> Markdown version of [/jobs/ext/3602726-principal-senior-controls-engineer](https://www.wearedevelopers.com/jobs/ext/3602726-principal-senior-controls-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal/Senior Controls Engineer - **Company:** Automation Experts - **Location:** Sleaford, UK - **Experience:** Expert - **Salary:** £50,000.0 - £70,000.0 - **Contract:** Permanent contract - **Skills:** Hardware Design, Software Architecture, Process Control Systems - **Published:** October 7, 2026 - **Apply:** https://www.careerjet.co.uk/job/gbd75de7366d3df164bd6ccf5bb3d748b9/eaa ## About the Role * Degree qualified in Electrical, Electronic, Control, Instrumentation or Automation Engineering * Minimum 5 years' experience developing PLC-based industrial control systems * Experience designing hardware and software for gas turbine control or fuel systems * Strong knowledge of PLC programming, control system architecture and industrial networking * Previous commissioning and site installation experience * Experience producing technical documentation including Functional Design Specifications, FAT/SAT documentation and test procedures * Excellent fault-finding, analytical and problem-solving skills * Strong communication skills with the ability to work closely with customers and multidisciplinary engineering teams * Technical leadership experience and a passion for mentoring engineers would be advantageous * Offshore Safety Survival Certificate would be beneficial ## Description This is an outstanding opportunity for a Principal/Senior Controls Engineer to join a specialist engineering business with decades of expertise delivering advanced control systems. Working on technically challenging projects from tender through to commissioning, you'll take a leading role in the design, development and delivery of bespoke Rockwell PLC-based control systems while collaborating with multidisciplinary engineering teams and supporting the continued evolution of innovative control technologies. Principal/Senior Controls Engineer - The Role: * Lead the design, development and implementation of PLC-based control systems * Produce functional design specifications, software architectures, hardware designs, networking documentation and interface specifications * Develop, test and validate control system software, ensuring solutions meet customer, safety and quality requirements * Support projects throughout the full life cycle, from tendering and detailed design through to FAT, SAT, commissioning and customer handover * Provide technical leadership across engineering, manufacturing, project delivery and commissioning activities * Work closely with customers, suppliers and internal teams to deliver high-quality control system solutions * Support Factory and Site Acceptance Testing, installation, commissioning and post-project technical support * Contribute to continuous improvement, technical standards and the development of future control system products * Provide technical support to business development activities, customer meetings and project bids