Executive – SMS Firewall (SMSFW)

This role is focused on ensuring the secure and reliable handling of SMS traffic by monitoring SMS Firewall operations, troubleshooting SS7/SMPP protocols, and resolving SMS-related issues. The position involves providing timely technical support to Mobile Network Operators (MNOs) and partners to maintain continuous service availability and optimal system performance.

Key Responsibilities

- Monitor and operate SMS Firewall (SMSFW) platforms to maintain service availability, manage traffic flow, and ensure system performance.
- Analyze SMS traffic, alarms, alerts, and system statistics to detect abnormal or suspicious activities.
- Troubleshoot SMPP binds, connectivity issues, and message delivery problems.
- Examine SMS traces, Event Data Records (EDRs), and logs using SMSFW tools and packet-analysis software such as Wireshark.
- Support the detection and investigation of SMS fraud, including grey routes, bypass traffic, and unauthorized SMS routing.
- Perform detailed SS7 and SMPP traffic analysis and troubleshooting.
- Collaborate with MNOs, SMSFW vendors, aggregators, and internal technical teams for troubleshooting and service implementation.
- Participate in User Acceptance Testing (UAT), system upgrades, maintenance activities, and disaster recovery (DR) exercises.
- Conduct regular health checks of SMSFW systems, including monitoring links, binds, traffic levels, redundancy, and overall service availability.
- Maintain up-to-date network diagrams, configuration records, operational procedures, and troubleshooting documentation.
- Manage technical incidents and service requests within defined Service Level Agreements (SLAs) and escalation procedures.

Required Qualifications

- Bachelor’s degree in Telecommunications, Information Technology, or a related discipline.
- 1 to 2 years of relevant experience, preferably in SMS, SMS Firewall, SS7, or Application-to-Person (A2P) messaging.
- Strong analytical and troubleshooting skills with the ability to operate effectively in a 24×7 operational environment when required.

Preferred Qualifications

- Hands-on experience within Mobile Network Operator (MNO) or telecom environments is highly desirable.
- Experience working with international SMS aggregators, messaging providers, or SMS Firewall vendors will be considered an advantage.

This position is based at the Corporate Office located in Islamabad, with one vacancy available.