Position: Senior Workover Engineer
Location:, Basra, Iraq
Rotation: 28/28
Duration: 12 months renewable

We are seeking an experienced Senior Workover Engineer with strong completion fluids and frac & stim experience to join our Workover Engineering team, one of the world's largest producing onshore oil fields and the cornerstone of Iraq's oil production. Located in southern Iraq near Basra, is a mature, large-scale asset with thousands of producing and injection wells, requiring continuous workover, stimulation, and production enhancement activities to sustain and maximize field performance.

The Senior Workover Engineer is a senior technical position responsible for providing engineering leadership and subject matter expertise in completion and workover fluids, stimulation, hydraulic fracturing, acidizing, cementing, and production enhancement operations.

The successful candidate will work closely with subsurface, workover rig operations, procurement, HSE, and service company personnel to develop and execute technically sound, safe, and cost-effective solutions that maximize well performance, improve reservoir productivity, and maintain long-term well integrity. The role also serves as the technical focal point for these disciplines within the Workover organization, supporting technology implementation, contractor management, engineering assurance, incident investigations, and the development of junior Iraqi engineering staff.

Key Responsibilities

• Provide technical leadership and engineering support for workover and completion operations.
• Design and optimize completion and workover fluid systems, including brines, filtration, fluid-loss control, displacement programs, and wellbore cleanup solutions.
• Lead the development of acid stimulation programs for sandstone and carbonate reservoirs.
• Lead the design and execution of hydraulic fracturing and acid fracturing treatments.
• Provide technical oversight of remedial cementing operations, including squeeze cementing, water shut-off treatments, tie-back liner cementing, cement plugs, and zonal isolation projects.
• Review and approve Workover engineering programs, risk assessments, and Management of Change (MOC) documentation.
• Prepare technical specifications, scopes of work, and tender packages for stimulation, fluid, and cementing services.
• Conduct technical evaluations of service providers and support contract award recommendations.
• Evaluate new technologies and work with service companies to identify opportunities for operational improvement and production enhancement.
• Investigate operational incidents and service quality issues, perform root cause analyses, and develop lessons learned.
• Develop engineering standards, procedures, and best practices within the discipline.
• Mentor and train junior Iraqi engineers and provide technical guidance across the organization.

Qualifications

• Bachelor's Degree in Petroleum Engineering, Chemical Engineering, Mechanical Engineering, or a related engineering discipline.
• Minimum 15 years of relevant oil and gas industry experience.
• Demonstrated experience in:
  • Brownfield rig workover operations
  • Completion and workover fluids
  • Brine systems, filtration, and fluid-loss control
  • Sandstone and carbonate acid stimulation
  • Hydraulic fracturing and acid fracturing
  • Completion with artificial lift systems, preferably ESPs
  • Remedial cementing and well integrity solutions
  • Technical contract preparation and bid evaluation
• Strong understanding of well performance, production enhancement, and completion practices.
• Experience working with multidisciplinary teams in large onshore oilfield developments.
• Excellent technical, communication, problem-solving, and stakeholder management skills.

What We Offer

• Opportunity to work on one of the world's largest producing oil fields.
• Challenging and technically diverse engineering responsibilities.
• Exposure to advanced stimulation, completion, and well integrity technologies.
• Collaborative work environment with multidisciplinary teams and leading service providers.
• Structured rotational schedule (28/28) with accommodation, travel and logistics support provided while on assignment.
• International health insurance coverage

Role Purpose
The Senior Workover Engineer is the focal point for completion fluids, stimulation, hydraulic fracturing, and cementing engineering activities, ensuring safe, technically robust, and cost-effective execution of operations while supporting asset production, well integrity, and long-term field development objectives.

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.