Otto Leisering has over 30 years of experience in IT with expertise in desktop support, network administration, database development, and project management. He has held positions at various companies, most recently as a Service Desk Support technician where he resolved 98% of issues on the first contact. Prior experience includes systems engineering, networking, and database development roles. He has extensive skills in Windows operating systems, Active Directory, Exchange, and troubleshooting hardware issues.

1. Otto Leisering
13135 Coit Rd. - Dallas, TX 75240
(214) 697-8196 - Otto@email12345.com
Work experience:
December 2010 to Present
Employer: CompuCom
Position: Service Desk Support
• Supported multiple clients: Philips Electronics, Merck Pharmaceuticals, Royal Caribbean, FlightSafety International..
Typical issues were migration from windows XP to Win 7/8/10 and remote resolution of typical user issues. Duties also
included management of users in Active Directory. Used Clarify, Remedy and ServiceNow as ticketing systems. Top-tier
performance record, resolving 98% of service calls on a first contact basis. Exceptional customer service skills; have
multiple instances or clients making comments requesting “being cloned” or requests for direct telephone number.
Oct. 2005 to December 2010
Employer: PCX Technologies, Inc.
Position: Systems Engineer
• IT support for small to medium sized businesses. Function as the IT department for a number of medium sized businesses
such as Marine Quest, Crème del la Crème, and Valley-Dynamo (a division of Brunswick Billiards). Provide all levels of
support such as multi-site integration, Exchange, Active Directory, etc. At supported over a thousand PCs remotely and
locally. Extremely proficient in all Windows Operating Systems. Have years of experience supporting hardware, not only of
PC’s but other business hardware such as printers, networking devices, and other peripherals. Professional knowledge of
MS Office suite of software, very proficient in VBA. Managed both VM Ware and Citrix clusters.
March 2004 to Oct 2005
Employer: AT&T
Position: Tech Support
• Involved with a number of positions as a “hired gun” to go in and correct problems and perform upgrades for small
businesses.
• Was the lead engineer in collaboration with HP and AT&T involving upgrading the AT&T’s Dallas Call Center’s PC
inventory of thirteen-hundred PCs. The project was finished ahead of schedule, below cost, and with zero service
interruption.
May 1999 to March 2004
Employer: MCI (WorldCom) Test and Development Lab .
Position: Senior Engineer & LAN/WAN Administrator
• Administered the lab’s network (Windows 2000 Advanced server, Exchange Server 5.5 & Exchange 2000).
• In-house support of all computer/network related issues including security.
• Developed custom software for a variety of projects.
• Designed test scenarios for Worldcom telecom customers and managed a team of engineers to conduct those tests.
• Equipment in these tests varied widely, requiring the ability to rapidly assimilate new technology.
Feb. 1998 to May 1999 – Contract Work
Employer: EDS & U. S. Air Force
Position: On- Site supervisor
• Involved with CITS/BIP NMS project with the US Air Force as a contractor.
• Implemented a complete network/internet security solution for several high profile Air Force bases.
• Installed routers (Cisco), firewalls (Sidewinder) and security software (ESM/ITA and ISS) along with a variety of other
components.
• Network sizes ranged from 900 nodes to 14,000 nodes
Employer: General Services Administration Greater Southwestern Finance Center
Position: Network Support & Help Desk
• Supported 240+ users on a mixture of Novel 4.1 and Windows NT 4.0 servers (Compaq 7000’s) using 3Com and HP
switches and routers.

2. • Managed the Help Desk and served as the point of contact for all help desk issues for 250 users.
June 96 to Feb. 1998 MIS Director
Employer: Prosper Inc.
Position: – MIS Director
• Managed a multi-domain Windows NT 4.0 MAN/WAN (Ascend routers) using a mixed bag of Win 95 and Win 3.11
clients.
• Administered SCO UNIX OpenServer (5.0.4) running “Medical Manager” software with several remotely connected
physician practices.
• Supported Accounting and administration departments.
• In-house software development, using MS FoxPro 6.5.
• Responsibilities also included equipment technical specifications, scheduling, project management, and vendor relations.
• Web Master and Postmaster for the corporate Intranet.
Aug, 1995 to May, 1996
Employer: Pittsburgh Business Consultants for Union Bank
Position: Network Support and Systems Analyst
• Systems Analyst for Pittsburgh Business Consultants working with Union Bank in their Trust & Investments Group on a
four-month contract basis.
• Administered and provided user support on a WAN covering most of California with 140 users on a three file server Novell
3.12 LAN. The interface was Windows 3.1 using a virtual desktop scheme.
• Provided both SAA and SNA connectivity to host systems throughout the United States.
• Orchestrated moving 140 users from one building to another, and the turnkey installation of a 30-user Novell 3.12 network
in Los Angeles.
June, 1993 to Aug, 1995
Employer SynQuest, Inc. (1-800-DENTIST)
Position: MIS Director
• Responsible for the development and implementation of a custom multi-user database application that enabled us to track
2.3 million calls in 1994. (More phone calls than the L.A. Police department took in the same period.)
• Generated reports and performed other typical management data collection, processing, reporting and distribution
functions.
• Responsible for a telecommunications system (Mitel 200 Light - 5 bay)
• Implemented and maintained Novell networks (2.15 & 3.12) with a total of 55 nodes connected with a single administrative
remote site.
1989 to May, 1993
Employer: Self- Employed
Position: Consultant and Systems Engineer
• Provided services for Sears' clients, from system configuration, custom applications, and Novell LAN/WAN's. These
customers were companies such as General Atomics, Emerald Systems, Foodmaker and Sandicast.
• Taught classes in WordPerfect, DOS, Lotus 123, Excel, Aldus PageMaker and beginners UNIX.
1986 to 1989
Employer: Kaypro Computers (Non Linear Systems)
Position: Editor of Kaypro’s flagship magazine “ProFiles”
• Technical writer on a free-lance basis
• Invited to become the Senior Technical Editor for the nationally distributed magazine "PROFILES."
• Promoted to Editor.
1980 to 1982
Employer: U. S. Navy & Logicon
Position: Technical liason
• Provided technical input for the development of a voice activated Air Intercept Controllers training system.

3. • Responsible for ensuring that the Navy's training requirements were met through the system.
• Supervised a forty-five-man development team.
• Assisted in the development of the Tarawa class shipboard Air Intercept Control package.
1969 – 1982
Employer: U. S. Navy
• Trained as a radar technician.
• Completed military classes in electronics & electricity, graduating top of the class in most courses.
• 1978 graduated #2 in the Navy's Advanced Tactical Data Systems course, eventually becoming an instructor at the same
school.
• Received awards for implementing a database application to keep track of graduating students, and their current
qualifications. This system became the Navy standard.
Other Skills:
Speak & read Spanish fluently. Raised in various countries in South America, attending English-speaking schools after the third
grade.