Senior Internal Auditor

Job Category: Finance and Business
Job Type: Full Time
Job Location: USA
Company Name: County of San Mateo

Company Overview

The County of San Mateo is dedicated to ensuring the health and well-being of all residents within its jurisdiction while also serving as the local government for unincorporated areas. The county operates under the leadership of a five-member Board of Supervisors, elected by voters, along with six additional elected officials: the Assessor-County Clerk-Recorder/Chief Elections Officer, District Attorney, Controller, Coroner, Sheriff, and Treasurer-Tax Collector.

About the Job

The Controller’s Office of San Mateo County is seeking experienced professionals in internal auditing, risk assessment, and business process analysis for the Senior Internal Auditor role.

About the Controller’s Office

The Controller’s Office is committed to enhancing the County’s operational efficiency while ensuring financial transparency and integrity through high-quality accounting, audit, and financial reporting services.

About the Internal Audit Division

The Internal Audit Division safeguards County assets and mitigates risks by conducting independent operational and internal control audits. These audits assist County management in enhancing operations and minimizing risks related to programs, functions, and information systems. All audits adhere to Institute of Internal Auditors (IIA) guidelines.


Ideal Candidate Qualifications

  • Education:

    • A bachelor’s or advanced degree in accounting, finance, business administration, or a related field from an accredited institution.
    • Certified Public Accountant (CPA), Certified Information Systems Auditor (CISA), or Certified Internal Auditor (CIA) certification is highly desirable.
  • Experience:

    • At least four years of progressive experience conducting complex audits, compliance reviews, and internal control assessments following professional auditing standards.
    • At least one year of experience as a supervisor or project leader.
    • Strong background in applying auditing and accounting principles to business process analysis.
    • Experience conducting IT system audits and evaluating related processes.
  • Skills & Abilities:

    • Ability to work independently and manage multiple projects with minimal supervision.
    • Strong written and verbal communication skills.
    • Excellent research and analytical abilities.
    • Proficiency in Microsoft Office applications, data analysis tools, and auditing software such as TeamMate.
    • Capability to interact with staff, management, and the public professionally and confidently.

Key Responsibilities

  • Conduct independent, comprehensive audits across County departments.
  • Perform risk assessments of operations, business procedures, and internal controls.
  • Identify process inefficiencies and recommend internal control improvements.
  • Analyze business operations, review internal controls, and develop recommendations to enhance efficiency and minimize risks.
  • Ensure audit findings are well-documented and supported by evidence.
  • Develop and implement audit programs and testing procedures.
  • Maintain effective communication with audit teams and County departments.
  • Build strong professional relationships with auditees and stakeholders.

Minimum Qualifications

  • Education:

    • A bachelor’s degree in accounting, finance, business administration, economics, or a related field.
    • Completion of at least 12 semester units of college-level accounting coursework.
  • Experience:

    • At least one year of journey-level internal auditing experience.

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