Senior C&I Designer
CV-LibrarySA72, Burton Ferry, PembrokeshirecontractPosted: 25 June 2026
Apply NowSenior C&I Designer – Contract – West Wales
Location: West Wales
This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the Oil & Gas, Petrochemical, Renewable Energy and Nuclear sectors. The role will be working as part of the client organization on site supporting upgrade and modifications to a live hydrocarbon plant. The successful person must be proficient in using 3D AutoCAD while any knowledge of SPI Intools would be beneficial.
The role is outside IR35.
Role & Responsibilities
* Site based role integrated as part of the client design team on a live operational hydrocarbon processing plant.
* Producing new / updating existing detailed C&I design documentation including, loop diagrams, control panel schematics, cable calculations, filed connection diagrams, I/O schedules, control circuits, failsafe circuits, LV power distribution & protection, single line diagrams, control panel GAs and layouts.
* Must be proficient developing designs using Smart Plant Instrumentation (SPI).
* The role will require regular site walks to assess the operational requirements and obtain data needed for successful completion of C&I designs.
* The primary software used is Smart Plant Instrumentation (SPI) in addition to AutoCAD.
* Working potentially on multiple projects at any given time.
* Contributing to site requests by providing technical analysis.
* Production of documentation to support construction.
Key Skills & Knowledge
* Must be qualified to ONC / HNC as a minimum.
* Experience of EC&I engineering documentation.
* Must be proficient in using 3D AutoCAD, knowledge of SPI Intools would be beneficial.
* Experience of PLC and DCS systems.
* Must have proven experience in Oil & Gas, Petrochem, Renewable Energy sectors or similar.
Additional Information
This is a contract role, outside IR35
Location: West Wales
This is an excellent opportunity to join a leading engineering business during a period of continued growth as they support the Oil & Gas, Petrochemical, Renewable Energy and Nuclear sectors. The role will be working as part of the client organization on site supporting upgrade and modifications to a live hydrocarbon plant. The successful person must be proficient in using 3D AutoCAD while any knowledge of SPI Intools would be beneficial.
The role is outside IR35.
Role & Responsibilities
* Site based role integrated as part of the client design team on a live operational hydrocarbon processing plant.
* Producing new / updating existing detailed C&I design documentation including, loop diagrams, control panel schematics, cable calculations, filed connection diagrams, I/O schedules, control circuits, failsafe circuits, LV power distribution & protection, single line diagrams, control panel GAs and layouts.
* Must be proficient developing designs using Smart Plant Instrumentation (SPI).
* The role will require regular site walks to assess the operational requirements and obtain data needed for successful completion of C&I designs.
* The primary software used is Smart Plant Instrumentation (SPI) in addition to AutoCAD.
* Working potentially on multiple projects at any given time.
* Contributing to site requests by providing technical analysis.
* Production of documentation to support construction.
Key Skills & Knowledge
* Must be qualified to ONC / HNC as a minimum.
* Experience of EC&I engineering documentation.
* Must be proficient in using 3D AutoCAD, knowledge of SPI Intools would be beneficial.
* Experience of PLC and DCS systems.
* Must have proven experience in Oil & Gas, Petrochem, Renewable Energy sectors or similar.
Additional Information
This is a contract role, outside IR35