Human Resources Assistant

Position in Federal Way, WA

Role Essentials

• Company: Costco
• Career Level: Junior / Trainee.
• Urgency: Immediate consideration in Federal Way.
• Based in: Federal Way, WA (our main Federal Way branch)
• Position: Human Resources Assistant (Based in Federal Way)
• This Federal Way-based role is an excellent opportunity for professionals skilled in relevant skills.
• Our Costco team in Federal Way, WA is growing.
• Benefit from working in Federal Way, a key hub for the Human Resources Administration industry.

Pay & Perks

• Pay: $22-$28/Hour (approx. $53.5k/Year)
• Benefits: Eligible team members receive standard benefits.
• Stable workload with modern tooling and processes.

Core Focus

• This role centers on your professional skills within the Human Resources Administration space in Federal Way.

Human Resources Assistant

About Costco

Costco operates membership warehouses providing a wide selection of merchandise to millions of members. The organization maintains a structured corporate environment focused on operational efficiency and employee development. When you embark on a career in human resources assistant job with Costco, you are joining you are joining a disciplined team that prioritizes procedural compliance, punctuality, and systematic employee support.

Job Summary

The Human Resources Assistant processes payroll documentation, maintains employee records, and resolves personnel inquiries. This position requires meticulous attention to detail and adherence to strict corporate policies. You will serve as Full-Time, delivering the signature Methodical that sets Costco apart in the human resources administration.

Comprehensive Responsibilities

• Payroll Processing: Verify weekly timesheets for 350 hourly employees using Kronos to ensure accurate compensation calculations before payroll submission.
• Benefits Administration: Enroll 45 new hires monthly into health insurance and 401(k) plans through the Workday HRIS platform while verifying eligibility documents.
• Record Maintenance: Audit 120 personnel files quarterly to maintain compliance with federal labor regulations and internal audit standards.
• Onboarding Coordination: Facilitate orientation sessions for cohorts of 15 candidates weekly, collecting completed tax forms and issuing identification badges.

Industry-Leading Benefits & Salary

The organization provides comprehensive compensation and wellness packages for qualified personnel.

• Salary: $21.50–$26.75 per hour
• Healthcare Coverage: Comprehensive medical, dental, and vision insurance plans available on the first of the month following 60 days of employment.
• Retirement Plan: Employer-sponsored 401(k) program with matching contributions up to 5 percent of annual earnings after one year of service.
• Paid Time Off: Accrual of 15 days of paid time off annually, plus 8 paid federal holidays per calendar year.

Requirements & Qualifications

• Possess a minimum of 12 months of administrative experience within a human resources department.
• Demonstrate proficiency in utilizing Microsoft Excel to create pivot tables and manage large data sets.
• Complete background verification and employment reference checks satisfactorily prior to commencement.
• Maintain strict confidentiality regarding all employee records, disciplinary actions, and compensation details.