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COMPANY

Quantum SI

HQ: Branford, CT source · quantum-si.com ↗ · New England

Service / Tools company

3 open jobs · last seen Oct 23, 2026 · 3 sources

Location: Branford, CT · source · Sep 29, 2026

Profile checked Oct 10, 2026

Since the raise (Jul 3, 2025): 3 of 3 open jobs were first seen after it.

3Open jobs$100.0MRaised (2 yrs)

Hiring

TitleLocation (from posting)Employer postedFirst seen
Senior Scientist, Systems IntegrationSan Diego, CAOct 21, 2026Oct 22, 2026
Senior Scientist, BiochemistryBranford, CTOct 20, 2026Oct 21, 2026
Senior Field Application Scientist, Northwest AMRRemoteSep 21, 2026Oct 9, 2026

See all 3 jobs

Timeline

  1. Board tracked Radar started tracking this company’s job board (3 open jobs at last check). source ↗
  2. Raise Follow-on offering — Registered direct: $50M (total, as published), announced Jul 3, 2025. Source: SEC filing. source ↗
  3. Raise Follow-on offering — Registered direct: $50M (total, as published), announced Jan 3, 2025. Source: SEC filing. source ↗

Open jobs 3

TitleLocation (from posting, not HQ)Employer postedFirst seenLevel
Senior Scientist, Systems IntegrationSan Diego, CAOct 21, 2026Oct 22, 2026Not stated
Senior Scientist, BiochemistryBranford, CTOct 20, 2026Oct 21, 2026Not stated
Senior Field Application Scientist, Northwest AMRRemoteSep 21, 2026Oct 9, 2026Senior

Level (Entry/Mid/Senior/Executive) is estimated from the job title and required years of experience. Descriptions are short excerpts (about the first 60 words) of the posting plus skills picked out of it; use Read full posting for the complete text.

Funding

Raised: $100.0M. Last 2 years.

Connect

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LinkedIn page linked from the company's own site: source · seen 2026-10-18

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