- Roaming Hub provisioning (operators implementation according to design; numbering plan updates; opening roaming agreements).
- l Testing GSM, GPRS, CAMEL, and LTE services in roaming (such as MO/MT calls, SMS, call forward, data transfer, online charging, etc).
- l Troubleshooting of failed GSM/CAMEL scenarios (based on SCCP, MAP, CAP, SIP/ISUP traces and logs).
- l Troubleshooting of failed GPRS/LTE scenarios (based on GTP and DIAMETER traces and logs).
- l MVNE testing and troubleshooting (M2M service).
- l Communication with the mobile networks worldwide for technical issues resolving.
- l IREG testing (IR24/35/60/48/38 etc).
- l TADIG testing (TAP flow and TAP files validation)
- Any other tasks as assigned by management.
- Degree/Masters in Computer Science/IT/Telecommunications or equivalent professional qualification.
- l Good command of spoken and written English.
- l Relevant work experience in a mobile service provider environment :
- SS7 stack knowledge (SCCP, MAP, SIP/ISUP) is a must;
- GSM/LTE networks architecture knowledge;
- Understanding of billing systems, CDRs, TAP flows, TAP files
- Basic CAMEL/GRX/GTP/DIAMETER knowledge is an advantage;
- Understanding open connectivity roaming hub and/or experience working with Data Clearing Houses is a valuable asset.
- l Knowledge and experience with core network data implementation on mobile network nodes would be a definite plus;
- Ability to work early and late shifts, at night and during the weekends (24/7).
- Able to follow and adapt to a fast-moving technical environment.
- Good analytical and problem-solving skills.
- Strong customer focus.
- Able to take initiative, be flexible, and be stress-resistant.
- Dynamic, highly motivated, and result-oriented team player with good collaboration skills.
The Package :
- Attractive Salary(Negotiable).
- Performance-related allowance on a quarterly basis for confirmed staff.
- 15 days of Annual leave
- 14 days of Medical leave
- Medical and hospitalization insurance coverage.
Experience Required :
- Kuala Lumpur, WP, Malaysia.
Employment Type :