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Office Administrator jobs in United States
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UniUni · 5 hours ago

Office Administrator

UniUni is a leading logistics company transforming last-mile delivery for the e-commerce industry. The Office Administrator will support day-to-day operations at the warehouse sorting site, managing core site administration, purchasing, vendor sourcing, and meeting coordination.
DeliveryDelivery ServiceE-Commerce
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H1B Sponsor Likelynote
Hiring Manager
Yumo Zou
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Responsibilities

Manage daily administrative support for the warehouse site, ensuring operations run smoothly and efficiently
Maintain administrative records, trackers, and documentation with strong accuracy and follow-through
Build and improve simple processes (checklists/SOPs) to ensure tasks are repeatable and traceable
Own the end-to-end purchasing process: request intake → quote comparison → ordering → receiving → record keeping
Maintain inventory levels for frequently used supplies and create replenishment plans to prevent shortages
Support cost control by comparing vendors and negotiating pricing, terms, and service levels when needed
Identify, source, and evaluate vendors (e.g., janitorial, maintenance, security, equipment, supplies, office services)
Coordinate vendor onboarding/qualification: collecting required documents, verifying credentials, and aligning with internal approval processes
Manage vendor relationships and performance; escalate and drive resolution when service issues arise
Schedule and organize site meetings (daily/weekly/ad-hoc): prepare agendas, send invites, coordinate logistics
Facilitate meetings as needed: keep discussions on track, manage time, capture decisions, and track action items to closure
Implement staffing schedules based on manager decisions; communicate updates and coordinate changes with the team
Collect, validate, and submit timecards/timesheets accurately and on time (manager approves; you execute and submit)
Track attendance exceptions and report concerns to site leadership for follow-up

Qualification

Administrative experienceVendor negotiationOffice tools proficiencyAttention to detailOrganization skillsCommunication skills

Required

1–3+ years of administrative / office operations experience (warehouse, manufacturing, retail operations, or field-site environment preferred)
Strong attention to detail and high ownership: accurate records, consistent follow-through, and deadline reliability
Excellent organization and planning skills; able to manage multiple tasks in a fast-paced environment
Confident communicator with a “strong backbone”—comfortable pushing back when needed and driving vendors to deliver
Comfortable negotiating with vendors on pricing and service terms
Proficient with common office tools (Excel/Google Sheets, email, calendars, meeting tools)

Benefits

401K
Dental
Vision
Medical insurance
Paid Holiday
Paid Time Off
Paid Sick Leave
Management training program

Company

UniUni

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UniUni is a transportation company that offers services in freight and package transportation with logistics services.

H1B Sponsorship

UniUni has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (30)
2024 (12)
2023 (2)

Funding

Current Stage
Late Stage
Total Funding
$205M
Key Investors
Bessemer Venture Partners,Sinovation VenturesBessemer Venture PartnersDCM Ventures
2025-06-19Series D· $70M
2024-11-14Series C· $30M
2024-04-16Series C· $50M

Leadership Team

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Peter Lu
Founder & CEO
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Michael Yang
Director | Chief Strategy Officer (CSO)
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Company data provided by crunchbase