Sudhir Krishnan Email & Phone Number

San Francisco, California, Us

Responsible for Quality (functionality/reliability/scalability) of SteelFusion product. SteelFusion protects, speeds up, and manages data access across the WAN.

Santa Clara, California, Us

• Designed and developed an object oriented framework for testing Hitachi NAS (file) and SAN (block) storage products. Test framework consisted of test harness, perl/python test libraries, and shell scripts to interface with backend CLI.• Developed tools to provision storage from available pool and run regression tests on a nightly basis. • Wrote automated tests to certify storage APIs for functionality such as storage pool creation/deletion, filesystem creation/deletion/mount/unmount/format, get/set filesystem/NFS export details, filesystem lock set/unset etc.

Houston, Texas, Us

• Performed automated functional and regression testing of HP Arcsight logger, a security intelligence and risk management (SIRM) platform. • Logger collects, categorizes, and normalizes data from over 350 sources such as routers, switches, firewall, syslog etc. and stores compressed CEF (Common Event Format) data to DAS/NAS/SAN• UI provides fast and efficient event search, analysis, alerting and reporting.

San Jose, California, Us

• Designed and developed VAST (Virtual Automated Service Test), a perl/shell framework to test backend Tivo services using VMware VSphere Perl SDK. VM operations such as vm create, clone, poweron, poweroff, shutdown, reboot, suspend, snapshot, migrate etc. are done programmatically.• An entire Tivo service cluster containing multiple admin, masters, keyservers, refservers, distributors, app servers, db servers and HA servers could be installed/setup in minutes with VAST.• Developed automated unit and smoke tests to verify sanity of service clusters (Linux servers)

Boston, Massachusetts, Us

• Managed QA and release engineering for a multi-tier web based application that monitors the reputation of, and improves the email delivery rates (and hence revenue) of large volume senders (customers).• Core products were Delivery Monitor, Reputation Monitor, and Content Module. Sender Reputation was calculated based various factors such as email volume, complaint rates, black list, ISP filtering etc.• Effectively employed automation to reduce testing cycles including: development of automated test tools, test harness and automated functional and performance tests, for both UI and backend services.• Developed tools for production performance monitoring and generating alerts on network/product failure.• Designed database models to support automated testing by simulating test scenarios in a small footprint• Single-handedly planned and executed end-to-end product testing for a number of major releases.• Provided consultation and guidance to project/product managers, customer service, and development including benchmarks, product requirements and resource planning.• Handled release engineering operations such as branching, merging, building RPMS and developed automated deployment tool.• Handled parts of operations and product support e.g. cutover of release in production, customer support for the web services component etc.

Pleasant Hill, California, Us

• Designed and developed Operation Support System/Billing Support Systems (OSS/BSS) for Wi-Fi networks. Also managed build environment and automated testing. The solution comprised of the following• Authentication/Authorization/Subscriber Management and Billing• System Management: Heartbeat for system services with customizable error reports• Network Services: DNS, DHCP, IP Routing/ Forwarding, NAT, Custom static/dynamic IP allocation• Security: Custom Firewall for MAC/TCP/UDP filtering, ICMP blocking/ multiple login detection etc.• QOS: Bandwidth Throttling and IP Accounting• Admin Interface: Web UI for User reports, subscriber support, system configuration and monitoring• Administered DNS, DHCP, CVS, NFS, NIS, Apache, mail, Bugzilla on Linux, Solaris and Windows• Developed regression test system for an ISCSI based RAID product (Intransa) using Perl, CGI, bash

Sunnyvale, California, Us

Built the entire QA framework (using Perl, C/C++, CGI, mysql, Shell) for an anti-spam product including:• Test harness, Test APIs for sendmail, milter, mailstone, quarantine, logging, and spam processing• Automated functional tests for both Solaris and Linux versions of products in the areas of anti-virus, content filtering, spam analysis, high-level rules/policy generation, software updates and upgrade.• Web based test-reporting programs to view harness reports and interface with Bugzilla.• Performance and stress tools to test sendmail, milter and quarantine performance.• Monitoring tools to graph memory usage/leaks and watchdog scripts and QA lab setup.• Automated tools to test email appliance functionality and performance.

Armonk, New York, Ny, Us

• Designed and Developed “Inventory Scout” (enterprise software update /VPD manager) Automated the processes of gathering, comparing and installing microcode and vital product data▪ Developed software in C/C++/Java/sockets to work for all RS6000 systems including Regatta▪ Developed tools in C/C++/shell/Perl for automated installation, testing, and documentation• Developed tools in Perl/CGI/PHP/Shell to simplify/automate many IBM processes, such as:▪ “DefectCop” - web based tool that generates reports and alerts regarding software defects▪ “FixAIXCops” - script that checks the system for security violations and fixes them▪ “LIStat” - web based tool that monitors status of Line Items• Provided level III compiler and system support▪ Diagnosed/fixed problems in various AIX compilers (Visualage C/C++, Java, Fortran)▪ Wrote test cases in C/C++(STL) with shared libraries, threads, sockets, RPC and IPC▪ Solved pre-processing, optimization, linking, and loading issues▪ Dealt with installation, licensing, standards compliance, compatibility and porting issues▪ Fixed defects in the AIX boot process, system configuration, File-system, LVM and networking

• Performed testing and development on NDS for Linux▪ Installed NDS for linux, Novell Windows Client and setup PAM to authenticate Linux users via NDS▪ Migrated users in files/NIS+ to NDS, tested various administration tools that need to be NDS aware▪ Developed an architecture using JNDI by which file and print support can be added to NDS on linux• Developed “iServ” (a Linux appliance for email management) Wrote shell scripts, CGI, JSP, Servlets and C/C++ programs that constituted modules for:▪ User Login/Logout, user configuration (Add/Delete/Modify user properties)▪ Network configuration (IP, hostname, domain etc), Proxy and DNS server (bind) management▪ System monitoring, Backup/Recovery, ISP dialup, dialup scheduler, shutdown/reboot▪ Configuration of MTA, mail aliases, mail forwarding, filtering and pop/imap client (fetchmail)▪ Linux installation using Redhat Kickstart, configuration of apache and dialup protocol(PPP)• Developed “Directory Enabled Policy Administrator” (a policy based networking framework)▪ Facilitated administration of enterprise-wide network access policies through NDS/DHCP▪ Directory-enabled dhcpd (C code) to offer IP addresses based on NDS userid (instead of MAC)▪ Designed NDS schema for the policy objects that translate into DHCP configuration▪ Implemented policy objects and a Netware loadable module to capture login events• Developed “Directory Enabled Mail Administrator” (mail server management through NDS)▪ Designed NDS schema for mailserver object, which was managed via ConsoleOne▪ Wrote scripts to automate management of sendmail, user accounts, pop/imap▪ Automated mail forwarding, aliases and filtering thorough Shell/Perl scripts▪ Developed a Unix daemon in C that executed above scripts to service snapin clients ▪ Installed and configured Solaris, Linux, windows and Novell Directory Services▪ Administered NFS/NIS, Apache, DNS, DHCP, squid, samba.

In

• Investigated parallel processing in Linux with PVM and MPI• Developed a Linux text editor/IDE in C++ and an SQL parser implementing SELECT, FROM, WHERE• Wrote a latex macro package to add hyperlinks to a latex document• Administered Solaris and Linux (X Windows, Apache, NFS, NIS, Sendmail, Samba)

Bachelor'S Degree, Computer Engineering

Higher Secondary Certificate, Physical Sciences

Secondary School Certificate