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About this role:

We are supporting an AWE Burghfield project and are seeking a DV Cleared Senior Software Engineer to take full responsibility for software delivery on a high-security, site-based controls and automation project. This is a senior-level role requiring strong Siemens PLC and HMI experience, leadership capability, and proven delivery within regulated defence or nuclear environments.
The successful candidate will play a key role in software design, on-site testing and commissioning, client liaison, and the mentoring of junior engineers, ensuring projects are delivered safely, on time, and to the highest quality standards.

Job Responsibilities:

* Act as the site-based Senior Software Engineer, responsible for all software activities on assigned AWE Burghfield projects

* Configure, develop and support Siemens PLC and HMI systems

* Configure and support Siemens SCALANCE and Siemens network switching equipment

* Produce and execute on-site software test documentation, including FAT and SAT

* Carry out on-site testing and commissioning of PLC-based control systems

* Lead software specification, design and implementation activities

* Liaise directly with the client to ensure successful software delivery and stakeholder satisfaction

* Lead, mentor and develop other software engineers on site

* Oversee software resources, workload planning and technical delivery across the project

* Ensure delivery of contracts on time, within budget and to agreed scope

* Ensure all work complies with internal QESH and Integrated Management Systems, as well as regulatory and legal requirements

* Drive continuous improvement, innovation and best practice in software engineering processes

* Demonstrate strong commitment to Quality, Health, Safety and Environmental standards at all times

Experience Required:

* MOD DV Security Clearance (essential)

* Degree-qualified in a relevant engineering discipline

* Minimum 4+ years of Siemens software engineering experience, including leadership within project environments

* Strong hands-on experience with:

* Siemens PLC programming

* Siemens HMIs

* On-site commissioning and installation

* Proven experience within nuclear, defence or highly regulated environments

* Strong understanding of systems integration and industrial cyber security

* Experience delivering projects in line with budget, programme and quality requirements