Sjaak scheffer from Leiden, Zuid-Holland  |  Netherlands is interested in senior network/system engineer. Sjaak scheffer is working as a Freelancer and can be found in many freelancing marketplace.  Sjaak scheffer provides freelancing service Other and IT & Programming. Sjaak scheffer very Skilled with Networking & Telephone Systems, Network Administration, Routers, Firewalls & Security, server administration and System Administration.

Sjaak scheffer so far completed 0 projects and has about 0 reviews from clients who has used earlier freelancing projects. Sjaak scheffer hourly rate is N/A and gets paid in $.

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