Part-Time Lab Operations Technician (Weighing, Stock Solutions & Receiving) — Automated Lab (Night Shift Available)
onepot•South San Francisco, CA
•$28 - $32•Onsite
About The Position
onepot is building an automated small-molecule lab where robotics and software drive synthesis and analysis. This role is hands-on lab operations work that directly supports an automated workflow: accurate inputs, clean inventory, and reliable receiving are what keep the automation running. This part-time, on-site role in South San Francisco involves hands-on lab operations work that directly supports an automated workflow. Night shift availability is welcome.
Requirements
- Strong attention to detail; comfortable following SOPs and producing clean records
- Comfort with basic lab math (molarity, dilutions) and working carefully with chemicals
- Reliable and consistent availability for scheduled shifts (night shift ok)
- Basic computer comfort (simple inventory tools)
- Prior lab assistant / lab ops / stockroom / receiving experience
- Familiarity with SDS, chemical compatibility storage, and labeling norms
Nice To Haves
- Ability to lift/move boxes up to 50 lb
- Ability to stand at a bench for extended periods
Responsibilities
- Compound handling & precision weighing (primary)
- Accurately weigh solid compounds/reagents (mg to g scale) on analytical balances
- Prepare labeled aliquots and staging sets that feed automated/robotic workflows
- Maintain clean, contamination-aware weighing practices (gloves, anti-static control, clean tools)
- Record weights, lot numbers, IDs, and operator/date in a traceable format
- Stock solution preparation
- Prepare stock solutions from SOPs (target molarity/concentration, dilution math, mixing)
- Label and document concentrations, solvent, date, operator, and storage conditions
- Flag solubility issues, discrepancies, or labeling/inventory mismatches
- Receiving, staging & inventory (automation-ready)
- Receive shipments, verify contents vs packing slips/POs, and triage issues (damage, missing items)
- Log inventory and assign locations so materials are retrievable fast and consistently
- Put away chemicals and supplies in correct storage (ambient/fridge/freezer/flammables/corrosives)
- Stage supplies/consumables (vials, tubes, tips, labels, solvents, PPE)
- General lab ops support
- Keep weighing/receiving areas organized, audit-ready, and safe
- Assist with periodic cycle counts and basic inventory cleanup
- Follow chemical hygiene and safety procedures consistently
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What This Job Offers
Job Type
Part-time
Career Level
Entry Level
Education Level
No Education Listed
