- Generate the migration scripts (e.g. VBA and Python) required for all batches
- Ensure rollback scripts are included for all batches in every Work Order
- Responsible to validate the script for all batches in every Work Order prior implementation
- To perform preliminary automated sorting and generate system-assisted grouping outputs.
- Conduct comprehensive manual validation to ensure accuracy of all preliminary outputs.
- Ensure end-to-end alignment of service types
- Process and organize all the local port (LP), number port (NP), and partial LP related data sets
- Conduct thorough validation to confirm the accuracy, consistency and correctness of all LP data sets
- Rectify data discrepancies (dirty data) through systematic correction, clarification or escalation to Customers team
- Perform weekly data validation exercise prior to batch finalization to ensure datasets remain up-to-date and migration ready
- Conduct regular check of MSAN IP reachability to ensure network readiness for migration
- Document all reachability tests and highlight any in-accessible nodes for rectification
Pre-migration activities
Perform pre-migration checks and testing to ensure service readiness, including:
- Test matrix execution;
- Inbound/outbound call scenarios;
- Confirmation that subscriber data is fully synchronized prior migration;
- Identification and rectification of anomalies that may impact the migration process
During-migration activities
Carry out migration activities in accordance with the approved cutover schedule, including:
- Execution of approved migration scripts for provisioning, rollback;
- Real-time monitoring of migration status and KPIs;
- Immediate troubleshooting and escalation of any errors, mismatches, or failed migration entries;
- Coordination with Customer and Huawei teams to validate progress and address exceptions;
- Documentation of all actions performed during the migration window
Post-migration activities
- Perform post-migration call testing;
- Validate that subscribers services are fully restored and operating as expected;
- Conduct post-migration monitoring to detect abnormalities or service degradation;
- Rectify all post-cutover issues prior to work order (WO) closure; and
- Submit complete migration evidence, logs and reports for Customer verification and audit.
Requirements
- Diploma or Degree inInformation Technology, Computer Science, Engineering, Telecommunications, or related disciplines.
- Relevant professional certifications indata management, scripting, or telecommunications systemswill be an advantage.
Technical Skills & Experience
Minimum2–5 years of hands‑on experienceindata migration, system cutover, or production implementationenvironments.
Proven experience indeveloping and executing migration scriptsusingVBA, Python, or similar scripting languages.
Experience handlinglarge and complex datasets, including data cleansing and rectification of dirty data.
Familiarity withtelecommunications systems and workflows, including:
Local Port (LP), Number Portability (NP), and partial LP processes
MSAN systems andIP reachability testing
Experience performingpre-migration, during-migration, and post-migrationactivities, including call testing and service validation.
Operational & Process Knowledge
- Strong understanding ofend-to-end service provisioning and migration workflows.
- Experience inbatch migration planning, execution, and tracking.
- Ability to produce clear and accuratemigration documentation, logs, and audit evidence.
- Familiarity withchange management and work order (WO) processes.
Personal Attributes
- Highlydetail-orientedwith strong analytical and problem-solving skills.
- Able to work independently with minimal supervision while managingmultiple migration batches.
- Calm and effective under pressure, especially duringlive cutover and after‑hours migration activities.
- Willingness to do night, weekend, or public holidaymigration windows .
Additional notes:
- Able to commit from October 2026- May 2027
- Able to work night -for e.g. 11pm to 7am
- Salary $15 per hour
- Working Location: Jurong
JOB ID:7X4Y4985
All Successful candidates can expect a very competitive remuneration package and a comprehensive range of benefits.
We regret that only shortlisted candidates will be notified
People Profilers Pte Ltd
- 20 Cecil Street, #08-09, Plus Building, Singapore 049705
- Tel: 69509745
- EA Licence Number: 02C4944
- EA Registration Number: R1108448
- EA Personnel: Tan Lili Gesse