HR Assistant

This role provides critical support to the HR team during a period of growth and acquisition by managing the onboarding of new associates, ensuring accurate data entry into HR systems, and delivering responsive benefits support. The HR Onboarding Specialist contributes to a smooth and positive onboarding experience while assisting with HR-related projects and process improvements.

Responsibilities

• Enter new associate information accurately and efficiently into the HRIS system.

• Support the onboarding process for new associates following a large acquisition, ensuring all steps follow established HR processes and procedures.

• Provide benefits support by answering questions, guiding associates through enrollment, and helping them understand available benefit options.

• Assist with benefits administration tasks, including maintaining accurate benefits records in HR or customer management systems.

• Participate in special HR projects as needed, contributing to project planning, coordination, and execution.

• Follow documented HR processes and procedures consistently to ensure compliance and data integrity.

• Communicate clearly and professionally with new associates, HR team members, and other stakeholders via email, phone, and in person.

• Prioritize and manage multiple tasks and deadlines in a fast-paced environment.

• Collaborate with team members to improve onboarding workflows and enhance the overall associate experience.

• Maintain a high level of accuracy and attention to detail in all HR documentation and data entry activities.

Essential Skills

• At least 1 year of experience in human resources, with exposure to benefits and general HR concepts.

• Experience providing HR administrative support, including data entry and documentation.

• Ability to perform accurate data entry in HRIS or customer management systems.

• Familiarity with benefits administration and benefits processes, including PPO or similar plan structures.

• Experience with HR systems such as Workday or comparable HRIS platforms.

• Strong ability to multitask and prioritize work effectively in a dynamic environment.

• High attention to detail and accuracy in handling associate data and HR records.

• Excellent communication skills, both verbal and written.

• Ability to effectively follow established processes and procedures.

• Ability to work both independently and collaboratively within a team.

Additional Skills & Qualifications

• Bachelor’s degree highly preferred, ideally in Human Resources, Project Management, HRIS, Business, or a related field.

• Experience with customer management systems or other enterprise platforms is highly preferred.

• Previous involvement in HR projects, onboarding initiatives, or acquisition-related HR work is beneficial.

• Strong organizational and time management skills.

• Comfort working with confidential information and maintaining discretion.

• Proactive, solution-oriented mindset with an interest in improving HR processes and associate experience.

Work Environment

This is a full-time role of approximately 40 hours per week, Monday through Friday. Work hours fall between 7:00 a.m. and 6:00 p.m., with flexibility to establish a consistent 8.5-hour daily schedule. The position begins as a contract role with the potential to transition into a long-term opportunity on the HR team. The environment is professional and collaborative, with a focus on supporting new associates through a significant organizational acquisition and leveraging HR technologies such as HRIS and customer management systems.

Job Type & Location

This is a Contract position based out of Oshkosh, WI.

Pay and Benefits

The pay range for this position is $20.00 - $24.00/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)

Workplace Type

This is a fully onsite position in Oshkosh,WI.

Application Deadline

This position is anticipated to close on Aug 21, 2026.

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 View email address on click.appcast.io (%View email address on click.appcast.io) 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.