse customers

Process and procedure development relating to storage management

Day to day provisioning of SAN & NAS storage (Storage device

selection/creation, Zoning, LUN Masking)

Supporting EMC Symmetrix DMX Arrays, NetApp Filers, SVC, DS-8300,

and Centera storage devices for both Open Systems and

iSeries IBM servers.

Providing Volume Manager Support to server admins for Veritas

Storage Foundation for Windows (VSFW)

Troubleshooting, performance analysis, and issue escalation with

vendors.

Support of CIFS, iSCSI, and NFS protocols.

Ruby on Rails software development of cost modeling and work flow

applications.Management of Cisco MDS 9509, 9216, and 9120 Fibre Channel Switches

Design and implementation of SAN Fabrics using VSANs and IVR

to support operational and disaster recovery requirements.

Day to day maintenance, monitoring, and reporting of key SAN metrics

Providing storage related subject matter expertise to platform teams

Creation and development of a software as a service (SaaS) environment.

Detailed knowledge of the following tools:

SSL enabled Apache 2.x Servers and configuration

VMWare ESX Configuration and support

Ruby on Rails

mongrel web server

Bugzilla, Subversion, and Email server configuration and support

Wiki deployment

Oct 25, 2002 - Oct 11, 2004 / Unlimited Scale, Inc. and then Cassatt, Inc.

Mendota Heights, MinnesotaSoftware Engineer

As a software engineer, work involves software development on

Linux operating system software related to our clustering

product. Other activities include supporting product build and

source control systems and providing technical assistance to our

professional services organization.

Specific responsibilities include:Design and maintenance of product build systemsDesign and maintenance of packaging and installation softwareDesign and implementation of a high availability I/O featureLiaison with channel partners for build and packaging issuesTechnical coordinator for engineering infrastructureData center and lab design; including electrical and HVACResponsible for VPN (FreeSWAN/IPSEC), WAN, LAN, and WIFI (802.11b/g) NetworksSupport iptables firewalls, Sendmail, Postfix, and BIND softwareSupported CVS Source Control SystemsUtilized AMANDA and other tools to provide a backup/restore and disaster recovery solutionMaintain NFS file servers, NIS, DHCP, and Apache web serversSupport for IA32, IA64 Itanium (HP rx2600), and Alpha systems running RedHat LinuxUtilized Linux multi-disk (md) on servers to provide enhanced data protection.Dec 2001 - Oct 25, 2002 / Imation - Storage Professional

Services

Oakdale, MinnesotaSenior Storage Engineer

As a Senior SAN Engineer, work focused on a variety of

storage related projects and customer engagements including

performance analysis, troubleshooting, interoperability testing,

disaster recovery planning, proof of concept testing, and new

product certification. There was also participation in pre-sales

research, test plan creation, and some project management

activities.

Some specific highlights include:Regular interaction with enterprise customers.Proficient configuring Fibre Channel fabric switches

(Brocade, Qlogic, etc.)Working with a variety of host bus adapters: Emulex,

QLogic, JNI, Troika, LSI.Familiarity with a variety of storage arrays: CLARiiON/EMC,

Compaq RA-8000, LSI E4000 Series, and Hitachi 9260.Configuring and maintaining network infrastructure

equipment including: Cisco Catalyst 4000 series switches,

Cisco Routers, Extreme Switches, PIX and IPF (BSD) based

Firewalls.Maintaining internal DHCP and DNS servers.Supporting PPTP and SSH based VPN solutions.Working with iSCSI hardware and software. Cisco 5420 &

5428. Linux, Sun, and Windows hosts.Real world experience using Fibre Channel Analyzers.

Finisar GTX, GTJ, and I-TECH.Experience working with file systems and volume managers

including Sun UFS, XFS, VxFS, ext2fs, ext3fs, reiserfs, XLV,

XVM, and LVM.Experience with multipathing software. Compaq SANWorks

Secure Path and EMC ATF.Participating or leading a variety of SAN engagements

using a variety of operating systemsDec 2000 - Oct 2001 / BraVara Communications, Inc.

Minneapolis, MinnesotaSenior System Administrator

Responsible for all I.T. infrastructure in the Minnesota

office. Maintained firewalls, storage, backups, Internet

connectivity, DNS, wiring, telephones, and vendor relations. I

was also electronic postmaster for the entire company.Maintained sendmail servers, IMAP servers (Cyrus &

UW-IMAP), Mirapoint E-Mail appliance, and supported various

mail user agents (mutt, elm, outlook and outlook

express).Designed and implemented a web based information system to

track employee accounts, contact information, and assets.Maintained desktops and servers running Linux, BSD OS 4.2,

and Solaris 7 & 8. Automated common processes.Researched and recommended purchases of development

hardware ranging from 1U IA32 systems for prototypes to Sun

280R systems for ASIC simulation purposes.Jul 1996 - Dec 2000 / Silicon Graphics, Inc (SGI)

Eagan, MinnesotaSenior System Administrator

Technical leader and mentor for a system administration team

maintaining over 1000 UNIX desktop systems and over 30 servers.

Supported IRIX, Linux, SunOS 4.x, and Solaris Operating systems

on both client and servers. Other highlights include:Extensive experience with IRIX 5.3, 6.2 and 6.5.x on both

server and desktop platforms.Worked on committees specifying and designing the campus

client/server network architecture.Designed and implemented a campus wide backup/recovery

system utilizing Legato Networker, SGI servers, and ATL

storage libraries.Planned and executed major campus wide upgrades of

desktop, server, and storage array OS software.Supported storage on UNIX servers utilizing single disks,

host/software based RAID systems, and SGI/Clarion SCSI and

Fibre Channel storage arrays.Maintained NFS, NIS, AutoFS, and Samba server

software.Utilized Jumpstart (Solaris), Kickstart (Linux), and

Roboinst (IRIX) to automate routine server and client

installations.Cooperated and worked closely with development

organizations to ensure that we were providing infrastructure

meeting their needs.Automated routine tasks. Maintained and supported

compilers, editors, debuggers and other development

software.Sep 1994 - Jun 1996 / University of Minnesota

Minneapolis, MinnesotaSenior System Administrator

Technical leader and mentor for 12-15 student employee system

administrators. Our organization supported 7000+ student UNIX

accounts and 3 major Institute of Technology computer labs.

Specific responsibilities:Supported hardware and software for Sun, SGI, HP, and

Linux desktops located in the major campus computer labs.Electronic Postmaster for 7000+ accounts. Designed,

implemented and supported an email system consisting of

multiple email hubs spanning 3 University departments.Participated in the design and roll-out of the

University's first ATM network.Improved network security by developing policies to deal

with security incidents, quickly applying security patches,

and utilizing intrusion detection techniques.Improved our organization's ability to scale by reducing

the number NIS domains, flattening UIDs and GIDs, using the

Modules environment modification software, automating system

installations, and by making the labs as homogeneous as

possible.Supported a research parallel computing lab consisting of

SGI Challenge servers on HiPPI, Ethernet, Fibre Channel (IP),

and ATM networks. Supported OS software, networking, PVM,

MPI, and load balancing software.Deployed the AMANDA backup package to handle all backup

system needs. Trained student operators in both backup and

restore procedures.Deployed terminal servers to allow for remote console

management.Worked with peers to forecast and specify future

laboratory and production server needs.Jun 1992 - Sep 1994 / Cray Research, Inc.

Eagan, MinnesotaProgrammer/Analyst

Worked as a member of the Sun Resource group providing front

line support to Sun, SGI, and Cray users. Provided customer

support specializing in compilers, debuggers, NFS, NIS, and

Email software. Designed and wrote a sophisticated on-line

customer survey tool in C++ which provided valuable feedback

from our customer base. Also:Supported public domain software applications. Installed,

maintained, and supported GCC/G++, GDB, Emacs, X11, Motif, and

Elm.Installed and supported Sun C & C++ compilers. Worked

with engineers to reproduce bugs and escalated bugs to Sun

Microsystems when necessary.Supported hardware and software on over 30 Sun Servers and

1500 Sun desktops. This included SPARC Center 1000, 2000,

Cray CS6400, ELC, and SPARC 5 systems.Wrote a variety of perl, shell and C programs to automate

routine system administrative tasks.Worked as a co-specialist supporting NFS, NIS, AutoFS, and

Sendmail.Jun 1990 - Jun 1992 / University of

Minnesota

Minneapolis, MinnesotaSystem Administrator

Supported the computer science department graduate student

laboratory. Maintained 20 Sun systems and 2 NeXT Cubes.

Additional activities involved:Working as a system operator answering phone and email

requests from customers. Running daily backups using locally

developed software.Supporting and installing X11/GNU products from source

code on a variety of platforms.Jun 1989 - Jun 1990 / University of Minnesota

Minneapolis, MinnesotaLab Consultant

Worked as a lab consultant in the Institute of Technology

Computer Science Laboratory. Primary responsibilities

included:Providing assistance to computer science and engineering

students with the UNIX, VAX, and CDC user and programming

environments.Tutoring and helping students with C, Pascal, Fortran 77, and

assembly language programming problems.Troubleshooting problems with PCs, MACs, Sun 3/50, and SPARC 1/1+

Workstations.EducationSenior, University of Minnesota, Institute of Technology /

Computer Science. Not currently enrolled. 195

current credits.EMC Control Center Management Course - April 2005EMC SAN Management Course - May 2005EMC SRDF Business Continuity - Oct 2005EMC Symmetrix Configuration Management - Nov 2005Fibre Channel Training Course from Solution Technology,

Inc. - June 2002LISA System Administration Courses 1994, and 1997Other Activities / ExperienceJun 1985 - Jun 1987 - U.S. Army/Military Policeman. Served in the

Republic of Panama, Honduras, and Costa Rica. Received the

Army Achievement, Over Seas, and Good Conduct Medals.

Honorable discharge.Jun 1987 - Honorary Citizen of Puntarenas Province, Costa

Rica. for participation in the Puentes de La Paz projectMay 2002 - Professional PADI SCUBA Instructor. PADI IDC Staff Instructor,

Master SCUBA Diver Trainer, and Master SCUBA Diver ratings.Aug 2003 - Technical SCUBA Diver. TDI Advanced Trimix, Trimix,

Advanced Nitrox, Gas Blender, and Decompression Procedures Ratings.Sep 2006 - Licensed United States Parachute Association (USPA)

Skydiver. 325+ jumps. Currently holding USPA-A and USPA-B licenses.Dec 2004, Mar 2008 - Emergency First Aid, CPR, and AED Instructor (PADI)May 1984 - 2nd Place Award / Data Processing & Programming

Division A Competition. WWTI LaCrosse, WI.On going - I run a semi-production environment at my house providing

email and web services to a small group of my friends using Cyrus IMAPD,

Postfix, FreeBSD, Linux, iptables, and a host of other Open Source

software.References

Available upon Request

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