Senior PLC Software Engineer – Cranleigh, Surrey (Hybrid) – Permanent, Full-time – Salary: £ Competitive + Benefits: Bonus scheme, Private healthcare, Share Options, Pension contribution, 25 days holiday + bank holidays, Flexible hours, Life assurance

What you’ll be doing

• Designing and developing PLC software for ammonia cracking systems
• Programming PLCs (Siemens S7 / TIA Portal preferred, others considered)
• Working within an existing system architecture, with increasing input over time
• Defining and improving software development processes and standards
• Producing structured, maintainable code (IEC 61131-3)
• Supporting software verification and validation (including simulation where applicable)
• Integrating PLC systems with wider control architecture (HMI, SCADA, instrumentation)
• Supporting and leading commissioning activities, fault finding and debugging on live systems
• Working clos...