Ralph Siegler

rsiegler [AT] rsiegler [DOT] org

Wheeling, IL USA



Enterprise Unix / Linux Engineer November 2004 to Present

SSI - Northbrook IL



Pre-sales engineering and systems architecture, on-site implementation, migrations to x86 and Itanium2 SAN-based virtualization, clustering and migration solutions for clients including a Healthcare Practice Management provider, City of Chicago departments, Chicago Public Library, Cook County, McHenry County, State of Illinois.

Software development of e-commerce and medical billing applications in PHP 5 (object oriented) and Adobe Flex (MXML) with Postgresql DBMS backend utilizing web frameworks including Symfony.

Project scheduling and estimates, white papers, configuration, and documentation for multi-tier and clustered data center contracts.

Internal FreePBX / Asterisk Deployment and Customization with Cisco SIP Phones (7960, 7961, 7940) and Power over Ethernet.

Internal deployment and Customization of Krytronic ClickCartPro based quotation system and wrote bulk loading system for efficient product configurator production.

Roles: Liaison to client management and IT departments, project scheduling and estimating, technology support to sales department. Systems Architect.

Technologies: VMWare ESX; Veritas Foundation Suite, Legato, GNU / Linux; Debian Linux;Ubuntu; Red Hat Linux; SuSE Linux; CentOS Linux; Arch Linux; HP/UX; Solaris; Apache; PHP; Ruby / Rails; C / C++; Java / J2EE; Oracle RAC; Hitachi Thunder; HP EVA and EMC Clariion SAN disk arrays; Brocade and McData Switches, Cisco switches and routers.





Contractor - Project Scheduler February to October 2004

Atlantic Union Resources at Palisades Nuclear Power Plant - Covert, MI



Pre-outage and refueling outage scheduling of construction activities including flow accelerated corrosion (FAC) and in service inspection (ISI). Scheduling of trades including scaffolding carpenters, insulators and asbetos abaters, pipefitters, iron workers, electricians, machinists, painters, heavy equipment operators, and radiation safety technicians.

Customization of Open Plan and integration with mainframe AMMS system, Microsoft Access and Excel.

Roles: Liason to plant management and scheduling department; construction management and supervisors; estimators and schedulers.

Technologies: Open Plan, Primavera, Ruby and OLE.



One of three owners / Entrepreneurs April 2002 to January 2004

MailMediaOne – Rockford, IL and Boston, MA



Design of multi-tiered modular Customer Relationship Management system. Beta tests of system with prospects and investors.

Roles: inventor, software engineer, systems architect.

Technologies: Java / J2EE, Tomcat, Perl 5.5, Red Hat Linux, Microsoft Project



Manager of Advanced Technology October 2000 to April 2002

yesmail – Chicago, IL



Managed developers and contractors to engineer CRM systems requiring one tenth of server count of existing systems, QA tools, operations and management modules.

Technologies: Solaris, GNU / Linux, Java / J2EE, Oracle, MS-SQL Server, C / C++, Perl 5.5 , Microsoft Project

Roles: Manager, software engineer, systems architect.





Senior Product Research Engineer April 1998 to September 2000

rims, inc. - Naperville, IL



Create new products to replace legacy mainframe and Unix based health insurance claims adjudication software of QicClaim 2. EDI and XML based EDI architectures. Integration of J2EE products with legacy wares. Beta tests with clients of new products in data center. E-commerce XML transaction and database architecture and software engineering.

Roles: Software engineer, systems architect, liaison to client's IT.

Technologies: Java / J2EE, MicroFocus COBOL including objective extensions, QicClaim / 2, rims ECSIF, CORBA, RMI, ANSI X12 837 and 835 transactions, HP/UX, AIX, Red Hat Linux, Windows NT.





CADD Manager / Special Project Manager August 1995 to April 1998

Zenith Controls – Chicago, IL



Manage switchgear design and drafting group, head company projects including document management and groupware. Customization of CADD, CAE, CAM and MRP systems. Conducted company wide training in new IT project implementations.

Roles: Manager, systems administrator of CADD / CAE / CAM systems, trainer, programmer

Technologies: Solaris, AutoTrol, Windows NT, AutoCAD, Pro/E, Novell Groupwise, Novell Netware, Microsoft Project



Computer Professional 1989 to 1995

Consultant 1987-1988

Fermi National Accelerator Laboratory – Batavia, IL



Administration of VMS and Unix systems, DECnet, TCP/IP networks, customization of CADD, creation of estimating system based on MEANS database, customization of scheduling system and integration with subcontractor's software. Conducted training in engineering and integration tools.

Roles: Programmer, systems administrator, trainer.

Technologies: VMS, Solaris, SunOS, NextStep, IRIX, Windows NT, C, C++, Objective C, Pascal, FORTRAN, AutoCAD, AutoLISP, Open Plan, Primavera Project Planner (P3).



Consultant - Dental Practice Automation 1986

Practice Management, Inc – Downers Grove, IL



Accounting, office management and collections system implementation and automation. Training of office staff in practice management software and computer operations.

Roles: Systems administrator, trainer

Technologies: Novell, Arcnet, Btrieve, COBOL, MS-DOS





B.S. in Engineering Physics, 1986



Certified Sun Systems Engineer

Certified HP/UX Administrator

Certified HP Integrity Application Integration Specialist (AIS)

Certified SAIR/Linux Administrator

Certified EMC Clariion SE

Certified Symantec / Veritas Netbackup Designer



updated 22 September 2009