Network Operation Center (NOC)

We are looking for a Network Operation Center for our sister company, PT Wowrack Cepat Teknologi Nusantara (Wownet), an Internet Service Provider (ISP) company. Responsibilities
Make an analysis and suggestion anything related with network upgrading and maintenance
Escalate to Operation Manager of any customer's issue that need certain attention
Monitor network performance in order to identify any possible malfunctions
Provide 24x7 support to customers
Requirements
Experienced at least 1-2 years or more in network operation / administration
Familiar with Mikrotik, Cisco, & Juniper
Able to work in shift and ready 24 hours on call
Any network related certification is a plus
Willing to be located in Surabaya