Summary

Position Summary

BTS Tax Operate - Tax Senior Manager

Role summary

The Senior Manager will serve as a senior engagement management lead across a portfolio of complex U.S. domestic and global tax compliance engagements, with accountability for day-to-day client engagement delivery, governance, and execution.

This role is accountable for delivery governance, engagement economics, executive communication, transitions, issue resolution, and team leadership across a portfolio of tax compliance and reporting engagements. The Senior Manager will help ensure a consistent, scalable, and high-quality client and internal experience by aligning delivery discipline, stakeholder management, operational visibility, and coordination across the engagement lifecycle.

Strategic Engagement Leadership

Serve as the senior engagement management lead across a portfolio of complex U.S. corporate and investment management tax engagements, providing strategic oversight, leadership presence, and accountability for delivery quality and client outcomes.
Lead large-scale engagement governance and project management, ensuring strategic alignment, risk management, and clear visibility to senior leadership and clients.
Provide direction across workstreams, teams, and leadership groups to drive transparency, delivery discipline, and accountability.
Support coordination across U.S. and global engagement teams to ensure consistent execution and alignment to client service expectations

Delivery Governance and Operational Excellence

Oversee engagement plans, service delivery milestones, compliance calendars, and governance routines to ensure work is executed in line with client expectations and internal quality standards.
Drive visibility into engagement status through dashboards, reporting packs, and web-based tracking tools.
Monitor execution against client service plans and ensure timely follow-through on obligations, milestones, and deliverables.
Lead issue resolution and risk management across the engagement portfolio, escalating material risks and coordinating with internal teams, service lines, and regional or member-firm counterparts as needed.
Promote continuous improvement, standardized ways of working, and operational excellence across the broader playbook.

Client Relationship Management and Executive Communication

Develop trusted relationships with senior client stakeholders, engagement leaders, and PPMDs/LTPs, serving as a strategic advisor on engagement operations and delivery priorities.
Lead executive communications, including governance calls, high-stakes presentations, monthly status reviews, and leadership updates tailored to audience and business need.
Manage strategic messaging to ensure the right information reaches the right audience at the right time.
Lead conference calls with clients to discuss compliance and obligation status and strengthen working relationships with key stakeholders.
Support market visibility and eminence-building through internal and external relationship-building opportunities

Engagement Economics and Resource Strategy

Oversee engagement economics, including staffing strategy, budget-to-actual performance, fee forecasting, and realization across the portfolio.
Maintain resource visibility and staffing rosters across large or multi-workstream engagements, aligning talent to evolving client needs.
Organize staffing and monitor budgets, communicating issues and performance trends to project leaders in a timely manner.
Translate financial and operational data into actionable insights for engagement leadership.
Coordinate with local and regional member-firm teams to align staffing, fee assumptions, and delivery expectations across global engagements

Transitions, Scope Changes, and Pursuits

Lead transition planning for new engagements and major scope changes, including onboarding, scope confirmation, stakeholder alignment, and resource strategy.
Lead the transition process end to end, including setup of delivery tracking tools, status reporting, and readiness oversight.
Work with local and regional Deloitte teams to track transition status and manage scope discussions.
Support development of engagement documentation, including assumptions, deliverables, and change control triggers.
Review proposals, support opportunity setup, finalize fees and assumptions, and help shape commercially viable delivery approaches.
Talent Leadership and Team Development
Build, lead, and develop high-performing teams, fostering inclusion, accountability, trust, and strong team culture.
Coach and mentor team members, helping them grow professionally while reinforcing high standards of delivery and collaboration.
Drive organizational development initiatives that strengthen capability, scalability, and consistency across teams.
Create a positive learning culture that supports professional growth, performance, and well-being.
Support an environment of transparency, respect, and continuous development across the team

Qualifications / Experience

Post-graduation/master's in business administration preferred.
12+ years of relevant experience in engagement management, project management office leadership, tax operations, or related service delivery roles.
Experience supporting U.S. corporate income tax compliance, investment management tax compliance, and/or global tax compliance and reporting environments.
Demonstrated experience leading large, complex engagements involving portfolio oversight, stakeholder management, staffing strategy, budgeting, and risk management.
Strong executive communication and presentation skills, with the ability to influence senior stakeholders.
Strong technology and reporting skills, including Excel, PowerPoint, and data/reporting tools such as Power BI, Tableau, or Alteryx.
Ability to manage multiple priorities, adapt quickly to change, and lead teams through complexity.
Familiarity with AI-enabled productivity and workflow tools is required.

Our purpose

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Our people and culture

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Professional development

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Benefits To Help You Thrive

At Deloitte, we know that great people make a great organization. Our comprehensive rewards program helps us deliver a distinctly Deloitte experience that helps that empowers our professionals to thrive mentally, physically, and financially—and live their purpose. To support our professionals and their loved ones, we offer a broad range of benefits. Eligibility requirements may be based on role, tenure, type of employment and/ or other criteria. Learn more about what working at Deloitte can mean for you.

Recruiting tips

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Requisition code: 357894

BTS Tax Operate - Tax Senior Manager

Manager - U.S. International Tax