Senior Hr Application Specialist

We are seeking an experienced Senior HR Application Specialist to provide technical and functional leadership across SAP SuccessFactors Employee Central Payroll (ECP), SAP HCM and related HR technology platforms. The role will focus on ensuring stability, integrity and continuous improvement of payroll systems and integrations while supporting HR transformation and system implementation initiatives. Key Responsibilities Provide functional support for SAP SuccessFactors Employee Central Payroll. Support payroll processing, off-cycle payments, payroll posting and validation. Manage payroll-related banking interfaces and financial integrations. Translate business requirements into system solutions and process improvements. Investigate and resolve production issues, system defects and data discrepancies. Support configuration changes, upgrades, enhancements and release activities. Manage integrations involving SAP SuccessFactors, SAP S/4HANA, banking platforms and external systems. Monitor replication and interface issues between SuccessFactors and S/4HANA. Coordinate system integration testing, UAT and regression testing. Validate payroll outputs, banking interfaces and financial postings. Support HR transformation and S/4HANA implementation initiatives. Coordinate HR cutover planning and system readiness. Work closely with HR, Payroll, Finance, Treasury, IT and implementation partners. Requirements Bachelor’s degree in Human Resources, Business Administration, Information Technology or related discipline. Minimum 10+ years’ relevant experience. Strong SAP HCM and SAP SuccessFactors Payroll experience. Strong Employee Central Payroll / ECP knowledge. Experience with SAP S/4HANA. Payroll integrations and banking interface experience. HR technology implementation experience. Proven end-to-end implementation and support project experience. Strong analytical, problem-solving and stakeholder-management skills. People are our business worldwide Orion Group was founded in 1987 and is now one of the largest, independent, international recruitment companies. We have a network of 200 employees working from 24 offices, delivering a range of services – Talent Acquisition, Recruitment Outsourcing Services, Retained Search, Global Workforce Solutions, Completions & Commissioning and Materials Management – across 68 countries. As a global leader in workforce solutions, we recruit personnel across the Engineering & Technical, Office & Commercial, Scientific and Skilled Trades disciplines, for sectors including Oil & Gas, Life Science, Power & Utilities, Constructions & Infrastructure, Manufacturing and Renewables.