Occupations · Life, Physical, and Social Science
Quality Control Analysts
Conduct tests to determine quality of raw materials, bulk intermediate and finished products. May conduct stability sample tests.
O*NET 30.3 Database (USDOL/ETA) · occupation code 19-4099.01
What people in this job actually do
Ordered by how important the work is rated.
- Conduct routine and non-routine analyses of in-process materials, raw materials, environmental samples, finished goods, or stability samples.
- Interpret test results, compare them to established specifications and control limits, and make recommendations on appropriateness of data for release.
- Calibrate, validate, or maintain laboratory equipment.
- Perform visual inspections of finished products.
- Ensure that lab cleanliness and safety standards are maintained.
- Complete documentation needed to support testing procedures, including data capture forms, equipment logbooks, or inventory forms.
- Compile laboratory test data and perform appropriate analyses.
- Identify and troubleshoot equipment problems.
- Write technical reports or documentation, such as deviation reports, testing protocols, and trend analyses.
- Investigate or report questionable test results.
- Monitor testing procedures to ensure that all tests are performed according to established item specifications, standard test methods, or protocols.
- Identify quality problems and recommend solutions.
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
A dot marks what O*NET flags as in demand.
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 | 87 | 51 → 69 occupations since 2015 |
| Structured query language SQL | 86 | 79 → 151 occupations since 2015 |
| JavaScript | 85 | 47 → 84 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
Conditions rated against the average across all occupations — only what makes this job different is listed.
O*NET 30.3 Job Zones
Working conditions that stand out
O*NET 30.3 work context, frequency scale · observed 2020-08
How people actually get in
Share of workers by the education they hold.
O*NET 30.2 education, training and experience · observed 2020-08
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
The same work is posted under many titles — this is what to search for.
O*NET 30.3 job titles reported for this occupation
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What changed since 2015
Comparing O*NET release 20.1 (2015-10-01) with 30.3 (2026-05-01). Signs, not colour alone, carry the meaning. 2 entries that were only relabelled between releases are left out.
Now listed 20
No longer listed 6
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 |
|---|---|---|
| leather goods quality control laboratory technician | 3119.15.3 | broader |
| chemical manufacturing quality technician | 3116.1.2 | broader |
| call centre quality auditor | 3341.3 | broader |
| footwear quality control laboratory technician | 3119.15.1 | broader |
| footwear quality technician | 3119.15.2 | broader |
| leather goods quality technician | 3119.15.4 | broader |
| product quality controller | 7543.9 | broader |
| product quality inspector | 7543.10 | broader |
| vineyard cellar master | 6112.4 | broader |
Official ESCO ↔ O*NET crosswalk (ESCO Secretariat with USDOL/ETA)
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