Job Title: Interim Human Resources Manager
Job ID:US005986-6756
Location: San Marcos, CA (On-site; Multi-site transitional)
Department: Human Resources
Reports To: HRBP & Compliance Manager
Job Type: Full-Time
Compensation: Up to $129,000 per year DOE + Incentive Compensation
Summary:
At Aptiv Interconnect, we inspire the world’s most innovative teams by doing the right thing, the right way. We foster a dynamic, inclusive environment that thrives on collaboration and continuous growth. As the Interim Human Resources Manager for our San Marcos team, you will act as the critical bridge between business objectives and people strategies.
We need more than a high-level planner—we are looking for an adaptable, hands-on leader who isn't afraid to roll up their sleeves and drive real results. In this role, you will quickly grasp our broader strategy, deliver sound, data-driven HR recommendations, and map out clear, actionable steps that empower our organization to reach its goals during this transition.
Note: This is a multi-site transitional opportunity. Following the successful completion of the interim period in San Marcos, the ideal candidate must be open to relocating to support our site operations.
Leadership & Core Responsibilities
Culture Champion & Talent Leadership (Accountability)
- Talent Strategy & Operations: Accountable for delivering exceptional service to both internal employees and external candidates. Effectively close talent gaps by attracting, retaining, and developing top-tier talent that aligns with our mission.
- System & Policy Administration: Oversee payroll and system administration, ensuring full compliance with all organizational policies and labor regulations.
- Workplace Culture: Be a champion of our culture while helping to build a strong, thriving organization where potential transforms into purpose.
Cross-Functional Partnering & Service (Collaboration)
- Leadership & Vendor Alignment: Partner cross-functionally with Leadership, HR, employees, and vendors to lead by example, hold others accountable, and make data-driven decisions that positively impact employee experience.
- Empowering Environment: Foster a collaborative and empowering environment that drives success and supports the overall mission of the organization.
Strategic Guidance & Employee Engagement (Empowerment)
- Strategic Advising: Empowered to share insights on company strategy, tactics, and direction while advising on staffing levels, hires, terminations, and compensation structures.
- Process & Cost Optimization: Build and maintain communication channels that enhance employee engagement while innovating to reduce costs and streamline payroll and benefits processes.
- Continuous Improvement: Utilize feedback from surveys and employee reviews to continuously improve our workplace culture and retention strategies.
Position Requirements
Education & Technical Qualifications
- Education: Bachelor’s degree in a related field preferred.
- Experience: Minimum of 5+ years of progressive HR experience, particularly in a mid-sized manufacturing environment with multi-site operations.
- Legal Compliance: Strong understanding of employment laws and regulations, particularly those applicable in California.
Certifications & Competencies
- Languages: Bilingual in Spanish is highly desirable.
- Systems Proficiency: Google Enterprise (Workspace) and ADP.
- Core Competencies: Adaptable, hands-on leadership; solutions-focused approach; ability to thrive in dynamic, fast-paced environments while maintaining high ethical standards. Excellent communication skills to foster strong relationships across all levels of the organization
Compensation, Benefits & Legal
Total Rewards & Compensation
- Base Salary Range: Up to $129,000 DOE per year. Exact salary will be contingent upon your experience, education, skills, and any other factors considered relevant to the hiring decision.
Incentive Compensation: AIP target 10%.
Benefits & Perks: Comprehensive healthcare coverage, paid time off, and continuous professional development opportunities. Learn more at Winchester Interconnect Careers.
EEO Statement
Aptiv is an Equal Opportunity Employer (Minorities/Women/Protected Veterans/Individuals with Disabilities). We adhere to all federal, state, and local laws governing non-discrimination and strictly prohibit workplace harassment of any kind.
Skills Required
- Bachelor's degree in a related field
- 5+ years of progressive human resources experience
- Experience in a mid-sized manufacturing environment
- Experience with multi-site operations
- Strong understanding of California employment laws and regulations
- Bilingual Spanish language skills
- Proficiency with Google Workspace
- Proficiency with ADP
- Openness to relocating to support site operations after the interim period
What We Do
Winchester Interconnect designs and manufactures precision-engineered interconnect systems, including connectors, cable assemblies, RF/microwave solutions, and fiber optics. They provide tailored solutions for high-performance applications across the aerospace, defense, medical, and industrial sectors, focusing on solving complex connectivity challenges with high reliability and agility.






