• Human Resources Coordinator

    Aston Carter (Valencia, CA)


    Job Title: Human Resources Coordinator

    Job Description

    The Human Resources Coordinator/Executive Assistant provides dual support to both the Human Resources function and the CEO, ensuring smooth daily operations across the organization. This role involves assisting with onboarding and offboarding, managing training logistics, providing benefits and payroll support, coordinating employee engagement activities, and liaising with HR vendors and partners. Additionally, the position manages executive-level administrative support for the CEO, including complex calendar management, meeting preparation, travel arrangements, expense processing, and handling communications. Success in this role requires a strong attention to detail, excellent prioritization skills, a proactive and flexible mindset, and a people-first approach that aligns with the company culture. This position is ideal for an adaptable HR or administrative professional with at least two years of experience who thrives in a dynamic, collaborative environment.

    Responsibilities

    + Assist with onboarding and offboarding processes.

    + Coordinate training logistics and HR administration tasks.

    + Provide benefits and payroll support, including timecard audits and discrepancy resolution.

    + Organize culture and engagement activities such as birthdays, holiday events, and sales meetings.

    + Liaise with vendors and partners, including benefits brokers and HR service providers.

    + Manage CEO's calendar, meetings, travel arrangements, and expenses.

    + Facilitate recruiting coordination, including scheduling, postings, and candidate communication.

    + Maintain confidentiality and handle complex communications on behalf of the CEO.

    Essential Skills

    + Proficiency in Microsoft 365 and HRIS/timekeeping systems.

    + Basic understanding of CA labor law and leave policies.

    + High attention to detail and strong prioritization skills.

    + Proactive problem-solving abilities.

    + Strong communication skills and ability to maintain confidentiality.

    + Comfortable with technology and rapid learning.

     

    Additional Skills & Qualifications

     

    + Experience in executive support, enhancing efficiency in managing the CEO’s calendar and meetings.

    + Experience with payroll systems and ATS platforms.

    + Project management and strong computer skills.

    + Prior experience in employee engagement, culture initiatives, or event coordination.

    Work Environment

    This role is fully onsite from Monday through Friday, 8 am - 5 pm. The HR Coordinator reports to a one-person HR manager and the CEO. The company has approximately 200 employees working both in-office and remotely. The work environment is an administrative office setting with adherence to clean room manufacturing GMP standards.

     

    Job Type & Location

     

    This is a Contract to Hire position based out of Valencia, CA.

    Pay and Benefits

    The pay range for this position is $40.38 - $40.38/hr.

     

    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 Valencia,CA.

     

    Application Deadline

     

    This position is anticipated to close on Jan 31, 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® double diamond 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 [email protected] (%[email protected]) for other accommodation options.