i can provide my expertise for your projects on technologies based on services running on Windows/Linux/Unix. I do programs in Java as standalone or as an interface to existing services. I have expertise in design-planning-implementing of complete infrastructure solutions based on Linux/Windows/Unix with open-source technologies including load-balancer`s, storage's or proprietary solutions windows etc. For servers standalone machines "for critical services" or integrated servers in virtual infrastructure. i can offer my expertise for the management/administration of such solutions.