Senior Business Analyst

OEG is a leading energy solutions business, providing mission critical infrastructure assets and services to the global offshore energy industry. Through our specialist divisions - topside, marine, subsea, cables, logistics and industrials, we are a pivotal link in the global offshore energy project chain, ensuring our customers' projects are delivered safely, reliably and efficiently. We are currently seeking a Senior Business Analyst to join our Topside/Subsea Divisions.

• Aberdeen/Liverpool, United Kingdom or Den Helder, The Netherlands.

• Act as the key link between the Subsea or Topside business, Finance leadership, application owners and BI/Data teams.
• Translate operational, commercial and financial needs into clear data, application, warehouse and reporting requirements; own divisional data mapping and architecture documentation; and support consistent, trusted management information and scalable Group reporting.

• Work with divisional process owners and key stakeholders to map and understand end-to-end operational, commercial, project and financial processes, highlighting regional or legacy variations, manual workarounds and opportunities for standardisation.

• Own the divisional application and data architecture view, maintaining application inventories, dataflow and system-interaction maps, interfaces, systems of record, data lineage, dependencies and key data ownership across entities.

• Gather, challenge and document business, data and reporting requirements, business rules and acceptance criteria; assess the downstream data and reporting impact of application implementations, migrations, integrations and configuration changes.

• Act as the divisional business/data lead for onboarding priority applications and datasets to the Group warehouse, defining source scope, grain, history, refresh frequency, common identifiers, source-to-target mappings and transformation requirements.

• Support consistent definitions, hierarchies and controls for customers, projects, contracts, entities, service lines, assets/equipment, personnel and statuses, working with Data Owners, Stewards and BI to maintain agreed standards.

• Gather and rationalise reporting needs; define KPI calculations, dimensions, frequency, ownership and drill-down requirements; and support the design, validation and adoption of Power BI dashboards and management reporting.

• Profile and validate critical data, define validation and exception rules, investigate root causes and reconcile outputs from source applications through the warehouse to published reports and management information.

• Coordinate business testing, UAT, defect resolution and sign-off; ensure application and process changes are assessed for data, integration, warehouse and reporting impacts before implementation.

• Support forecasting, planning and performance reviews by translating complex operational, commercial and financial information into clear analysis and actionable insight for divisional and senior leadership.

• Build strong relationships across Finance, Operations, Commercial, Applications, IT and BI/Data teams; communicate technical concepts in practical business language and support documentation, training, adoption and continuous improvement.

• Proven Senior Business Analyst, Business Systems Analyst or Data Business Analyst experience in a complex, multi-entity or project-based organisation.
• Offshore energy, engineering,…