A Day in Your Life at MKS: As an Inventory, Cost & Tax Specialist at MKS Instruments , you will partner with Finance, Operations, Supply Chain, Procurement, Warehouse, and Manufacturing teams to support inventory management, cost accounting, and tax compliance activities while ensuring accurate financial reporting and regulatory compliance. In this role, you will report to the Principal Accountant .

You Will Make an Impact By:

Managing inventory accounting activities, including reconciliations, inventory valuation, cycle count reviews, and variance analysis.

Supporting monthly, quarterly, and annual financial close processes related to inventory, cost accounting, and tax accounts.

Analyzing standard versus vigente costs and investigating cost variances to improve operational and financial performance.

Preparing tax calculations, supporting schedules, tax reconciliations, and documentation required for compliance with federal, state, and local tax regulations.

Collaborating with Operations, Supply Chain, and Manufacturing teams to ensure inventory accuracy and compliance with established internal controls.

Supporting internal and external audits by providing financial analysis, documentation, and process explanations related to inventory, costs, and taxes.

Identifying opportunities to improve processes, strengthen controls, and increase efficiency within inventory, cost accounting, and tax-related activities.

Maintaining compliance with company policies, accounting standards, and applicable tax regulations.

Travel Requirements
Up to 5% travel may be required.

Skills You Bring
Education




Bachelor's Degree in Accounting, Finance, Business Administration, Economics, or a related field.

Experience
Minimum 2 years of job-related experience in accounting, inventory management, cost accounting, taxation, or financial analysis.

Required Experience & Technical Skills

Strong knowledge of inventory accounting, inventory valuation methodologies, and inventory control processes.

Experience with standard costing, cost variance analysis, and financial reporting.

Knowledge of tax compliance requirements, including VAT (IVA), Income Tax (ISR), withholding taxes, and related reporting obligations.

Advanced proficiency in Microsoft Excel, including Pivot Tables, Power Query, lookups, and financial data analysis.

Experience working with ERP systems such as SAP,

Strong analytical, problem-solving, and organizational skills.

Ability to work independently while managing multiple priorities and meeting deadlines.

Excellent verbal and written communication skills in a cross-functional environment.

Advanced English proficiency (written and verbal).

Preferred Skills

Experience in a manufacturing, technology, semiconductor, chemical, or industrial environment.

Knowledge of IFRS,



US GAAP, and SOX compliance requirements.

Experience with Power BI, Tableau, or other business intelligence and reporting tools.

Exposure to multinational corporate environments.

Experience supporting tax audits and statutory compliance reviews.

Continuous improvement or Lean process improvement experience.

Reporting Relationships

Reports directly to the Principal Accountant.

Financial Responsibilities

Responsible for maintaining the integrity of inventory balances, cost accounting transactions, tax-related accounts, and associated financial reporting.

Supports inventory valuation reviews, cost analyses, and tax compliance activities impacting financial statements.

Physical Demands and Working Conditions
Physical Demands

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.

Ability to observe documents, spreadsheets, and reports at close range.

Working Conditions

Operates in a professional office environment.

Constantly operates a computer and other office productivity equipment.

Frequently works with financial systems, ERP platforms, and data analysis tools.

Noise level in the work environment is typically moderate.

May occasionally support physical inventory counts in warehouse or manufacturing environments.

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📌 Inventory, Cost & Tax Specialist Temporary (Santiago Mexquititlán Barrio 1ro.)
🏢 MKS
📍 Santiago Mexquititlán Barrio 1ro.