Engineer Manager

Sriram Rajan ******.*****@*****.***

www.linkedin.com/in/rajansriram

updated: Nov 2012

Over nine years of hands on experience in computer systems, networks, programming and security. I have

a strong passion for computer science, love problem solving and designing solutions. I have worked on both

proprietary and open source technologies and been part of software development projects. I have achieved

success in high pressure and high revenue enterprise roles and communicated at different levels.

Education & Certifications

Masters in Computer Science [June 03] Bachelors of Electronics Engineering [June 99]

Red Hat Certified Engineer Mysql Certified Database Administrator

ITIL Fundamentals Certification Rackspace Cloud U certified

Employment History

Principal Engineer Feb 12 Current Rackspace Hosting, London, UK

Lead Engineer Oct 07 Jan 12 Rackspace Hosting, London, UK

Systems Programmer Oct 06 Sep'07 Texas State, San Marcos, USA

Systems Administrator Apr 03 Oct 06 Texas State, San Marcos, USA

Graduate Assistant Jan 01 Apr 03 Texas State, San Marcos, USA

KEY CONTRIBUTIONS AND ACHIEVEMENTS

Rackspace Hosting

Principal engineer managing an account base of some of the largest enterprise customers.

Implemented highly available solutions and provided support in strict SLA environments.

Managed complex and high traffic e-commerce environments consisting of firewalls, load

balancers, SAN, DAS, Netapp, clusters, enterprise monitoring, disaster recovery models &

intrusion detection systems.

Experience in migrating solutions across different providers.

Advanced knowledge of Linux, Apache, MySQL & cloud technologies

Participated in key process changes and system deployments across the organization.

Worked with internal teams on PCI (payment card industry) projects.

Collaborated and taught several internal courses across the organization.

Received several recognition including Excellence in leadership and peer of the quarter

Texas State University-San Marcos

Master s thesis in Honeypots.

https://digital.library.txstate.edu/bitstream/handle/10877/3902/fulltext.pdf

Developed & maintained an in house account management system for over 25,000 users

across disparate systems like VMS, Active Directory & Microsoft Exchange.

Implemented a highly available Vmware ESX environment across multiple datacenters.

Managed & developed a payment processing system using Verisign Payflow Pro.

Implemented a service monitoring system (Nagios & Cacti) to monitor over 1000 routers,

servers & services.

Configured a centralized logging system using syslog, snort, tripwire and MySQL and

developed a custom front end to view & report system logs using PHP.

Developed several web applications using PHP & MySQL to provide web based services.

SYSTEMS

Linux

Worked with Red Hat Linux and Unix variants for the past 9 years. I have extensively

worked on NFS, LDAP, DNS(bind), Red Hat clusters, Red Hat RPM & performance tuning .

Commercial technologies include EMC PowerPath, Dell OpenManage, HP ILO & Openview,

Nimsoft Nimbus & Mercury(HP) Sitescope.

Cloud and automation

Working knowledge of Openstack and Rackspace cloud technologies.

Experience in automation systems like Chef.

Experience in big data systems like Hadoop

Working knowledge of Vmware, Xen and related technologies.

Windows

Knowledge of Microsoft technologies like Windows 2003/2008, IIS & Active Directory.

Webservers

Apache: Worked extensively on Apache on different operating systems.

Tomcat/Jboss: Experience in configuration, troubleshooting and basic tuning.

Databases

Mysql: Worked extensively with Mysql/Percona covering different aspects like installation,

multi instances, configuration, replication, performance tuning & query optimization.

Oracle: Working knowledge of Oracle, client utilities and libraries.

Caching & Indexing: Tools like memcache, sphinx and other catching methodologies.

Others

Knowledge of TCP/IP and networking fundamentals.

Message queue sstems like Rabbit, JMS.

Monitoring and statistical tools like Nagios, Nimbus, Sitescope, Awstats, Cacti & Munin.

Working knowledge of Cisco CSS load balancers, firewalls (PIX, ASAs) and Big IP F5.

Software Development

PHP, Perl, Python

Worked on several PHP projects during my role as systems programmer. Used Perl in

automating several system tasks. Over the last 2-3 years have switched to Python for

most scripting.

C, C++

Worked on C, C++ projects during my master s courses and as a tutor for CS students.

HTML & Web accessibility

Achieved 3rd prize in an web accessibility contest with Knowbility

Good knowledge of HTML, XML & Javascript.

SQL

Worked with SQL in the several PHP & Perl projects I did. Have good understanding of

database concepts like indexing, keys, joins etc and worked on tuning queries with

MySQL.

Software development tools

Familiar with collaboration tools like launchpad, git, svn.

Programming environments like Eclipse.

Security

PCI DSS understanding and implementation knowledge.

Knowledge of firewalls, Linux Iptables & NAT.

Security tools such as Snort, Nmap, Nessus, Tripwire, Rkhunter, Auditd & Splunk.

Alert Logic IDS & Log Manager.

Others

ITIL Fundamentals & certification.

Interviewing, Hiring & supervising employees.

Collaboration tools like Microsoft Project & Sharepoint.

Contact this candidate