The posting
Part-Time Receptionist / Office Administrator (MWF On-Site)
San Francisco · 24 hours/week
Who We Are
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.
What You’ll Do
Area Key Tasks
- Front Desk & Phones Greet visitors, clients, and field crews with a friendly, professional manner. Answer and route incoming calls; take clear, complete messages when staff are unavailable.
- Mail & Deliveries 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.
- Accounting Support Tag invoices for coding in QuickBooks (no coding required). Match credit-card charges to receipts and flag any discrepancies.
- Office Inventory & Admin 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.
- General Team Support 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.
Schedule & Pay
- Hours: Mondays, Wednesdays, Fridays • 8:00 a.m.–5:00 p.m. (24 hrs/week)
- Duration: Open-ended; minimum three-month commitment preferred
- Compensation: $20–$26 per hour + paid sick leave per SF ordinance
What You’ll Bring
- Experience: 1-2 years in an office, reception, or customer-service role
- Skills: Solid MS Office; basic Excel formulas
- Detail Orientation: Proven habit of double-checking data, names, and numbers
- People Skills: Clear phone voice, upbeat attitude, and calm under interruptions
- Bonus Points: Familiarity with QuickBooks or other accounting software; experience in construction, logistics, or mailroom work; bilingual English/Spanish
Why RS Construction
- Impact You Can See – Your work supports crews who build the roads and utilities your neighbors rely on.
- Small-Team Culture – Work directly with the COO, project managers, and field leaders—no corporate silos.
- Growth Opportunity – Learn construction-office fundamentals and expand into bookkeeping or project admin as your interests grow.
- Stable Schedule – Predictable M-W-F hours leave Tuesdays and Thursdays free for school, family, or a side hustle.
RS Construction is an equal-opportunity employer and welcomes applicants from all backgrounds.



