Senior Expert in Drilling and Workover Project Management (m/f)

CROSCO Ltd. is a member of the INA Group, which provides integrated drilling and overhaul services and services of specialist drilling services on land and sea in Croatia and the region. Comprehensive technical training and continual development are an integral part of our business which makes CROSCO’s workers one of the most qualified and prepared for new challenges within the exploration of hydrocarbons and geothermal potentials on the market. Thanks to the combination of new technologies and many years of experience, today we offer our clients services with a high degree of security, quality, and innovation. We are a dependable partner that ensures and shapes the new energy age for a sustainable future.

YOUR RESPONSIBILITIES:

• lead end-to-end project execution for complex rig assignments, turn-key drilling operations, and long-term contracts from tendering through rig demobilization
• drive operational delivery against Client KPIs, contract specifications, and budget baselines
• oversee daily operational engineering, flat-time reduction initiatives, non-productive time (NPT) analysis, and technical troubleshooting across assigned rig assets
• manage client relations, contract variations, operational scope changes, and commercial claim mitigations
• oversee budget formation, cost forecasting, and daily operational expenditure control to maximize gross margin and rig profitability
• champion Process Safety and HSE standards across project activities, driving target-zero incident cultures
• perform rigorous risk assessments (HAZOP/HAZID), establish risk mitigation matrixes for complex operations, and support root cause analysis on significant incidents
• evaluate and implement digital drilling technologies, automated control systems, real-time data monitoring, and condition-based asset management to improve rig performance
• lead technical interface discussions for major rig upgrades, modifications, or reactivation projects required under client contracts
• serve as key senior authority liaising with the operator's Drilling/Project Manager and manage integrated / third-party service providers and sub-contractors under contractor's scopes.
   

FOR THE POSITION YOU NEED TO HAVE:

• bachelor’s degree in Petroleum, Mechanical, Marine, or Civil Engineering (Master's preferred) 
• 15+ years of well engineering and operations experience, with at least 7+ years in a senior project management role within an offshore or onshore drilling contractor environment
• valid IWCF/IADC Well Control Certification (Supervisor Level); PMP or equivalent PM certification highly desirable
• deep knowledge of modern rig mechanics, top drives, well control systems, rig reactivations, and complex well design
• demonstrated expertise in managing contracts, cost control, day-rate mechanics, and performance bonus/penalty structures.
   

MORE THAN 200 BENEFITS AWAIT YOU AT INA GROUP, INCLUDING:

• Christmas, Easter and holiday allowance in total value of €796.34
• monthly meal allowance of €100 and transport allowance of up to €265.45
• Christmas gift for children under 15 years of age of €132.72
• day off for the first day of school/kindergarten
• additional health insurance and a free annual health check-up
• MultiSport and PassSport card and numerous discounts on our beneFIT platform
• professional development through our INA Academy
• restaurants with delicious and subsidized meals at seven locations
• other benefits that you can find on our careers page.
   

Application deadline: 28.9.2026
 

Our selection process includes online testing and job interviews. We carefully review every application and will invite to the next stages those candidates who closely meet the criteria for this position.

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