Completion & Well Service Engineer

Overview A well-established international oil & gas operator is seeking an experienced Completion & Well Service Engineer to support offshore and office-based well activities in Thailand. This role focuses on well completion, well intervention, workover, and well integrity management across the full well lifecycle—from planning through execution and close-out. 

Key Responsibilities:

• Develop and present well completion design concepts based on subsurface data
• Prepare cost estimates for annual budgets and well/project-specific AFEs
• Forecast and manage long-lead items and critical equipment
• Maintain and update the company well and technical databases
• Prepare documentation for well insurers when required
• Participate in DWOP / CWOP / IWOP processes
• Ensure timely delivery of all completion-related engineering deliverables
• Support execution teams during well operations
• Prepare Well Completion Reports (WCR) and After Action Reviews (AAR)
• Ensure well barrier schematics are current and valid
• Support Management of Change (MOC) processes and risk assessments
• Review field tickets, service reports, and invoices

Well Service & Well Integrity Management

• Provide technical expertise for well intervention, workover, and production optimization
• Participate in production data analysis to identify anomalies and intervention opportunities
• Manage and ensure compliance with the well integrity management program
• Initiate and execute well intervention and workover programs, including:
  • Basis of Well Intervention (BOWI)
  • Technical feasibility studies
  • Risk assessments and cost estimates
  • Unit selection (slickline, e-line, coiled tubing, HWU, etc.)
  • Tendering, procurement, and vendor coordination
  • Supervision of execution and post-job reporting
• Supervise rig-less intervention and workover operations as required

Project & Technical Support

• Maintain accurate inventory of well intervention and integrity equipment
• Coordinate logistics and interface with Supply Chain & Procurement teams
• Participate in integrated well reviews and production optimization workshops
• Contribute to Reservoir Management Plans and Field Development Plans
• Support new ventures, M&A reviews, and technical feasibility studies
• Review emerging well intervention and integrity technologies
• Coach and mentor junior engineers
• Ensure all activities comply with corporate HSE and operational standards

HSE Responsibilities

• Support preparation of HSE documentation
• Participate in hazard identification and risk assessment processes
• Attend pre-job planning meetings and safety reviews
• Support emergency response activities and incident investigations when required

Qualifications

• Bachelor’s degree in Engineering or a related discipline
• Minimum 7 years of experience in the oil & gas industry
• Strong cross-disciplinary exposure in well engineering, petroleum engineering, and operations
• Available for offshore and wellsite assignments during completion and workover operations.

Required Skills & Experience

• Hands-on experience with well intervention and workover operations (slickline, e-line, coiled tubing, HWU)
• Experience in drilling and completion engineering across planning, execution, and post-job phases
• Experience with artificial lift systems, particularly ESP completions
• Proven ability to work effectively in multi-disciplinary teams
• Strong leadership, problem-solving, and analytical skills
• Good command of written and spoken English
• Well-organized, structured, and deadline-driven
• Positive attitude with a willingness to mentor and share knowledge
• Experience working with mature or late-life assets preferred

With over 90 years' combined experience, NES Fircroft (NES) is proud to be the world's leading engineering staffing provider spanning the Oil & Gas, Power & Renewables, Chemicals, Construction & Infrastructure, Life Sciences, Mining and Manufacturing sectors worldwide. With more than 80 offices in 45 countries, we are able to provide our clients with the engineering and technical expertise they need, wherever and whenever it is needed. We offer contractors far more than a traditional recruitment service, supporting with everything from securing visas and work permits, to providing market-leading benefits packages and accommodation, ensuring they are safely and compliantly able to support our clients.