Senior Internal Auditor

MKS Inc.; Andover (MA); Hybrid; USD 88,000 - 147,000; Full time

Benefits offered by this job

Health insurance

401(k) with company match

Parental leave (6 weeks)

Tuition reimbursement

Job summary

MKS Inc. is seeking a Sr. Internal Auditor to support the annual SOX assessment and continuously improve the internal control environment. The role will independently manage audit activities and coordinate with business leaders, Internal Audit teammates, and external auditors to communicate findings and drive remediation.

You will contribute to improving audit methodology and efficiency, including data analytics and automation, while traveling occasionally to MKS locations globally as needed.

Qualifications

• Bachelor's degree or above in Accounting, Finance, or related field.
• 4+ years of relevant experience in internal audit, SOX compliance, or internal controls.
• Experience with ERP systems such as Oracle or SAP is preferred.

Responsibilities

• 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.
• Prepare clear, accurate audit documentation (test workpapers, walkthrough narratives, flowcharts).
• Test relevant controls, key reports, and control evidence based on defined objectives.
• Identify gaps and develop practical recommendations to mitigate risk and improve controls.
• Communicate audit progress, observations, and corrective actions to process owners and management.
• Monitor corrective action plans and validate remediation of deficiencies.
• Collaborate with stakeholders, Internal Audit colleagues, and external auditors.

Skills

Accounting

Finance

SOX compliance

Auditing

Education

Bachelor's degree or above in Accounting/Finance

Tools

Oracle/SAP

Job description

A Day in Your Life at MKS:

As a Sr. Internal Auditor at MKS Inc., you will support the company’s annual Sarbanes‑Oxley (SOX) assessment and broader efforts to continuously improve the internal control environment. The Sr. Internal Auditor will independently manage assigned audit activities and collaborate with business and functional stakeholders, Internal Audit colleagues, and external auditors. The position will communicate audit results and control matters to process owners and management.

A Day in Your Life at MKS:

As a Sr. Internal Auditor at MKS Inc., you will support the company’s annual Sarbanes‑Oxley (SOX) assessment and broader efforts to continuously improve the internal control environment. The Sr. Internal Auditor will independently manage assigned audit activities and collaborate with business and functional stakeholders, Internal Audit colleagues, and external auditors. The position will communicate audit results and control matters to process owners and management.

You Will Make an Impact By:

• Executing assigned areas of the annual SOX assessment, including risk assessment, scoping, control-design assessment, operating-effectiveness testing, issue evaluation, and remediation follow-up.
• Independently planning and executing audit procedures for assigned business processes while ensuring work is completed in accordance with Internal Audit methodology and professional standards.
• Preparing clear, accurate, and concise audit documentation, including test workpapers, walkthrough narratives, and process flowcharts.
• Testing relevant business-process controls, application controls, key reports, and other control evidence based on defined audit objectives and test attributes.
• Identifying process and control gaps and develop practical, value-added recommendations to mitigate risk and improve control effectiveness and process efficiency.
• Communicating audit progress, observations, recommendations, and agreed corrective actions clearly to process owners and management.
• Monitoring corrective action plans and validate remediation of identified deficiencies, as appropriate.
• Collaborating with business and functional stakeholders, team members, and external auditors throughout the SOX assessment to support timely execution and effective coordination.
• Contributing to continuous improvement of audit methodology and execution through data analytics, automation, Optro utilization, process improvements, team knowledge sharing, and awareness of evolving SOX requirements and auditing standards.
• Participating in other Internal Audit engagements, as needed, including operational, site, process, or IT audits, to support the broader Internal Audit plan and organizational priorities.
• Travel Requirements: Ability to travel occasionally to MKS locations globally

Skills You Bring:

• Bachelor's degree or above in Accounting, Finance, or related field. Professional certification, such as CPA or CIA, is preferred.
• 4+ years of relevant experience in internal audit, external audit, SOX compliance, or internal controls. Big Four, public-company, multinational-company, or manufacturing-industry experience is preferred.
• Experience with ERP systems such as Oracle or SAP is preferred.
• 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 elevate issues appropriately.
• Collaborative mindset and demonstrated ability to collaborate effectively within a global, cross-functional team and build productive working relationships with process owners and management.
• Strong written, verbal, interpersonal, and presentation skills, with the ability to communicate technical control matters clearly to both technical and non-technical audiences and translate audit observations into practical recommendations.
• Ability to travel occasionally to MKS locations globally.

Physical Demands and Working Conditions:

• Perform activities such as sitting, standing, or typing for extended periods of time
• Regularly requires good manual dexterity and coordination
• Must be able to communicate information and ideas so others will understand
• Must be able to exchange accurate information
• The ability to observe documents and details at close range (within a few feet of the observer)
• Operates in a professional office environment
• Constantly operates a computer and other office productivity machinery
• Noise level in the work environment is usually average

This position is Hybrid and required in the office Tuesday-Thursday.

Compensation and Benefits:

Salary Pay Range: $88,425 to $147,375 per year. This range is a good faith estimate of the expected salary range for this position, based on a wide range of factors including qualifications, experience and training, operational and business needs and other considerations permitted by law. At MKS, it is not typical for an individual to be hired at or near the top of the range for the role.

Bonus: This position is eligible for a discretionary annual bonus, in an amount to be determined by MKS [or as applicable].

Benefits: MKS offers a comprehensive benefits package, including health insurance coverage (medical, dental and vision), 401(k) with company match, life and disability insurance, 12 paid holidays, sick time, 15 paid vacation days, [6 weeks fully paid] parental leave, adoption assistance and tuition reimbursement [and for participation in any stock programs, signing bonus, etc.].

MKS is an equal opportunity employer, including disability, veteran status and all categories protected by law. Please review our EOE statements for additional details.