Sr Internal Auditor

Posted Yesterday
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Irvine, CA, USA
In-Office
90K-100K Annually
Senior level
Healthtech
The Role
Plan and execute SOX 404 and operational/IT audits, evaluate design and operating effectiveness of controls, document findings and remediation, prepare workpapers and process documentation, collaborate with process owners and external auditors, and support special compliance and system implementation projects.
Summary Generated by Built In

Job Summary

The Senior Internal Auditor supports the company’s internal audit activities with a primary focus on Sarbanes-Oxley (SOX) 404 compliance, while also contributing to operational, IT, and compliance-related projects. This role partners across functions and levels of the organization to assess risk, evaluate internal controls, identify opportunities for improvement, and support overall compliance efforts. The ideal candidate is a self-starter who can work independently, manage multiple priorities, and communicate effectively in a dynamic business environment.

Duties & Responsibilities

  • Plan and execute audits across various business units, including SOX 404 compliance testing of financial and IT controls 
  • Evaluate the design and operating effectiveness of internal controls and identify opportunities for process improvement 
  • Partner with process owners to ensure controls are appropriately designed to mitigate risk 
  • Collaborate with external auditors to support audit planning, respond to inquiries, and address identified risk areas 
  • Document audit findings, control deficiencies, and recommendations, and partner with business leaders on remediation plans 
  • Prepare clear and thorough workpapers, process narratives, flowcharts, and audit documentation 
  • Summarize and present audit observations, conclusions, and recommendations to Internal Audit leadership and management 
  • Support special projects such as financial analyses, operational reviews, compliance reviews, and system implementations 
  • Manage multiple assignments and deadlines while maintaining a high level of accuracy and attention to detail 
  • Travel domestically and internationally on a limited basis, as needed

Minimum & Preferred Qualifications and Experience

Minimum Qualifications

  • Minimum 3 years of audit-related experience, with strong emphasis on SOX compliance testing 

  • Strong knowledge of US GAAP and the COSO framework 

  • Experience evaluating financial and/or IT controls in a corporate or public accounting environment 

  • Strong analytical, organizational, and problem-solving skills 

  • Ability to work independently and collaboratively in a team environment 

  • Strong written and verbal communication skills, with the ability to clearly articulate audit findings and recommendations 

  • Advanced Excel skills and proficiency in Microsoft Word 

  • Experience developing process documentation, including narratives and flowcharts

 

Preferred Qualifications

  • CIA and/or CPA certification 

  • Big 4 or mid-tier public accounting firm experience 

  • Experience auditing in an Oracle environment 

  • Experience supporting operational, IT, or compliance audits beyond SOX 

  • Ability to travel internationally, as needed

 

Education

Bachelor’s degree in Accounting, Finance, Economics, or a related field required.


Compensation 

The anticipated salary range for this position is $90,000 - $100,000 plus benefits. Actual placement within the range is dependent on multiple factors, including but not limited to skills, education, and experience. This position also qualifies for up to 10% annual bonus based on Company, department, and individual performance. Masimo offers benefits such as Medical, Dental, Vision, Life/AD&D, Disability Insurance, 401(k), Vacation, Sick, Holiday, Paid Maternity Leave, Flexible Spending Accounts, voluntary Accident, Critical Illness, Hospital, Long-Term Care, Employee Assistance Program, Pet Insurance, on-site Wellness Clinic, Fitness Center, Café. All benefits are subject to eligibility requirements.


Language requirements

  • Ability to read, write, and communicate effectively in English.
  • Ability to interpret technical documents, schematics, and written instructions.
  • Ability to clearly document technical findings and communicate with cross-functional team members. 

Physical requirements/Work environment

This position primarily works in an office environment and requires frequent sitting, standing, and walking. Daily use of a computer and other digital devices is required. This role may require standing for extended periods when facilitating meetings or walking through facilities.

The physical demands of the position described herein are essential functions of the job and employees must be able to successfully perform these tasks for extended periods.  Reasonable accommodations may be made for those individuals with real or perceived disabilities to perform the essential functions of the job described.

Skills Required

  • Minimum 3 years of audit-related experience with strong emphasis on SOX compliance testing
  • Strong knowledge of US GAAP and the COSO framework
  • Experience evaluating financial and/or IT controls in a corporate or public accounting environment
  • Strong analytical, organizational, and problem-solving skills
  • Ability to work independently and collaboratively in a team environment
  • Strong written and verbal communication skills
  • Advanced Excel skills
  • Proficiency in Microsoft Word
  • Experience developing process documentation, including narratives and flowcharts
  • Bachelor's degree in Accounting, Finance, Economics, or a related field
  • Ability to read, write, and communicate effectively in English
  • CIA and/or CPA certification
  • Big 4 or mid-tier public accounting firm experience
  • Experience auditing in an Oracle environment
  • Experience supporting operational, IT, or compliance audits beyond SOX
  • Ability to travel internationally, as needed

Masimo Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Masimo and has not been reviewed or approved by Masimo.

  • Healthcare Strength Comprehensive medical, dental, and vision coverage is offered alongside company‑paid life insurance at 2x salary and long‑term disability coverage. The package reflects broad core health protection.
  • Leave & Time Off Breadth Policies include 15 days of paid vacation to start, up to 10 paid holidays, 40 hours of sick time, and defined paid parental leave components. This structure provides clear, multi‑category time‑off coverage.
  • Wellbeing & Lifestyle Benefits An EAP, corporate discounts, and onsite amenities such as a café, wellness center, and gym are available at certain locations. These perks enhance day‑to‑day support where onsite access exists.

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The Company
HQ: Irvine, California
3,639 Employees
Year Founded: 1989

What We Do

Masimo (NASDAQ: MASI) is a global medical technology company that develops and produces a wide array of industry-leading monitoring technologies, including innovative measurements, sensors, patient monitors, and automation and connectivity solutions. Our mission is to improve life, improve patient outcomes, reduce the cost of care, and take noninvasive monitoring to new sites and applications. Masimo SET® Measure-through Motion and Low Perfusion™ pulse oximetry, introduced in 1995, has been shown to outperform other pulse oximetry technologies in over 100 independent and objective studies, which can be found at www.masimo.com/evidence/featured-studies/feature. Masimo SET® is estimated to be used on more than 200 million patients around the world each year and is the primary pulse oximetry at all 10 top U.S. hospitals as ranked in the 2025 Newsweek World’s Best Hospitals listing. Additional information about Masimo and its products may be found at www.masimo.com.

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