Greg Linder: The Resume

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Greg Linder
Inventor and Multidisciplinary Engineer

glinder@linderlabs.com
(217)621-2372
www.linderlabs.com

Objective

I have a passionate interest in solving integrated engineering and control problems, with over 15 years of experience across many engineering disciplines. I provide innovation-for-hire services cutting through multiple technical barriers, including cross-platform SCADA integration for renewable energy generation, systems integration, machine building, and turnkey innovation from concept-to-prototype for integrated control and data acquisition equipment.

Qualifications

  • 4 years of experience with substation communications and relay programming
  • 8 years of experience with SCADA for distributed generating assets, including solar, wind, biogas, and reciprocating engine systems.
  • 6 years of data remote data radio design and implementation, including wireless mesh, 900MHz line of site, and various WiFi systems
  • 10 years in embedded system design using multiple types of microcontrollers
  • 8 years in PLC system programming, design, and panel layout
  • 7 years PCB design and layout experience
  • Extensive international travel and multicultural collaboration experience
  • Highly collaborative and friendly personality
  • Avid collector and restorer of computer hardware, with 20 years of experience in machines going back nearly 50 years, including a PDP 8s, a Symbolics 3600, and several VAX/VMS machines.
  • Working knowledge of many things including solar panel manufacturing, utility metering and protective schemes, substation automation, solar inverter communications protocols and maintenance procedures, machine tool operation, network security, embedded systems programming, mesh network and wireless data systems, SCADA and remote telemetry systems, power electronics design and testing, rigging, circuit board layout, electronics repair and installation, Virtual Private Network (VPN) configuration and deployment, electric machinery and drives, computer networking, pneumatic and hydraulic systems, electrical codes, scuba diving, high vacuum systems, carbon fiber layup and autoclave procedures, swing dancing, battery technologies, commercial and residential wiring standards, control panel design and layout, inventing and innovation

Education

  • MSEE, Clarkson University, May 2009.
  • BSEE, University of Illinois Urbana-Champaign, May 2005
  • Completed coursework required for a BS in Computer Engineering also at University of Illinois
  • Extensive study in Photovoltaic Engineering in 2003-2004 from University of New South Wales, Sydney, Australia.

Professional Memberships and Certifications

  • Colorado Professional Engineer (December, 2014)
  • IEEE member since 2003, particularly active in the PES (Power & Energy Society)
  • ASES (American Solar Enery Society) member since 2007
  • American Society of Agricultural and Biological Engineers (ASABE) member since 2009
  • Amateur Extra radio licensee, call: KC9OPU
  • ARRL (American Radio Relay League) member since 2009

Experience

Linder Engineering Works, LLC: Founder (Denver, Colorado) (2008 - Present)
  • Provided consulting services and electrical engineering services for numerous industries
  • Integrated emerging data protocols with industrial control protocols, including various solar protocols, such as the SunSpec Alliance, SMA Sunny Data, and the OpenADR demand management protocol
  • Designed and constructed hardware and developed firmware for Microchip PIC-based embedded systems, including a multi-axis motor drive device with wireless mesh data aggregation and precision distance measuring system for pneumatic tools
  • Managed production run of electrical devices, including part sourcing, shipping, assembly, programming, testing, and warranty services
  • Managed the development and deployment of web-based asset monitoring system.
  • Prepared patent drawings and paperwork for several devices
  • Performed mechanical design of assemblies and systems for pneumatic placing tools
  • Prototyped and tested encoderless universal dual-axis solar tracker controller
  • Developed embedded indoor-agricultural controller system for low cost control of indoor aeroponic and hydroponic growing systems.
Kleinfelder Group, Project Professional (Denver, Colorado) (October 2014 . Present)
  • Provides SCADA knowledge base to Kleinfelder team for 100.s of MW of solar systems
  • Designed and implemented large-scale reservoir monitoring ADAS system
  • Support substation protective relay setting and SCADA design efforts
Juwi Solar Inc: SCADA Engineer (Boulder, Colorado) (July, 2010 - August 2014)
  • Upgraded existing SCADA system for increased reliability
  • Deployed full plant-wide configurations in Subnet Solutions Substation Server platform for data integration of solar plant assets, including various brands of inverters, weather stations, protective relays, utility meters, and programmable logic controllers
  • Designed and configured SCADA Master, including operator screens, redundant database configuration, web interface, and user management using the Control Microsystems ClearSCADA host platform
  • Designed and implemented VPN solution for secure plant to control center communication using DNP3 over IP and OPC
  • Designed and managed construction of electrical panels for utility-scale solar plant control, including integration of PLCs, temperature rated computers, uninterruptable power systems, radio communications systems, and DC and AC sensing
  • Designed custom shunts and sensing equipment to allow revenue grade measurements on both DC and AC sides of an inverter
  • Responsible for the design, implementation, and commissioning of the Juwi SCADA system, which currently monitors nearly 200 MW of PV generating capacity across six states
Clarkson University: Research Assistant (Potsdam, NY) 2007-2009
  • SCADA system design for the Clarkson Anaerobic Manure Digester project
  • Designed and built 500 gallon trailer-mounted portable anaerobic digester
  • MS Thesis topic: Failure Analysis and Smart Grid Control Protocols for Anaerobic Digesters
SolFocus Inc: Intern (Mountain View, California) Summer 2008
  • Assisted with installation and commissioning of SolFocus solar tracking systems
  • Installed and configured equipment for solar telemetry and control systems
  • Vigorously advocated teh use of utility-standard control protocols and hardware to solar field control
Chicago Spotlight (Chicago, IL) 2006-2007
  • Performed system commissioning and installation for building-integrated lighting control networks
  • Trained others in the use and installation of dimming and control equipment
  • Worked side-by-side with electricians on the installation of lighting control systems
  • Repaired numerous theatrical electrical systems, including automated fixtures, follow spots, lighting control consoles, and dimming equipment
SmartSpark Energy Systems (Champaign, Illinois) 2005-2006
  • Designed and built a large scale PLC based water-immersion battery cycling test system
  • Wrote firmware for a family of proprietary PIC-based non-dissipative battery charge balancing systems
  • Researched and engineered mil-spec solar encapsulation and electronics packaging solutions
  • Performed trial installations of SmartSpark's proprietary charge balancing technology
  • Designed and built family of small-scale low power data acquisition boards for battery system characterization
University of Illinois Future Energy Challenge 2004 (Urbana-Champaign, Illinois) 2004-2005
  • Controls team leader for the design of experimental high-efficiency 500 watt variable frequency drive
  • Designed and wrote PIC18 firmware in assembly language
  • Designed and built hand-wired prototype hardware to test code prior to PCB completion
  • Laid out and designed several generations of printed circuit boards containing inverter, control, and digital input/output isolation hardware
  • Performed system characterization and testing on control/inverter section, including significant work using dynamometers and power measuring equipment
University of New South Wales Solar Racing Team (Sydney, Australia) 2003-2004
  • Assisted with the preparation of the UNSW Sunswift II solar car for the 2003 World Solar Challenge
  • Mechanical Team Leader for the initial design phase of the UNSW Sunswift III
  • Negotiated sponsorship contracts for fiberglass materials supply, mold release agents, and large-scale CNC machining for the initial tooling
  • Directed development of mechanical design for components of Sunswift III, including steering systems, suspension, trailer, monocoque chassis, and composite materials
  • Researched and proposed the low-temp carbon and fiberglass tooling system used for the manufacture of Sunswift III
  • Manufactured and cooperated with others in the design and debugging of a custom maximum power point tracker (MPPT) for the UNSW Sunswift II electrical system
  • Participated in publicity for solar cars and high efficiency vehicles through radio interviews, NRMA shows and CeBIT Australia
George L. Clark X-ray Facility (Urbana, Illinois) 2000-2005
  • Designed custom cable support bracket to address design oversights in Kappa-geometry diffractometer
  • Responsible for the operation and maintenance of the laboratory's Windows network
  • Performed maintenance and repair work on x-ray diffraction equipment
Fermi National Accelerator Lab (Batavia, Illinois) 2001-2003
  • Co-authored ''Measurements of high order modes in high phase advance damped detuned accelerating structure'' for the Next Linear Collider (NLC) project
  • Designed and constructed a semi-automatic single-disk RF testing stand for the NLC
  • Performed preliminary design work for a fully automated high-volume RF disk testing and sorting system, including automatic loading, test, transport, and unloading of samples under test
  • Assisted with the installation, leak checking, and acceptance procedures of a large vacuum furnace for brazing accelerating structures
  • Performed RF analysis of accelerating structures using Agilent network analyzers and LabVIEW
  • Researched, tested and priced various hardware/software platforms for the Next Linear Collider (NLC) group's simulation computing needs, including programming and running test jobs on Ansys HFSS and Microwave Studio
  • Recovered presumed-lost magnet data and fortran code from legacy VAX/VMS systems
University of Illinois School of Chemical Sciences (Urbana-Champaign, Illinois) 2001-2002
  • Designed and constructed an in-situ platinum polishing attachment for a kappa-geometry x-ray diffraction instrument
Aberle GmbH and Company (Gutach, Germany) 2000
  • Performed shop floor tasks, including manufacturing parts, programming machines, and quality control
  • Assisted with time lines and documentation plans for ISO 9001 compliance
Norris Cultural Arts Center (St. Charles, Illinois) 1997-2000
  • Responsible for maintenance of theatrical electrical systems, sound equipment, rigging and hydraulics
  • Performed in run crew roles, including set construction, lighting and sound design, fly rail operation, and special effects
Other experience
Publications and Presentations
  1. Linder, Greg, Marques Montes. Demonstration of Inverter Based Grid Voltage Support Functions on 19 MW (DC) PV Generating Facility. Presented at the 2014 joint ASES and Intersolar conference. San Francisco, California.
  2. Linder, Greg, John Tembrock, Tony Motisi, Electra Lamb, Dave Kubat, Mike Pauly. AC and DC Restoration for Utility Scale Photovoltaic Generating Assets. Presented at the 2012 IEEE Power and Energy Society Transmission and Distribution Conference and Exposition. Orlando, Florida.
  3. Linder, Greg. Communications Reliability for Utility Scale Photovoltaic Plants. Presented at 2011 Subnet Solutions User Group, October, 2011. Austin, Texas.
  4. Linder, Greg. Subnet Solutions' Substation Server Simplifying Solar SCADA. Presented at 2010 Subnet Solutions User Group, October, 2010. Phoenix, Arizona.
  5. Linder, Greg, Stefan Grimberg, Ph.D., Comparison of Monitoring Systems for Anaerobic Digesters. Presented at 2010 IEEE Power & Energy Conference New Orleans, Louisiana
  6. Linder, Greg, Stefan Grimberg, Ph.D., Eric Thacher, Ph.D. Shaun Jones. Implementation of a Distributed Standard Anaerobic Digester Control System Based on Observations from Real World Failure Analysis. Presented at 2009 ASABE Annual International Meeting
  7. Linder, Greg. The Importance of Standard SCADA Protocols to the Reliable Operation of Distributed Farm-Scale Anaerobic Digesters. Presented at 2009 IEEE PES Power Systems Conference and Exposition, Seattle, Washington
  8. Linder, Greg. Failure Analysis and Smart Grid Control Protocols for Anaerobic Digesters [Thesis] Clarkson University, May 2009
  9. Romanov, Gennady, Tug Arkan, Harry Carter, Timergali Khabiboulline, Gregory Linder. Measurements of high order modes in high phase advance damped detuned accelerating structure for the NLC. Proceedings of LINAC 2004, Lubeck, Germany.