Searchability NS&D
Searchability NS&D
Control Systems Software Engineer (PLC / SCADA)
Location: London (Hybrid)Clearance: SC Cleared To apply, email: or call
Overview
An opportunity for an experienced Control Systems Software Engineer to work on mission-critical naval platform management systems within a highly regulated defence environment. The role covers full lifecycle development and in-service support of safety-critical PLC and SCADA/HCI solutions supporting the UK submarine fleet.
Key Responsibilities
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Produce functional and design specifications for control system software
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Design, develop, and maintain high-quality, maintainable code
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Capture, interpret, and refine customer and system requirements
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Develop and implement PLC and SCADA/HCI applications
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Integrate data communications with third-party equipment
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Produce technical documentation to internal and customer standards
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Support and conduct Factory Acceptance Tests (FATs)
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Contribute to in-service and through-life system support
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Ensure compliance with company policies, safety, and statutory requirements
Essential Skills & Experience
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Experience developing client-server applications
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Strong computer science fundamentals (OOP, data structures, algorithms)
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Programming experience in C++, C#, or Java
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Control systems and graphical user interface development experience
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Familiarity with unit testing frameworks
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Experience with software configuration management and version control
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Industrial Ethernet communication protocols and networking standards
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Hands-on PLC integration experience (Rockwell and/or Siemens)
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Minimum 2 years in a software engineering environment
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Degree, HNC, HND, or equivalent in Software, Systems, or Electrical/Electronic Engineering
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Understanding of Functional Safety standards (BS EN 61508, 61511, 62061)
Desirable Background
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Experience within Defence, Maritime, Aerospace, or similarly regulated sectors (Oil & Gas, Pharma, Petrochemical)