Controls Engineer

Caledonian Recruitment Group Ltd; Nottingham; On-site; GBP 45,000 - 65,000; Full time

Job summary

Caledonian Recruitment Group Ltd seeks a pragmatic Controls & Commissioning Engineer to work with engineering, PM, manufacturing and supplier teams. You will test PLC/HMI software (Siemens PCS7/TIA Portal/WinCC; Rockwell Studio 5000), assist FAT/Pre-FAT/iFAT, perform commissioning, and resolve software issues.

You will verify FDS, SLDs, P&ID and related docs, and provide technical support to customers and suppliers.

Qualifications

• PLC/HMI software testing and verification
• Instrumentation and Control systems in safe area and ATEX environments
• I/O verification and control system testing
• Instrumentation and control troubleshooting and commissioning
• PLC programming and troubleshooting
• HMI development and modification
• Engineering Documentation
• FAT/Pre-FAT/iFAT knowledge
• SIF and Safety concepts
• Cause & Effect verification

Responsibilities

• Support design verification, FAT readiness, commissioning and software issue closure
• Provide practical engineering support during delivery activities
• Cause & Effect verification and functional testing
• Controlled software updates and configuration management
• Supplier and customer technical support
• Travel for site activities as needed

Skills

PLC testing

HMI testing

Siemens PCS7

TIA Portal

WinCC

Rockwell Studio 5000

FactoryTalk

Troubleshooting

Commissioning

I/O verification

Electrical design

AutoCAD Electrical

P&ID interpretation

FAT/iFAT

Functional safety

LOPA

Tools

AutoCAD Electrical

Siemens PCS7

TIA Portal

WinCC

Rockwell Studio 5000

FactoryTalk

Job description

Controls & Commissioning Engineer will work closely with EIC Engineering, Project Management, Manufacturing and Supplier teams to support:

PLC and HMI software testing and troubleshooting Siemens PCS7 / TIA Portal / WinCC and/or Rockwell Studio 5000 FAT, Pre-FAT and iFAT execution Commissioning and operational support Cause & Effect verification Functional testing and issue resolution Controlled software updates and configuration management Supplier and customer technical support

The role is intended to provide practical engineering support during design verification, FAT readiness, commissioning and software issue closure activities.

Essential Skills and Experience

Instrumentation & Control

PLC/HMI software testing and verification Instrumentation and Control systems in both safe area and ATEX environments I/O verification and control system testing Instrument troubleshooting and commissioning PLC & HMI Systems Siemens TIA Portal Siemens WinCC Siemens PCS7 (desirable) Rockwell Studio 5000 (desirable) FactoryTalk (desirable) PLC programming and troubleshooting HMI development and modification Engineering Documentation

Experience producing and reviewing:

• Functional Design Specifications (FDS)
• Control Philosophy documents
• Single Line Diagrams (SLD)
• Cause & Effect Diagrams
• Network Architecture Diagrams
• Instrument Lists
• I/O Lists
• Equipment Data Sheets
• Load Schedules
• Cable Schedules
• Electrical & Control Design
• Circuit protection design
• Cable sizing calculations
• Electrical power distribution
• Panel design and wiring
• AutoCAD Electrical mark-ups and updates
• Functional electrical schematics
• P&ID interpretation
• Pneumatic and hydraulic control systems

Functional Safety

Working knowledge of:

• IEC 61508
• IEC 61511
• SIL concepts
• LOPA methodology
• Safety Instrumented Functions (SIF)
• Cause & Effect verification

FAT & Commissioning

Proven experience of:

• Siemens PCS7 / TIA Portal / WinCC and/or Rockwell Studio 5000 programming
• FAT
• Pre-FAT
• iFAT
• SAT
• Commissioning Loop checks
• Functional testing
• Software issue resolution
• Customer witness testing
• Candidate Profile

We are seeking a practical, hands‑on engineer who enjoys solving technical problems and actively supports delivery activities.

The successful candidate should ideally have:

• 5-10 years of controls engineering experience
• Strong Siemens PLC experience
• FAT and commissioning experience
• Industrial, marine, oil & gas or packaged equipment background
• Ability to work independently and travel when required
• Strong communication skills with customers, suppliers and internal stakeholders

The position is not intended to be primarily project management focused. The successful candidate should be comfortable performing detailed engineering, troubleshooting, testing and commissioning activities directly