Western Cape: Mass Balance Engineer posted by Network Finance

Reporting to the Lead: Advanced Control, the Mass Balance Engineer is responsible for generating and maintaining an accurate refinery mass balance on a daily and monthly basis. You’ll reconcile process and movement data, ensure model accuracy, and support inventory accounting during month-end cycles.
This position sits at the intersection of engineering, operations, and finance, providing critical data that underpins both operational performance and financial reporting.

Key Responsibilities:

Refinery Daily Mass Balance

• Compile and reconcile the daily refinery mass balance in line with internal standards and procedures.
• Validate oil transfers and movements using PI Process Book and Intelligent Movement Management (IMM).
• Execute daily SigmaFine models and reconcile discrepancies.
• Maintain weekly reconciliation reports and ensure alignment with process engineering balances.
• Monitor and achieve model accuracy targets (≤5% model error).

Month-End Stock Accounting

• Support Finance and Scheduling teams with bulk stock closure and reconciliation.
• Conduct sampling activities (e.g., Karl Fisher tests).
• Run monthly SigmaFine cases to extract closing inventories, densities, and temperatures.
• Publish validated data to PI and SAP HANA via SQL tools.
• Investigate and resolve discrepancies between technical and financial inventory records.

Technical & Cross-Functional Support

• Collaborate with Process Engineering, Operations, Schedulers, and Finance to maintain data integrity.
• Support instrumentation and maintenance teams to ensure meter accuracy.
• Drive continuous improvement in data quality, model performance, and reporting standards.

Technical Projects

• Lead and contribute to projects that enhance refinery mass balance and data systems.

Job Experience & Skills Required (Ideal Candidate Profile):

• BTech or BSc Engineering – preferably in Chemical Engineering or Control & Instrumentation.
• 5+ years’ experience in refinery, process, or instrumentation engineering.

Skills & Knowledge

• Solid understanding of refinery mass balance principles and engineering fundamentals.
• Strong analytical and problem-solving skills with proficiency in Excel and SQL.
• Experience with PI (OSIsoft), SigmaFine, and IMM highly advantageous.
• Familiarity with inventory accounting and meter reconciliation.
• Excellent communication and collaboration across technical and commercial teams.
• High attention to detail and data integrity.
• Willingness to work extended hours during month-end or stock closure cycles.

If you are interested in this opportunity, please apply directly.
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