Unix/Linux Admin

Name: Dave Malhotra

Title: Solaris/Linux and Network Administrator

Total Experience: Technical – 10 years

Contact: email: ************@*****.***; cell 240-***-****

Education Graduated

University of Maryland at College Park 5/2008

B.S. in Computer Science

Competencies

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System Admin • Solaris, Redhat Linux, Windows, VMWare, Xen, Openfiler

Network Admin • Cisco IOS, Firewalls (Checkpoint, PIX, Netscreen), Loadbalancers (F5 BigIp), LAN switching

Applications • Webservers (Apache, iPlanet), Veritas Volume Manager, LVM

Hardware • Sun Sparc, HP, Dell, Cisco

Scripting • Perl, Bourne Shell, Bash, Expect

Programming • Java, C, C++, Lisp

Familiarities

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Databases • Oracle (including RAC), MySQL

Applications • Weblogic, Coldfusion, Veritas Netbackup, IIS

Networking • Routing protocols (BGP, OSPF), CatOS

Systems • Sun Cluster, Egenera

Monitoring • Sun Management Center, Big Brother, HP Openview, Puppet

SAN/NAS • EMC Symmetrix, Connectrix, Netapp filers

Summary

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Mr. Malhotra has ten years experience working in the system and network administration arena. He has worked on commercial as well as federal projects. He has held mostly operational roles performing implementations and providing ongoing support. The technical environments he has worked in have been very diverse, requiring him to have intermediate to advanced levels of knowledge of systems administration as well as intermediate knowledge of networking, and a basic knowledge of database and SAN administration. Some roles have at times required him to have modest project management skills, whereas others needed the ability to make a crossover cable or build a rack. Beyond his administration skills, he has modest abilities as a programmer which are there to be utilized if the right position comes along. He also has an interest in developing his skills in the following areas beyond there current level (in no particular order): databases, application servers, architecting and project management.

Professional Experience

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Linux System Administrator Dept. of Homeland Security — Chantilly, VA 6/2008-9/2008

• Worked in small team responsible for 15 production servers and 10 test servers. Worked mainly with Linux (98%) with slight Windows (2%) administration.

• Worked in a group doing operations and maintenance for the COP (Common Operational Picture) project.

• Position was temporary. Project was slated to be taken over by a different contracting company at the beginning of the new FY.

• Worked in a small team with a project manager, database admin and developers.

• Environment included Oracle running on RHEL5 for the backend database, and Windows running Apache and Tomcat on the front and middle-tiers.

• Helped create documentation based on IEEE standards and built-out a development/testing environment to mirror production.

Linux System Administrator National Park Service — Washington, DC 11/2007-5/2008

• Worked in a medium-sized team responsible for 20 servers. Worked mainly with Linux (90%) with some Windows (10%).

• Worked in a group doing the development and on-going support of the NPS website (www.nps.gov) and associated domains.

• Worked directly with project managers, developers and other system and network administrators.

• Maintained legacy shell scripts.

• Did a lot of Apache administration.

System Administrator AOL, LLC — Dulles, VA 4/2006-2/2007

• Worked in a systems administration group responsible for 5000 Linux (90%), Solaris (5%) and HP-UX (5%) servers running internal billing and datawarehousing applications.

• Position was different from his previous positions in that it concentrated solely on systems administration without having to wear any other hats. Other groups dealt physically with the systems hardware, network administration (but of course he still needed to network troubleshoot from the systems perspective), SAN administration, etc.

• Worked in a team with a tech lead and six other local sysadmins and many other admins located remotely in different countries.

• Did a lot of work with Veritas Volume Manager, LVM and SYMCLI to create volumes on SAN storage.

• Got exposure to HP-UX administration.

• Because of the number of servers, needed to script many routine administrative tasks to be efficient.

System/Network Administrator Qwest Communications — Sterling, VA 6/2001-1/2006

• Employed by the professional services arm of Qwest’s datacenter collocation business.

• Same type of position as the one just held at Exodus. The difference was that instead of being in a shared pool working on many different customers, he was dedicated to one major customer at a time (with some smaller assignments on the side).

• First customer was Fleet Securities—the online trading arm of a FleetBoston bank. He helped build out and then provide ongoing support for their Disaster Recovery site. He worked on a team with one other local sysadmin and three remote sysadmins.

• Fleet Securities DR site consisted of 30 Sun enterprise servers, 10 Cisco network devices (redundant 6500s, various workgroup switches, routers, PIX firewalls), EMC Symmetrix storage, Connectrix fabric switch and a four-node Oracle RAC cluster (using EMC storage)

• Subsequent customer was the Treasury Department’s treas.gov website. Took over existing support from another engineer.

• Worked alone supporting 20 servers running Solaris (with iPlanet webserver) and Windows 2000/2003 (with JRun).

• Interfaced directly with Treasury Project Manager, Treasury web development team, various government contractors working on the site in different capacities.

Staff Consultant Exodus Communications — Sterling, VA 7/2000-4/2001

• Moved to Exodus’s professional services arm. A lateral to modestly upward move.

• Proserv hours were sold to customers inside of the local datacenter. Customers were assigned to a project manager who would assign tasks to him and the other Proserv engineers.

• While mainly a Solaris administrator, he performed a wide-range of tasks for various customers. Examples include: setting up Checkpoint firewalls, PIX firewalls, configuring F5 BigIPs loadbalancers, Alteons, Arrowpoints (now Cisco CSS), configuring Cisco switches, Linux administration, setting up Apache, IIS, racking and stacking equipment, cabling, many different troubleshooting scenarios.

Unix System Administrator Exodus Communications — Sterling, VA 8/1998-7/2000

• Exodus was a datacenter provider that offered collocation services for large websites and enterprise customers.

• Worked in a team with three other local sysadmins and interfaced with various other local groups (network engineers, NOC personnel, Project Managers, Facilities, Sales, etc.) and with centralized groups located at corporate headquarters (e.g. managed Firewall group, Backbone Engineering group).

• Provided second-tier support (there were three tiers total) for internal Exodus servers (mainly Solaris) located in the Virginia datacenters.

• Provided break-fix support for Exodus customers willing to pay Time and Materials. Customers had diverse configurations exposing him to many different types of systems and networking equipment and datacenter practices.

Customer Support Engineer Digiweb — College Park, MD 7/1997-8/1998

• Digiweb was a webhosting company serving the SMB market.

• Worked graveyard shift.

• Answered phone calls and worked tickets doing first-tier support.

• Used slow periods to learn system administration. Mainly Solaris.

Certifications/Exams/Courses Date Passed/Taken

Solaris Certified System Administrator for Solaris 7 8/1/2000

Solaris Certified Network Administrator for Solaris 7 8/1/2000

Cisco Certified Network Associate 9/18/2000

Cisco Certified Network Professional 12/29/2000

Cisco Certified Design Associate 1/31/2001

CCIE Routing/Switching Written – Never took lab 3/14/2001

Certified Information Systems Security Professional 4/6/2001

Cisco Pix Fundamentals Exam 4/7/2001

Sun Cluster Administration 3/29/2002

Sun Certified Programmer for the Java 2 Platform 1.4 3/28/2003

Sun Certified Web Component Developer 6/12/2003

Project Management Professional 7/11/2003

Microsoft Certified Professional 5/13/2004

EMC Associate 1/22/2006

Veritas Certified Specialist 9/22/2006

Information Technology Infrastructure Library v3 Foundation 6/7/2008

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