David Zuhn Email & Phone Number

Saint Paul, Mn, Us

Santa Barbara, Ca, Us

Devices and software for control of model railroads. Created micro controller based products (schematics, board layout, software) to interface to various components of a model railroad (throttle, lights, detectors, servos, motors, etc.) using various communications systems (Bluetooth Low Energy, RS-485, WiFi, LocoNet). User interface applications (iOS/Swift, Electron/node.js, JMRI/ Java). Designed custom boards, Arduino shields, and Raspberry Pi Hats.

Norwalk, Connecticut, Us

Managing all things security related to cloud managed networking gear.

Abbott Park, Illinois, Us

Development of systems used in performing cardiac ablation, a treatment for atrial fibrillation.Embedded systems work in the regulated medical device industry. Managing requirements, software development, and test designs. Hardware selection for new product designs. Common communications architecture for multiple products. Cybersecurity planning and implementation. HW & SW project planning & reviews. Architectural planning for future products.(St Jude Medical acquired by Abbott January 2017)

St. Paul, Minnesota, Us

Development of systems used in performing cardiac ablation, a treatment for atrial fibrillation.(Saint Jude Medical acquired by Abbott January 2017. Position continues as the same job, same desk, same building)

Round Rock, Texas, Us

Greenfield development of new product (OnRack) to provide automation interface for hardware management at rack scale -- machine setup, OS installation, system monitoring. Worked on CTO project to release EMC code as open source. Assisted with system architecture & design. Developed build & release system for the product. Led build & release teams in California and China. Security Champion / liaison with EMC Product Security Office.

Fairfax, Va, Us

System design, implementation and integration of special purpose high performance computing devices. Analysis of high speed communications systems. Planning for datacenter scale systems deployments. Developed management software for multi-site deployment of systems for continuity purposes. Worked with government customer to promote use of open source software.Technical lead on libraries to implement Cryptographic Message Syntax (RFC 3852). Developed radar systems interface for perimeter security project. Internal R&D projects.Development in Perl, Java, Python, and C for Linux and Windows systems (COTS and embedded).Security clearance: TS/SSBI FSP BG.

Wore many hats as early engineering employee of supercomputing startup.

Upgraded the build process with speedups and repeatability as primary concerns. Achieved 400% improvement in build times.

Developed solutions for Single Sign On, LDAP integration and other authentication techniques. Site visits in conjunction with sales to initiate engagements with Fortune 500 customers. Technical lead as those engagements progressed. Liaison back to engineering and marketing for technology and code developed within Professional Services.

Us

I provided technical resources to the sales organization. This included customer visits, trade shows, proposal responses, product installation & support, demonstration lab management and developer level communications with the engineering team.

Early employee of the first company to make a profit supporting free software. Release engineering for GNU cross compiler tool chains. Porting software to multiple UNIX systems. Customer support. Community relations. Supported sales department with customer visits and at trade shows.

Bachelor'S Degree, Information Tech. Management

Geography, Computer Science