Cloud-based DevOps administration and development.

Instructor for CIS 201 UNIX/LINUX Operating Systems, an online class. Implemented virtual lab for CIS 201 using AWS integrated with Canvas, the learning management system (open source) used by Santa Barbara City College.

Development environment: C/C++, BASH, Python, Linux, Windows 10, ArduinoDeveloped multi-threaded, RTOS application software and firmware for proprietary IoT control hardware integrated with cloud-based management in a small-team, startup environment.Hardware based on Atheros AR 9331, Qualcomm QCA931, Atmel Sam D MO+ Microcontrollers (Arduino). Used OpenWRT operating system.Additionally, worked on digital signage performance enhancements for Raspberry Pi 3 Model B+. Ported applications to proprietary network server (Intel Atom/ Ubuntu).Integrated third-party alarm panels (ZKTeco, Alula), sensors (Monnit, Honeywell, GE), and fingerprint readers. Also, security cameras/NVRs (Brovotech, Invid,Oviss) via ONVIF, XML and gSOAP.Firmware development (Arduino) supporting access control (Wiegand), wireless sensor communication, and keypad entry.Developed software-based alarm panel responding to wireless sensors and wired keypad entry in a distributed environment.Developed framework for distributed applications using REST API on top of lighttpd web server. Prototyped MQTT version.Utilized Wireshark to reverse engineer proprietary protocols. Resolved BigEndian LittleEndian differences.Improved thread-safety of existing code.Mentored newly-graduated engineers.

Development environment: Linux, C, BASH, Python, MySQLMember of small team in start-up environment. Developed software for ZNYX ATCA Top-of-Rack Ethernet switches and carrier-grade server blades utilizing Broadcom switching silicon.Significant experience with:Embedded, multi-threaded RTOS development, including kernel and driver modifications. TCP/IP protocol stackStandards-based development using IETF RFCsIdentification and integration of open source software packages, e.g. Quagga routing software, to meet product requirements.Broadcom Network Switching SDK.Customer-driven enhancements and support.Implemented backend portion of web-based network management and monitoring application. Utilized Zenoss and MySQL working in Python.Implemented and enhanced IPv4, IPv6, VXLAN, VRRP, IGMPv3, IGMP Snooping (using iptables), Spanning Tree, LACP (trunking), and GMRP/GVRP.Responsibility for design and maintenance of networked-server test beds, and development of test tools.Prototyped VM propagation and management using OpenStack on KVM.

Development environment: UML/Rational Rose, Visual C++, Java, Windows NTDesigned and implemented generic portal application capable of delivering device-specific content for PC, PDA and WAP browsers. Development environment: Java (J2EE: EJB, JSP; JDBC; JDOM), BEA WebLogic Application Server, iPlanet Directory Server (LDAP), Oracle8i (SQL), Cocoon, XML/XSL, HTML, WML, WAPLite Gateway.Designed and developed persistent data storage and retrieval logic using Versant OODB. Extended functionality of state-driven unified messaging user interface and corresponding multi-threaded test tool for generating call traffic. Development environment: UML/Rational Rose, Visual C++, Windows NT

Ported third-party router software stack. Developed user interface. Completion of TCP/IP applications, extensive bug-fixing, and performance tuning of third-party code.

Responsible for delivery of major software releases for ACC’s bridge/router product line. Gained reputation for innovative responses to resource shortages, while maintaining aggressive schedules. Projects lasted 6 to 12 months and involved teams of up to 15 individuals.As program manager, led ACC’s first cross-functional program team. Developed program processes and procedures. Defined engineering methodologies and documentation standards. Improved test procedures, including implementation of complex testbeds to simulate real network traffic. Received major company award for this effort.

Led software project teams in development of fault-tolerant, real-time networking switches.

Member of seven-person team that developed word processing package for IBM PC market.