Onsite HR Assistant - Seattle (Contract-to-Hire)

Aston Carter; Seattle (WA); On-site; USD 34,000 - 41,000; Full time

Benefits offered by this job

Free onsite parking

Job summary

Aston Carter is seeking a Human Resources Assistant for a 6-month contract-to-hire role based onsite in Seattle, WA. The position supports HR plan administration, recruitment, onboarding, payroll, benefits, and employee relations for a mid-size manufacturing operation with regular Monday–Friday hours.

You will work closely with the HR Generalist to administer programs, maintain HRIS records, handle payroll processing, and ensure compliance with applicable laws.

Qualifications

• 1+ year of HR experience or an HR-related degree.
• Experience providing HR administrative support (calendaring, scheduling).
• Familiarity with ATS platforms (Greenhouse, BambooHR, Workday).
• Experience with onboarding, benefits, and personnel records.
• Strong Microsoft Office and documentation skills.
• Ability to maintain confidential information.

Responsibilities

• Administer HR plans and procedures for site personnel.
• Coordinate recruitment and onboarding at the Seattle site.
• Process payroll accurately and timely, maintaining records.
• Support benefits administration and employee relations.
• Maintain HRIS records and generate reports.
• Ensure compliance with employment regulations.

Skills

HR administration

Onboarding

Payroll processing

MS Office

HRIS

Employee relations

Recruitment support

Attention to detail

Education

HR-related degree

Tools

Greenhouse ATS

BambooHR

Workday

Excel

Job description

Aston Carter is seeking a Human Resources Assistant for a 6-month contract-to-hire role based onsite in Seattle, WA. The position supports HR plan administration, recruitment, onboarding, payroll, benefits, and employee relations for a mid-size manufacturing operation with regular Monday–Friday hours.

You will work closely with the HR Generalist to administer programs, maintain HRIS records, handle payroll processing, and ensure compliance with applicable laws.