IT Infrastructure Operation Expert Resume

TECHNICAL SKILLS:

Operating Systems: Deep knowledge of all Microsoft Windows (2000, XP, 2003/2008) Desktop and Server OSs, Clustering, Active Directory and Group Policy in large networks

Network: Deep knowledge of Ethernet (TCP/IP), intermediate knowledge of routers, switches, SAN (HP)

Server Software: Microsoft Exchange, Exim/Linux, MS - IIS webserver, MS Virtual Server and VmWare Server technologies

Other: ITIL, MOF, Hardening of Windows and UNIX servers, centrally managed Anti-Virus software (e.g. McAfee ePO) Sarbanes-Oxley (SOX or SOA), scripting (PowerShell, batch)

PROFESSIONAL EXPERIENCE:

Confidential

Independent Contractor

Responsibilities:

Developed and tested a migration method for NAS migrations
Set up new storages
Participated in the cooperation with NAS vendor, keeping the plant healthy, testing new solutions, resolving NAS related issues
Redesign of NAS ACL security model
Created and maintained storage related documentation for the L1, L2 & L3 teams
Participated in disaster recovery planning
Was responsible managing the NAS plant in Power Down events
Improving the stability of the Windows environment (Windows 2003/2008)
Operate MS Windows server environment using various tools like Sysinternals Suite
Troubleshoot and operate MS NAS environment
Performance monitoring, using tools like Munin
Localize network related issues using tools like Wireshark, NetMon
As the storage expert in the Windows team I dealt with all kind of day-to-day operation issues like ACL issues, flexcache problems, replication issues
On-Call duties

Confidential

IT Infrastructure Operation Expert

Responsibilities:

Design and implementation of Windows Server 2003 file server cluster with DFS
DNS migration (from UNIX Bind 9 to Microsoft Active Directory integrated DNS)
Design and migration of Client side operating systems from NT4 to XP
Migrating from old storages to the EVA
Operate 100 IT infrastructure servers e.g. Active Directory, DNS, DHCP, WINS, e-Mail (Exchange high-availability cluster and Exim/Linux), File- (DFS), Print-, Proxy-, MS Terminal (Load balanced), CA-, Radius- and MS Virtual servers
Operate 2200 desktop systems at the HQ and 40 branch offices
Cabling of newly added servers to attach to the Storage Area Network
Fabric zoning
Capacity planning
Special expertise: handheld devices (Palm, Windows CE and Symbian)
On-call duties

Confidential

NetWare system administrator

Responsibilities:

Design, implementation and operation of a NetWare network
Operation of NT4 servers
Client side support

Confidential

NetWare system administrator

Responsibilities:

Operation of a NetWare network
Support and HelpDesk tasks

Confidential

Operator

Responsibilities:

Maintaining of smaller databases
Implementation and operation of a peer-to-peer network

Confidential

CNC technician

Responsibilities:

Programming and setting of CNC machines

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