Daniel Ortmann

dortmann31415@yahoo.com

612.518.3147 cell

Minneapolis MN, Cedar Rapids IA, Detroit MI,

Austin TX, Dallas TX, Boston MA, Nashville TN,

Silicon Valley CA, Seattle WA

OBJECTIVE

Challenging work involving at least one of the following areas: Software Engineering in Python, Perl, C or assembly, Systems Engineering, Release Engineering, Unix System Adminstration, Software Quality Assurance, hardware, embedded firmware, hands-on use of lab equipment, user support and business decisions.

SUMMARY

A self-directed and resourceful individual with strong Perl, Python, Linux, C, Java and other automation skills combining theory and practice. A "nuts and bolts" programming engineer, able to rapidly invent and implement practical methodologies using Linux System Administration skills. Contributing Author to two international PCI bus specifications. Have solved and automated many systems in various roles and industries, preventing problems and increasing productivity. Previous Roles: Systems Engineer, Application Engineer, System Administrator, Release Engineer, Python Developer, Perl Developer, C Developer, Embedded Developer, SQA Analyst.

PROFESSIONAL EXPERIENCE SUMMARY

• Rockwell Collins Cedar Rapids IA FCS Systems Engineering Requirements Design Docs Jul 2007 – Present

• GetConnected Boston MA RelEng Subversion Cfengine Infrastructure May 2007 – Jun 2007

• LSI Logic Minneapolis MN Perl Python ClearCase DesignSync Support Jan 2006 – Dec 2006

• Medtronic Minneapolis MN Python C SQL Oracle CVS HTML QA Audit Nov 2004 – Jan 2006

• LSI Logic Rochester MN Python PCIX Hspice Simulations CAD IT Oct 2001 – Nov 2004

• IBM Rochester MN Perl PCI Spice Simulations CAD IT Jun 1996 – Aug 2001

• Great Plains Software Fargo ND Perl SQL SQA VisualBasic Jun 1993 – Jun 1996

• NDSU Fargo ND HPUX Design Lab System Administrator May 1993 – Aug 1993

• NDSU Fargo ND Graduate TA 68HC11 Modula-2 Sep 1991 – May 1993

TECHNICAL SKILLS

Operating Systems: Heavy Linux, FreeBSD including kernel configuration, installations, upgrades, networking. Admin and upgrades of Windows XP, Windows 2000.

Programming Languages: Heavy Python, Perl. C/C++, MC68000 Assembly, Java, Tcl, ksh, sh, bash, Doors DXL, CORBA.

Programs Developed: Doors automated linking, Standard compliance and simulations (Perl, Python & Hspice), audits of logs vs bug tracking system (C & Python), circuit checking (C), CVS/Python (C & Python), AFS meta-mirroring (Perl), graphics 2-D transformations and measurements (C & math).

Operating Systems: Heavy Linux, FreeBSD including kernel configuration, installations, upgrades, networking. Admin and upgrades of Windows XP, Windows 2000.

Version Control Software: Heavy Subversion, CVS, RCS. ClearCase / ClearQuest, DesignSync.

RDBMS: Oracle with table design, constraints and triggers. MS SQL Server installs and testing.

PERSONAL EXPERIENCE DETAILS

• Supported 85-120 electrical design engineers at IBM; soaked up knowledge on a range of subjects including Hspice and circuit simulation, low- and high-frequency noise analysis, place-n-route, graphical layout, IO design, analog circuit designers for PLLs and hard drive “channel” development, memory & array designers, optical devices, etc.

• PCI bus standard validation for both IBM and LSI Logic.

• Solved 3d graphical perspective equations using L-U decomposition in C to measure, to rotate orthographically and to print 2d traffic accident skid marks for use in expert-witness court testimony.

• Wrote a photo digitizer for an HP plotter with a fiber optic site to measure 2d surfaces from 3d photos.

• Created a printer driver to print orthographic projections.

• MC68000 assembly and C code, coprocessors, device driver, printer rendering functions and system library study on Amiga OS.

• Linked and ran C with MC68000 assembly code; understand C and Pascal calling conventions.

• Created an IBM EEPROM programmer for a 12-channel laser driver / receiver program using Perl, an AIX running RS6000, the parallel port, serial data clocking and oscilloscope trigger signals.

• The EEPROM programmer was ISO-9000 compliant, enabling saving of lab settings and log data.

• Sysadmin for the NDSU design lab's HPUX equipment during a major OS & hardware upgrade.

• Teaching Assistant for the NDSU MC68HC11 embedded lab.

• Studied Win32, the Petzold book and DLLs for 6 months at Great Plains Software.

• Performed x386 assembly code reviews for 32-bit mathematical functions at Great Plains Software.

• Experience with Visual C and BoundsChecker from a QA perspective.

• Maintained and added features for an for IBM Circuit Methodology Checking C CAD program designed to process domino logic circuits.

• Performed noise analysis for IBM circuit designers and provided quality feedback and testcases to the tool developers.

• Studied the ANSI C Standard Rationale.

• Wrote an IEEE Floating Point Standard TRUNC function in 68000 assembly.

• Read several books on portable C including AT&T's book “Portable C” and several “Waite” and “Sam's” series of books.

• Took a Numerical Analysis course.

• Performed simulations and analysis using the Python Matlab-like NumPy numerical module.

• Experienced using the Metascope debugger to examine Amiga OS and driver memory.

• Created a working compiler / interpreter linking both C and assembly.

• Wrote MC6800 assembly using hexcodes entered by a Heathkit keypad.

• Experienced with TTL logic prototyping including 555 timers, counters, debounced switch circuits, clock circuits, S/R & D flip flops.

• Practiced breadboarding, wirewrapping and soldering while working nights as a night desk clerk during college.

• Studied digital logic, TTL and CMOS cookbooks.

• Modified the 386BSD sio.c serial device driver code slightly to recognize modem.

PROFESSIONAL EXPERIENCE DETAILS

Rockwell Collins¹, Cedar Rapids IA Jul 2007 – Present

Systems Engineer / Contract RSE

• System Engineer for an advanced computer enclosure to process TS/SCI data (Top Secret / Sensitive Compartmentalized Information).

• Computer system requirements.

• Computer system design documents.

• Telelogic Doors and automated requirements linking using Python, Doors DXL and spreadsheets.

• ClearQuest problem reports.

GetConnected,² Boston MA May 2007 – Jun 2007

Senior Release Engineer / Contract

• Release Engineering, Cfengine, Subversion, Ant and Perl support and development.

• Misc tools used by the group, not necessarily personally used: Agile, Lisa, CruiseControl, Nagios, Cacti, Eclipse, Subclipse, Sonic, Solr, Java EE, Tomcat, Sun AppServer, JBoss.

LSI Logic,³ Minneapolis MN Jan 2006 – Dec 2006

Application Engineer / Contract

• Contract renewed: 6 months, 1 month, 3 month and 1 month.

• Automated aspects of the release process by creating Python code to convert 10,000 lines of Perl module code to spreadsheet CSV format for sorting, debugging and editing in a spreadsheet.

• Wrote Python code to convert the spreadsheet CSV back to the Perl module format without loss.

• Supported users with the release process, debugged and fixed user problems.

• Performed ClearCase version control maintenance and user support.

• Imported a vast amount of hardware designs into the DesignSync version control system.

Medtronic,⁴ Minneapolis MN Nov 2004 – Jan 2006

Senior Programmer / Contract

• Contract renewed: 6 months, 6 months and 3 months.

• Wrote code with extremely low bug count.

• Telelogic Doors and DXL coding.

• Modified the C code CVS and RCS to generate Python data structures.

• Created Oracle SQL tables with constraints and triggers, and wrote Python code to manipulate the tables.

• Wrote CGI code in Python to enable users to schedule automatic software builds.

• Uncovered system-level design problems with Perl which inhibit testing.

• Redesigned the old Perl code to fix the issues.

• Translated code from Rexx and Perl to Python.

• Performed code repository audits, disseminated Unix, emacs and Python skills.

• Performed code analysis of C++ code initialization at Medtronic using the Abraxas tool.

LSI Logic,⁵ Rochester MN Oct 2001 – Nov 2004

Senior Design Engineer

• Performed PCI-X Mode 2 standards verification signal integrity work, from a software methodology point of view, ensuring a buildable standard by finding margins through careful measurements, and providing early feedback to circuit designers. Developed PCI-X methodology and code using Python and Hspice to ensure a buildable standard by automatically generating netlists, running simulations and measuring Hspice graphics files for correct behavior, including adequate source synchronous setup and hold times. ⁶

• Rapidly researched and delivered a cross-probing solution (inter-tool communication) for a high-profile demo using C++, Java and CORBA, enabling demonstration of company tools interacting with industry standard programs.

• Corrected and enhanced local LSF license manager code to track licenses quickly and accurately, saving money by increasing license utilization.

• Facilitated project communications by administering Red Hat Linux, performing system updates, configuring the Apache web server, and ensuring data security via PAM, LDAP and Samba.

IBM,⁷ Rochester MN Jun 1996 – Aug 2001

Engineer/Scientist

• Designed the PCI-X Mode 1 methodology and code in Perl to enable the PCI-X standards committee to automatically build PCI-X circuit netlists and directory structures, perform millions of circuit simulations, and collect and analyze the data, resulting in high confidence in the PCI-X standard. Received special commendation by name, along with the chairman and vice chairman, out of 839 people from over 20 companies in the final PCI-X congratulatory letter. Also received an IBM Peer Award for performing 25 man-years of work in 5 months through automation. ^{8 9}

• Built a significant Perl/Tk program to configure a 12 channel laser driver chip by clocking setup data into the chip through the parallel port, resulting in an easily maintainable program which was used heavily to tune the laser driver channels and to program EEPROMs. Received an IBM Peer Award. ¹⁰

• Received an IBM Peer Award for outstanding Perl support, including compiling, testing, installing, using and supporting numerous versions of Perl and Perl/Tk, and much individual tutoring and script writing. ¹¹

• Devised an AFS meta-mirroring system for automatically synchronizing files and directories used by a circuit delay rule generation system, resulting in cross site update times decreasing from more than a month to a couple of hours with improved accuracy.

• Rewrote Perl code which modified circuit netlist device names, allowing simulation of mixed technology circuits, resulting in execution times dropping from 25 minutes to 16 seconds.

• Implemented periodic background error checking and warning for common simulation data file corruption problems, resulting in user simulation support issues decreasing from 4 out of 5 days to 1/2 day per month.

• Devised a technique to start up a ksh shell environment from a csh shell environment, resulting in a large reduction of maintenance formerly requiring separate computer accounts with different shells.

• Maintained and added features to a circuit checking CAD program, resulting in numerous design problems being identified and fixed.

• Performed noise analysis on custom logic PowerPC circuits, rewrote the TCL code controlling the analysis, and wrote Perl and MatLab code to statistically analyze the data, resulting in higher design confidence.

• Automated notification of simulation upgrade needs by writing code to periodically retrieve and analyze simulator web site information, and email the report, resulting in early notice of simulator upgrade needs.

• Redesigned a technology specification file and automated file verification and reporting, easing maintenance and greatly reducing errors.

• Supported circuit designers using transistor level circuit simulators.

• Taught a Perl class.

Great Plains Software,¹² (accounting software), Fargo ND Jun 1993 – Jun 1996

SQA/Analyst (2.5 years)

• Received commendation and award for independently, quickly and accurately designing the server-side installation on Microsoft SQL Server for a major release of corporate accounting software under extreme time pressure, rescuing the software release schedule. ¹³

• Received commendation and monetary prize for importing the Microsoft DLL API calling conventions into the company development system, resulting in greater software capability. ¹⁴

• Recognized and reported a software license legal issue.

• Searched, sorted, analyzed and reported database index usage using Perl, resulting in database performance improvements.

• Installed and administered Microsoft SQL Server for developers, facilitating product development.

• Configured network and software systems similarly across versions of Microsoft Windows, saving developer debugging time.

Programmer/Analyst (.5 years)

• Studied Visual C/C++, Visual Basic and DLLs until company restructuring.

North Dakota State University / NDSU,¹⁵ Fargo ND

Unix System Administrator HPUX Installations and backups May 1993 – Aug 1993

Graduate Teaching Assistant Modula-2 and M68HC11 EV Board Sep 1991 – May 1993

EDUCATION SUMMARY

North Dakota State University / NDSU, Fargo ND

MSEE – Electrical Engineering [GPA 3.33/4.0] Dec 1999

Minot State University / MISU, Minot ND

BS – Computer Science [GPA 3.37/4.0] May 1989

BA – Physics and Music [GPA 3.37/4.0] May 1989

BA – Mathematics [GPA 3.48/4.0] May 1987

AA – Engineering Studies [GPA 3.37/4.0] May 1989