Human Resources Supervisor

About IEM Industrial Electric Mfg. (IEM) is the largest independent full-line manufacturer of custom power distribution systems in North America. Founded more than 75 years ago in Fremont, California, IEM grew alongside Silicon Valley and today operates over 1.7 million square feet of manufacturing capacity. With $1B+ in annual sales and 10,000+ commissioned projects across technology, data centers, commercial, energy, utilities, healthcare, industrial, and infrastructure markets, IEM continues to deliver exceptional product quality, dependable service, and the flexibility to meet complex technical requirements at scale. Position Summary The Human Resources Supervisor is responsible for managing the day-to-day HR operations of their assigned plant. This role supports and partners with plant leadership to implement HR policies, programs, and initiatives in alignment with company objectives and compliance requirements. The HR Supervisor provides guidance on employee relations, staffing, performance management, and compliance with employment laws and regulations. This position reports directly to the Senior Human Resources Manager. Duties include employee relations, handling employee inquiries, and supporting HR Shared Services, benefits administration, onboarding, orientation, employment authorization management, and compliance. Essential Functions Oversee daily HR functions and operations at the plant level, ensuring consistent application of company policies and procedures. Partner with plant leadership to support workforce planning, employee engagement, and talent development initiatives. Provide coaching and support to managers and employees on HR-related matters including performance management, conflict resolution, and employee relations. Administer HR programs such as onboarding, orientation, employee recognition, and exit processes. Ensure legal compliance with all federal, state, and local labor laws and regulations. Maintain accurate and up-to-date employee records and HRIS data. Investigate and resolve employee complaints or concerns in a timely and professional manner. Support recruitment efforts by coordinating interviews, job postings, and working with Talent Acquisition as needed. Participate in internal audits and support compliance and safety initiatives. Generate HR reports, metrics, and presentations for company and corporate leadership as required. Promote a positive, inclusive, and safe work environment aligned with company culture and values. Perform other duties and projects assigned by Manager. Competencies Ethical Conduct. Communication Proficiency. Attention to Detail. Responsive and Approachable. Organizational and Time Management Skills. Strong Sense of Urgency. Education And Experience Bachelor’s degree in Human Resources, Business Administration, or related field. 6+ years of HR generalist in a supervisory position, preferably in manufacturing or an industrial setting. Strong knowledge of HR laws, regulations, and best practices. Must be bilingual (English/Spanish). Excellent verbal and written communication skills. Excellent interpersonal and conflict resolution skills. Excellent organizational skills and attention to detail. Excellent time management skills with a proven ability to meet deadlines. Strong analytical and problem-solving skills. Able to work in a collaborative environment and contribute to team goals. Ability to prioritize tasks. Ability to act with integrity, professionalism, and confidentiality. Proficient with Microsoft Office Suite or related software. Proficiency with or the ability to quickly learn the organization’s HRIS and associated systems. Familiarity with ADP and/or UKG a plus. Physical/Mental/Environmental Physical Demands: Activities: Sitting - 90% Walking/Standing - 10%. Lifting: Must be able to lift up to 15lbs. Vision: Long periods of close work on computer screen. Mental Demands: Interpret, analyze, research, and manage multiple tasks simultaneously. Environment: Climate controlled office space. Why Join IEM At IEM, you’ll join a team that powers some of the world’s most ambitious projects. We’re engineers, makers, and problem-solvers who thrive on tackling complex challenges and delivering solutions that keep industries moving forward. If you’re driven, collaborative, and ready to make an impact, we’d love to hear from you. Your creativity and passion can help us achieve great things—come be part of the journey. Learn more about IEM at We offer comprehensive and competitive benefits package designed to support our employees’ well-being, growth, and long-term success. View a snapshot of our benefits at Non-Discrimination Statement IEM does not discriminate against any applicant based on any characteristic protected by law. #J-18808-Ljbffr