Senior Controls Software Engineer

We are seeking an experienced Senior Controls Engineer to join a growing automation engineering team delivering complex industrial automation and material handling projects across a variety of industries. This role offers the opportunity to take ownership of the controls scope from project handover through software development, testing, commissioning, customer acceptance and final handover.

The successful candidate will combine strong Siemens PLC programming experience with hands-on commissioning expertise and a passion for delivering high-quality automation solutions in fast-paced industrial environments. Key Responsibilities Project Delivery & Ownership Take ownership of the controls scope following receipt of approved electrical drawings, system architecture and Functional Design Specifications (FDS).

Review technical documentation and identify any gaps, risks or conflicting requirements. Plan and manage controls engineering activities to achieve project milestones. Work closely with project managers, electrical engineers, mechanical engineers, robotics specialists and wider project teams to ensure successful system integration.

Maintain clear communication with stakeholders regarding project progress, issues and solutions. PLC & HMI Software Development Develop, modify and maintain PLC software using Siemens TIA Portal. Program control systems using Structured Text (SCL) and Ladder Logic.

Develop intuitive HMI applications with clear diagnostics, alarm handling and fault recovery functionality. Implement machine sequences, equipment interfaces, data handling processes and system interlocks. Integrate automation hardware including drives, remote I/O, servo systems, robots, barcode scanners, RFID systems and vision technology.

Configure and troubleshoot Profinet and Industrial Ethernet communication networks. Maintain software version control, change logs and project documentation. Testing & Validation Carry out structured software testing and simulation activities prior to deployment.

Support panel testing, I/O validation and system integration testing. Participate in Factory Acceptance Testing (FAT) activities and resolve controls-related issues. Ensure all software and functionality meets customer and project requirements before release.

Site Commissioning Commission automated systems at customer sites across the UK and occasionally overseas. Complete network validation, device integration, drive setup and sequence commissioning. Optimise system performance, throughput and reliability.

Support Site Acceptance Testing (SAT), customer demonstrations and final sign-off activities. Provide technical leadership and troubleshooting support during commissioning phases. Ensure all activities are completed safely and in accordance with project and customer requirements.

Handover & Support Produce final software backups, release notes and controls documentation. Deliver op...

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