Occupations · Computer and Mathematical
Data Warehousing Specialists
Design, model, or implement corporate data warehousing activities. Program and configure warehouses of database information and provide support to warehouse users.
O*NET 30.3 Database (USDOL/ETA) · occupation code 15-1243.01
What people in this job actually do
Ordered by how important the work is rated.
- Verify the structure, accuracy, or quality of warehouse data.
- Develop data warehouse process models, including sourcing, loading, transformation, and extraction.
- Map data between source systems, data warehouses, and data marts.
- Develop and implement data extraction procedures from other systems, such as administration, billing, or claims.
- Design and implement warehouse database structures.
- Develop or maintain standards, such as organization, structure, or nomenclature, for the design of data warehouse elements, such as data architectures, models, tools, and databases.
- Provide or coordinate troubleshooting support for data warehouses.
- Write new programs or modify existing programs to meet customer requirements, using current programming languages and technologies.
- Design, implement, or operate comprehensive data warehouse systems to balance optimization of data access with batch loading and resource utilization factors, according to customer requirements.
- Perform system analysis, data analysis or programming, using a variety of computer languages and procedures.
- Create supporting documentation, such as metadata and diagrams of entity relationships, business processes, and process flow.
- Create or implement metadata processes and frameworks.
O*NET 30.3 task ratings, importance scale
Skills that matter most
Importance, rated 1 to 5.
O*NET 30.3 skills, importance scale
Software and tools
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O*NET 30.3 software skills · hot-technology flag
What your tools are worth
Occupation-based, not posting-based: how much employment, pay and projected growth sit behind each tool. It is not a count of job ads.
| Tool | Value | Spread across occupations |
|---|---|---|
| C# | 88 | 16 → 55 occupations since 2015 |
| Python | 88 | 57 → 132 occupations since 2015 |
| C | 87 | 51 → 69 occupations since 2015 |
What your tools are worth
LockedThe same score for every tool in this occupation, plus the ones you ticked and the ones you did not.
Open in your report →What this work is actually like
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O*NET 30.3 Job Zones
Working conditions that stand out
O*NET 30.3 work context, frequency scale · observed 2018-08
How people actually get in
Share of workers by the education they hold.
O*NET 30.2 education, training and experience · observed 2018-08
What kind of person the work suits
Occupational interest profile, rated 1 to 7.
O*NET 30.2 occupational interests (RIASEC)
What you take with you
Skills rated for how well they transfer into other occupations.
O*NET 30.3 transferable skills, importance scale
Knowledge the work draws on
Abilities it leans on
O*NET 30.3 abilities and knowledge, importance scale
How this job is advertised
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O*NET 30.3 job titles reported for this occupation
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What changed since 2020
Comparing O*NET release 25.1 (2020-11-01) with 30.3 (2026-05-01). Signs, not colour alone, carry the meaning. 3 entries that were only relabelled between releases are left out.
Now listed 13
No longer listed 7
Diff across the O*NET releases held here in full since October 2015, following occupations through merges and retirements. O*NET re-surveys occupations on a rolling cycle, so “no change” can also mean “not re-surveyed”.
Related jobs
O*NET 30.3 related occupations
Also called
O*NET 30.3 alternative titles
The same work in Europe
| ESCO occupation | ISCO | Match |
|---|---|---|
| data warehouse designer | 2521.5 | exact |
| database integrator | 2521.4 | broader |
| database designer | 2521.2 | broader |
| database developer | 2521.3 | broader |
| database administrator | 2521.1 | broader |
Official ESCO ↔ O*NET crosswalk (ESCO Secretariat with USDOL/ETA)
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