Senior Manufacturing Systems EngineerLocation: South Oxfordshire (Fully Onsite) Salary: £50,000 - £70,000 + Excellent BenefitsOur client is seeking a Senior Manufacturing Systems Engineer to take a leading role in deploying and evolving a cutting-edge Manufacturing Execution System (MES) across global factory sites. This is a permanent, fully onsite position based in South Oxfordshire, with occasional international travel (-20%).The successful candidate will play a key role in integrating shopfloor automation systems with enterprise platforms, driving data accuracy, operational efficiency, and smart factory innovation.Key Responsibilities: Lead MES integration across production lines and data platforms Design and implement PLC/Scada communications and automation networks Troubleshoot MES and machine data issues globally Leverage MES data for performance insights and predictive maintenance Collaborate with developers, engineers, and factory teams worldwide Ideal Candidate: 5+ years'' experience in automation, MES/SCADA, and industrial control Skilled in PLC programming (Siemens, Beckhoff, Allen Bradley) Strong grasp of OPC UA, Profinet, and industrial data protocols Proficient with Power BI, SQL, Python for data analytics Passionate about Industry 4.0, digital transformation, and continuous improvement Benefits Include: Core hours with flexible working potential (up to 24 flexi-days for some roles) 25 days'' holiday + discretionary bonus (up to 15%) Private medical cover, l