Senior Accountant

Onto Innovation•Wilmington, MA

14h•$93,600 - $140,400

About The Position

Onto Innovation is a leader in process control, combining global scale with an expanded portfolio of leading-edge technologies that include: 3D metrology spanning the chip from nanometer-scale transistors to micron-level die-interconnects; macro defect inspection of wafers and packages; metal interconnect composition; factory analytics; and lithography for advanced semiconductor packaging. Our breadth of offerings across the entire semiconductor value chain helps our customers solve their most difficult yield, device performance, quality, and reliability issues. Onto Innovation strives to optimize customers’ critical path of progress by making them smarter, faster and more efficient. Role Overview The Senior Accountant, SEC Reporting & Technical Accounting will support the Company’s external financial reporting process through hands‑on preparation of SEC filings, disclosures, and technical accounting analyses. This role is ideal for a high‑performing senior accountant with public accounting and/or public company experience who is looking to deepen SEC reporting and technical accounting expertise.

Requirements

~2–4+ years of progressive accounting experience.
Bachelor’s degree in Accounting or equivalent.
Foundational knowledge of U.S. GAAP and financial statements.
Experience in public accounting (Big 4 or national firm) or public company accounting.
Strong Excel skills and attention to detail.

Nice To Haves

Experience supporting SEC reporting (10-K/10-Q exposure a plus).
CPA or CPA‑eligible strongly preferred.
Exposure to technical accounting research or memo preparation.
Experience working in a Big 4–audited environment.

Responsibilities

Prepare components of SEC filings, including: Forms 10-K, 10-Q, and 8-K
Financial statement footnotes and supporting schedules
Assist with tie‑outs, disclosure checklists, and quality control procedures.
Support XBRL tagging and filing logistics.
Prepare documentation and schedules to support external auditor reviews.
Research U.S. GAAP guidance for accounting and disclosure questions.
Prepare draft technical accounting memos for review by Manager/Director.
Assist with evaluation and implementation of new accounting standards.
Support accounting analysis for transactions such as revenue arrangements, equity compensation, restructurings, or M&A (as applicable).
Administration and accounting for equity plans, including RSUs and ESPP program
Coordinate required valuations of various performance equity awards
Ensure appropriate accounting for leases under ASC 842
Execute SOX controls related to external financial reporting and disclosures.
Maintain clear, well‑organized workpapers to support filings and audits.
Assist with addressing auditor questions and walkthroughs.
Work with FP&A, Legal, Tax, and other accounting teams to gather data used in SEC filings.
Support earnings close and reporting calendar activities.
Identify opportunities to improve documentation, efficiency, and repeatability in reporting processes.
Continue building technical accounting and SEC reporting expertise with coaching from leadership.