Control Systems Engineer - WinCC | Warrington | £60,000 | UK Passport Required KO2's client, a specialist in advanced control systems and is seeking an experienced Control Systems Engineer with a deep understanding of WinCC, Siemens PLCs, and redundant server architecture. This is a full-time, permanent role based onsite in Warrington. Due to the nature of the work, candidates must hold a UK passport. The Role: The successful candidate will be involved in both the design and modification of complex control systems used in managing control systems that are used to control objects of high value. Key tasks include: Developing and modifying graphical interfaces for new and legacy systems using WinCC Pro Programming SCADA systems to interface with databases for read/write operations Working with redundant WinCC servers and multiple operator stations across a high-density tag environment Integration and control of systems using Siemens S7, TIA Portal, and STL programming Interfacing with Plant Bus and Graphical Bus environments Onsite testing, with final FAT carried out by the client before installation Approximately 12 weeks per year onsite for installations and testingTechnical Requirements: Strong expertise in WinCC Pro development and VB/C++ scripting Experience with high availability Siemens systems, particularly 1517HA and 1515R Comfortable working with redundant server systems, node configurations, and multiple screen environments Ability to interpret and modify existing models and system graphics Experience with SCADA-controlled databases for switching operations (ON/OFF logic)Preferred Experience: Located within a commutable distance of Warrington (e.g., St Helens, Wigan, Liverpool, Manchester) Strong background in control systems for critical infrastructure, especially aviation or transport sectorsSalary & Details: £60,000 Onsite role in Warrington UK passport required Full-time, permanent positionThis is a rare opportunity to work with cutting-edge, safety-critical systems in a highly specialised and rewarding field. If you are a Siemens control systems expert looking for your next challenge, KO2 would love to hear from you