Payroll Administrator

Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit them. Our flagship product, the NodeZeroTM platform, delivers production-safe autonomous pentests and other key assess...

We are a fusion of former U.S. Special Operations cyber operators, startup engineers, and formerly frustrated cybersecurity practitioners. We're committed to helping solve our common security problems: ineffective security tools, false positives resulting in alert fatigue, blind spots, "checkbox” security culture, c...

Horizon3 is seeking a detail-oriented, service-minded Payroll Administrator to support our U.S. and international payroll operations. This role will help ensure employees are paid accurately and on time while providing responsive support for payroll questions and maintaining high standards for data integrity, confid...

Assist with the regular processing of payroll for U.S. and international employees.
Serve as a first point of contact for employee questions related to paychecks, taxes, deductions, direct deposit, garnishments, and other payroll matters.
Provide timely, accurate, and high-quality customer service while resolving payroll questions and issues.
Review and audit payroll data, including hours worked, pay rates, deductions, and other employee information, to identify and correct discrepancies.
Support payroll-related onboarding and offboarding activities.
Maintain accurate employee payroll records and protect data integrity across HRIS and payroll systems.
Assist with payroll adjustments, corrections, off-cycle payments, and other special payroll requests as needed.
Help support compliance with applicable federal, state, local, and international payroll requirements.
Partner with People and Finance teams to investigate and resolve payroll discrepancies.
Support year-end payroll activities, including W-2 distribution and related employee communications.
Maintain organized documentation and contribute to continuous improvement of payroll processes and controls.
Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee. Duties, responsibilities, and activities may change at any time with or without notice. 
In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.

1–3 years of customer service, payroll, HR operations, accounting operations, or related experience.
Basic knowledge of payroll processes and terminology, including taxes, deductions, garnishments, direct deposit, and payroll adjustments.
Strong attention to detail, accuracy, and follow-through.
Excellent written and verbal communication skills with a solutions-focused approach.
Ability to handle sensitive and confidential employee information with discretion.
Proficiency in Microsoft Excel and the ability to learn payroll, HRIS, and other business systems quickly; advanced spreadsheet skills are a plus.
Ability to manage multiple priorities, meet deadlines, and maintain consistent quality in a fast-paced environment.
Associate’s or bachelor’s degree in Human Resources, Accounting, Business, or a related field is preferred.
Customer service mindset
Attention to detail and data accuracy
Accountability and ownership
Confidentiality and sound judgment
Team collaboration
Organization and time management
Problem-solving and follow-through
Comfort working independently in a remote environment