Payroll & Immigration Administrator

ACCIONA is a global company, leading in the development of regenerative infrastructure that creates a positive impact on society. Our workforce consists of more than 65,000 professionals, present in more than 40 countries across the five continents, all contributing in our mission to design a better planet. Are you a passionate individual who wants to make a difference, promote sustainable development, and find solutions to the biggest global challenges including climate change, overpopulation, and water scarcity? Come and join us in building the infrastructure our planet needs to achieve a sustainable future.

Acciona offers a competitive salary, relocation assistance where relocation is required and approved, 401(k) retirement plan, medical, dental, vision, life, short and long-term disability benefits, tuition reimbursement, paid time off, and more.

This role is responsible for leading payroll processing, administering employee benefits, coordinating employment-based immigration, and supporting HR operations. The ideal candidate is a self-starter with a deep understanding of compliance, strong analytical skills, and a proactive approach to process improvement and employee support.
This position plays a critical role in ensuring payroll accuracy, benefits compliance, and positive employee experiences across the organization.

Payroll Management and Benefits Administration (Approx. 50%)

• Own and manage the end-to-end processing of semi-monthly/monthly payroll for multi-state or international employees using Workday.
• Ensure payroll compliance with all applicable federal, state, and local laws.
• Analyze payroll data and conduct regular audits to ensure accuracy and compliance.
• Serve as the subject matter expert for all payroll-related inquiries, escalations, and reporting.
• Collaborate with Finance to reconcile payroll data and assist in budgeting or audit processes.

• Oversee the administration of employee benefits programs, including health, dental, vision, life, disability, FSA/HSA, COBRA, and 401(k).
• Partner with benefits brokers and vendors to manage enrollments, terminations, renewals, and claims issues.
• Lead the open enrollment process, including employee communications, system updates, and compliance filings (e.g., ACA).
• Ensure benefits offerings are competitive, compliant, and aligned with organizational goals.
• Support employee education and communication regarding benefits offerings and changes.

Immigration Coordination (Approx. 30%)

• Manage employment-based immigration processes in collaboration with external counsel, including H-1B, L-1, OPT, STEM extensions, and PERM.
• Maintain accurate records of visa statuses and ensure timely filings, renewals, and compliance with immigration regulations.
• Support employees and managers with immigration-related questions and transitions.
• Monitor immigration policy updates and communicate potential organizational impacts.

HR Administration & Compliance (Approx. 20%)

• Maintain accurate and up-to-date employee records in the HRIS system and personnel files.
• Support onboarding and offboarding processes, ensuring compliance with I-9, E-Verify, and documentation requirements.
• Ensure consistent and compliant HR practices in alignment with company policies and legal requirements.
• Collaborate on HR projects including policy development, audits, system enhancements, and employee experience initiatives.
• Prepare HR reports and metrics for leadership and regulatory filings as needed.

• Bachelor’s degree in Human Resources, Accounting, Business Administration, or a related field.
• 4+ years of experience in payroll processing and benefits administration in a multi-state environment.
• Strong knowledge of payroll compliance, benefits regulations (ACA, ERISA, COBRA), and general HR laws.
• Experience with immigration coordination or support of sponsored employees.
• Proficiency in Workday HRIS and payroll platforms.
• High attention to detail and ability to maintain confidentiality.
• Excellent problem-solving, communication, and project management skills.

Preferred:

• Experience with international payroll and global benefits programs.
• Knowledge of U.S. immigration and visa sponsorship processes.

ACCIONA has been given the Top Employer 2022, 2023, 2024 & 2025 certification in US, as well as the Top Employers North America 2022, 2023, 2024 & 2025 seal, which certifies the company's commitment to excellence in human resources management and those who focus on putting their people first through their exceptional HR policies. As a company that values diversity as a source of talent, we work to foster an inclusive environment that promotes respect, belonging and engagement so that all people can participate on an equal opportunity basis. We invite everyone to apply regardless of origin, circumstances, background or condition.