Senior software developer Resume

SUMMARY:

To associate as a senior storage/system engineer with a reputed organization.
Interested to work on system storage, networking, kernel and related technologies.
Strong understanding of operating systems, servers, and enterprise applications, as well as their compatibility with storage architecture, business goals, and technology strategies.
Excellent analytical, problem solving, troubleshooting and debugging skills acquired in the course of my career.
Extensive understanding of UNIX Operating System kernel Design and Implementation.
Working knowledge of FreeBSD and ZFS
Extensive knowledge in Tru64 Unix kernel and TCP/IP components.
Proficient knowledge about SAN technology/components and iSCSI protocol.
In - depth Knowledge of IP networking, network analysis, performance and application issues using standard tools like tcpdump, ethereal, netstat.
Exposure to TruCluster clustering solution and file systems, HPUX and Linux Kernel Internals.
Effective in working independently and collaboratively in teams.

TECHNICAL SKILLS:

TProtocols: iSCSI, SAN, TCP/IP, SCSI Basics, FC Basics

Operating Systems concepts: Unix Internals, FreeBSD; File systems ZFS, Advfs

Languages: C, Shell scripting, C++ Basics, Perl

Hardware Architectures: Alpha, X86, SMP and NUMA.

Debuggers: DBX, Crash, Ladebug, Kdebug, GDB, wireshark, Tcpdump, Ethereal,dtrace

Tools: p4, burt, Bugzilla, SVN, Vsphere, VmwareEsx, hyper - v, vsim manager

WORK EXPERIENCE:

Confidential

Senior software developer

Responsibilities:

Worked on integration of the new firmware of Qlogic FC card onto the FreeBSD’s isp driver.This porting work involved working on the FC driver code, did code changes, unit testing.
Being part of the kernel team, develop and deliver features in kernel components.
Work on customer and QA reported product issues in various components of the kernel.
Performance analysis of the IO stack.Identified one of the performance bottlenecks at geom layer with the zvol threads
Occasionally work with the pre-sales team to provide necessary technical answers for the customer queries.
Worked as a representative for the company product at the vmworld-2014.

Confidential

Member technical staff

Responsibilities:

iSCSI (for SAN target)Module owner/Assistant Tech Lead.
Work in SAN dev team on iSCSI target driver stack for both cluster mode and 7-modeData ONTAP storage operating system.
Work on features for iSCSI TargetListening model for iSCSI sockets. Session/connection scaling.
Implement readonly feature for LUN
Handled the tasks of triage and assignment of customer defects.
Responsible for updating project manager regarding status of development efforts.
Responsible for coordinating with stake holders and solving issues while I worked on features.
Performed code reviews and mentoring for newly joined team members.

Confidential

System software analyst

Responsibilities:

Own Tru64 kernel components - virtual memory, process management, scheduler, networking components
Fix various major defects in Tru64 kernel on time
On-call support 24/7 for critical customer issues, Customer/field interaction.
Reviewer and Mentoring fresher in the team
Test case execution, defect tracking, defect verification.Worked as module owner for kernel/vm team, for Tru64 UNIX operating system.
Day to day work includes analyzing, debugging and solving problems reported by Tru64's customers and by internal test teams.
Analyzing and debugging the kernel defects involves understanding the design logic, code traversal, coding C programs to reproduce/simulate the customer issue, instrumenting the kernel to fix/test the solution.
In depth low level understanding of VM, PM, scheduling, synchronization, Buffer cache.
Knowledge of Alpha, SMP and NUMA architectures and related issues like locking, alignment, cache lines organization in Unix.