Senior Manager, Payroll Tax Amendment

At Justworks, you'll enjoy a welcoming and casual environment, great benefits, wellness program offerings, company retreats, and the ability to interact with and learn from leaders in the startup community. We work hard and care about our most prized asset - our people.

We're helping businesses get off the ground by enabling them to focus on running their business. We solve HR issues. We're data-driven and never stop iterating. If you'd like to work in a supportive, entrepreneurial environment, are interested in building something meaningful and having fun while doing it, we'd love to hear from you.

We're united by shared goals and shared motivations at Justworks. These are best summed up in our company values, which are reflected in our product and in our team.

Our Values

If this sounds like you, you'll fit right in.

At Justworks, you'll enjoy a welcoming and casual environment where you manage and improve the payroll tax amendment process across all required areas. You'll work on making the process scalable, auditable, and repeatable. Your job is to tackle system and operational problems, set the process rules, and handle compliance risks to avoid penalties. 

You own this process and make sure it fits with the company's compliance and drive operational efficiency through process improvement, automation, and advocating for improvements to our product. Look for ways to make things more efficient, be comfortable with technology, and show patience and determination while working with people in a fast-paced environment. You will be the primary subject matter expert and strategic leader for all payroll tax amendment policies and procedures, advising executive leadership on potential risks and opportunities.

As the Senior Manager, Payroll Tax Amendment you'll build and coach the team that handles the tax amendments to do great work. You will make sure routine and complex tasks are executed to keep clients compliant. This means working with other teams to solve customer issues and talking with federal, state, and local tax offices.

What You Will Work On:

Strategic & Policy Leadership:

• Elevate the strategic vision for critical tax compliance processes, leveraging deep business acumen to define and finalize internal policy. Partner with Legal, Compliance, and Accounting to establish future-state standards and mitigate risk at scale.
• Collaborate with Product and Engineering to re-architect data extraction logic, ensuring accurate and minimal payroll data for tax amendments, driving efficiency and minimizing cost of service delivery.
• Ensure business continuity and mitigate knowledge transfer risk by thoroughly documenting core logic, error handling, and reconciliation processes, providing executive-level insight into operational stability.

Amendment Process & System Integration:

• Integrate the amendment process with comprehensive workbooks to ensure data consistency, accuracy, and detailed audit trails, providing valuable insight into process integrity.
• Automate workflow to reflect changes/approvals in associated workbooks and provide accurate, in-depth reports and analysis, maximizing efficiency at scale.
• Implement advanced formulas for automatic calculation of tax implications for robust data validation, directly impacting the cost.
• Administer and document the approval process within workbooks, including electronic signatures and date stamps, upholding audit standards at scale.
• Establish workbooks as the centralized information and tracking hub for all amendment-related status and data, offering real-time operational insight.

Team Management & Development:

• Build, lead, and manage a new, high-performing team of Tax Amendment professionals responsible for all filings across all payroll models, ensuring coverage and compliance at scale.
• Perform all managerial duties: hiring, performance management, and separation, informed by business acumen to staff for efficiency and future growth.
• Mentor team leads and specialists, fostering a culture of openness, integrity, and cross-functional collaboration, cultivating internal expertise that reduces the cost of external reliance.
• Direct the execution and maintenance of Tax Amendment Standard Operating Procedures (SOPs) and Service Level Agreements (SLAs), optimizing service cost and delivery time at scale.

Tax Amendment Operations & Risk:

• Oversee the creation and filing of amended Federal, State, and Local tax returns (including W2Cs and amended 1099s) via Mastertax, and back-file original returns as necessary, managing a high volume of transactions at scale.
• Direct the research and resolution of complex amended tax return issues with taxing jurisdictions and internal teams, using insight to navigate regulatory challenges.
• Proactively triage issues to identify systemic trends and engineering intervention needs; recommend and execute process improvements that dramatically reduce the long-term cost of errors.
• Ensure adherence to compliance by proactively identifying and mitigating potential tax amendment risks, using sophisticated business acumen to quantify exposure at scale.
• Maintain deep subject matter expertise in R&D, ERTC, and other payroll tax credits as they apply to amended returns, leveraging this insight to identify opportunities for client savings.
• Develop and implement strategies to optimize the efficiency and accuracy of the tax amendment function, with a clear focus on minimizing operational cost while ensuring quality at scale.

As Senior Manager of the Payroll Tax Amendments team, how results are achieved is paramount for your success and ultimately result in our success as an organization. In this role, your foundational knowledge, skills, abilities and personal attributes are anchored in the following competencies:

• Detail-oriented - exercises extreme attention to detail; is thorough, accurate, organized, and productive and seeks to understand both the cause and effect of a situation.
• Adaptability - the ability to adjust your approach or actions in response to changes in your external environment.
• Good judgment - the exercise of critical thinking, analyzing and assessing problems and implications, identifying patterns, making connections of underlying issues, understanding risks and developing mitigation strategies, and taking ownership of the outcome.
• Clear communication - the ability to articulate thoughts and express ideas effectively using oral, written, visual and non-verbal communication skills, as well as listening skills to gain understanding.
• Systems thinking - the ability to look at overall systems holistically and understand how things work within the system through the exploration of inter-dependencies and inter-relationships (context and connections).

In addition, all Justworkers focus on aligning their behaviors to our core values known as COGIS. It stands for:

• Camaraderie: Day to day you can be seen working together toward a higher purpose. You like to have fun. You're an active listener, treat people respectfully, and have a strong desire to know and help others.
• Openness: Your default is to be open. You're willing to share information, understand other perspectives, and consider new possibilities. You're curious, ask open questions, and are receptive to thoughts and feedback from others.
• Grit: You demonstrate grit by having the courage to commit and persevere. You're committed, earnest, and dive in to get the job done well with a positive attitude.
• Integrity: Simply put, do what you say and say what you'll do. You're honest and forthright, have a strong moral compass, and strive to match your words with your actions while leading by example.
• Simplicity: Be like Einstein: "Everything should be made as simple as possible, but no simpler."

• Minimum 8+ years of progressive management experience in payroll tax compliance, with at least 3 years at a Senior Manager or Director level.
• Deep Subject Matter Expertise: Minimum of 5+ years of hands-on experience in complex, multi-jurisdictional payroll tax amendments and reconciliation (Federal, State, and Local).
• Familiarity with quarterly and year-end filing cycles is a required
• Product/System Fluency: Proven experience collaborating with Product and Engineering teams to solve operational challenges and drive product-level improvements (e.g., data mapping, system integrations).
• Required Technical Fluency: Expert proficiency in tax filing software (MasterTax required) and advanced analytical skills (Excel/Sheets) for complex data modeling.
• Certifications: CPP (Certified Payroll Professional) is strongly preferred.
• Process-driven while able to be resourceful and adaptable
• Experience with multi-state accounts for single large employer OR a large multi-employer doing
• Strong written and verbal communication skills, with the ability to translate complex processes clearly

The base wage range for this position based in our New York City Office is targeted at $155, $178,825.00.

#LI-Hybrid #LI-M

Actual compensation is based on multiple factors that are unique to each candidate, including and not limited to skill set, level of relevant experience, and specific work location.  Salary ranges for positions based in other locations may differ based on the cost of labor in that location. 

For more information about Justworks' Total Reward Philosophy, including all of the perks and benefits we are proud to offer our team members, please visit Total Rewards @ Justworks. 

Justworks is committed to maintaining a workplace where diversity of identity, culture, and life experience is the norm and is celebrated authentically and respected consistently. Diversity in our work, our people, and our product drives creativity and innovation, entrepreneurial leadership and integrity, competitiveness, and collaboration throughout our business and in the market. We depend on our differences to make our team stronger, our workplace more dynamic, and our product accessible to all of our customers.

We're proud to be an equal opportunity employer open to all qualified applicants regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital or familial status, disability, pregnancy, gender identity or expression, veteran status, genetic information, or any other legally protected status. Justworks is fully dedicated to providing necessary support to candidates with disabilities who may require reasonable accommodations. We also provide reasonable accommodations to employees based on their sincerely held religious beliefs, as well as for other covered reasons consistent with applicable federal, state, and local laws. If you're in need of a reasonable accommodation, please reach out to us at Your comfort and success matter to us, and we're here to ensure an inclusive experience.

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