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Mentor Technical Group (MTG) provides a comprehensive portfolio of technical support and solutions for the FDA-regulated industry. As a world leader in life science engineering and technical solutions, MTG has the knowledge and experience to ensure compliance with pharmaceutical, biotechnology, and medical device safety and efficacy guidelines. With offices in Caguas, PR, Boston, MA & San Francisco, CA and we serve life sciences clients in six global markets: United States, Puerto Rico, Dominican Republic, Mexico, Germany, Canada, and South America.

Responsibilities:

• Review contractor contracts/terms & conditions to confirm requirements relevant to invoicing (rates, retainage,

milestones, documentation, taxes).

• Verify supplier master data (vendor IDs, tax status, banking, contacts) are valid for invoice processing; request

updates as needed.

• Generate purchase requisitions in Ariba in accordance with project budgets, WBS/GL coding, and sourcing

guidelines.

• Receive and log invoices; validate required supporting documentation (PO, SOW, timesheets, delivery/GRN,

progress certifications).

• Perform checks (WBS/Cost Center/GL/Tax), price/quantity verification, and basic 2‑/3‑way match steps in SAP;

flag discrepancies/holds.

• Route invoices to designated approvers; track approval status and follow up/escalate to maintain SLA

compliance.

• Act as point of contact for project teams on invoice approval tracking and status inquiries.

• Communicate with vendors to resolve conflicts (pricing mismatches, missing docs, tax, duplicate submissions,

retention, credits) and update invoice status.

• Coordinate credit memos and re‑submissions when required.

• Maintain an auditable trail of approvals and changes.

• Plan and manage high invoicing workloads, smoothing peaks, and prioritizing by due date, contractual terms,

and cash‑flow impact.

• Monitor approval timelines and drive corrective actions.

• Reconcile POs (balances, changes, retainage), confirm all invoices posted and paid, clear GR/IR, and archive

documentation per policy.

Qualifications Requirements/Knowledge/Education/Skills:

+ BBA, major in finance or counting.

+ 5 years working as Cost Accountant in a manufacturing environment.

+ Experience developing standard cost estimates.

+ Experience working with budget, actuals, variances explanations.

+ Experience working with SAP, MS Office applications.

Mentor Technical Group es un empleador que ofrece igualdad de oportunidades y todos los solicitantes calificados recibirán consideración para el empleo sin importar raza, color, religión, sexo, orientación sexual, identidad de género, información genética, origen nacional, estado de veterano protegido, estado de discapacidad o cualquier otro grupo protegido por ley.

Mentor Technical Group is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, genetic information, national origin, protected veteran status, disability status, or any other characteristic protected by law.

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