OneSubsea Field Specialist

SLB One Subsea is hiring an experienced OSS Field Specialist to run subsea landing string operations offshore, with hands‑on responsibility for SenTREE subsea test trees and the SenTURIAN electrohydraulic operating system.

You will be the company's technical representative on the rig, with supervisory responsibility for the landing string crew and equipment during completion installation, well cleanup, well testing and intervention from floating vessels.

You will prepare, test and operate the primary subsea well control system inside the BOP stack.

• Deliver safe, efficient and reliable service to customers.
• Apply standard work and manage risk during every job.
• Identify and act on opportunities to improve service delivery.

• Execute subsea landing string jobs offshore: rig-up, running, landing, operation, emergency disconnect readiness, retrieval and rig-down.
• Operate the SenTURIAN system from the master control station, including the hydraulic power unit, umbilical reeler and flowhead control panel.
• Function and pressure test SenTREE valves, latch and control lines before and during operations.
• Configure and verify emergency shutdown (ESD) sequences with the customer and rig crew before running.
• Interface landing string equipment with the BOP stack, tubing hanger running tool, lubricator valves and surface flowhead.
• Support FAT, SIT and offshore installation and removal of equipment.

• Maintain, redress and pressure test landing string equipment between jobs.
• With minimal direction, diagnose equipment faults and determine whether the cause is mechanical, electrical or hydraulic.
• Make mechanical, hydraulic and electrical repairs, and request parts early enough to avoid lost time.
• Read and work from schematics, assembly drawings and procedures.
• Keep tools, test equipment and vehicles in good working order.

• Own job deliverables: accurate daily reports, test records and end‑of‑job reports, on time.
• Take part in job risk analysis, service quality meetings with customers, and continuous improvement actions.
• Carry out self‑assessments, compliance audits and wellsite inspections to company and regulatory standards.
• Act as the on‑site liaison between the customer, rig crew, engineering and third parties on procedures, spares, fit and function.
• Follow company and customer HSE policies, wear required PPE, and keep all safety training current.
• Supervise and coach less experienced crew on the job.

Applicants must have working, hands‑on knowledge of the systems below. Expect technical questions on them at interview.

• Operating the system from the master control station, with the hydraulic power unit and umbilical reeler.
• Preparing and testing the subsea control module before a job.
• Setting up and testing emergency shutdown and disconnect sequences.
• Using pressure and flow feedback to confirm subsea functions and find faults.

• SenTREE 7 (10,000 psi) and SenTREE HP (15,000 psi) subsea test