Principal Control Systems Engineer

Job Description

Are you an experienced engineer ready to lead the development of complex control systems within a secure and highly regulated defence environment? Our client, a key player in the UK defence sector, is seeking a Principal Control Systems Engineer with extensive Siemens PLC and SCADA expertise to join their specialist team.

Key Responsibilities :

• Capture, interpret, and develop complex customer requirements.
• Lead the design and testing of Siemens-based PLC control systems (S7-300 / 400).
• Develop software using block diagrams, flow charts, or pseudo-code.
• Produce and review high-quality technical documentation.
• Manage SCADA / PLC interfacing and industrial communications (e.g., Profibus, Profinet, ModBus, TCP / IP).
• Support system integration and commissioning activities.
• Provide technical leadership to junior engineers and project teams.
• Contribute to project planning, risk management, and customer liaison.
• Assist with proposal development and contract changes.

Ideal Candidate Profile :

Experience with fault-tolerant and safety-integrated con...