Human Resources Manager in St. Peters, Missouri at Cosmos Corporation

At Cosmos Corporation, we make health and wellness products that help people and pets live better lives. From our O’Fallon, Missouri headquarters, we manufacture high-quality, natural liquid products with ingredients people trust!

The Human Resources Manager leads the day-to-day HR function at Cosmos and manages the HR team, so the business runs smoothly and employees are well supported. This role owns the operational backbone of HR; benefits, payroll, systems, onboarding, compliance, and employee relations and is the first point of contact for managers and employees on people matters. It keeps Cosmos consistent, compliant, and audit-ready as the company grows, exercising sound judgment on routine employee-relations matters and escalating complex or high-risk situations to senior leadership and legal counsel. The result is an HR function that runs with discipline and care while the company scales toward its next phase.

• Lead the HR team, ensuring daily HR operations across benefits, payroll, systems, run accurately and on time.
• Serve as the first point of contact for employee relations; resolving routine concerns, and conducting fact-based investigations, escalating complex or high-risk matters to legal counsel.
• Administer leave, accommodation, and ADA processes, ensuring fair, compliant, and well-documented decisions.
• Own HR compliance operations required filings, reporting, recordkeeping, and consistent policy application keeping Cosmos audit-ready.
• Partner with hiring managers on recruiting and selection to deliver a consistent, culture-aligned candidate experience.
• Steward onboarding, recognition, and culture programs that reinforce Cosmos values and strengthen the employee experience.
• Maintain and apply Cosmos HR policies, mission, vision, promise, and values, so people decisions are made consistently and fairly.

Qualifications

• Bachelor’s degree in Human Resources, or a related field, or equivalent experience.
• 3+ years of progressive HR experience, including at least 1–2 years leading or supervising others.
• Working knowledge of employment law, benefits, payroll, and HR compliance.
• Experience with HRIS platforms and comfort using technology and AI to streamline HR work.
• Demonstrated sound judgment handling confidential and sensitive employee matters.

Preferred Qualifications

• PHR/SPHR or SHRM-CP/SHRM-SCP certification.
• Experience in a manufacturing environment.

Competencies

• Sound judgment and discretion.
• People leadership and coaching.
• Operational excellence and follow-through.
• Clear, direct communication.
• Adaptability and learning velocity.
• Cultural alignment — Hungry, Humble, High EQ.

Benefits & Culture

• Paid vacation, sick leave, and Five Mission Days.
• Comprehensive medical, dental, and vision group insurance.
• 401(k) contribution.
• Development programs.
• A positive, purpose-driven culture where people truly care about one another.

Cosmos is a company that supports and invests in its employees. We have a healthy workplace culture guided by a clear vision, mission, promise, and values! Our culture is intentionally fostered daily by how employees live out our values. The result is a place where employees genuinely enjoy coming to work every day!

Physical Requirements

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.

Work is performed in a collaborative office environment. Must be able to communicate clearly. Sit for extended periods of time, frequently reach with hands and arms, including overhead; occasionally stoops, bends, kneels, and crouches, lift and/or move up to 25 pounds. Hearing abilities are required. Vision abilities required including close vision, distance vision, color vision, peripheral vision, depth perception, and the ability to adjust focus.

Cosmos Corporation is an equal-opportunity employer. We prohibit discrimination and harassment of any kind. Cosmos Corporation makes hiring decisions based solely on qualifications, merit, and business needs at the time.