Senior Internal Auditor - Andover, MA, United States
MKS Instruments
Remote friendly (Andover, MA, United States)
19 days ago
Non-Engineering
$88,425 - $147,375 USD yearly
Originally posted 16 September 2026 by the employer — open 1 day.
About the role
This role supports the company’s annual Sarbanes-Oxley (SOX) assessment and efforts to continuously improve the internal control environment.
What you'll do
- Execute assigned areas of the annual SOX assessment, including risk assessment, scoping, control-design assessment, operating-effectiveness testing, issue evaluation, and remediation follow-up.
- Independently plan and execute audit procedures for assigned business processes in accordance with Internal Audit methodology and professional standards.
- Prepare clear, accurate, and concise audit documentation, including test workpapers, walkthrough narratives, and process flowcharts.
- Test relevant business-process controls, application controls, key reports, and other control evidence based on defined audit objectives and test attributes.
- Identify process and control gaps and develop practical, value-added recommendations to mitigate risk and improve control effectiveness and process efficiency.
- Communicate audit progress, observations, recommendations, and agreed corrective actions clearly to process owners and management.
- Monitor corrective action plans and validate remediation of identified deficiencies.
- Collaborate with business and functional stakeholders, team members, and external auditors throughout the SOX assessment.
- Contribute to continuous improvement of audit methodology and execution through data analytics, automation, Optro utilization, and process improvements.
- Participate in other Internal Audit engagements, including operational, site, process, or IT audits, as needed.
What you'll need
- Bachelor's degree or above in Accounting, Finance, or related field.
- 4+ years of relevant experience in internal audit, external audit, SOX compliance, or internal controls.
- Strong knowledge of SOX 404 requirements, risk assessment, business-process controls, audit documentation, and control deficiency evaluation.
- Strong analytical, critical-thinking, project-management, and organizational skills, with attention to detail.
- Ability to independently manage multiple assignments, exercise sound judgment, meet deadlines, and escalate issues appropriately.
- Collaborative mindset and demonstrated ability to collaborate effectively within a global, cross-functional team and build productive working relationships.
- Strong written, verbal, interpersonal, and presentation skills, with the ability to communicate technical control matters clearly.
- Ability to travel occasionally to MKS locations globally.
Nice to have
- Professional certification, such as CPA or CIA.
- Big Four, public-company, multinational-company, or manufacturing-industry experience.
- Experience with ERP systems such as Oracle or SAP.
MKS Instruments
Andover, MA, United States
Hybrid
$88,425 - $147,375 USD yearly
19 days ago