OSS Senior System Engineer Required Urgently in the Netherlands (Voorburg)

Tangent are urgently looking for a OSS Senior System Engineer to work a 3 month extendable contract based in the Netherlands (Voorburg)  Summary- Operate and Maintain the OSS environment, like Operation Systems, backup and storage, Data applications and systems of T-Mobile Netherlands in accordance with the defined Service Level Agreements, through incident, problem and change management processes.-Technical operational interface for relevant third party equipment suppliers and DTAG.- Reduce the cost of ownership of T-Mobile NL's networks through best-in-class utilization of networks, cost-effective operation and maintenance practices, supported by high degree of automation and using the most efficient amount of people which have the right skills.- Continuous improvement of Network/ Service Quality., KPIs, SLA's and technology processesKnowledge, experience and expertise (technical skills)- Bachelor or Master degree or equivalent level gained by experience, in Information Technology/Electronics/Telecommunications/Data communications Engineering- Experience with ICT operations and maintenance support- Be able to judge on operational acceptance complex new systems / applications- At least 5-7 years of experience as an operational System administrator or in Data system supportOSS (team/platform/services specific knowledge)- Senior in several of the following technologies:- Outstanding knowledge of OSS infrastructure (UNIX /LINUX(admin 1 &2 level) and Cloud , SUN, HP, Windows OS, Cisco, TCP/IP, SQL (Oracle/Informix), scripting, Microsoft IIS, Apache, ftp, ssh, Citrix, SNMP, Corba, LDAP- Outstanding knowledge OSS services/applications like Windows App-v, Huawei U2000, Nokia Netact , Traffica, Netcool Zabbix,Observium , CiscoWorks, HP openview/Omi, Remedy.- Outstanding knowledge of / experience with Windows OS (Filesystems, Memory Architecture, Platform architecture, Active directory) - In depth knowledge of / experience with Cloud VMWare ESX, RHEV.- Good knowledge of / experience with host/network security (e.g. VPN, firewall setup and administration)- Excellent knowledge of / experience with enterprise backup solutions (preferably Veritas NetBackup)- Excellent knowledge of storage architectures- Basic understanding of GSM network architecture (GSM, GPRS, UMTS)- Outstanding knowledge of applicable test and measuring tools- System and performance monitoring.- In dept knowledge of protocols(HTTP(S), SOAP, IPSEC, DNS(SEC), Radius, Diameter, TCP/IP, SCTP, SS7, FTP, SSH, SNMP, iSCSI, WAP, MMS)- Good knowledge of high availability systems and storage (clustered, farmed), preferably SAN infrastructure(Sun unified storage 7000 series)- Experienced in ITIL processes- English language skills (good verbal and written)- Valid driving license