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.
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
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
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)
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
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
Ability to lift/move boxes up to 50 lb
Ability to stand at a bench for extended periods
$28–$32/hour, depending on experience with precision weighing, stock solutions, and inventory discipline (night shift reliability pushes toward the top end).
We are committed to diversity and inclusivity in our hiring practices.
Job details are sourced from the employer's original posting.
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