Employee Relations Supervisor

Ultimate Staffing; Fountain Valley (CA); On-site; USD 69,000 - 76,000; Part time

Job summary

Ultimate Staffing is seeking an Employee Relations Supervisor in Fountain Valley, CA. This onsite role (with 20% travel) offers a temp-to-hire path and a schedule of Mon-Fri, 8:00-5:00. Pay is $50-$55/hr. Lead complex workplace investigations, coach HRBPs, and drive policy compliance across locations.

You will partner with leadership to address concerns, manage investigations from intake to resolution, and analyze ER trends to inform strategic decisions.

Qualifications

• 7+ years of HR and Employee Relations experience.
• Experience managing complex workplace investigations.
• Experience reviewing disciplinary actions and termination decisions.
• Experience leading, mentoring, or supporting HR professionals or HRBPs.

Responsibilities

• Review and oversee employee relations investigations conducted by HRBPs.
• Coach HRBP team on investigations, documentation, corrective actions, and terminations.
• Lead complex employee relations cases from intake through resolution.
• Partner with managers to address workplace concerns and performance issues.
• Ensure policy alignment and employment law compliance.
• Prepare detailed investigation summaries, findings, and recommendations.
• Analyze ER trends and provide reporting to leadership.
• Assist with policy development, audits, training, and compliance initiatives.
• Collaborate with legal counsel on escalated ER matters.

Skills

Employee Relations

Workplace Investigations

HR Business Partner

Communication

Excel

Spanish (Bilingual)

Education

Bachelor's degree or equivalent experience

PHR/SPHR/SHRM-CP/SHRM-SCP certification a plus

Job description

Job Title: Employee Relations Supervisor

Location: Fountain Valley, CA (Onsite with 20% travel as needed)

Employment Type: Temp to Hire

Schedule: Mon-Fri 8:00 - 5:00

Pay: $50-$55/hr.

We're partnering with a growing organization to find an experienced Employee Relations Supervisor to lead complex workplace investigations and provide guidance to a team of HR Business Partners across multiple locations.

This is an excellent opportunity for someone whose primary focus has been Employee Relations and who enjoys balancing hands-on case management with coaching and leadership responsibilities.

What You'll Do

• Review and oversee employee relations investigations conducted by HRBPs
• Coach and develop HRBP team members on investigations, documentation, corrective actions, and terminations
• Lead complex employee relations cases from intake through resolution
• Partner with managers and leadership to address workplace concerns, performance issues, and employee disputes
• Ensure consistent application of company policies and employment law compliance
• Prepare detailed investigation summaries, findings, and recommendations
• Analyze ER trends and provide reporting and insights to leadership
• Assist with policy development, audits, training, and compliance initiatives
• Partner with legal counsel on escalated employee relations matters and employment claims as needed

What We're Looking For

• 7+ years of progressive Human Resources and Employee Relations experience
• Strong background managing complex workplace investigations
• Experience reviewing disciplinary actions and termination decisions
• Previous experience leading, mentoring, or supporting HR professionals or HRBPs
• Multi-state employee relations experience preferred
• Strong report writing, documentation, and communication skills
• Advanced Excel and Microsoft Office skills
• Experience supporting warehouse, distribution, manufacturing, or similar work environments strongly preferred
• Experience handling employee relations at the corporate level
• Bachelor's degree or equivalent experience
• PHR, SPHR, SHRM-CP, or SHRM-SCP certifications are a plus
• Bilingual Spanish is a plus, but not required

Desired Skills and Experience

• Employee Relations
• HR Business Partner (HRBP)
• Workplace Investigations
• Employee Relations Investigations
• Employment Law
• Litigation Management
• Conflict Resolution
• Performance Management
• Corrective Action
• Terminations
• HR Compliance
• Policy Development
• Leadership & Team Management
• Labor & Employee Relations
• Bilingual Spanish
• Mediation
• Risk Management
• Multi-State Employment Law
• Training & Development
• Human Resources Management
• Case Management
• Employee Engagement
• Organizational Development

All qualified applicants will receive consideration for employment without regard to race, color, national origin, age, ancestry, religion, sex, sexual orientation, gender identity, gender expression, marital status, disability, medical condition, genetic information, pregnancy, or military or veteran status. We consider all qualified applicants, including those with criminal histories, in a manner consistent with state and local laws, including the California Fair Chance Act, City of Los Angeles' Fair Chance Initiative for Hiring Ordinance, Los Angeles County Fair Chance Ordinance, and San Francisco Fair Chance Ordinance.

Job Title: Employee Relations Supervisor

Location: Fountain Valley, CA (Onsite with 20% travel as needed)

Employment Type: Temp to Hire

Schedule: Mon-Fri 8:00 - 5:00

Pay: $50-$55/hr.

We're partnering with a growing organization to find an experienced Employee Relations Supervisor to lead complex workplace investigations and provide guidance to a team of HR Business Partners across multiple locations.

This is an excellent opportunity for someone whose primary focus has been Employee Relations and who enjoys balancing hands-on case management with coaching and leadership responsibilities.

What You'll Do

• Review and oversee employee relations investigations conducted by HRBPs
• Coach and develop HRBP team members on investigations, documentation, corrective actions, and terminations
• Lead complex employee relations cases from intake through resolution
• Partner with managers and leadership to address workplace concerns, performance issues, and employee disputes
• Ensure consistent application of company policies and employment law compliance
• Prepare detailed investigation summaries, findings, and recommendations
• Analyze ER trends and provide reporting and insights to leadership
• Assist with policy development, audits, training, and compliance initiatives
• Partner with legal counsel on escalated employee relations matters and employment claims as needed

What We're Looking For

• 7+ years of progressive Human Resources and Employee Relations experience
• Strong background managing complex workplace investigations
• Experience reviewing disciplinary actions and termination decisions
• Previous experience leading, mentoring, or supporting HR professionals or HRBPs
• Multi-state employee relations experience preferred
• Strong report writing, documentation, and communication skills
• Advanced Excel and Microsoft Office skills
• Experience supporting warehouse, distribution, manufacturing, or similar work environments strongly preferred
• Experience handling employee relations at the corporate level
• Bachelor's degree or equivalent experience
• PHR, SPHR, SHRM-CP, or SHRM-SCP certifications are a plus
• Bilingual Spanish is a plus, but not required