Payroll Specialist

MBX Biosciences•Carmel, IN

19d

About The Position

MBX Biosciences is seeking a Payroll Specialist to handle timely and accurate payroll processing and related tax reporting. The role manages semi-monthly payroll preparation, deductions, payroll inquiries, and payroll tax jurisdiction registrations and correspondence. It works closely with Human Resources on employee pay changes and supports the Controllership/Finance department with reconciliations, year-end reporting, and ad hoc projects. Success requires strong communication, organization, attention to detail, multitasking, a proactive attitude, and problem-solving skills in a fast-paced environment. The position requires periodic travel as requested by the Company, including attendance at Together Weeks, Together Days, and functional meetings. MBX Biosciences is a clinical-stage biopharmaceutical company headquartered in Carmel, Indiana, with a secondary office in Burlington, Massachusetts. Its mission is to transform the lives of people affected by endocrine and metabolic disorders through precision peptide therapeutics.

Requirements

At least 3 years of payroll processing experience in multi-state environments.
Bachelor’s degree; a major in a business-related field is preferred.
Extensive knowledge of state-specific payroll tax and experience managing multiple state registrations and ongoing compliance.
Experience processing equity-related payroll information, such as NQSO, ISO, RSU, and disqualifying dispositions, in coordination with a captive broker.
Experience in a company subject to SOX compliance.
Very detail-oriented and well organized.
Ability to work independently in a fast-paced environment and handle multiple projects at once.

Nice To Haves

Proficiency with Paycor and NetSuite.

Responsibilities

Assist in preparing multi-state semi-monthly payroll.
Prepare semi-monthly payroll journal entries and assist with monthly and quarterly payroll reconciliations.
Maintain current registrations for applicable state and local tax jurisdictions and handle related correspondence.
Coordinate with Human Resources on payroll matters related to new hires, terminations, salary changes, tax withholdings, deductions, benefit changes, leaves of absence, and other employee pay changes.
Verify, remit, and finalize transmission of employee 401(k) and HSA deductions to the respective plan providers.
Process equity-related compensation accurately for W-2 purposes, as applicable.
Maintain files and documentation accurately and thoroughly in accordance with company policy, generally accepted accounting policies, and Sarbanes-Oxley (SOX) requirements.
Support year-end IRS form reporting, including verifying employee W-2 accuracy and supporting preparation of Forms 3921 and 3922.
Support the Controllership/Finance department on miscellaneous and ad hoc projects.
Perform other responsibilities as assigned.
Travel periodically as requested by the Company, including attending Together Weeks, Together Days, and functional meetings.