At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world’s most innovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as they provide unique R&D and engineering services across all industries. Join us for a career full of opportunities. Where you can make a difference. Where no two days are the same.​

About the job you’re considering

Key Responsibilities:
PLC Programming and Development:

• Design and develop PLC programs using Siemens TIA Portal for control systems in defence-related projects.
• Implement logic controls, interlocks, safety functions, and communication protocols as required.
• Develop Human-Machine Interface (HMI) applications integrated with PLC systems.

System Design and Integration:

• Collaborate with multidisciplinary teams to define control system requirements and specifications.
• Develop and review technical documentation including functional specifications, design drawings, and test plans.
• Integrate PLC systems with other control systems, SCADA, and networked environments.

Testing and Commissioning:

• Perform system testing, validation, and troubleshooting to ensure functionality meets the project’s requirements.
• Commission PLC systems onsite, ensuring seamless integration with mechanical and electrical systems.
• Conduct Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT).

Compliance and Security:

• Ensure all work is carried out in compliance with relevant defence standards and cybersecurity protocols.
• Handle classified information with the utmost confidentiality and integrity.
• Participate in risk assessments, FMEAs, and safety analysis related to control systems.

Hybrid working: The places that you work from day to day will vary according to your role, your needs, and those of the business; it will be a blend of Company offices, client sites, and your home; noting that you will be unable to work at home 100% of the time.​

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If you are successfully offered this position, you will go through a series of pre-employment checks, including: ​

identity, nationality (single or dual) or immigration status, employment history going back 3 continuous years, and unspent criminal record check (known as Disclosure and Barring Service)​

Your role

We are seeking a skilled and experienced Siemens TIA Portal PLC Engineer to join our engineering team within the defence sector. The successful candidate will be responsible for the design, development and testing, of PLC-based control systems, primarily using Siemens TIA Portal, for mission-critical defence applications. This role demands a high level of technical expertise, attention to detail, and the ability to work within a secure environment on classified projects.

• Experience writing S7-PLC programs from scratch in TIA Portal- Experience of implementing inter-PLC communication using various protocols (eg. PUT/GET, BSEND/BRCV)
• Understanding of various communication protocols used within industrial automation (eg. Profinet, Profibus, OPC-UA, MQTT, Modbus TCP)
• (Ideally) Experience in producing Functional Design Specifications (FDS) from User Requirement Specification (URS).

Don’t meet every single requirements? Studies have shown women and people of colour are less likely to apply to jobs unless they meet every single qualification. We are dedicated to building a diverse, inclusive and authentic workplace so if you’re excited about this role but your past experience doesn’t align perfectly with every requirement in the job description, we encourage you to apply anyway.​

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You can bring your whole self to work. At Capgemini equity, diversity and inclusion is part of everyday life, and will be part of your working reality. We have built an inclusive and welcoming environment, for everyone.​

Your skills and experience

Qualifications and Experience:
• Bachelor’s Degree in Electrical Engineering, Automation, Control Systems, or a related field.
• Proven experience (5+ years) in PLC programming with Siemens TIA Portal in a defence or similarly regulated industry.
• Strong knowledge of Siemens S7-1200/1500 PLCs, HMI development, and SCADA systems.
• Experience with communication protocols such as Profibus, Profinet, Modbus, and Ethernet/IP.
• Solid understanding of electrical control systems, instrumentation, and automation principles.
• Familiarity with safety standards and risk assessments in the defence sector (e.g., IEC 61508, IEC 61131-3).
• Ability to obtain and maintain security clearance (e.g., UK SC or equivalent).

• Strong analytical and problem-solving skills.
• Excellent communication and teamwork abilities.
• High attention to detail and accuracy in design and documentation.
• Ability to work under pressure and manage multiple projects simultaneously.
• Commitment to continuous improvement and learning.

Desirable:
• Experience with other PLC platforms such as Rockwell, Mitsubishi, or Schneider Electric.
• Knowledge of cybersecurity practices relevant to control systems.
• Experience with virtual commissioning and simulation tools.

Your security clearance ​

To be successfully appointed to this role, it is a requirement to obtain Security Check (SC) clearance. ​

To obtain SC clearance, the successful applicant must have resided continuously within the United Kingdom for the last 5 years, along with other criteria and requirements.​

Throughout the recruitment process, you will be asked questions about your security clearance eligibility such as, but not limited to, country of residence and nationality.​

Some posts are restricted to sole UK Nationals for security reasons; therefore, you may be asked about your citizenship in the application process.​

What does ‘Get The Future You Want ‘ mean for you?​

You will be encouraged to have a positive work-life balance. Our hybrid-first way of working means we embed hybrid working in all that we do and make flexible working arrangements the day-to-day reality for our people. All UK employees are eligible to request flexible working arrangements. You’d be joining an accredited Great Place to work for Wellbeing in 2024. Employee wellbeing is vitally important to us as an organisation. We see a healthy and happy workforce a critical component for us to achieve our organisational ambitions. ​
To help support wellbeing we have trained ‘Mental Health Champions’ across each of our business areas, and we have invested in wellbeing apps such as Thrive and Peppy. You will reimagine what’s possible: creating value for the world’s leading organisations through technology to build a sustainable, more inclusive future. You will work with a range of clients all with a unique set of business, technological and societal ambitions, which will make a real impact across the UK.​

Why you should consider Capgemini

Growing clients’ businesses while building a more sustainable, more inclusive future is a tough ask. When you join Capgemini, you’ll join a thriving company and become part of a diverse collective of free-thinkers, entrepreneurs and industry experts. We find new ways technology can help us reimagine what’s possible. It’s why, together, we seek out opportunities that will transform the world’s leading businesses, and it’s how you’ll gain the experiences and connections you need to shape your future. By learning from each other every day, sharing knowledge, and always pushing yourself to do better, you’ll build the skills you want. You’ll use your skills to help our clients leverage technology to innovate and grow their business. So, it might not always be easy, but making the world a better place rarely is.

About Capgemini

Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, cloud and data, combined with its deep industry expertise and partner ecosystem. The Group reported 2023 global revenues of €22.5 billion.