Castelion
Human Resources Generalist
Torrance, CA +1 · Full-time · Posted Oct 19, 2026
- Location
- Torrance, CA
19951 Mariner Ave, Torance, CA 90503 - Experience
- 2+ years of HR experience; experience in a startup or high-growth environment is also required.
- Education
- Bachelor’s degree in Human Resources, Business, or related field.
- Visa sponsorship
- If designated, employment may depend on obtaining and maintaining required U.S. Government security clearance or other authorization and meeting applicable citizenship or eligibility requirements. Employment is also contingent on the ability to access applicable export-controlled information without additional export licensing.
About the job
Supports core HR operations, including onboarding, payroll, benefits administration, HR systems, employee records, and compliance for a growing workforce.
What you'll do
- Coordinate onboarding and offboarding, including documentation, compliance tasks, and employee support.
- Support payroll and benefits administration, respond to routine inquiries, and coordinate with vendors.
- Maintain HRIS data and records, generate reports, and assist with audits and compliance reporting.
What they ask for
- Bachelor’s degree in Human Resources, Business, or related field.
- 2+ years of HR experience with strong ownership of onboarding.
- Experience working in a startup or high-growth environment.
- Proficiency with HRIS platforms; strong attention to detail and understanding of employment laws and compliance requirements.
Nice to have
- Experience in aerospace, defense, manufacturing, or other regulated industries; familiarity with government compliance environments.
- Experience building or scaling HR processes; HR certification (PHR, SHRM-CP, or equivalent).
Tools
Rippling, ADP, Workday
Model-written summary · the original posting is authoritative