Human Resources Manager

Job Title: Human Resources ManagerJob Description

The Human Resources Manager leads all core HR functions for a single-site medical device manufacturing facility, serving as a hands-on, stand-alone HR professional. This role manages full-cycle recruiting, employee relations, benefits, compliance, leave administration, training and development, safety and environmental health programs, and culture initiatives. The position offers high visibility with executive leadership and is ideal for an experienced HR Generalist or HR Business Partner ready to step into a management-level role within a stable, specialized organization.

Responsibilities

• Manage full-cycle recruiting, including sourcing, interviewing, candidate evaluations, offers, onboarding, and offboarding for all roles within the organization.

• Coordinate temporary workforce needs through staffing agencies, ensuring appropriate coverage for production and other departments.

• Conduct reference checks and pre-employment screenings to support sound hiring decisions and maintain compliance.

• Serve as the primary employee relations liaison between leadership and employees, addressing concerns, resolving issues, and fostering a respectful workplace.

• Maintain HRIS records, employee files, and HR reporting to ensure accurate and up-to-date information and support data-driven decision-making.

• Ensure compliance with federal, state, county, and local employment laws and regulations, with particular emphasis on California requirements.

• Support managers with policy interpretation, performance management, and employee counseling to promote consistent and fair practices.

• Administer employee benefits, including enrollment, changes, billing, and ongoing employee support and education.

• Manage leaves of absence, including FMLA and CFRA, and oversee workers' compensation administration in coordination with relevant stakeholders.

• Prepare OSHA logs and assist with safety and regulatory compliance reporting as required.

• Provide executive administrative support to senior leadership as needed, particularly in HR-related initiatives and planning.

• Conduct regular facility safety inspections to identify hazards and ensure a safe working environment.

• Identify workplace safety and environmental risks and recommend corrective actions or process improvements.

• Develop, implement, and maintain safety policies and procedures aligned with applicable regulations and industry standards.

• Coordinate safety and emergency preparedness training for employees, including drills and ongoing awareness programs.

• Monitor compliance with safety standards and regulations, following up on incidents and corrective actions.

• Develop and deliver employee training and development programs to support skill growth, performance, and career progression.

• Partner with leadership on employee growth initiatives, including succession planning, coaching, and development pathways.

• Coach managers and supervisors on performance management, feedback, and employee development best practices.

• Promote and model the company’s culture and values, reinforcing a positive, collaborative, and respectful work environment.

• Maintain a positive, approachable HR presence across the organization, building trust and strong relationships at all levels.

• Oversee Environmental Health & Safety (EHS) programs and initiatives, including coordination with quality audits and related activities.

• Operate as a one-person HR department, managing all HR functions outside of payroll and flexibly supporting initiatives beyond the traditional HR scope.

• Collaborate closely with executive leadership to align HR strategies with business objectives and provide strategic HR guidance.

Essential Skills

• Bachelor's degree in Human Resources, Business Administration, or a related field, or equivalent experience.

• 5+ years of Human Resources experience in a generalist or broad HR capacity.

• Strong background in employee relations, including conflict resolution, counseling, and coaching.

• Experience in recruiting and talent acquisition, including full-cycle hiring processes.

• Proficiency in benefits administration, including enrollment, billing, and employee support.

• Experience managing leaves of absence, including FMLA and CFRA, and coordinating workers' compensation.

• Solid understanding of HR compliance requirements at the federal and California state levels.

• Hands-on experience with HRIS systems, HR administration, and maintaining accurate HR records.

• Experience supporting manufacturing or industrial environments and understanding related HR and safety considerations.

• Comfort working as a stand-alone HR professional responsible for all core HR functions.

• Strong communication skills, both written and verbal, with the ability to build relationships across all levels of the organization.

• Ability to influence employees and leadership, providing guidance and gaining buy-in on HR initiatives and policies.

• Demonstrated experience in performance management and supporting managers with feedback and development.

• Human resource management and human resource generalist experience covering multiple HR disciplines.

Additional Skills & Qualifications

• Bilingual Spanish skills are a plus and can enhance communication with a diverse workforce.

• Experience overseeing Environmental Health & Safety (EHS) programs is a plus.

• Experience in training and development, including designing and delivering employee training programs.

• background in safety, OSHA reporting, and compliance within a manufacturing environment.

• Ability to manage multiple priorities and projects simultaneously in a dynamic, hands-on role.

• Comfort partnering directly with executive leadership and participating in strategic discussions.

• Interest in growing an HR function, with potential to oversee additional support staff in the future.

Work Environment

The role is based 100% onsite at a single manufacturing facility that specializes in medical device production, including hyperbaric oxygen therapy equipment and respiratory products. This smaller, stable manufacturing site is the company’s only location and employs approximately 70 onsite team members, with an additional group of sales representatives across the United States. The majority of employees work on the production floor, creating a hands-on, operationally focused environment where HR is highly visible and closely integrated with daily operations. The Human Resources Manager works standard onsite hours of 8:00 a.m. to 4:30 p.m., providing consistent support to leadership and staff throughout the workday. The culture emphasizes stability, long-term specialization, and close collaboration, offering an ideal setting for someone who enjoys being deeply involved in all aspects of HR, safety, and employee development in a manufacturing context. The position operates as a one-person HR department, partnering closely with executive leadership and engaging in a wide range of initiatives, including EHS and quality audits, within a professional manufacturing environment.

Job Type & Location

This is a Permanent position based out of Anaheim, CA.

Pay and Benefits

The pay range for this position is $95000.00 - $115000.00/yr.

Medical, dental, vision. 401 K with match. PTO & holidays

Workplace Type

This is a fully onsite position in Anaheim,CA.

Application Deadline

This position is anticipated to close on Jul 29, 2026.

About Aston Carter

Aston Carter provides world-class corporate talent solutions to thousands of clients across the globe. Specialized in accounting, finance, human resources, talent acquisition, procurement, supply chain and select administrative professions, we extend the capabilities of industry-leading companies. We draw on our deep recruiting expertise and expansive network to meet the evolving needs of our clients and talent community with agility and excellence. With offices across the U.S., Canada, Asia Pacific and Europe, Aston Carter serves many of the Fortune 500. We are proud to be a ClearlyRated Best of Staffing® Platinum Award winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email View email address on click.appcast.io (%View email address on click.appcast.io) for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.