Human Resources Operations Manager

The HR Operations Manager leads day-to-day HR operations with primary ownership of HR systems (ADP) and benefits administration . This role partners closely with Payroll and the broader HR team to ensure accurate employee data, compliant processes, and a strong employee experience across the full employee lifecycle.

This position plays a key role in driving continuous improvement across HR workflows, managing vendors, resolving system issues, and delivering meaningful reporting and insights to support business decisions.

Key Responsibilities

• Serve as primary owner for ADP , ensuring data integrity, consistent processes, and effective system utilization
• Administer core employee lifecycle transactions, including hires, job and compensation changes, terminations, and organizational updates, in alignment with policy and audit requirements
• Partner with HRIS/IT to support workflow configuration, eligibility rules, security roles, and system enhancements; coordinate testing and validation
• Manage system updates and releases, including impact assessments, user communications, job aids, and training for HR partners and managers
• Own end-to-end benefits administration , including eligibility, enrollments/life events, carrier file feeds, billing and premium reconciliation, and employee issue resolution
• Manage benefits vendors and broker/consultant relationships; support renewals, plan changes, and service-level monitoring
• Partner closely with Payroll to ensure accurate benefit deductions, arrears/retroactivity handling, audits, and resolution of pay-impacting issues
• Design and maintain HR dashboards and reports (headcount, attrition, tenure, benefits participation, and other workforce metrics)
• Evaluate and improve HR processes, documentation, and controls to increase efficiency, accuracy, and employee experience
• Develop and maintain HR operational procedures and provide support for handbook and policy documentation as assigned

Qualifications

• Bachelor's degree in human resources, Business Administration, or a related field (or equivalent experience)
• 5+ years of progressive HR operations experience with significant hands-on responsibility for HRIS and benefits administration
• Demonstrated experience administering ADP (or similar HRIS/payroll platforms), including troubleshooting, audits, and end-user support
• Strong working knowledge of benefits operations, including life events, carrier feeds, reconciliation, and vendor management
• Experience partnering with Payroll on deductions, reconciliations, and pay-impacting transactions
• Strong analytical skills with the ability to develop and interpret HR metrics and reports; advanced Excel skills preferred
• Ability to manage multiple priorities in a fast-paced environment with strong attention to detail
• Excellent communication skills and discretion when handling confidential information

Key Skills & Experience

• HRIS administration: ADP data structures, workflows, security concepts, troubleshooting, and user enablement
• Benefits administration: eligibility rules, Open Enrollment, carrier feeds, reconciliation, and employee support
• Payroll partnership: deduction validation, audits, retroactivity/arrears coordination
• Data governance: documentation, approvals, audit trails, and data quality controls
• Reporting & analytics: recurring and ad hoc workforce reporting with large datasets
• Vendor & stakeholder management: collaboration with brokers, carriers, Payroll, Finance, IT, and HR partners
• Project & change management: requirements gathering, testing, communications, training, and adoption
• Compliance awareness: familiarity with ERISA, COBRA/ACA processes, HIPAA/privacy considerations
• Customer service mindset: responsive, employee-centric problem solving

Adamas is an equal opportunity employer. We are committed to the principles of being an equal opportunity employer and to providing our employees with a work environment free of discrimination and harassment.All employment decisions are based on qualifications, merit, and business needs.