Temp Programmer and Data Migration Executive (Contract)

People Profilers Pte Ltd; Singapore; On-site; SGD 67,000 - 106,000; Full time

Job summary

People Profilers Pte Ltd is seeking an experienced Migration Engineer to lead data migration projects in a telecom environment in Singapore. You will design and generate migration scripts (VBA/Python), ensure rollback, and validate outputs across batches.

You will coordinate with customers and vendor teams, perform pre-, during-, and post-migration activities, and monitor KPIs to ensure a successful cutover and data integrity.

Qualifications

• Diploma or Degree in Information Technology, Computer Science, Engineering, Telecommunications, or related disciplines.
• Certifications in data management, scripting, or telecom systems are advantageous.
• 2–5 years hands-on experience in data migration, system cutover, or production implementation.
• Experience developing migration scripts using VBA or Python.
• Experience with large-scale data sets and data cleansing.
• Familiarity with LP, NP, MSAN, and IP reachability testing.
• Knowledge of end-to-end migration workflows.

Responsibilities

• Generate migration scripts (e.g. VBA and Python) for all batches.
• Include rollback scripts for all batches in every Work Order.
• Validate scripts for all batches prior to implementation.
• Perform preliminary automated sorting and generate system-assisted grouping outputs.
• Conduct comprehensive manual validation to ensure accuracy of preliminary outputs.
• Ensure end-to-end alignment of service types.
• Process and organize all LP, NP, and partial LP data sets.
• Validate LP data sets for accuracy and consistency.
• Rectify data discrepancies and escalate to Customer’s team when needed.
• Perform weekly data validation to keep datasets migration-ready.
• Check MSAN IP reachability to ensure network readiness.
• Document reachability tests and highlight inaccessible nodes.
• Pre-migration checks and testing (test matrices, inbound/outbound calls, data synchronization).
• During-migration: execute scripts, monitor KPIs, troubleshoot, coordinate with Customer/Huawei, document actions.
• Post-migration: call testing, validate service restoration, monitor for issues, close WO with evidence.

Skills

Data migration

Scripting (VBA, Python)

Data validation & rollback

Batch migration management

Telecom workflows knowledge

Education

Diploma or Degree in IT/CS/Engineering/Telecommunications

Certifications in data management or scripting

Tools

VBA

Python

Job description

Responsibilities are:

• 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 Customer’s 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.

• 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 September 2026 to May 2027- may be extended based on project

• Working hours - 9 to 6pm ( but must be able to work overtimes /weekends or staggered hours -for e.g. 11am to 8pm or 1pm to 10pm etc.- only when required)

JOB ID:933W97V4

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