Lambda
Overview
Senior Payroll Specialist role at Lambda. You will play a vital role in ensuring the accuracy, compliance, and timely execution of U.S. and global payroll operations, including management of multi-state payroll and support for international employees via EORs such as Rippling and Remote.
Base pay range $146,000.00/yr - $220,000.00/yr
What You’ll Do
Process bi-weekly and semi-monthly payroll for U.S. based employees across multiple locations
Manage payroll operations with global EOR providers like Rippling and Remote to support international employees
Ensure compliance with federal, state, and local wage, hour, and payroll laws and best practices
Maintain and update employee payroll records, including tax information, direct deposit, and garnishments
Process and submit employee equity transactions and ensure proper tax withholding
Perform benefits reconciliation and ensure accurate deduction processing and enrollments
Coordinate with HR and Finance teams to support compensation updates, bonuses, and benefit deductions
Prepare and file payroll-related reports, including tax filings, W-2s, and year-end documentation
Conduct audits and ensure payroll processes align with SOX compliance and company policy
Manage time and attendance workflows, ensuring timely, accurate data collection
Investigate and resolve payroll discrepancies quickly and professionally
Identify opportunities to streamline and improve payroll processes for efficiency and accuracy
Stay current on payroll-related laws, tax updates, and compliance requirements
Assist with new state payroll tax registrations and ensure compliance with federal, state, local tax regulations, wage and hour laws, and company policies
Resolve payroll employee service request cases in JIRA
Engage in payroll projects and duties as needed
You Have
3–4 years of experience managing end-to-end payroll, including multi-state and international payroll
Proven background as a Payroll Specialist, Payroll Administrator, or similar role
Hands-on experience with salaried, salaried non-exempt, and hourly payroll
Familiarity with equity processing, tax withholding and W-2 generation
Strong knowledge of payroll compliance requirements
Experience processing payroll for 300+ employees
Excellent attention to detail, data accuracy, and handling of sensitive information
Ability to manage multiple priorities and work effectively in a deadline-driven environment
Nice to Have
Experience working in a start-up or high-growth environment
Familiarity with Rippling (or similar platforms like Workday, ADP, Gusto)
Exposure to global payroll operations and EOR providers
Prior experience with payroll-related audits and SOX compliance
Salary Range Information The annual salary range for this position has been set based on market data and other factors. However, a salary higher or lower than this range may be appropriate for a candidate whose qualifications differ meaningfully from those listed in the job description.
About Lambda
Founded in 2012, ~400 employees (2025) and growing fast
We offer generous cash & equity compensation
Investors include Andra Capital, SGW, Andrej Karpathy, ARK Invest, and others
Health, dental, and vision coverage for you and your dependents
Wellness and commuter stipends for select roles
401k Plan with 2% company match (USA employees)
Flexible Paid Time Off Plan
Equal Opportunity Employer Lambda is an Equal Opportunity employer. Applicants are considered without regard to race, color, religion, creed, national origin, age, sex, gender, marital status, sexual orientation and identity, genetic information, veteran status, citizenship, or any other factors prohibited by local, state, or federal law.
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Base pay range $146,000.00/yr - $220,000.00/yr
What You’ll Do
Process bi-weekly and semi-monthly payroll for U.S. based employees across multiple locations
Manage payroll operations with global EOR providers like Rippling and Remote to support international employees
Ensure compliance with federal, state, and local wage, hour, and payroll laws and best practices
Maintain and update employee payroll records, including tax information, direct deposit, and garnishments
Process and submit employee equity transactions and ensure proper tax withholding
Perform benefits reconciliation and ensure accurate deduction processing and enrollments
Coordinate with HR and Finance teams to support compensation updates, bonuses, and benefit deductions
Prepare and file payroll-related reports, including tax filings, W-2s, and year-end documentation
Conduct audits and ensure payroll processes align with SOX compliance and company policy
Manage time and attendance workflows, ensuring timely, accurate data collection
Investigate and resolve payroll discrepancies quickly and professionally
Identify opportunities to streamline and improve payroll processes for efficiency and accuracy
Stay current on payroll-related laws, tax updates, and compliance requirements
Assist with new state payroll tax registrations and ensure compliance with federal, state, local tax regulations, wage and hour laws, and company policies
Resolve payroll employee service request cases in JIRA
Engage in payroll projects and duties as needed
You Have
3–4 years of experience managing end-to-end payroll, including multi-state and international payroll
Proven background as a Payroll Specialist, Payroll Administrator, or similar role
Hands-on experience with salaried, salaried non-exempt, and hourly payroll
Familiarity with equity processing, tax withholding and W-2 generation
Strong knowledge of payroll compliance requirements
Experience processing payroll for 300+ employees
Excellent attention to detail, data accuracy, and handling of sensitive information
Ability to manage multiple priorities and work effectively in a deadline-driven environment
Nice to Have
Experience working in a start-up or high-growth environment
Familiarity with Rippling (or similar platforms like Workday, ADP, Gusto)
Exposure to global payroll operations and EOR providers
Prior experience with payroll-related audits and SOX compliance
Salary Range Information The annual salary range for this position has been set based on market data and other factors. However, a salary higher or lower than this range may be appropriate for a candidate whose qualifications differ meaningfully from those listed in the job description.
About Lambda
Founded in 2012, ~400 employees (2025) and growing fast
We offer generous cash & equity compensation
Investors include Andra Capital, SGW, Andrej Karpathy, ARK Invest, and others
Health, dental, and vision coverage for you and your dependents
Wellness and commuter stipends for select roles
401k Plan with 2% company match (USA employees)
Flexible Paid Time Off Plan
Equal Opportunity Employer Lambda is an Equal Opportunity employer. Applicants are considered without regard to race, color, religion, creed, national origin, age, sex, gender, marital status, sexual orientation and identity, genetic information, veteran status, citizenship, or any other factors prohibited by local, state, or federal law.
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