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Data Warehousing Specialist

Technology

Design, model, or implement corporate data warehousing activities. Program and configure warehouses of database information and provide support to warehouse users.

Data ScienceComputer Science

Picture the job

Where you'd usually workA desk of screens, or a server room

  • Mostly indoors
  • Sitting for most of the day
  • Rarely dealing with the public
  • Regular working hours

An illustration of a typical workplace, not a photo. The work-style notes come from US O*NET data, so read them as a guide.

In Malaysia

In Malaysia 'data warehouse specialist' is rarely a job title on its own; the work is done by data engineers, ETL developers and BI engineers in banks, telcos, e-commerce and shared-service centres. Cloud data platforms have largely replaced on-premise warehouses.

How people get into it here
SPM → Foundation/Matriculation → Degree in Computer Science, Data Science, Information Systems or Statistics → Data/BI Engineer working on SQL, ETL and cloud data warehouses (e.g. Snowflake, BigQuery, Redshift)
Demand
MASCO 2524 (Data professionals) is flagged as a critical occupation in eMASCO. eMASCO (KESUMA) – MASCO 2524 flagged 'Kritikal'

Sources:randstad.com.myemasco.mohr.gov.my

Pay in Malaysia

Starting in the role

RM6,000

per month

Experienced

RM15,000

per month

From a published Malaysian salary guide. Actual offers vary by employer, city and experience.

Randstad Malaysia 2025 Salary Guide · 2025

How far is this from you?

Roughly how much preparation this job usually takes. In Malaysia your UPU route and the programme's syarat still decide entry, so treat this as a guide, not a gate.

  1. 1

    Entry straight after SPM

  2. 2

    SPM + sijil / short TVET course

  3. 3

    Diploma / TVET (sijil–diploma)

  4. Typical entry

    Degree (ijazah sarjana muda)

  5. 5

    Postgrad (sarjana / PhD) or professional route

Typical educationBachelor's degree

Quick answers

How do you become a Data Warehousing Specialist in Malaysia?

SPM → Foundation/Matriculation → Degree in Computer Science, Data Science, Information Systems or Statistics → Data/BI Engineer working on SQL, ETL and cloud data warehouses (e.g. Snowflake, BigQuery, Redshift).

What should I study to become a Data Warehousing Specialist?

Related fields of study: Data Science and Computer Science. SPM subjects that help most: Computer Science / ICT, Electrical & Electronic Eng. Studies, Additional Mathematics and Mathematics.

How much does a Data Warehousing Specialist earn in Malaysia?

Published figures put starting pay at RM6,000 a month, and RM15,000 with experience (source: Randstad Malaysia 2025 Salary Guide, 2025).

What you'd do all day

The tasks that matter most in this job, most important first.

  1. 1Verify the structure, accuracy, or quality of warehouse data.
  2. 2Develop data warehouse process models, including sourcing, loading, transformation, and extraction.
  3. 3Map data between source systems, data warehouses, and data marts.
  4. 4Develop and implement data extraction procedures from other systems, such as administration, billing, or claims.
  5. 5Design and implement warehouse database structures.
  6. 6Develop or maintain standards, such as organization, structure, or nomenclature, for the design of data warehouse elements, such as data architectures, models, tools, and databases.
  7. 7Provide or coordinate troubleshooting support for data warehouses.
  8. 8Write new programs or modify existing programs to meet customer requirements, using current programming languages and technologies.
  9. 9Design, implement, or operate comprehensive data warehouse systems to balance optimization of data access with batch loading and resource utilization factors, according to customer requirements.
  10. 10Perform system analysis, data analysis or programming, using a variety of computer languages and procedures.
  11. 11Create supporting documentation, such as metadata and diagrams of entity relationships, business processes, and process flow.
  12. 12Create or implement metadata processes and frameworks.
  13. 13Review designs, codes, test plans, or documentation to ensure quality.
  14. 14Create plans, test files, and scripts for data warehouse testing, ranging from unit to integration testing.
  15. 15Select methods, techniques, or criteria for data warehousing evaluative procedures.
  16. 16Implement business rules via stored procedures, middleware, or other technologies.
  17. 17Prepare functional or technical documentation for data warehouses.
  18. 18Test software systems or applications for software enhancements or new products.

Also known as

What this job is called on JobStreet, LinkedIn and in job ads. Search these too.

  • ETL Tester
  • ETL Developer
  • Data Specialist
  • Storage Engineer
  • Analytics Manager
  • Big Data Engineer
  • IT Data Specialist
  • Database Specialist
  • Data Quality Analyst
  • Data Warehouse Analyst

Subjects that matter here

The SPM subjects worth your effort for this career, with the reason for each.

Computer Science / ICTDraws directly on Computers and Electronics — a top knowledge area for this role (O*NET).
Electrical & Electronic Eng. StudiesDraws directly on Computers and Electronics — a top knowledge area for this role (O*NET).
Additional MathematicsDraws directly on Mathematics — a top knowledge area for this role (O*NET).
MathematicsDraws directly on Mathematics — a top knowledge area for this role (O*NET).
EnglishDraws directly on English Language — a top knowledge area for this role (O*NET).

What you'd need to know

The subject areas this job leans on most, and the SPM subjects that build them.

  • Computers and Electronics85%

    Computer Science / ICTElectrical & Electronic Eng. Studies

  • Mathematics65%

    Additional MathematicsMathematics

  • English Language64%

    English

  • Design61%

    Visual Art (PSV)Technical Comm. GraphicsEngineering Drawing

  • Engineering and Technology57%

    PhysicsAdditional MathematicsDesign & Technology (RBT)

  • Administration and Management52%

    BusinessEconomics

Tools you'd use

Software and equipment that show up in this job, worth learning early.

What the work feels like

Day-to-day working conditions, so you can tell whether the job suits how you like to work.

  • Face-to-face discussionsOften
  • Contact with other peopleContact most of the time
  • Dealing with customers or the publicA little
  • Leading or coordinating othersHigh
  • Handling conflict situationsRarely
  • Indoors, air-conditionedEvery day
  • Outdoors, in all weatherAlmost never
  • Noisy environmentAlmost never

AI and demand for this job

A few real, dated data points, not a single score. AI making some tasks faster usually means a job changes, not that it disappears.

39%

Share of everyday tasks today's AI can already help with (2023)

This estimate is from 2023, already out of date, since AI moves fast. Treat it as a rough, aging starting point, not the current picture.

1.81%

Of Malaysian Claude conversations, about this kind of work

Measures how much people use Claude for this work, not how many Malaysians do this job, and more AI use can mean people relying on it, not that it's replacing them.

Growing role in the US

US Bureau of Labor Statistics data, not Malaysian. Shown because it's the only forward-looking demand estimate we have for this job.

What beginner adverts asked for

We read 104 internship and fresh-graduate adverts in related fields (August 2026). A small sample from one job site, not every vacancy.

75 of 104 were internships

Allowance or pay, when stated

RM800 – RM2,800

52 of 104 adverts printed an amount: usually between RM800 and RM2,800 a month. Many print none.

Minimum CGPA asked

2.00 to 3.50

Stated in 11 adverts. Others did not state one.

Languages named

Bahasa Malaysia, Mandarin

An empty line means the adverts did not say, not that employers have no requirement. Check each employer's own advert before you plan around it.

Related careers

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About this information

This describes what the job involves. Pay, demand and entry routes differ in Malaysia, so check the Pathways and Programmes pages for local requirements.

O*NET occupation: Data Warehousing Specialists

Source: Randstad Malaysia 2025 Salary Guide · as of Jan 2025

Check the salary figures yourself:Randstad Malaysia 2025 Salary Guide

Job responsibilities, knowledge areas and work context from O*NET 30.3, US Department of Labor, used under CC BY 4.0. onetcenter.org