Plc Engineer

Cambridge
1 week ago
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About the Role
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. Including 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
    • Allen Bradley, Siemens TIA Portal (SCL/ladder), WinCC/Unified; Rockwell Studio 5000
    (Ladder/Structured Text), FactoryTalk View.
    • Optional: Schneider EcoStruxure, Mitsubishi GX Works, Beckhoff TwinCAT, AVEVA/Wonderware,
    Ignition.
    • Must have written system code from conception / from design.
    Generator & Power Integration
    • DSE/ComAp/Woodward controller integration, breaker control, load management, protection
    interfaces.
    • Familiarity with UPS systems, power meters, and protection relays.
    Networks & Protocols
    • Layer‐2/3 concepts, VLANs, NAT, routing, industrial firewalls; Modbus, Profinet, Profibus,
    EtherNet/IP, OPC UA.
    Electrical & Safety
    • Read/mark up schematics, panel layouts, and cable schedules.
    • 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.
    Equal Opportunities
    We are an equal opportunities employer and welcome applications from all suitably qualified
    individuals.
    Candidates must have the right to work in the UK, have a British passport or settlement status

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