Part-Time Receptionist / Office Administrator

RSCM•San Francisco, CA

8d•Onsite

About The Position

RS Construction is a family-owned heavy-civil contractor based in San Francisco, building concrete and utility infrastructure that keeps the Bay Area moving. As we grow and professionalize our operations, we need a reliable, detail-driven Administrative Assistant to keep the front office running smoothly three days a week.

Requirements

1-2 years in an office, reception, or customer-service role
Solid MS Office; basic Excel formulas
Proven habit of double-checking data, names, and numbers
Clear phone voice, upbeat attitude, and calm under interruptions

Nice To Haves

Familiarity with QuickBooks or other accounting software
Experience in construction, logistics, or mailroom work
Bilingual English/Spanish

Responsibilities

Greet visitors, clients, and field crews with a friendly, professional manner.
Answer and route incoming calls; take clear, complete messages when staff are unavailable.
Accept FedEx/UPS/Amazon and USPS mail, verify counts, and log every inbound/outbound item in our delivery spreadsheet.
Prepare FedEx/UPS shipments and arrange same-day pickups when needed.
Tag invoices for coding in QuickBooks (no coding required).
Match credit-card charges to receipts and flag any discrepancies.
Monitor supplies (water service, printer paper, coffee, basic PPE) and place timely re-orders.
Keep the front office, copy area, and supply shelves tidy and stocked.
Print and bind plan sets, scan documents, and update simple Excel/Google Sheets trackers.
Pitch in on occasional event setups or ad-hoc clerical projects.