John Hartzell Email & Phone Number

Lincolnshire, Il, Us

Harwood Heights, Il, Us

Assigned to Dabir Engineering, responsible for test and compliance functions for pressure ulcer prevention equipment.Orchestrates regulatory approvals for medical devices per IEC 60601-1 and related standards, including EMC, usability, home healthcare, and lithium batteries. Facilitates certification activities to maintain market access domestically and internationally, including application of UL and CE marks. Evaluates components, PCBs, wiring, and materials from outside vendors for compliance to standards.Manages multiple test projects with outside laboratories. Requests quotes and negotiates price and schedule, organizes technical documentation, identifies representative test samples, and reviews test reports. Spearheads evaluation of electrical safety, EMC, usability, and shipping requirements.Coordinates testing for new product development. Defines, writes, and performs test protocols, including material endurance, impact resistance, electrical safety, and usability validation.Interprets standards and acquires technical guidance from regulatory and certification agencies. Provides input during design process. Reviews updated standards and conducts gap analysis. Implements risk management activities per ISO 13485 and ISO 14971 and generates associated documentation.Facilitates successful inspections of products and maintains product listings.Uses strong investigative, research, and project-coordination skills, and has relevant understanding of product development processes, materials, and production techniques. Serves as subject matter expert and communicates requirements to others.Represents test and compliance functions on cross-functional teams.

Bloomingdale, Illinois, Us

Assigned to Medical Device Engineering/Quality Assurance, responsible for regulatory and compliance functions for medical imaging (x-ray) equipment.Orchestrated regulatory approvals for products per IEC 60601-1 and related medical device standards. Facilitated certification activities to permit sale of medical devices domestically and worldwide, including application of UL, ETL, and CE marks. Evaluated components, PCBs, wiring, and materials from outside vendors for compliance to standards.Spearheaded evaluation of products to electrical safety, EMC, and usability requirements. Managed multiple projects with outside testing laboratories, including UL and Intertek. Requested quotes and negotiated price and schedule, organized technical documentation, identified representative test samples, coordinated manufacture and shipment of samples, negotiated most advantageous test plan, and reviewed test reports.Interpreted standards and acquired technical guidance from regulatory and certification agencies. Served as subject matter expert, provided input during design process, and ensured compliance with standards throughout product lifetime.Attended design reviews and provided input to engineering and manufacturing for validation and verification testing. Implemented risk management and post-market surveillance activities per ISO 13485 and ISO 14971.Facilitated successful inspections of products and maintained product listings.Used strong investigative, research, and project-coordination skills, with relevant understanding of product development processes, materials, and production techniques. Mentored and led project teams on regulatory and compliance issues and communicated requirements to others.

Northbrook, Illinois, Us

Assigned to Product Safety, responsible for determining compliance to standards from UL, CSA, NSF, ANSI, and IEC for a variety of products and customers.Performed safety assessments of electronic appliance controls and commercial cooking and food preparation equipment, including electrical and gas-powered equipment, for global customers.Completed complex projects to customers' satisfaction, with much spoken, written, and face-to-face interaction, including extensive travel. Provided technical support to other engineers, field service personnel, sales representatives, and customers. Trained and mentored junior staff. Planned and coordinated projects for others.Coordinated massive review of appliance construction and performance to new NSF requirements, preventing the need for recertification of hundreds of products.Used with proficiency electrical test equipment, such as oscilloscopes, power supplies, multimeters, leakage current meters, and temperature chambers, both in specialized Product Safety labs and at customer facilities.

Newark, Nj, Us

Assigned to EnergySaver Engineering, responsible for the hardware design and support of lighting control systems. Performed system and module level redesigns for cost reduction and product reliability improvement, including performance monitoring, communication, embedded firmware control, and power distribution subsystems. Evaluated field failures and hardened sensitive circuits to hostile environments.Performed system level redesigns for international standards.

Carrollton, Tx, Us

Assigned to TITAN 5000-Series Engineering, responsible for the hardware design and support of digital cross-connect systems. Performed design, test, and support of high speed port modules (STS-1E and DS3). Performed design and project management for module used to route ATM (Asynchronous Transfer Mode) cells and provide diagnostics and performance monitoring. Successfully overcame design challenges such as PCB layout for high speed signals (up to 622 MHz), implementation of available devices, FPGA incorporation and layout, microprocessor integration, power and noise reduction, and thermal distribution issues.Used FPGA-based simulator module to pre-test VLSI device circuitry. Wrote VHDL code and performed device test plan, including jitter generation and sensitivity, line encoding/decoding, and desynchronization.Served on integration team for system synchronization module (per Stratum 3 and 3E requirements) and performed validation testing, including sensitive wander transfer and generation tests.Evaluated component and VLSI device replacements, analyzed intermodule communications, addressed component and manufacturing issues, characterized system noise, and quickly diagnosed system and module failures to keep products off production hold.Performed various feasibility studies and served on project teams, including product definition and cost reduction. Mentored younger engineers and interviewed prospective team members. Attended document and schematic reviews and served as all-around technical resource. Worked with the Mentor Graphics suite of schematic capture and PCB design tools.Familiar with T1, E1, DS3, SONET, and ATM digital data formats.

Schaumburg, Illinois, Us

Assigned to 360-Series Channel Bank Engineering, responsible for the hardware design and support of T1 digital transmission and signaling equipment. Performed specification and design of T1 transceiver and channel bank control module with performance-enhancing monitor circuitry. Redesigned modules to replace custom devices with off the shelf components. Performed sensitive transmission evaluations such as longitudinal balance and envelope delay distortion.Wrote VHDL code for FPGA to shuffle channels of a T1 stream in real time. Investigated modem performance using various devices in a dual line mux product. Created designs for similar port modules to reduce the number of distinct PCBs to be purchased.

Mount Prospect, Il, Us

Assigned to Telecenter Engineering, responsible for the hardware design and support of the Telecenter IV and V school communication systems. Supported system modules including phones, Central Office and PBX trunk interfaces, and control interfaces for media devices such as TVs and VCRs.Created product specifications for media control subsystem that included infrared transmitters and receivers, system interface modules, and media device controllers. Performed feasibility studies and developed cost estimates for all subsystem modules. Designed infrared receiver module hardware. Design criteria included low power consumption, compatibility with various Telecenter and PBX systems, phone interaction, and low cost.

Assigned to Research and Development, responsible for the hardware design and support of the Call Processing Exchange automated attendant and voice mail system.