Purpose of the service The SERVICE PROVIDER will carry out the following tasks: Preparation/adoption of technical specifications (DCS/SIS) Development/Resumption of ControlCommand Architectures (ICSS) Participation in basic and/or detailed ICSS studies Monitoring of Internal and/or External Interfaces Participation in the validation of the installation aspect of the control, safety, fire and gas systems (quantity of cabinets, standard loops, etc.) Preparation of functional specifications: functional analysis, narrative control, cause and effect matrices, logic diagrams Participation in supplier alignment missions or testing phases (FAT) REQUIRED SKILLS The studies at the expense of the SERVICE PROVIDER require the following skills: Knowledge of the specifics of Control & Safety Systems Oil&Gas Knowledge of the knowhow of ICSS Offshore/Onshore, Network, Knowledge of F&G processes and/or rules encountered in Oil & Gas Work in interfaces, internal (engineering disciplines) and/or external (partners, subcontractors, vendors, etc.) Knowledge of the installation/validation aspects of ICSS systems Knowledge of applicable ISA 5.1/2/3/4/5/6 standards Knowledge of the applicable standards IEC61511/62443 and possibly IEC61511 certification (TUV – QUALISIL) Knowledge of MS Office software (word/excel/visio) Reporting to the Lead Fluency in English