Job Description
We're seeking an experienced PLC Control Systems Engineer (5-10 years) to design, program, test, and commission industrial control systems across power solutions projects. This includes diesel generator controls, switchgear/ATS/AMF panels, load sharing/synchronisation, and associated HMI/SCADA interfaces. The role spans the full project lifecycle (FDS/DDS, coding, FAT/SAT, on-site commissioning), working closely with electrical design, project managers, and clients to deliver robust, safe, and maintainable systems that meet industry standards.
Key Responsibilities
1) Design & Development
* Produce and own control system deliverables: User Requirements (URS), FDS, DDS/SDS, I/O lists, Cause & Effect, alarms, and test plans.
* Develop PLC/HMI/SCADA applications to internal coding standards and client specifications.
* Configure and integrate generator controllers (Deep Sea Electronics (DSE), ComAp, Woodward), synchronising and load‑sharing schemes, ATS/AMF logic, and black‑start/priority management.
* Interface PLCs with protection relays, meters, breakers, UPS, and BMS/EMS systems.
* Collaborate with electrical design for wiring schematics (e.g., EPLAN/AutoCAD Electrical) and panel build liaison.
2) Testing & Commissioning
* Lead FAT/SAT, I/O checks, loop testing, simulation, and site commissioning.
* Troubleshoot PLC, HMI/SCADA, and comms networks; implement robust fixes and design improvements.
* Produce handover packs, as‑built software, change logs, and training for end users (O&M).
3) Documentation, Quality & Compliance
* Maintain version control, change management, and code libraries (e.g., Git‑based workflows).
* Ensure compliance with functional safety and electrical standards where applicable (e.g., IEC 60204‑1, SIL principles/IEC 61511), PUWER, and Machinery Directive/UKCA.
* Contribute to RAMS for site works; uphold ISO 9001 quality procedures and good engineering practice.
4) OT Networking & Cybersecurity
* Design and commission industrial Ethernet networks (managed switches, VLANs, NAT, routing).
* Implement and document secure architectures and segmentation, harden PLC/HMI/SCADA assets, and apply password/backup policies and access controls in line with best practices.
* Configure and troubleshoot common industrial protocols: Modbus TCP/RTU, Profinet, Profibus, EtherNet/IP, OPC UA; (nice to have: IEC 61850, DNP3).
5) Continuous Improvement & Support
* Mentor junior engineers, contribute to coding standards, reusable function blocks, and templates.
* Provide remote and on‑site support, root‑cause analysis, and preventive maintenance recommendations.
* Suggest design enhancements for reliability, maintainability, and lifecycle cost reduction.
Technical Skills
* PLC / HMI / SCADA
o Allen Bradley, Siemens TIA Portal (SCL/ladder), WinCC/Unified; Rockwell Studio 5000 (Ladder/Structured Text), FactoryTalk View.
o Optional: Schneider EcoStruxure, Mitsubishi GX Works, Beckhoff TwinCAT, AVEVA/Wonderware, Ignition.
o Must have written system code from conception / from design.
* Generator & Power Integration
o DSE/ComAp/Woodward controller integration, breaker control, load management, protection interfaces.
o Familiarity with UPS systems, power meters, and protection relays.
* Networks & Protocols
o Layer‑2/3 concepts, VLANs, NAT, routing, industrial firewalls; Modbus, Profinet, Profibus, EtherNet/IP, OPC UA.
* Electrical & Safety
o Read/mark up schematics, panel layouts, and cable schedules.
o Awareness of IEC 60204‑1, functional safety (SIL concepts), BS 7671 principles, PUWER; RAMS.
Qualifications & Certifications (Desired)
* Degree/HND in Electrical, Electronic, Control/Automation, or Mechatronics Engineering (or equivalent experience).
* ECS/CSCS or safety passports.
* Full UK driving licence and ability to work on client sites.
* Nice to have: Functional Safety awareness (e.g., TÜV), CompEx/ATEX awareness where applicable.
Personal Attributes
* Methodical, safety‑first, and quality‑driven, strong attention to detail.
* Clear communicator with clients, site teams, and non‑technical stakeholders.
* Proactive problem solver, comfortable under time pressure during commissioning.
* Team player who can also work independently and mentor others.
* Willing to travel to sites across the UK.
Benefits
* Competitive salary £65,000-£70,000
* Company pension; 25 days' holiday & bank holidays.
* Company laptop & mobile phone.
* Training & certification support (APM/PRINCE2/18th Edition/Siemens/Allen‑Bradley).
* Professional membership support (IET/APM).
* Flexible site travel expenses.
* Private health care (post probation).
Working Pattern
70% Office / 30% site as needed by projects. UK travel to customer sites, factories, and FAT locations.
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