Senior Software Engineer

Hernshead Recruitment Ltd; England; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading engineering recruitment firm is searching for a DV Cleared Senior Software Engineer to oversee software delivery on a high-security project. The ideal candidate will have strong Siemens PLC and HMI experience, plus leadership skills. Responsibilities include on-site testing, mentoring junior engineers, and ensuring that projects meet quality and regulatory standards. This senior role requires a minimum of 4 years experience and the ability to work in regulated defence or nuclear environments.

Qualifications

• MOD DV Security Clearance is essential.
• 4+ years of Siemens software engineering experience required.
• Proven experience in nuclear or defence environments.

Responsibilities

• Lead software activities on AWE Burghfield projects.
• Configure and develop Siemens PLC and HMI systems.
• Produce software test documentation, including FAT and SAT.

Skills

Siemens PLC programming

Leadership

Siemens HMIs

Systems integration

Industrial cyber security

Education

Degree in a relevant engineering discipline

Job description

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