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Active Directory Engineer

Location:
Centennial, CO, 80015
Salary:
100k-110k
Posted:
August 08, 2012

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Resume:

JOHN J. TEJADA

***** **** ********* *****

303-***-**** Centennial, Colorado 80015 qbps8r@r.postjobfree.com

SUMMARY

Highly successful System Administrator with a solid background in operating systems, application, software, diagnostic skills, and configuration management. 10 years of broad experience in networking and systems analysis/design with direct industry experience. Experienced in creating practical designs that meet security goals without hampering productivity or usability. Advocate of data center consolidation through VMware technology. Proven ability to find and implement the most cost effective solutions to meet business goals.

Demonstrated areas of expertise include:

• VMware ESX/ESXi 4.1/5.1

• VMware vCenter 4.1/5/1

• VMware P2V

• MS SQL Server 2005/2008 • Symantec End Point Manager 11

• Blackberry Enterprise Server

• NAS/SAN/LAN/WAN/VPN

• Powershell/VMware PowerCLI • DNS/BIND/DHCP

• GPMC–GPO/Active Directory

• Window 2008 R2 / Windows 7

• RedHat Enterprise Linux 5.4/6.1

PROFESSIONAL EXPERIENCE

Raytheon

Senior Windows/VMware System Administrator March 2010 to Present

• Configure several virtual environments consisting of vCenter, Datacenter, Cluster, HA, DRS(ESXi 4.1/5.1)

• Deployed ESXi 4.1/5.1 on IBM/HP, Blade Center and Rack mount servers

• Deployed several Windows 2008 R2/7 and RedHat Enterprise Linux virtual machines from templates, and images using Microsoft Deployment Tool Kit 2010

• Configured and managed different storage platforms EMC NS-480, IBM DCS 3500/3700 utilizing iSCSI, NFS (MIXED and NATIVE), CIFS, and Fiber Channel protocols over RAIDs 5, 6, and 10

• Deployed multiple development and operational labs supporting over 1000 physical and virtual servers

• Security Hardening- Windows 7/2008 R2 and ESXi 4.1 to DoD, NISPOM, and DIACAP standards

• Built multiple forest domains with trust as well as single forest with child domains

• Managed and troubleshot VMware, GPO, Active Directory, and DNS related issues

• Created Powershell, VMware PowerCLI, and VB Script to stream line processes

JPSS program

• Assisted our System Engineers design our Domain Controller structure for our operational Labs

• Discovered a major network design issue between the ESXi and virtual machine storage

• Recommended and Implemented VMware’s best practice for virtual networking i.e. vSwitch

GPS-OCX program

• Designed core infrastructure services for several operational environments that support over 1500 servers spanning nine geographical locations

• Engineered the functionality of each core Infrastructure service utilizing Windows 2008 R2 and Redhat 5.4 - DC, Open LDAP, DNS/BIND, Anti-Virus (SEPM), Print Services, Patch Management, Windows Build Infrastructure, Software Deployment, SCCM, MDT2010, SQL 2008, and DHCP

• Introduced and designed virtualization saving the program $300k in Hardware for the Core Infrastructure Services in the development labs using VMware ESXi 4.1

• Lead a trade study to virtualize the entire architecture for the customer showing a development cost reduction of 2.5 million and a conservative ROI of $11 Million over 5 years

• Took an operational type lab and P2Ved all servers and workstations running a side by side performance comparison. This include 40 servers and 25 workstations running over 6 physical servers

Raytheon

Senior Systems Administrator, RSA Security June 2009 to March 2010

• Implemented 3 virtual isolated infrastructures including a DMZ supporting 3 spacecraft missions for NASA

• Supported Windows Server 2000/2003 Active Directory as the Administrator

• Configured VMware ESX and ESXi 3.5 Servers from command line as well as GUI interface using iSCSI

• Configured Virtual Center and managed all ESX and ESXi servers

• P2Ved several developer desktops to take advantage of virtualization benefits and saving space.

• Created Server images for the physical servers using Ghost and Templates for virtual Servers

• Built Domain Controllers and configured the Active Directory Structure and DNS zones

• Set up Hardware RAID 50, 10 and 5 using HP MSA 2000 (SAN)

• Configured Symantec End Point Manager (SEPM) 11 on SQL 2005 Database

• Integrated SEPM with Active Directory, set up groups, polices and firewalls

• Configured Integrated Lights OUT (ILO) on all physical servers

• Set up, Configured, Built images, and trouble shot HP Thin Client 5730 and 7720 QFE

• Performed Security Scans and Window Server Hardening using Foundstone foundscan

• Setup the Single root Certificate Authority on both Domain Controllers in the DMZ

• Help maintain RSA server by setting up users, synchronize tokens and troubleshooting connectivity issues

Raytheon

Systems Administrator Integration Technologist November 2008 to June 2009

• Supported Windows Server 2003 Active Directory

• Participated in technical review meetings with internal and external representatives in regards to back up technology

• Trouble shot DNS, TCP/IP, DHCP and LDAP Administration and troubleshooting

• Created VBScripts to reset all user passwords, create users, and add DNS entries saving the company a half days worth of administration time

• Created a Disaster Recovery plan for their legacy environment and implemented it

• Participated in the Print Smart project going green by removing all unnecessary HP printers

• Became a Raytheon Six Sigma Specialist

PC/Client Server Analyst December 2007 to November 2008

• Supported Windows Server 2000/2003 Active Directory Administration

Remy Corporation

Systems/Network Support Engineer at Blue Sun October 2007 to December 2007

• Setup an FTP server on the DMZ network and configured the Fortigate 100A router so that it can be accessed remotely

• Set up and fixed VPN-SSL - VPN-SSL certificate issue on the Fortigate 100A and 300A router

• Helped redesign their network for the new office

• Set up a wireless access point connection for the office

• Set up WISE thin clients for users to access their virtual workstations

• Recommend anti-virus software for the company and deployed the software to all workstations

• Set up and configured black berries email with their POP server

MWH Global

Senior IT Field Engineer/Technical Support Specialist July 2003 to May 2007

• Supported Windows Server 2003 Active Directory

• Provided technical expertise to clients on special projects and also as a technical expert and resource specialist to the Field Engineers and Help Desk technicians

• Built Win2k and XP image’s and configured them to the company’s standard image

• Provide assistance with Server Projects and telecom as requested Help maintain Tape backups

• Helped the server team in building servers and racking them; 52 Windows 2000 and 2003 Servers

• Lead ninety-nine Xerox SMTP and LDAP configuration change Worked with different groups to get this done Managed the update times as well as created technical documentation on the upgrade

IBM Global Services/Career Connections, Inc.

Technical Support Specialist October 2002 to July 2003

EDUCATION

Master of Science, Computer System Security Colorado Technical University, projected fall 2014 Bachelor of Science, Computer Networking Management Westwood College of Technology – May, 2003

CERTIFICATIONS

• Security Plus

• TS/SCI with CI Poly (Active)

• DOD Security (Active)

References available upon request



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