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. Supervisory Scope & Reporting Relationships 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 & 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. Equal Opportunity Statement MKS Inc. and its affiliates and subsidiaries ("MKS")



is an affirmative action and equal opportunity employer: diverse candidates are encouraged to apply. We win as a team and are committed to recruiting and hiring qualified applicants regardless of race, color, national origin, sex (including pregnancy and pregnancy-related conditions), religion, age, ancestry, physical or mental disability or handicap, marital status, membership in the uniformed services, veteran status, sexual orientation, gender identity or expression, genetic information, or any other category protected by applicable law. Hiring decisions are based on merit, qualifications and business needs. We conduct background checks and drug screens, in accordance with applicable law and company policies. MKS is generally only hiring candidates who reside in states where we are registered to do business. MKS is committed to working with and providing reasonable accommodations to qualified individuals with disabilities. If you need a reasonable accommodation during the application or interview process due to a disability, please contact us at: accommodationsat MKS@. Company Culture At MKS, it's all about courage, big ideas, and a serious passion for innovation. Winning here is about exploring possibilities, taking action, and solving our customers’ toughest challenges. It's not just a job - it's what you make of it. While you shape your role and make it unique, we invest in you with on-the-job and formal training, as well as educational assistance. Curiosity is key at MKS - ask questions, own your path. Our success comes from celebrating the unique skills, diverse perspectives, and lived experience of employees from over 100 countries. The goal is to make sure that everyone feels that they belong. Diversity isn't just a nice-to-have; making sure everyone feels included is a big deal for us. Our group of ~10,000 employees serves semiconductor manufacturing, electronics and packaging, and specialty industrial markets. With over 3,800 patents, our products are enabling advancements in 5 G, renewable energy & storage, artificial intelligence, cloud technology, and big data. We're the behind-the-scenes support for some amazing technology. MKS Inc enables technologies that transform our world. MKS Instruments Product Overview MKS Instruments Product Overview #J-18808-Ljbffr

📌 Inventory, cost & tax specialist temporary (Ejido Querétaro)
🏢 MKS Instruments
📍 Ejido Querétaro