Human Resources Assistant (Full-time)

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

Job Title: Human Resources Assistant

Job Description

This full-time Human Resources Assistant role supports a mid-size manufacturing operation in South Seattle on a 6month contract-to-hire basis. You work fully onsite, Monday through Friday from 8:00 a.m. to 4:00 p.m. with a 30minute lunch, providing comprehensive HR and administrative support. The position focuses on HR plan administration, recruitment, onboarding, benefits, payroll, and employee relations at the site level, while ensuring compliance with all applicable employment regulations.

Responsibilities

• Administer human resource plans and procedures for all company personnel at the site.

• Administer the compensation program and monitor the performance evaluation program.

• Conduct recruitment efforts for exempt and non-exempt employees at the site level, including screening and coordinating the hiring process.

• Support employee relations at the site level in collaboration with the Human Resources Generalist.

• Perform benefits administration at the site level and clearly communicate benefit information to employees.

• Assist in evaluating HR reports, decisions, and departmental results in relation to established goals.

• Process payroll in a timely and accurate manner, including compiling, checking, transmitting data, and maintaining related records.

• Maintain personnel files and ensure all legal and regulatory requirements are met.

• Promote and practice safety and good housekeeping within the office and manufacturing environment.

• Maintain human resources information systems (HRIS) records and compile reports from the database.

• Maintain compliance with all federal and state employment regulations and company policies.

• Handle onboarding for new employees at the Seattle site, including documentation, orientation coordination, and systems setup.

• Provide administrative support to HR, including calendaring, scheduling, and screening inquiries.

• Offer customer service to employees by responding to HR-related questions and directing them to appropriate resources.

• Keep the office door open as needed to support employee relations and accessibility to HR.

• Perform other HR and administrative duties as assigned.

Essential Skills

• At least 1 year of experience in Human Resources or an equivalent HR-related degree, with ideally 6 months to 1 year of hands‑on HR experience.

• Experience providing administrative support in HR, including calendaring, scheduling, and screening.

• Experience working with an applicant tracking system (ATS), such as Greenhouse, BambooHR, Workday, or similar HR software.

• Practical experience with HR administration, including onboarding, benefits, and personnel records.

• Ability to conduct screening and recruiting activities for a variety of roles.

• Proficiency in Microsoft Office applications for documentation, reporting, and communication.

• Experience with HR systems and HR information management.

• Strong employee relations skills and the ability to interact professionally with employees at all levels.

• Solid customer service skills with a focus on responsiveness and clarity.

• Ability to maintain accurate records, manage confidential information, and ensure compliance with employment regulations.

• Strong organizational skills and attention to detail for payroll processing, file maintenance, and reporting.

Additional Skills & Qualifications

• Familiarity with manufacturing environments and the ability to communicate effectively with employees working on the production floor.

• Comfort working with various ATS platforms, including but not limited to Greenhouse, BambooHR, Workday, or comparable systems.

• Ability to compile HR reports from HRIS databases and interpret results in relation to departmental goals.

• Experience supporting performance evaluation and compensation programs.

• Demonstrated ability to promote safety and good housekeeping practices.

• Strong interpersonal skills and a collaborative mindset to work closely with HR leadership.

• Adaptability to take on additional HR and administrative tasks as the role grows, with the potential to move into full‑time hours over time.

Work Environment

The role is based 100% onsite in a manufacturing setting in South Seattle. You primarily work in an office environment, sharing space and close quarters with the HR leadership team, which encourages open‑door accessibility to support employee relations and walk‑in questions. At times, you may go onto the manufacturing floor to speak with employees, so you should be comfortable navigating a production environment and observing safety and housekeeping standards. The schedule is Monday through Friday, 8:00 a.m. to 4:00 p.m. with a 30minute lunch. Free onsite parking is available, and as you grow in the position, there is potential for the role to expand to full‑time hours.full‑time

Job Type & Location

This is a Contract position based out of Seattle, WA.

Pay and Benefits

The pay range for this position is $25.00 - $30.00/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job‑related factors.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: Medical, dental & vision Critical Illness, Accident, and Hospital 401(k) Retirement Plan Pre‑tax and Roth post‑tax contributions available Life Insurance (Voluntary Life & AD&D for the employee and dependents) Short and long‑term disability Health Spending Account (HSA) Transportation benefits Employee Assistance Program Time Off/Leave (PTO, Vacation or Sick Leave)

Job Type & Location

This is a Contract position based out of Seattle, WA.

Application Deadline

This position is anticipated to close on Nov 20, 2026.

Workplace Type

This is a fully onsite position in Seattle,WA.

About Aston Carter

Aston Carter provides world‑class corporate talent solutions to thousands of clients across the globe. Specialized in accounting, finance, human resources, talent acquisition, procurement, supply chain and select administrative professions, we extend the capabilities of industry‑leading companies. We draw on our deep recruiting expertise and expansive network to meet the evolving needs of our clients and talent community with agility and excellence. With offices across the U.S., Canada, Asia Pacific and Europe, Aston Carter serves many of the Fortune 500. We are proud to be a ClearlyRated Best of Staffing Platinum Award winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email [e-mail] ([e-mail]) for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.