Castelion
Human Resources Business Partner
Torrance, CA +1 · Full-time · Posted Sep 7, 2026
- Location
- Torrance, CA
19951 Mariner Ave, Torance, CA 90503 - Experience
- 5+ years of progressive HR experience; must include HR Business Partner experience supporting technical, engineering, manufacturing, and/or operations organizations.
- Visa sponsorship
- No visa policy stated. If designated, the role may require a U.S. Government security clearance or other authorization and applicable citizenship or eligibility requirements. Employment is contingent on access to applicable export-controlled information without additional export licensing.
About the job
Partners with leaders and employees to align people strategies with business objectives and improve organizational effectiveness, talent development, employee relations, and workforce performance.
What you'll do
- Advise and coach leaders on workforce planning, organizational design, performance management, and employee relations.
- Lead talent reviews, succession planning, leadership development, and organizational effectiveness initiatives.
- Improve HR processes and deliver People programs that support company culture and operational efficiency.
What they ask for
- 5+ years of progressive HR experience, including HR Business Partner experience supporting technical, engineering, manufacturing, and/or operations organizations.
- Experience supporting exempt and non-exempt employees in a fast-paced environment.
- Experience with workforce planning, talent development, organizational design, and performance management.
- Strong understanding of employment law and employee relations; ability to influence without authority and use people data for business recommendations.
Nice to have
- Experience supporting aerospace, defense, manufacturing, hardware, or other highly technical organizations, or organizations undergoing hypergrowth.
- Master's degree, PHR, SPHR, SHRM-CP, or SHRM-SCP certification.
Model-written summary · the original posting is authoritative