www.denninger.net/resume.html
net I am available for selected engagements at the present time. If you have specific requirements and would like to discuss them with me, please email me with some general information including the location of the required effort, and we can discuss your requirements and my availability to handle your specific needs. To get around my "spam filter" please place the word "consulting" in the subject line. My specific areas of expertise include: * Internet security and the design of secure communications systems. Professional History * 1987 - 1998: D&D Software / Macro Computer Solutions, Inc: Chief Executive officer; responsible for general corporate management, strategic planning and systems engineering, including the operation of a major regional Internet Service Provider and all aspects of ISP operation, both from a technical and business perspective. The corporation was acquired by Winstar Communications in August of 1998. Responsible as the programming team leader for network software development in the VideOcart network, a 24x7x365 high-availability distributed system for displaying point-of-purchase advertising on grocery shopping carts. Managed the IT staff related to providing internal "customer service" functionality, performed systems planning and engineering, and designed and implemented both ethernet and fiber-optic connectivity. Responsible for the development, installation, security and maintenance of the firm's Internet connectivity. Areas of Significant Expertise * Unix System Administration: 15 years of experience in System V, BSD, and IBM AIX Unix systems. Specific areas of expertise include Internet-connected systems, security, HTTP service (including web farms), Usenet news service, DNS (domain name servers) and system clustering in both enterprise and Internet service provider environments. System clustering, security, application and management software experience, both individually and as a team leader in major project environments. Expertise in security auditing, firewall technology and secure site planning on both electronic and physical levels. Comfortable with CISCO backbone hardware, including the 7xxx series of equipment in a national infrastructure format. Telephone circuit and vendor expertise including DS1, DS3, OC-3 circuit and transport formats.
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