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Christian Ohlendorf

Sr. Network Consultant

E-mail: cho@netmazing.com

OBJECTIVE:

To obtain a management or senior consultant position in the field of Information Technology that will provide the opportunity for professional growth and advancement.

OVERVIEW:

I have over 10 years of industry experience working with computers and related technologies. Since 1990, I have been professionally engaged in the field of Information Technology and I have started to actively utilize the Internet and associated technologies from its very early stages on.

I have worked in many different areas including homogeneous and heterogeneous network environments. I have in-depth knowledge of both Unix (12 years) and PC (9 years) operating systems. Also having a thorough networking background I have worked with most of the common network equipment brands. Further I have had experience with many different programming languages, networking protocols / topologies and database design / implementations. My primary interests are network and systems architecture and design and Internet security. I am also specialized in designing highly available customized turnkey solutions for E-Commerce companies.

TECHNICAL EXPERIENCE:

Internetworking Equipment: Cisco, Bay Networks, Lucent, Telebit, Ascent, Nortel Networks, Livingston, Cabletron, 3Com, Flowpoint.

Network Operating Systems: Sun Solaris/SunOS, Linux (Redhat, Mandrake, SuSE, Slackware), FreeBSD, NetBSD, BSD OS, HP Unix, WinNT, Win2k, WinXP, Win9x, WfW, Pathworks, LANMan.

Network Management: Cisco Works, HP Openview, Big Brother, MRTG.

Security and Network Tools: ISS Network ICE, Recourse (now Symantec) ManHunt IDS, Recourse (now Symantec) ManTrap, SNORT IDS, Sygate Secure Enterprise Suite, NAI Sniffer, SATAN, Nessus, nmap, eSecurity, Airsnort, Network Stumbler, Tripwire, Crack.

Network Protocols: TCP/IP, IPX, Appletalk, NetBEUI, DECnet.

LAN Topologies: Ethernet, Fast Ethernet, Gigabit Ethernet, FDDI, Token Ring, ATM, VLANs, Multilayer Switching, Wireless Ethernet (IEE 802.11(b): Cisco, Symbol, among others).

Security: Checkpoint FW-1, Cisco PIX, Netscreen, Sonicwall, TIS Gauntlet, TIS Firewall Toolkit, Raptor Eagle Firewall, Linux Firewall, SOCKS5/eBorder, Encryption Solutions (PKIs, PGP, SSH, SSL, dedicated Encryption Devices, among others), Authentication Products (SecurID, Radius/AAA, Kerberos).

WAN Topologies: Frame Relay, ATM, PRI, Dedicated Circuits (T3/T1), ISDN, DSL, Cable Modem, Analog Modem Technologies.

HA Solutions: Veritas Foundation Suite (Cluster, Volume Manager, Filesystem), Sun Cluster, Stonebeat Firewall HA, Network Load Balancer (F5 BigIP, Cisco CCS (Aeropoint), Foundry ServerIron, Alteon).

Programming Languages: C, C++, Shell Scripting (sh, csh, DOS batch), Perl, CGI, Assembler (Intel x86, Motorola 680xx, BS2000, Microprocessors), Pascal, Basic.

Storage: Enterprise Backup Solutions (Veritas Netbackup, Legato Networker, Budtools, BRU, among others), Network Attached Storage (Auspex, Network Appliance, RaidTec, among others), Web Cache Appliances (BlueCoat/CacheFlow Web Cache, Network Appliance NetCache, Cisco Content Cache Engine).

Other: Email Products (Sendmail, Exchange Server, IPlanet Messaging Server), Web Servers (Apache, Netscape/IPlanet Server), NFS, NIS, NIS+, DNS, DHCP/BOOTP, SNMP, NNTP (INND), LDAP, Samba, Squid, VMWare.

WORK EXPERIENCE:

01/02 - present, Sr. Security Analyst, Sony Electronics, San Jose, California

-         Network and Internet Security

-         Enforcement of company's corporate security policy

-         Design and architecture of secure LAN/WAN solutions

-         Design and implementation of company-wide Intrusion Detection System

-         High Availability designs and migration of existing networks to HA

-         Custom solution designs

-         Network and security analysis/assessments

-         Project management

 

12/99 – 12/01, Sr. Consultant, Diamond Micro Solutions, San Leandro, California

-         Professional Services presales

-         Worked as the lead engineer and helped to grow the Professional Services department

-         Network (LAN/WAN) design and architecture

-         High availability designs and migration of existing networks to HA

-         Network and security analysis/assessments

-         Streamlined and structured legacy network designs for start-up customers

-         Network management

 

03/99 - 12/99, Sr. Network Engineer, Mips Technologies, Mountain View, California

-         Unix/network design and administration

-         Network/Internet security (received excellent security audit rating)

-         Designed and implemented private DSL network for employee home offices

-         Designed and implemented VPN telecommuter remote access

-         Designed remote office configuration with VPN LAN access to headquarters

-         Designed and implemented network monitoring and alerting systems

-         Y2K environment screening

-         News, mailing list, intranet web services

 

06/98 - 02/99, Sr. Network Engineer, Information Storage Devices, San Jose, California

-         Unix system and network administration

-         Maintenance for Sun Enterprise 5000 Oracle DB server

-         Network security

-         Migration of legacy network to well-structured network environment with specific regard to future-growth, performance and security

-         Web design and development

-         Development of administrative tools

-         Merging of two network environments into one (company was acquired by Winbond Technologies)

 

04/97 - 05/98, Network Engineer, Net Daemons Associates, Burlingame, California

-         Clients included Network Associates (former Network General), Versant, Phoenix, Videonics, AccelGraphics, Perspecta

-         Network consulting for Unix and Microsoft environments at different client sites

-         System/network administration and software development

-         Network installations, migrations and upgrades

-         Systems/information and network security

-         Firewall design

-         Web design and development

-         Internet connectivity

 

06/95 – 03/97, Network Consultant and SW Developer, Agix GmbH, Munich, Germany

-         Projects for Siemens Components Inc, Cupertino, California:

-         Analysis of peer-to-peer PC network and conception of an NT-server based domain model

-         Conception, installation and documentation of

o       Console server for Sun server pool with secure dial-in and telnet access

o       Mica technology dial-in server with SecurID user authentication

-         System/network administration for Unix and Microsoft solutions

-         Programming of administrative software tools

-         Consulting in Internet connectivity

-         Conception of Radius installation standard for user remote authentication for Internet POPs. Development of billing software tool that collects Internet access logs from the POPs

-         Testing and documentation of miscellaneous ISDN connectivity solutions

 

02/95 - 10/96, Microsoft Consultant, Schmidt's LOGIN GmbH, Munich, Germany

-         Consultant for Microsoft network solutions

-         Design, installation and migration of PC networks including migration from LANManager/ Novell networks to NT domain based solutions

-         Internet connectivity solutions

 

03/93 - 02/95, System Administrator and SW Developer, Siemens GmbH, Munich, Germany

-         System administration in a Sun network with more than 1000 hosts

-         Development of administration software tools

-         Development of a client-server host database software with automatic network scanning and updating ability

EDUCATION:

Vordiplom (=B.S.) in Electrical Engineering, Technical University of Munich, Germany, 1996

Engineer's Associate for Data Processing, Siemens Technical Academy, Germany, 1993

INDUSTRY CERTIFICATIONS:

Certified Information Systems Security Professional (CISSP)     (achieved 2003)

Cisco Certified Design Professional (CCDP)                             (achieved 2001)
Cisco Certified Network Professional (CCNP)                         (achieved 2001)
Cisco Certified Network Associate (CCNA)                            (achieved 2001)
Cisco Certified Design Associate (CCDA)                                (achieved 2000)

Checkpoint Certified Security Engineer (CCSE)                        (achieved 2001)
Checkpoint Certified Security Administrator (CCSA)                (achieved 2001)

Sun Enterprise 10000 Certified                                                 (achieved 2000)
Sun Enterprise Sunfire Certified                                                 (achieved 2000)
Sun Certified System Administrator for Solaris 2.6 (SCSA)       (achieved 2000)
Sun Certified Network Administrator for Solaris 2.6 (SCNA)   (achieved 2000)
Sun Enterprise Certified                                                            (achieved 2000)
Sun Workgroup Certified                                                          (achieved 2000)

ADDITIONAL SKILLS:

Languages: German (native), English (fluent in speaking and writing)

References available upon request

Last Update: April, 15st 2003