Data Migration Executive (contract)

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 in Information Technology, Computer Science, Engineering, Telecommunications , or related disciplines.
• Relevant professional certifications in data management, scripting, or telecommunications systems will be an advantage.

Technical Skills & Experience

Minimum 2–5 years of hands-on experience in data migration, system cutover, or production implementation environments. Proven experience in developing and executing migration scripts using VBA, Python , or similar scripting languages. Experience handling large and complex datasets , including data cleansing and rectification of dirty data. Familiarity with telecommunications systems and workflows , including: Local Port (LP), Number Portability (NP), and partial LP processes MSAN systems and IP reachability testing Experience performing pre-migration, during-migration, and post-migration activities, including call testing and service validation.

Operational & Process Knowledge

• Strong understanding of end-to-end service provisioning and migration workflows .
• Experience in batch migration planning, execution, and tracking .
• Ability to produce clear and accurate migration documentation , logs, and audit evidence.
• Familiarity with change management and work order (WO) processes .

Personal Attributes

• Highly detail-oriented with strong analytical and problem-solving skills.
• Able to work independently with minimal supervision while managing multiple migration batches .
• Calm and effective under pressure, especially during live cutover and after-hours migration activities .
• Willingness to do night, weekend, or public holiday migration 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. Kindly email your resume in a detailed Word format to gesse.tan@peopleprofilers.com 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