Why Ryan?

Hybrid Work Options

Award-Winning Culture

Generous Personal Time Off (PTO) Perks

14-Weeks of 100% Paid Leave for New Parents (Adoption Included)

Monthly Gym Membership Reimbursement OR Gym Equipment Reimbursement

Benefits Eligibility Effective Day One

401K with Employer Match

Tuition Reimbursement After One Year of Service

Fertility Assistance Program

Four-Week Company-Paid Sabbatical Eligibility After Five Years of Service

The Senior Manager, Tax Technology leads complex indirect tax technology implementation projects for enterprise clients, with a primary focus on ERP integration, tax engine deployment, and business process transformation. This role oversees multiple concurrent engagements from planning through production deployment, ensuring projects are delivered on time, within budget, and in accordance with Ryan’s delivery standards.

The ideal candidate has substantial experience leading multiple full-cycle implementations integrating SAP ECC or SAP S/4HANA with Vertex O Series or OneSource Determination. In addition to client delivery, the Senior Manager develops consulting professionals, manages direct reports, supports business development, and contributes to the continued growth of Ryan’s Tax Technology practice.

This position is eligible for remote or hybrid work arrangements, with periodic travel required to support client engagements and team collaboration.

Duties and responsibilities, as they align to Ryan’s Key Results People:

Creates a positive, accountable, and collaborative team environment aligned with Ryan’s core values.

Leads, coaches, and develops consulting professionals through technical guidance, performance management, training, and career development.





Oversees project staffing, resource planning, workload distribution, and utilization across concurrent engagements.

Establishes consistent implementation methodologies, quality standards, and delivery best practices.

Supports recruiting, interviewing, onboarding, and professional development of Tax Technology team members.

Client:

Leads complex indirect tax technology implementations from project initiation through deployment and post-go-live support.

Serves as a trusted advisor to client tax, finance, accounting, and IT stakeholders.

Oversees the implementation lifecycle, including requirements gathering, solution and process design, configuration, ERP integration, testing, cutover, and hypercare.

Manages project scope, schedules, budgets, staffing, financial performance, and risks across multiple engagements.

Reviews functional specifications, testing documentation, and client deliverables to ensure quality and implementation readiness.

Supports proposals, client presentations, engagement planning, and identification of additional service opportunities.

Value:

Applies indirect tax and technology expertise to translate business requirements into practical, scalable solutions.

Provides technical leadership for ERP integrations, tax engine implementations, and custom tax automation solutions.





Develops implementation methodologies, quality standards, and reusable delivery assets that improve project consistency and efficiency.

Promotes the appropriate use of automation, analytics, and artificial intelligence to improve delivery and client outcomes.

Ensures strong engagement performance through disciplined budgeting, forecasting, resource planning, billing, and change management.

Supports practice growth through thought leadership, strategic initiatives, vendor relationships, and knowledge sharing.

Performs other duties as assigned.

Education and Experience:

Bachelor’s degree or Master’s degree from a four-year college or university and a minimum of seven to ten years of experience providing indirect tax automation and implementation services is required. Accounting, Tax, or Information Technology degrees are desirable.

Experience working for a consulting firm, tax software provider, or systems integrator delivering enterprise indirect tax technology implementations is strongly preferred.

Certified Public Accountant (CPA) or Project Management Professional (PMP) designation is a plus.

Demonstrated experience leading multiple full-cycle enterprise software implementations from requirements gathering through production deployment and post-go-live support.

Extensive knowledge of indirect tax technology software solutions is required, specifically Vertex O Series or OneSource Determination.

Extensive ERP knowledge specific to tax determination and finance. The ideal candidate has experience working with and designing SAP ERP Sales and Distribution (SD), Materials Ma

📌 Senior Manager, Tax Technology Consulting (Melbourne)
🏢 Ryan Companies US
📍 Melbourne