Senior Internal Auditor

Thermo Fisher Scientific
Waltham, MA

Work Schedule

Standard (Mon-Fri)

Environmental Conditions

Office

We have a fantastic opportunity for an experienced Senior Auditor to join our Internal Audit team housed at our headquarters in Waltham, MA!

Duties & Responsibilities

The individual will conduct internal financial audits / internal control reviews including testing financial records and report discrepancies. They will develop formal written reports to communicate audit results to management and makes recommendations as appropriate. They will facilitate work of external auditors during on-site visits and require audit knowledge and skills in finance/accounting. Will complete audit work as assigned in a timely manner, including planning/preparation, documentation, summarizing findings/writing reports; and engagement in ad-hoc assignments/investigations as applicable.

Key Responsibilities:

  • Perform audits resulting in assurances that our internal controls and processes meet required standards,
  • Assist with the development of risk assessments and audit plans,
  • Work closely with management teams in developing audit findings, and recommendations,
  • Participate in annual Sarbanes-Oxley assertion and attestation process,
  • Collaborate with teammates regarding observations noted during audit engagements, including development and follow-up of action plan implementation,
  • Monitor remediation efforts of audit observations and deficiencies identified by internal and external audit with process owners to ensure mitigating activities are progressing as planned,
  • Assist in establishing common processes, policies, and procedures as necessary,
  • Provide support for internal investigations.

Requirements/Qualifications:

  • 5+ years audit/industry accounting experience
  • CPA and Public Accounting experience preferred
  • Bachelor’s degree in accounting or finance required

Proven Knowledge and Experience:

  • Sarbanes-Oxley audit/financial experience,
  • Understanding of key accounting policies / procedures including Generally Accepted Accounting (GAAP), Generally Accepted Auditing Standards (GAAS) and Sarbanes-Oxley (SOX),
  • Validated understanding of auditing, technical accounting matters and internal controls,
  • Strong analytical skills,
  • Auditing public companies and understanding related requirements,

Other Skills Required:

  • Self-motivated and ability to work independently,
  • Effective interpersonal skills,
  • Strong team building skills working with a diverse group of partners,
  • Attention to detail to ensure completeness and accuracy of work within established timelines,
  • Capacity to work in a fast-paced environment.
  • Capability to develop credibility and forge positive professional relationships with subordinates, peers, and management are prerequisites to success in this role.
  • Approximately 5-10% travel required.

Compensation and Benefits

The salary range estimated for this position based in Massachusetts is $92,900.00–$110,000.00.

This position may also be eligible to receive a variable annual bonus based on company, team, and/or individual performance results in accordance with company policy. We offer a comprehensive Total Rewards package that our U.S. colleagues and their families can count on, which includes:

  • A choice of national medical and dental plans, and a national vision plan, including health incentive programs

  • Employee assistance and family support programs, including commuter benefits and tuition reimbursement

  • At least 120 hours paid time off (PTO), 10 paid holidays annually, paid parental leave (3 weeks for bonding and 8 weeks for caregiver leave), accident and life insurance, and short- and long-term disability in accordance with company policy

  • Retirement and savings programs, such as our competitive 401(k) U.S. retirement savings plan

  • Employees’ Stock Purchase Plan (ESPP) offers eligible colleagues the opportunity to purchase company stock at a discount

For more information on our benefits, please visit:

Posted 2026-02-16

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