Senior PLC Engineer

Senior Plc Engineer

At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding commitment to innovation, integrity, and collaboration, tackling some of the most significant challenges in science, security, and sustainability. If you're passionate about making a real impact and want to be part of a community that values ethical excellence, this is the place where your ambition can thrive. Here, we believe that success comes from continuously pushing boundaries and working together to deliver on our promises. We embrace challenges with confidence and are dedicated to creating a secure and vibrant future for all. We'll inspire and empower you to deliver your best work so you can evolve, grow and succeed – today and into tomorrow. We offer an exciting range of opportunities to develop your career within a supportive team who always strive to do the right thing for our people, clients and communities. People are our greatest asset, and we offer a competitive package to retain and attract the best talent. In addition to the benefits you'd expect, UK employees also receive free single medical cover and digital GP service, family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships. Work-life balance and flexibility is a key focus area for us. We're happy to discuss hybrid, part-time and flexible working hours, patterns and locations to suit you and our business.

For our CSF team, we are seeking an experienced, Senior Plc Engineer.

To design, develop, implement and test Plc-based control systems, producing high-quality and comprehensive engineering design documentation such as:

• Requirements capture and traceability documentation (Urs/Rtm)
• System / Functional Design Specifications (Sdd/Fds)
• Detailed Software System Specifications (Sss)
• Test Specifications (Module/Integration/System/Hardware)
• Operation & Maintenance Manuals (O&M)
• System Rebuild Documentation
• I/O, Alarm & Message Schedules
• Support with project LifeTime Records / Material Traceability Records

In addition to the above, the role shall support the Lead Engineer and Project Manager in maintaining the planned delivery schedule, reporting technical issues, changes in scope and variations to the programmed activities where necessary. Programming Plc equipment (such as Rockwell/Schneider/Siemens) using Iec 61131 languages, producing module functions blocks and logic in accordance with the design documentation and engineering standards. Work closely with Hmi/Sccada and database engineers to develop the control system architecture, producing Network Architecture Diagrams and interfacing documentation to suit, to support the visualisation of plant via an integrated Cyber Secure Sccada system. Undertake in-house acceptance testing in a formal, controlled manner of the integrated control system, ensuring change control management is maintained and recorded. Site acceptance testing (commissioning) may also be required. Support the generation of installation and commissioning documentation, operator and maintainer training and technical site support post-delivery. Have a technical understanding of engineering design drawings, mainly in relation to Plc control system cubicles, enclosures, and interface panels, to assist in ascertaining constraints and design impacts from site visits, working in collaboration with the engineering teams and stakeholders to produce designs and Plc software to a high-quality level.

Significant experience in the design and implementation of Plc control systems.

Excellent understanding of Plc programming languages (Iec61131), Plc hardware and software, and communication protocols used in industrial (Ot) control systems.

Significant demonstrable experience in Ec&I industry (preferably Nuclear) with Plcs.

Meticulous attention to detail to ensure accuracy and reliability in Plc programming and system design.

Experience in producing control system functional specifications, detailed design documents and formal Test Specifications to a high-quality level.

Experience in undertaking formal and controlled testing and validation activities.

Excellent fault-finding and troubleshooting skills with the ability to analyse complex systems, identify problems, and implement effective solutions.

Good understanding of design drawings such as Electrical Enclosures, Control System Panels, Motor Control Centres, etc.

Ability to work as part of an Integrated Delivery Team or individually, working within sometimes restrictive time constraints.

Demonstrate excellent written and verbal communication skills.

Proficient in Microsoft Office with strong technical documentation writing skills.

Have strong interpersonal skills and be able to interact with people at all levels.

Our values are built on a strong foundation of safety, integrity, and respect for every individual. People are at the heart of our mission, and we believe in supporting one another through a culture of care and collaboration. We strive to create a workplace where everyone feels they belong and can thrive. Supporting mental wellbeing and fostering a sense of connection are essential to how we work. When we embrace different perspectives and work together, we become more innovative, more agile, and more successful.