GARY STUBBLEFIELD

***** ********* ******, *****, ** 68116 • Home: 402-***-**** • Cell: 402-***-**** • acy4ir@r.postjobfree.com Professional Summary

Controls Engineer with 25 years of experience. Areas of expertise include programming, HMI Development, instrumentation, networks and subsystem communication. Very good communication and teamwork skills. Skills

Yokogawa DCS CS3000 and Centum VP Networks

Rockwell PLC Controllogix, PLC5, SLC Electrical systems troubleshooting Modicon PLC programming Motor Control Centers

Instrumentation Foundation Fieldbus, As-I bus, VFD configuration and programming discrete, 4-20mA Creative problem solving

HMI FactoryTalk View, SL Graphics, Wonderware Comfortable in a team environment as well as Troubleshooting working alone

Work History

Owner/Senior Controls Engineer, 08/2014 to Current GDS Automation, Inc – Omaha, NE

Working to start up natural gas based ammonium nitrate fertilizer plant. Performing Yokogawa DCS programming and HMI development. Designing new control loops. Performing SIL tests for the control interlocks on the safety system.

Performed re-start activities on 2 ethanol plants in Nebraska and North Carolina on the Yokogawa DCS platform.

Performed controls start-up of a wood pellet plant in Canada and executed several projects for a baby wipes manufacturer located in Arkansas on the Rockwell platform.

Helped to convert a paper machine to a fluff dryer. Fluff is an absorbent material used in the manufacture of feminine products and other products requiring high absorbency. This was a reverse engineering project from ABB to ControlLogix.

Senior Controls Engineer, 01/2012 to 08/2014

Rockwell Automation – St. Louis, MO

Based out of my home in Omaha, NE working on system design and software design for customers in food, beverage, household and personal care division.

Performed digital bus network (AS-I and Foundation Fieldbus) design.

Lead a checkout and commissioning team for a large potato processing plant.

Designed and implemented system sequencing based on a functional specification and implementing S88 batch control standards.

Performed Factory Talk View SE HMI design.

Owner/Senior Controls Engineer, 05/2011 to 01/2012 GDS Automation, Inc – Omaha, NE

Reverse engineered a DOW Mod5 system to be re-deployed on a Novatech D3 DCS platform.

Provided remote support for Yokogawa CS3000 customers in Nebraska, Indiana, Illinois and South Dakota.

Project Engineer, 10/2007 to 05/2011

FeedForward, Inc – Marietta, GA

Based out of my home in Omaha, NE working on system design and software design.

Supported Yokogawa DCS and Rockwell clients.

Performed project management which included system review, project design, implementation, FAT, site management and ongoing support.

Managed all customers in the Midwest as well as supporting projects nationally.

Participated in multiple plant startups.

Designed and implemented system sequencing based on a functional specification.

Configured foundation fieldbus instruments and segments, Profibus motor controls, PLC subsystem communications as well as 4-20ma and discrete instruments. Senior Controls Engineer, 11/2006 to 10/2007

Engineering, Automation and Design – Omaha, NE

Worked on the Yokogawa CS3000 DCS and Rockwell Controllogix platform.

Responsible for the design of hardware architecture and software development as well as implementation and checkout for chemical, ethanol, bio-diesel production facilities.

Oversaw the projects and secured resources to accomplish repairs/re-design for instrumentation and piping as needed.

Startup and commissioning of new facilities and systems.

Worked with and troubleshot various communications protocols including Profibus, Foundation Fieldbus, As-I bus, modbus, and Ethernet.

Provided training for ongoing support of the system to inside employees. Automation Superintendant, 07/2006 to 11/2006

ADM – Cedar Rapids, IA

Responsible for coordinating all process controls and IT related activities for a large corn milling facility with five direct reports (3 process controls engineers, 1 database administrator, 1 I/T specialist.) The system is composed of the Novatech D3 DCS, Modicon Quantum I/O, Rockwell PLC5s and SLCs, industrial Ethernet, Data highway, and Modbus.

Worked to implement a new process controls methodology from manual operations with electronic interface to fully automated systems with sequential state control and enhanced messaging available with a new SL graphics package.

Helped to implement a new data historian (Osi software's PI system) which includes the training of all users, configuration of new system, and setting up standards for tag configuration.

Developed a disaster recovery program for all servers.

Developed a training program for new hires that would simulate processes and allow the students to interact with the equipment in order to gain a deeper understanding of how the computer systems actually control these processes.

Worked on a long term project to create P&IDs for the facility and update all controls to reflect the new drawings. Senior Automation Engineer, 07/2005 to 06/2006

Degussa Corporation – Blair, NE

Responsible for managing all necessary tasks associated with the DCS including project and maintenance work coordinating with contractor resources.

Troubleshoot, execute and manage the maintenance/repair of hardware/software problems in all control systems for DCS, Programmable Logic Controllers, Data Historian and related equipment.

Responsible for negotiating and reviewing contracts with IT, DCS and PLC related service providers on an annual basis.

Wrote, proposed and managed all capital work related to the plant control systems.

Served as the primary site contact for all IT related issues.

Managed all assets associated with the plant and administrative networks.

Monitored and managed systems resource usage.

Assured that all documentation associated with the various systems is kept current.

Responsible for defining and developing training programs and manage the formalized training sessions on the process control system, data historian and related applications. Automation Programmer, 10/2004 to 07/2005

Cargill Food and Pharma Specialities – Blair, NE

Responsible for day to day support of existing automation system.

This includes control system HW/SW troubleshooting and repair, system upgrades, maintenance, control loop tuning and troubleshooting, and process optimization.

Responsible for design, purchase, and implementation of system upgrade from NT 4.0 server to W2K3 server based system.

Design and implement DCS control system software including SABL, master device and controller design/configuration.

Working with instrumentation specifications for expansion project to better coordinate programming and commissioning efforts.

Assist E/I with the troubleshooting of field instrumentation and motor controls. Process Controls Programmer, 10/2001 to 10/2004

Cargill Crop Nutrition – Riverview, FL

Performed day to day in-house support on a large-scale control system (DCS & PLC) supporting sulfuric acid production, phosphoric acid production, granulated fertilizer production and animal feed ingredients production which included control system HW/SW troubleshooting and repair, system upgrades, maintenance, control loop tuning and troubleshooting, process optimization, and the engineering and management of control system related projects.

Performed all aspects of automation projects which included specification, design, purchasing, assembly, testing, installation, & start-up.

Designed and implemented extensive PLC logic using Allen Bradley Logix 5, 500, 5000 and Controllogix software.

Designed and implement DCS control system software including SABL, master device (Boolean logic) and controller design/configuration.

Assisted E/I with the troubleshooting of field instrumentation and motor controls.

Performed commissioning/startup activities on numerous projects.

Performed system administration on our PI system including archive maintenance and backup, tag configuration, and user account management.

Designed and implemented several projects for network infrastructure installation. Process Controls Programmer, 02/2000 to 10/2001

Midwest Lysine (Cargill Joint Venture) – Blair, NE

Responsible for all issues related to extensive control system (primarily D/3 & some small PLCs) operating the lysine (amino acid) production facility.

My role included control system HW/SW troubleshooting, system upgrades, maintenance, control loop tuning and troubleshooting, process optimization, and the engineering and management of control system related projects.

Was the lead process controls programmer for the startup/commissioning of the facility.

Performed all aspects of checkout and commissioning including sequence design/implementation, controls design/implementation, testing, and field calibration.

Designed and implemented extensive sequential state logic (SC/SA) in the DCS.Worked considerably with flexbatch, writing SABL code to support recipe batching. Wrote and maintained PLC logic using Concept programming software on Modicon PLCs.

Automation Programmer, 05/1997 to 02/2000

Cargill North American Sweeteners – Blair, NE

Performed day to day in-house support on a large control system (DCS & PLC) controlling Cargill's wet corn- milling facility which included Control System HW/SW troubleshooting, system upgrades, maintenance, control loop tuning and troubleshooting, process optimization, and the engineering and management of control system related projects.

Designed and implemented extensive sequential state logic (SC/SA) in the DCS.

Wrote structured text code (SABL sequence and batch language) and configured devices connected to the control system. Wrote Modicon PLC code with Concept programming software.

Assisted with migration from VMS to Windows NT DCS version to insure Y2K compliance.

Built a simulation lab with attached instrumentation for operator training and instructed process controls class for operators in a skills based incentive program. Operations Technician, 10/1994 to 05/1997

Cargill North American Sweeteners – Blair, NE

Responsible for plant operations related to the process area of the wet corn milling facility.

This included steep house operations, starch production and dryer operation.

One of the original team members for the startup/commissioning/operation of the Blair facility.

Helped to write many of the original site-specific standard operating procedures (SOPs) for the department.

Wrote lockout/tagout and confined space entry procedures for the process area. Maintenance Technician, 09/1993 to 10/1994

Armor Swift Echrich – Omaha, NE

Responsible for electrical/mechanical maintenance and repair of equipment used in the manufacturing and packaging of sliced meat products.

Wrote and maintained PLC logic on Allen Bradley PLC5s and SLCs.

Designed, fabricated and programmed a rotary table used to fill, weigh, and package sliced pepperoni.

Maintenance Technician, 09/1989 to 07/1993

Pepsi Cola Bottling Co – Omaha, NE

Responsible for electrical/mechanical maintenance and repair of equipment associated with the bottling line and packaging of soft drinks.

Wrote and maintained PLC logic on Allen Bradley and Texas Instruments PLCs.

Wrote first draft of a site-specific lockout/tagout program at the facility. Education

Bachelor of Science: Management of Information Systems, Bellevue University - Omaha, NE

Graduated With Distinction

Associate of Applied Science: Computer Science,

Gateway Electronics Institute - Omaha, NE

Graduated with 3.9 GPA

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