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Duties& Responsibilities

• Perform daily operations related to core and value-added services (VAS) systems (MSC, UDM, MGW, HSS, MRS, SMSC, Smart SMS, MMSC, Bulk SMS, Location services, and Antispam).

• Health check operations for all Core/VAS messaging applications and monitor all interfaces between Core/VAS messaging applications and other network elements.

• Perform needed changes on Core/VAS messaging applications related to routing, signaling, numbers translation, global titles, point codes, USSD codes, and other changes.

• Performing the routine backups for Core/VAS messaging applications.

• Perform and troubleshoot all operations and problems related to roaming partners and IREG testing including the common tests.

• Implement interconnect integration with other operators, networks, and international gateways through ISUP, PRA, SIP, SIP-I and any other supported protocols.

• Perform the needed acceptance testing for new SIMs batches and follow-up the troubleshooting with vendors for any SIM’s issues.

• Perform planned and unplanned activities (incidents).

• Communication with Core/VAS messaging vendors to follow up all issues, either those are a problem, planned customization, or upgrades related to applications.

• Maintaining the network KPI's related to Core/VAS messaging applications.

• Perform the acceptance testing related to any operation made on core and VAS applications.

• Follow-up and perform integrations needed between Core/VAS messaging applications with other network elements.

• Prepare the required documentation for any operation made in Core/VAS messaging applications and update them accordingly.

• Handle end user complaints on Core/VAS messaging applications related services within agreed SLA.

• Perform proactive maintenance procedures to keep Core/VAS systems within required performance.

• Work closely with other departments and business owners to deliver the needed services that can be built and delivered through Core/VAS messaging applications.

• Ensure all O&M related activities are delivered with the best quality.

• Reporting all O&M activities related to Core/VAS messaging duties to the department leaders and senior leaders.

• Being on-call for 24/7 and available onsite if needed.

• Any other assigned tasks by direct supervisor.

Work Experience & Qualifications:

• Bachelor’s degree in Telecom/computer/electrical engineering or equivalent.

• Knowledge in 2G/3G/4G/5G networks, SS7 signalling, and traffic flows.

• Knowledge in VAS messaging systems, SMPP protocol, and APIs.

• Good understanding of data structure, algorithms, and managed objects.

• Good understanding of databases such as Oracle and MySQL.

• 1-2 years’ experience in related/similar role (fresh graduates are welcome to apply).

• Good knowledge in VoIP and VoLTE.

• Excellent experience in Unix.

• Excellent experience in MS-Office and Windows applications.

Personal Traits & Special Skills

• Ability to handle emergency tasks under work pressure.

• Excellent communication skills.

• Excellent organizational skills.

• Organization commitment and time flexibility.

• Strong analytical skills.

• Fluent in written and spoken English.

• Jerusalem ID and valid driving license are advantage.