Shared Services HR Specialist

Aston Carter•San Diego, CA

1d•$31 - $34•Onsite

About The Position

Our client is seeking a highly detail-oriented Shared Services HR Specialist to join their growing HR Operations team in San Diego, CA. This position is ideal for an HR professional who excels in a fast-paced, high-volume environment and has a passion for accuracy, process excellence, and employee data management. In this role, you will be responsible for processing employee lifecycle transactions, managing HR service requests, maintaining data integrity across HR systems, and supporting compliance initiatives. Success requires exceptional attention to detail, strong HR systems experience, and the ability to consistently deliver high-quality work while meeting service-level expectations.

Requirements

High school diploma or equivalent required.
4+ years of progressive HR administration, HR operations, shared services, payroll support, or HRIS experience.
2+ years of experience processing high-volume HR transactions in a shared services, HR operations, payroll, or HRIS environment.
Hands-on experience with SuccessFactors, SAP, ServiceNow, or similar HR systems.
Strong knowledge of employee lifecycle processes, including hires, terminations, transfers, promotions, and pay changes.
Exceptional attention to detail with a proven ability to maintain accuracy in a high-volume environment.
Intermediate to advanced Microsoft Excel skills, including: Pivot Tables, VLOOKUP, XLOOKUP, Data validation and reporting.
Strong organizational, analytical, and problem-solving abilities.
Excellent written and verbal communication skills.
Ability to work independently while collaborating effectively across teams.
Demonstrated ability to maintain confidentiality and manage sensitive employee data.

Nice To Haves

Experience supporting HR Shared Services organizations.
Knowledge of I-9 verification and employment eligibility compliance.
Familiarity with HR audits, compliance reviews, and documentation requirements.
Experience working in a rapidly growing or highly dynamic organization.

Responsibilities

Process high-volume HR transactions within SuccessFactors Employee Central, SAP, and ServiceNow, including: New hires and rehires, Promotions and transfers, Compensation changes, Organizational updates, Employee separations and terminations.
Manage and resolve 30–40 HR ServiceNow cases daily, ensuring accurate documentation review and timely case completion.
Validate employee data before and after entry, ensuring accuracy of: Employee master records, Organizational assignments, Compensation details, Effective dates and employment actions.
Perform quality assurance reviews, reconcile data across systems, and proactively resolve discrepancies.
Maintain audit-ready documentation and ensure compliance with established HR policies, procedures, and service-level agreements (SLAs).
Partner closely with HR Operations, Payroll, Benefits, Talent Acquisition, managers, and Centers of Excellence (COEs) to support seamless employee lifecycle administration.
Contribute to process improvement, standardization, training initiatives, and operational audits.
Provide guidance and support to junior team members as needed.
Handle sensitive employee information with the highest level of confidentiality and professionalism.