Senior Principal Software Engineer Resume Example

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Jessica Claire
Montgomery Street, San Francisco, CA 94105 (555) 432-1000,
Over 20+ years of experience in Unix Kernel and Device Drivers development Highly experienced in architecture and design of PCI-Express and IO Virtualization Strong experience with PCI-Express hardware bringup on Oracle SPARC and Intel Platforms Highly focused, motivated and hard working engineer, always met the targets Experienced in working with geographically distributed teams in large and multiple organizations Member of PCI-SIG Software Working Group
Core Qualifications
  • PCI-Express, SR-IOV, Virtualization (LDOMs, KVM, Xen), Hotplug, High Availability, Predictive Self Healing
  • Protocols: PCI-Express, NVMe, TCP/IP, Fiber Channel, Infiniband, PCI, USB
  • Hardware: SPARC Systems (M-series, T-Series), Intel Servers
  • Operating Systems: Solaris, Linux, Mac OS, Windows, Unix SVR 3.4
  • Languages: C, C++, Assembly Language
  • Tools: PCI-Express, PCI and USB Analyzers, Debugging tools such as mdb, kmdb
Professional Experience
01/2010 to Present Senior Principal Software Engineer Rtx | Indian Hills, CO,
  • Working with Hardware team to architect and re-design next generation SPARC PCI-Express Root- Complex hardware for better error isolation to support high availability for Oracle Engineering and Cloud Platforms.
  • Plus, exploring options to support PCI-Express QOS and ATS features for improved IO performance for Cloud Applications Worked with Hardware team to architect and design new SPARC PCI-Express Root-Complex to support NVMe surprise removal using PCIe DPC feature, IO Cache Scaling, DTU (IO Accelerator), SR-IOV IO Exerciser and Error Injector hardware.
  • Worked on PCI-Express FMA Case Study for Oracle Platforms, identified all PCIe/IO FMA gaps and presented to wider engineering and management teams Lead engineer responsible for PCI-Express Hardware bringup and all Solaris IO software development for SPARC M7/T7 Systems Worked with Hardware team on new SPARC Interrupt Architecture based on priority based Event Queues (EQ) to deliver MSI/Xs, PCIe TLP Processing Hints and Atomics Ops features for SPARC M7/T7 Systems.
  • Plus, lead software design and development for these features Led architecture, design and development of Solaris, and SPARC Logical Domains (LDOMs) support for Dynamic PCIe Bus Assignment to support multiple Root-domains Involved in the definition or direction of IO Resiliency (High Availability) feature for LDOMs that allows rebooting of PCIe Fabric owner while a VM with an SR-IOV VF continue to run.
  • Led architecture, design and development of Solaris and SR-IOV support for LDOMs and Solaris Kernel Zones virtualizations for SPARC and Intel systems including design and development for SR-IOV NIC, Fiber Channel and Infiniband devices.
01/2003 to 01/2010 Senior Staff Engineer Zendesk | KS, State,
  • Founding member of the development team for Solaris PCI-Express Software Stack for Sun's SPARC and Intel Systems Led the design and development for Solaris PCI-Express Framework including SPARC and Intel PCI-Express Root-Complex, PCI-Express Switch and Bridge drivers Led the design and development for Solaris Interrupt Framework to support PCI-Express interrupts MSI, MSI-X, INTx and Messages including NUMA (device locality) based interrupt assignment and distribution and Solaris DDI interrupt interfaces for device drivers Led architecture, design and development for Solaris DMA Framework to support SPARC PCI-Express Root-complex ATU hardware (Multiple TSBs, Large IOMMU pages) including Solaris DDI DMA interfaces Led the design and development for Solaris Hotplug Framework including Virtual hotplug feature used to support IO Virtualization (PCIe Bus, Slot and VF assignments) Lead engineer responsible for majority of PCI-Express Hardware Bringup on all Sun's SPARC and Intel Servers and Workstations.
01/1997 to 01/2003 Staff Engineer Nestle International | Daytona Beach, FL,
  • Founding member of the development team for Solaris Universal Serial Bus (USB) software stack for Sun's SPARC and Intel and Workstations e.g., plug-n-play USB Storage, Keyboard, Mouse, Printer, Audio and more.
  • Design and development of Solaris USB Framework Design and development of USB 1.1 (OHCI) and USB 2.0 (EHCI) Host Controller Drivers Lead engineer responsible for majority of USB Hardware Bringup on all Sun's servers and workstations Represented USB projects to different Architectural and Steering Committees at Sun Microsystems.
01/1993 to 01/1997 Senior Software Engineer Soona | Los Angeles, CA, INDIA
  • Design and development of Real-time drivers for Philips R300 MIPS CPU such as I2C, SIB, and IR drivers for pSOS+ and VxWorks.
  • Design and development of Embedded STREAMS for pSOS+ including porting of communication protocol stacks X.25, SXB (Streams Cross-Bus), PIO (Parallel I/O) and Intellicom8 (Intelligent Async I/O) Streams drivers from UNIX to pSOS environment.
  • Design and development of multi protocol gateway for Indian defense (DLRL, Hyderabad, India).
  • Each gateway supported TCP/IP, X.25, Serial I/O and Parallel I/O stacks.
  • As part of this big project, worked on the following sub-projects and key responsibility includes.
  • Design and development of streams drivers for 8 port serial I/O controller and SLIP protocol.
  • Design and development of streams Cross Bus (Intel 80386 based X.25 controller) host device driver.
  • Configuring and testing of RIP and OSPF routing daemons.
Expected in August 1993 BS | Computer Science Mysore University, , GPA:
Computer Science
architect, Assembly Language, Audio, C, C++, Hardware, Controller, CPU, Debugging, direction, Drivers, engineer, features, gateway, Intel, Keyboard, Linux, Mac OS, Windows, MSI, next, NIC, Operating Systems, Oracle, OSPF, PCI, Printer, Protocols, Express, Real-time, RIP, routing, Scaling, Servers, software design and development, software development, Solaris, Sun, Sun Microsystems, SPARC, Switch, TCP/IP, UNIX, USB 1.1, USB 2.0, USB, VM, VxWorks, X.25
Additional Information
  • PATENTS & AWARDS 2 Approved US patents in PCI-Express Hotplug areasDevice Resource Allocation and Re-balanceVirtual Hot-plugging of IO Devices Achievement awards for PCI-Express software development, Contributions made to SPARC PCIe Root-Complex Hardware Design and SPARC Hardware Bringup in Oracle Corporation and Sun Microsystems, Inc. Achievement awards for USB Framework, Driver development and Hardware Bringup in Sun Microsystems, Inc.

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