Charles E. Sadler

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

Pekin, Illinois 61554

309-***-****

acsa0y@r.postjobfree.com

Information technology professional with over fifteen years of progressive network administration, project, management, and technical security analyst experience. Experience includes: providing technical support for multiple corporate office locations with over 2700 employees; managing/maintaining Windows 2008 R2/Exchange Server 2003-2010; maintained/installed certificates for multiple clients across their multiple domains; supervising the start- up of new accounts valued in excess of $100M dollars annually; and training over 150 junior technicians.

Over fifteen years of information technology industry experience

Supervised, trained, and evaluated staff of over 50 personnel

Site Supervisor responsible for expense management of $500,000 dollar annual budget

Hardware Proficiency: Vendor Certified IBM/Dell/HP laptop, desktop, server, and printer technician

Server Software: Windows Server 2008 R2, MS Exchange 2003/2010, Blackberry Enterprise Server, Backup Exec

Software Proficiency includes: Microsoft Office Products 2000 thru 2010, Remedy, Peregrine, ASTEA

Information Technology Experience

2012 to Current: Active Directory Security Analyst, Caterpillar Inc. East Peoria, IL

• Modified existing PowerShell scripts to extract data from SCCM and AD to fulfill projects needs

• Prepared/ran Active Directory queries in VB Script to identify accounts with LM Hash stored

• Contacted account owners to assist with removal of LM Hash or disable/deletion of account

• Prepared/ran queries to identify PCs with local accounts with elevated access through nested or direct grouping

• Prepared/ran queries with Microsoft Network Monitor to identify NTLMv1 connections

• Assisted in preparing Domain Admin best practices guide

• Assisted Enterprise Admin with limiting number of Admins in Forest through best practices documentation and monthly reporting

• Assisted Enterprise Admin with tracking/draw down of Admins in Risk Domains

• Assisted with LAN account provisioning problem resolution

• Assisted with removal of local administrator access from domain groups through direct interaction with Security owners

2007 to 2012: Network Administrator, Advanced Technology Services, Peoria, Illinois

• Provided technology support to 350 corporate office users and over 2700 employees through the administration of Active Directory, Print Services, and Microsoft Exchange applications

• Trained over 20 new Advanced Technology Services employees at two separate remote locations to facilitate the start-up of new accounts valued in excess of $10M dollars

• Troubleshoot, repair, and provide services for hardware, software, back-up devices, and printer problems

• Maintained client relations as first point of escalation for multiple accounts with multiple service level agreements, maintaining a 90% success rate

2002 to 2004: Operations Supervisor, Mobilization Unit In-Processing Center, Fort McCoy Wisconsin

• Maintained Top Secret Security Clearance; Performed duties as a Classified Courier

• Maintained records, and processed the necessary documentation for incoming/outgoing military units

• Monitored all online communication by military personnel to ensure the security of mission critical information

• Supervised and trained junior enlisted soldiers with processing of mission critical information

• Trained incoming senior staff with current processes and security procedures and provided counsel when needed

1998 to 2001: Project Executive, Xerox Connect, Downers Grove, Illinois

• Supervised 14 direct reports and several contracted personnel in the areas of expense management, efficient troubleshooting techniques, and professional development

• Upgraded/repaired over 1,000 Macintosh and PC systems for client saving over $50,000 dollars in new equipment purchases

• Increased efficiency by 25% resulting in a 4 hour turn around time standard for all services rendered.

1998 to 2001: Software Analyst, United States Army Reserve, Darien, Illinois

• Administered network tasks such as setting up new user credentials, establishing passwords, configuring MS Outlook, and backing up/restoring files

• Trained junior enlisted team members with current processes and security measures

• Received incoming calls, determined issue, and dispatched technicians to perform on site repair

• Configured hardware, terminated cable/fiber, and secured data ports

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