# Market evidence report — big-data-archive-librarian

Source: **15 real job ads** (JSearch API, countries: us 15), extracted into the MSSQL evidence store; as of 2026-07-09.
This report contains extracted, aggregated facts only — no ad text is
reproduced (copyright / platform terms).

## Seniority distribution

| Seniority | Ads | Share |
|---|---|---|
| mid | 11 | 73 % |
| junior | 2 | 13 % |
| n/a | 1 | 7 % |
| senior | 1 | 7 % |

## Tools — full market ranking

| # | Item | Ads | Share |
|---|---|---|---|
| 1 | ArchivesSpace | 4 | 27 % |
| 2 | Microsoft Office | 3 | 20 % |

## Hard skills — full market ranking

| # | Item | Ads | Share |
|---|---|---|---|
| 1 | metadata creation | 6 | 40 % |
| 2 | digital preservation | 5 | 33 % |
| 3 | archival arrangement | 3 | 20 % |
| 4 | cataloging | 3 | 20 % |
| 5 | digitization | 3 | 20 % |

## Methods — full market ranking

| # | Item | Ads | Share |
|---|---|---|---|

## Responsibilities — full market ranking

| # | Item | Ads | Share |
|---|---|---|---|

## Job title variants in the market

| Title | Ads |
|---|---|
| Digital Archivist | 6 |
| Archival Metadata Librarian — Physical Archives | 1 |
| Archives Technician | 1 |
| Archivist - Library | 1 |
| Assistant Librarian: Digital Processing Archivist | 1 |
| Digital Archivist Intern | 1 |
| Historian (Vacancy#:VAR003385) | 1 |
| Librarian​/Cataloger | 1 |
| Librarian/Cataloger | 1 |
| Library Technician (Metadata and Digitization Support) | 1 |

Methodology: entities extracted per ad ({hard_skills, tools, methods, responsibilities, seniority}), normalized, counted as DISTINCT ads per entity; report threshold ≥ 3 ads. Headline sections in skills.md/tools.md use the stricter ≥ 20 % threshold.