Human Resources Generalist – Night Shift

International Motors • San Antonio, TX

1d • Onsite

About The Position

The Human Resources Generalist provides hands-on HR partnership to the Plant HR Manager, Associate HR Manager, and manufacturing leadership team during the launch and scaling of Night Shift operations at a large commercial truck manufacturing facility in South San Antonio. The role supports employee engagement, workforce planning, employee relations, talent initiatives, HR programs, organizational effectiveness, and continuous improvement. It will help hire and onboard approximately 1,100 employees as part of the Night Shift expansion.

The position initially supports 1st Shift to complete training, onboarding, and establish plant partnerships, then transitions to dedicated Night Shift support around Q1 2027. During the Night Shift launch, it dotted-line reports to the Launch HR Program Manager to support workforce readiness, process execution, employee communications, and operational stabilization. The assigned Night Shift schedule is Monday–Thursday, 6:00 PM–4:30 AM; schedules and start times may vary based on business needs. A 10% shift differential is provided after transition to the assigned Night Shift schedule. The role may also support production recovery days on Fridays as needed.

Requirements

• Bachelor's degree and at least 2 years of human resources or labor experience, or a master's degree and at least 1 year of human resources or labor experience, or at least 5 years of human resources or labor experience.
• Qualified candidates, excluding current employees, must be legally authorized on an unrestricted basis (U.S. Citizen, Legal Permanent Resident, Refugee, or Asylee) to work in the United States; employment-related work sponsorship is not anticipated.
• Ability to partner with manufacturing or plant leadership and support hourly and salaried employees.
• Strong employee relations experience, including independently managing investigations, performance issues, corrective actions, and workplace concerns.
• Experience interpreting workforce metrics such as turnover, attrition, absenteeism, staffing, retention, engagement, and employee relations trends.
• Ability to use workforce data to identify trends, support root-cause analysis, and develop actionable recommendations.
• Ability to own HR projects and initiatives from planning through execution.
• Understanding of manufacturing operations, workforce challenges, and HR needs of hourly production employees.
• Strong communication, coaching, influencing, and relationship-building skills.
• Ability to build credibility with employees, supervisors, managers, and senior plant leaders.
• Sound judgment and discretion in handling sensitive employee and business matters.
• Ability to prioritize competing demands and work effectively in a fast-paced, high-volume manufacturing environment.
• Proficiency in Microsoft Office, including Excel, Outlook, and Teams, and experience with HR systems such as HRIS, applicant tracking, and timekeeping systems.
• Strong analytical, problem-solving, and organizational skills.
• Ability to work the assigned Night Shift schedule and maintain flexibility based on manufacturing and business needs.

Nice To Haves

• Five or more years of progressive Human Resources Generalist experience.
• Experience supporting a manufacturing, industrial, or high-volume production environment.
• Experience supporting new shift launches, production ramp-ups, workforce expansions, or high-volume hiring initiatives.

Responsibilities

• Partner with the Plant HR Manager, Associate HR Manager, and manufacturing leadership team to provide day-to-day HR support across employee relations, workforce planning, talent management, HR programs, and organizational effectiveness.
• Support the HR Program Manager and launch team with Night Shift implementation, including workforce readiness, staffing execution, onboarding, training alignment, employee communications, and change management.
• Initially support 1st Shift operations to complete training, establish partnerships, and learn plant processes before transitioning to dedicated Night Shift HR support.
• Build relationships with Night Shift leaders and employees and respond to production workforce needs.
• Advise Business Team Leaders, Managers, and Supervisors on employee relations, attendance, performance management, policy interpretation, and HR practices.
• Independently manage employee relations matters, including investigations, workplace concerns, corrective actions, performance issues, and terminations, with consistent, compliant handling and documentation.
• Identify employee relations and workforce trends, investigate root causes, and partner with HR and business leaders on practical solutions.
• Monitor and analyze turnover, attrition, absenteeism, staffing, retention, engagement, and employee relations metrics; communicate insights to HR and plant leadership.
• Support workforce planning with Talent Acquisition and business leaders, including staffing strategies, recruiting, candidate selection, onboarding readiness, and production ramp-up.
• Support development and implementation of HR processes, routines, and leadership expectations for successful shift operations.
• Lead assigned HR projects and continuous improvement initiatives focused on workforce stability, employee experience, and operational effectiveness.
• Prepare HR reports, dashboards, presentations, and workforce analytics for leadership decision-making.
• Support compensation planning, performance management, workforce planning goals, employee programs, and initiatives.
• Provide guidance and informal mentorship to less experienced HR team members and serve as a resource on HR processes and best practices.
• Partner with HR, Operations, Manufacturing Engineering, Training, Talent Acquisition, and other functional teams to support business priorities.
• Identify opportunities to improve HR processes, systems, and employee experiences and help implement solutions.
• Maintain compliance with company policies, employment laws, EEO requirements, and HR procedures, including accurate documentation and recordkeeping.
• Support employee engagement initiatives, recognition programs, hiring events, and workforce development activities.
• Support production recovery days (Fridays) as needed.
• Perform other duties as assigned.

Benefits

• Competitive market-based compensation.
• Comprehensive benefits package designed to support employee wellbeing.
• 10% shift differential after transitioning to the assigned Night Shift schedule.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level