Sr. Payroll Accountant

Astra•Alameda, CA

About The Position

Detail-oriented and highly organized Part-Time Payroll Accountant supporting payroll operations for a fast-paced rocket manufacturing and aerospace organization. Responsible for processing accurate and timely payroll for engineers, technicians manufacturing operations, and corporate staff while ensuring compliance with federal, state, and international regulations. Manages timekeeping systems, payroll reconciliations, tax filings, and benefits deductions with precision and confidentiality. Collaborates closely with HR, finance, and program management teams to support complex compensation structures, including shift differentials, project-based pay, government contract requirements, and equity compensation. Brings strong analytical skills, discretion, and adaptability to a high-growth, innovation-driven environment where accuracy and reliability are mission-critical.

Requirements

Minimum 5 years of payroll processing experience
Must be proficient with Rippling payroll and Rippling Unity
Solid understanding of accounting fundamentals and payroll best practices
Solid knowledge of Excel
Great attention to detail
Excellent customer service, organizational, time management, and prioritization abilities
Decision-making, problem-solving, and analytical skills
Ability to deal sensitively with confidential material
Ability to effectively communicate with various levels of management and third-party providers

Responsibilities

Prepare semi-monthly payroll and review payroll reports for accuracy for exempt, non-exempt, contractor, and leave of absence population.
Assist in the day-to-day responsibilities of the payroll departments with accuracy and timeliness.
Review timesheets for approval and accuracy. Communicate directly with managers and employees in a timely manner.
Prepare and analyze various payroll reports each pay period to assure accuracy and internal controls.
Review and process wage garnishments through payroll.
Prepare off cycle payroll for termination and other payroll related payments as needed.
Research and resolve questions from employees and managers related to payroll information such as time off, retroactive pay calculations, tax questions, benefits inquiries, and other changes
Prepare payroll journal entries into accounting system and ensure proper GL coding
Generate various reports for the HR and Finance departments
Assist with Workers' Compensation and 401k audits
Validate prorated pay calculations for new hires and terminations including PTO pro-ration
Understand proper taxation of employer and employee paid benefits and ensure proper processing through payroll (HSA, FSA, Medical, Dental, Vision, AD&D, Life insurance, Disability, 401(k), etc.)
Perform year end W-2 process and reconciliations
Update and maintain GL coding in Rippling as needed
Stay current and ensure compliance with all company policies as well as federal, state, and local laws.
Perform other duties as assigned and participate in projects as assigned