Senior Human Resources Generalist

• Core Requirement: Extensive, hands-on US HR operations experience, preferably within technology, consulting, staffing, or professional services organizations.

• US HR Operations & Regulatory Compliance: End-to-end ownership of HR operations across multiple US states, including employee lifecycle management, federal and state-specific employment requirements, policy administration, documentation, and compliance risk mitigation.
• Payroll & Benefits Administration: Oversight and coordination of US payroll processing, compensation changes, deductions, benefits enrollment, payroll reconciliation, discrepancy resolution, and W-2/W-9 documentation.
• Talent Acquisition & Onboarding: Strategic partnership with hiring managers throughout the recruitment lifecycle, including workforce requirements, candidate assessment, offer management, background verification, employment eligibility documentation, and structured onboarding.
• Employee Relations & Performance Management: Independent management of employee concerns, sensitive workplace matters, performance reviews, performance improvement plans (PIPs), investigations coordination, and manager advisory.
• HR Policy & Process Architecture: Design, implementation, and continuous improvement of HR policies, standard operating procedures (SOPs), workflows, controls, and scalable employee lifecycle processes.
• Employment Classification & Risk Management: Practical understanding of employee versus independent contractor classification, worker-classification risks, documentation requirements, and appropriate escalation of legal concerns.
• US Immigration Coordination: Working familiarity with H-1B, L-1, and F-1 employment authorization processes, including coordination with immigration counsel, documentation, compliance tracking, and employment-related changes.
• HRIS & People Operations Systems: Experience with HRIS platforms, payroll systems, benefits administration tools, employee records, and operational reporting.
• Internship Program Development: Establishment of structured internship programs with defined learning objectives, supervision frameworks, evaluation criteria, and appropriate classification review.
• Cross-Border HR Leadership: Effective coordination between US and Mexico leadership, balancing standardized global processes with country-specific employment requirements and confidentiality obligations.
• Executive & Leadership Partnership: Independent judgment, proactive risk escalation, data-informed recommendations, and the ability to resolve operational matters with minimal supervision.

• Proven experience as an HR Manager, Senior HR Generalist, or equivalent senior HR operations professional.
• Demonstrated ability to independently manage day-to-day US HR operations across multiple states.
• Experience building or strengthening HR functions within lean, fast-growing organizations.
• Strong practical knowledge of US employment compliance, payroll, benefits, employee relations, and onboarding.
• Ability to work directly with senior leadership, external legal counsel, immigration specialists, payroll providers, and tax professionals.
• Exceptional written and verbal communication skills in English.
• Spanish proficiency preferred where required for local stakeholder communication.

• Conduct a comprehensive assessment of existing US–Mexico HR operations, identifying immediate compliance gaps, operational risks, and improvement opportunities.
• Establish clear ownership and accountability for employee transactions, payroll coordination, onboarding, benefits, and outstanding HR matters.
• Strengthen employee documentation, compliance tracking, HR workflows, and record-management practices.
• Build effective partnerships with leadership, hiring managers, and external specialist providers.
• Deliver a prioritized 30-60-90-day roadmap focused on operational efficiency, risk reduction, process standardization, and leadership enablement.

A highly accountable, commercially aware HR professional who combines deep practical US HR expertise, strong compliance judgment, independent execution, and process-building capability. The successful candidate will operate as a trusted partner to leadership, take ownership of day-to-day HR operations, and establish scalable, reliable processes that support organizational growth across the United States and Mexico.