Sr SOX Tester

DeWinter Group; San Jose (CA); On-site; USD 150,000 - 190,000; Full time

Job summary

DeWinter Group in Mountain View, CA is seeking a Sr SOX Tester to lead the first-year SOX 404b compliance. You will perform walkthroughs, test internal controls, and prepare audit-ready workpapers with the Head of Internal Audit and process owners.

Candidates should have 4–7+ years in public accounting or SOX, strong COSO knowledge, and excellent communication with external auditors. This on-site role helps establish a robust SOX foundation for a growing, public company.

Qualifications

• 4–7+ years in public accounting audit or SOX compliance
• Experience performing SOX walkthroughs and control testing
• Familiar with COSO internal control framework and SOX standards

Responsibilities

• Perform SOX walkthroughs and control testing
• Prepare audit-ready workpapers for external review
• Collaborate with Head of IA and finance process owners
• Support first-year SOX 404b compliance program

Skills

SOX testing

Walkthroughs

Audit documentation

COSO framework

Auditor liaison

Public accounting

Internal control

Education

Bachelor’s degree in Accounting

CPA preferred

Tools

Deloitte test matrix

FloQast

SAP S4 HANA

Bill.com

Job description

Job Title: Sr SOX Tester

Overview:
Unlock the critical role of ensuring impeccable internal controls within a rapidly growing, innovative hardware and software company recognized as the Waymo of trucks. As a Sr SOX Tester, you'll be at the forefront of their first-year SOX 404b compliance process, performing walkthroughs, control testing, and preparing audit-ready workpapers. Partnering directly with the Head of IA and finance process owners, you'll help solidify the company’s SOX foundation, supporting their journey as a public entity with a strong team-oriented culture. This is your chance to make a tangible impact in a cutting-edge environment, leveraging your expertise to ensure regulatory success and operational excellence.

Required Skills:

• 4–7+ years of experience in public accounting audit or SOX compliance/internal audit
• Proven track record performing SOX walkthroughs and control testing
• Strong understanding of RCMs, narratives, and SOX workpaper standards
• Familiarity with COSO internal control framework
• Ability to perform testing and document conclusions effectively
• Experience preparing audit workpapers suitable for external auditor review
• Excellent communication skills and comfort working directly with process owners and external auditors

Nice to Have Skills:

• Prior experience supporting SOX 404b for accelerated filers
• Knowledge of SAP S4 HANA, Bill.com, and FloQast
• Experience with Deloitte test matrix or 404b risk‑control matrix

Preferred Education and Experience:

• Bachelor’s degree in Accounting, Finance, or related field
• CPA designation or progress towards CPA preferred
• Experience in public accounting with global or public company exposure

Other Requirements:

• On‑site position based in Mountain View, California, with a duration from late September to November
• Ability and willingness to work onsite five days a week
• No specific travel requirements beyond the scope of the role, but a need for collaborative, hands‑on engagement with internal and external teams

This position offers an exceptional opportunity for a driven professional to play a pivotal role in a pioneering company’s SOX compliance journey, ensuring controls are robust and audit-ready.