Senior HR Generalist, Full Time, Human Resources

SENIOR HR GENERALIST

Santa Ana, CA | Full-Time, Exempt | $80,000 - $90,000/year | Onsite

OneOC is proud to partner with Cristo Rey Orange County High School to recruit this exceptional opportunity.

Health insurance

Training & development

Cristo Rey Orange County High School is a Catholic, college-preparatory school committed to transforming lives through education, faith, and opportunity. As part of the national Cristo Rey Network, students gain professional work experience through the innovative Corporate Work Study Program while preparing for college and future careers.

This is more than a traditional HR role. Cristo Rey Orange County High School is seeking a Senior HR Generalist to serve as a trusted advisor and strategic partner to leadership. This is a high-impact “HR team of one” opportunity for an experienced HR professional who thrives in building structure, ensuring compliance, and supporting a mission‑driven workplace.

Strategic HR Leadership

Partner directly with leadership on HR strategy and organizational effectiveness

Build and strengthen HR systems, infrastructure, and processes

Payroll, Compliance & HR Operations

Oversee HRIS, personnel records, reporting, and audit‑ready documentation

Lead employee handbook updates and policy development

Oversee workplace safety and workers’ compensation claims

Talent Acquisition & Employee Relations

Lead full‑cycle recruitment, sourcing, screening, and onboarding

Partner with hiring managers to attract mission‑aligned talent

Manage onboarding, background checks, and fingerprinting

Lead employee relations efforts, investigations, and conflict resolution

Support performance management and corrective action processes

Familiarity with or openness to the teachings and mission of the Catholic Church, along with commitment to building a vibrant organizational culture aligned with Cristo Rey’s mission and Catholic identity

Bachelor’s degree in Human Resources, Business, or related field (or equivalent experience)

7–10+ years of progressive HR experience, ideally in a nonprofit or educational setting

Demonstrated experience managing payroll processing (Gusto preferred)

Strong knowledge of California employment law and HR compliance

Proven ability to operate independently in an HR team‑of‑one environment

Experience advising leadership and handling complex employee relations matters

Excellent communication and interpersonal skillsProficiency in Microsoft Office (especially Excel) and HR systems

HR certification (PHR, SPHR, SHRM‑CP/SCP) preferred

Be part of a mission‑driven organization transforming students’ lives

Opportunity to build and shape HR infrastructure in a growing school

Direct partnership with executive leadership

Access to a national network of 41 Cristo Rey schools

Medical, dental, and vision insurance

403(b) retirement plan with employer contribution

Generous paid time off and holidays