Core & Messaging Engineer

Duties and Responsibilities

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

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