Principal Finance Manager

Onto Innovation•Wilmington, MA

4d•Onsite

About The Position

The Principal Finance Manager – Cost Analyst will serve as a key finance partner responsible for SG&A planning, budgeting, forecasting, and consolidation across a complex organization. In this role, you will support multiple business and project teams with competing priorities while providing clear financial insight, disciplined budget management, and actionable analysis to leadership. This position requires strong financial planning acumen, prior experience setting targets and managing SG&A budgets, and the ability to operate independently in a fast-paced environment.

Requirements

Bachelor’s degree in Finance, Accounting, Economics, or a related field required; advanced degree or professional certification is a plus.
5+ years of progressive finance experience in FP&A, cost analysis, or related roles with direct responsibility for SG&A planning and budget management.
Demonstrated experience working within a complex, matrixed organization and supporting multiple teams or projects with competing deadlines and priorities.
Advanced Excel skills required, including complex modeling, pivot tables, lookups, and data analysis.
Highly organized, proactive, and able to work independently while balancing multiple priorities in a fast-paced environment.

Nice To Haves

Advanced degree or professional certification is a plus.
Prior systems experience with Oracle EBS is a plus.

Responsibilities

Lead the development, consolidation, and ongoing management of SG&A budgets, forecasts, and annual operating plans across multiple functions and project teams.
Partner with business leaders to set financial targets, monitor performance against plan, and identify key risks and opportunities.
Prepare accurate and timely expense forecasting models, scenario analyses, and budget updates to support decision-making and resource allocation.
Manage SG&A consolidation across a complex organizational structure, ensuring alignment of assumptions, reporting consistency, and timely delivery of consolidated views.
Support multiple cross-functional and project teams with competing priorities by providing financial guidance, budget tracking, and ad hoc analysis.
Partner with department leaders to evaluate spending trends, explain variances, and recommend actions to improve cost discipline and financial performance.
Develop and deliver recurring and ad hoc management reporting packages that provide clear insight into SG&A performance, spending trends, and forecast changes.
Build and maintain robust Excel-based models and analytical tools to support budgeting, consolidation, variance analysis, and executive presentations.
Identify opportunities to improve financial processes, reporting accuracy, and planning efficiency through standardization, automation, and disciplined execution.