POSITION PURPOSE
Execute and support the end-to-end weekly payroll process, ensuring accurate and timely employee payments, proper administration of payroll incidents and employee movements, compliance with labor, tax, and social security regulations, and the integrity of payroll information through effective controls, continuous improvement, and internal customer service.
PRINCIPAL ACCOUNTABILITIES
• Execute the full weekly payroll process, ensuring accuracy and compliance with established deadlines.
• Review, validate, and process attendance records, absences, disabilities, overtime, vacations, permits, bonuses, earnings, and deductions.
• Maintain payroll information accurately within the TRESS system.
• Calculate payroll adjustments, retroactive payments, deductions, terminations, and settlements.
• Process employee movements including hires, terminations, salary changes, and transfers.
• Support payroll tax calculations, IMSS contributions, INFONAVIT deductions, and FONACOT obligations.
• Prepare payroll reports, reconciliations, and supporting documentation for Finance and Accounting.
• Support labor cost reporting, accruals, and month-end closing activities.
• Prepare and validate information required for the annual IMSS Risk Premium calculation.
• Investigate and resolve payroll discrepancies and payment issues.
• Provide support and guidance to employees regarding payroll-related questions and concerns.
• Prepare documentation for internal and external audits and government requirements.
• Maintain payroll records and employee data confidentiality.
• Participate in process improvements, automation initiatives, and payroll system enhancements.
NATURE AND SCOPE
This position is responsible for supporting the accurate and timely execution of payroll processes while ensuring compliance with labor, tax, and social security regulations. The role works closely with Human Resources, Finance, Accounting, supervisors, and employees to process payroll transactions, resolve inquiries, maintain data integrity, and support reporting, audits, and continuous improvement initiatives.
KNOWLEDGE & SKILLS
• Experience processing weekly payroll.
• Knowledge of payroll systems, preferably TRESS.
• Intermediate Excel skills.
• Understanding of Mexican Labor Law.
• Knowledge of IMSS, INFONAVIT, FONACOT, SUA, IDSE, and Virtual IMSS Desktop.
• Knowledge of payroll CFDI requirements.
• Experience with payroll adjustments, terminations, and settlements.
• Understanding of payroll taxes and social security obligations.
• Experience managing attendance, overtime, absences, and employee payroll incidents.
• Knowledge of payroll reporting, reconciliations, and internal controls.
• Basic understanding of accounting and finance principles.
• Strong attention to detail and analytical skills.
• Customer service orientation and ability to resolve employee inquiries.
• Strong communication and organizational skills.
• Ability to handle confidential information with discretion.
LOCATION:
This role is 100% onsite M-F, at our Ciénega de Flores facility.
Skills Required
- Experience processing weekly payroll
- Knowledge of payroll systems
- Experience with TRESS payroll system
- Intermediate Microsoft Excel skills
- Understanding of Mexican Labor Law
- Knowledge of IMSS, INFONAVIT, FONACOT, SUA, IDSE, and Virtual IMSS Desktop
- Knowledge of payroll CFDI requirements
- Experience with payroll adjustments, terminations, and settlements
- Understanding of payroll taxes and social security obligations
- Experience managing attendance, overtime, absences, and employee payroll incidents
- Knowledge of payroll reporting, reconciliations, and internal controls
- Basic understanding of accounting and finance principles
- Strong attention to detail and analytical skills
- Customer service orientation and ability to resolve employee inquiries
- Strong communication and organizational skills
- Ability to handle confidential information with discretion
Baltimore Aircoil Company Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Baltimore Aircoil Company and has not been reviewed or approved by Baltimore Aircoil Company.
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Retirement Support — Retirement programs include a 401(k) with employer match plus participation in an ESOP through the parent company, enhancing long‑term wealth building. Together, these ownership and savings elements stand out as a strong component of total compensation.
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Healthcare Strength — Core healthcare offerings span medical, dental, and vision with access to HSA/FSA options and telehealth. This breadth provides a solid baseline of coverage across common needs.
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Fair & Transparent Compensation — Compensation is positioned as competitive for the local market in many roles, with shop‑floor pay ranges consistent with that framing. Tuition reimbursement and related perks further strengthen the overall value beyond base pay.
Baltimore Aircoil Company Insights
What We Do
At BAC, we don’t just build cooling systems, we shape the future of sustainable solutions. With over 85 years of innovation, we lead the HVAC, industrial, and refrigeration industries in delivering evaporative, hybrid, and dry cooling technologies that power the world’s most demanding environments. Global Reach | Sustainable Stewardship | Relentless innovation From data centers to manufacturing plants, our solutions help customers reduce energy use, improve efficiency, and protect the planet. Every day, our 3,000+ employees from our 500+ sales offices and 10 factories globally work side-by-side with partners to deliver smarter, safer, and more sustainable cooling. We’re proud to be part of Amsted Industries, an employee-owned company that thrives on teamwork, integrity, and enterprise. At BAC, we’re inspired by nature and powered by our people. Founded in 1938, BAC (Baltimore Aircoil Company) is a global leader in sustainable cooling solutions. Our mission is simple yet powerful: to continually advance truly sustainable cooling, inspired by nature and powered by our people, for a world that depends on it to grow, succeed, and thrive. We serve a wide range of industries, from commercial HVAC and industrial processing to mission-critical data centers, delivering high-performance solutions that balance human and planetary health. Our Values: -- Courage -- Innovation -- Responsibility -- Trust Why Work at BAC? BAC is more than a workplace, it’s a community. We empower our employees to lead, innovate, and grow. Our culture thrives on collaboration, inclusion, and a shared commitment to sustainability. Whether you're in engineering, marketing, operations, or customer service, your work at BAC makes a global impact. At BAC, You Can: -- GROW -- MAKE AN IMPACT -- FEEL VALUED -- BELONG We are: -- Employee-owned through Amsted Industries (US only) -- Globally present with local expertise -- Leaders in sustainability and innovation








