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Open nowPosted 17 days ago

Programmer and Data Migration Executive

MyCareersFuture94,028 open roles

Pay
SGD 3,300 – SGD 4,500 a month
Where
Central, Singapore
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Your applicationOpen nowProgrammer and Data Migration ExecutiveMyCareersFuture · Central, Singapore

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This job: posted 17 days ago

The posting

  • 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 the 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.
  • Strong understanding of data validation, reconciliation, and rollback procedures in large-scale migrations.
  • 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.
  • Ability to execute and interpret test matrices, inbound/outbound call scenarios, and KPI monitoring during cutover.
  • Comfortable working with production systems and managing high-risk migration windows.

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.

Stakeholder & Communication Skills

  • Proven ability to coordinate with customers, vendors, and technology partners (e.g. system integrators, network vendors such as Huawei).
  • Able to clearly escalate issues, propose solutions, and provide timely status updates during migration windows.
  • Strong written and verbal communication skills for technical documentation and reporting.

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 support night, weekend, or public holiday migration windows when required.

Preferred / Advantageous

  • Experience in telecommunications or ISP environments.
  • Exposure to large-scale system transformation or legacy-to-new-platform migrations.
  • Familiarity with KPIs, dashboards, or operational monitoring tools.

Additional notes:

  • Able to commit from October 2026- May 2027
  • Monday to Friday 9pm to 6pm - May be required to work staggered hours /overtimes/weekends (when necessary only).
  • Salary up to $4500
  • 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 [email protected]

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

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