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Key Responsibilities

• Supervise and coordinate piping installation activities, followed by mechanical installation works.
• Monitor contractors and subcontractors to ensure safe and efficient execution in accordance with project specifications and schedules.
• Oversee the installation of small-bore process piping, with diameters up to 1½ inches.
• Supervise the installation of mechanical equipment and ensure proper coordination with piping activities.
• Monitor work progress, quality, planning and compliance with HSE requirements.
• Coordinate inspections, testing, mechanical completion and handover activities.

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The Project

For a major greenfield petrochemical project in the Port of Antwerp, Mansource is looking for an experienced Warehouse Manager to support the commissioning and start-up phase of the new ethane cracker installation.

The project includes a new ethane cracker and associated utilities and infrastructure. During commissioning, the availability and traceability of spare parts, materials, tools and equipment are essential to ensure that activities can be carried out safely and according to schedule.

As Warehouse Manager, you will be responsible for the effective day-to-day management of warehouse operations and material flows, ensuring that commissioning teams have the materials and equipment they need, when and where they need them.

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The Role

You will manage warehouse activities throughout the commissioning phase, working closely with commissioning, maintenance, materials management, procurement, construction and logistics teams.

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Your responsibilities will include:

• Managing daily warehouse operations, including receiving, inspecting, storing, issuing and dispatching materials and equipment.

• Ensuring the availability of spare parts, tools, consumables and other materials required for commissioning and start-up activities.

• Maintaining accurate inventory records and ensuring full material traceability through the relevant warehouse or inventory management systems.

• Coordinating material requests, reservations, picking and timely delivery to the relevant work locations.

• Monitoring stock levels, identifying shortages and coordinating replenishment with procurement and materials management.

• Managing material returns, surplus materials, damaged goods and discrepancies between physical stock and inventory records.

• Establishing and maintaining effective warehouse procedures, storage arrangements and stock-control practices.

• Ensuring that materials are correctly identified, labelled, stored and preserved in accordance with applicable requirements.

• Coordinating warehouse personnel and, where applicable, subcontractors and logistics providers.

• Maintaining high standards of housekeeping, safety, security and compliance with site procedures.

• Supporting the preparation of warehouse reports, inventory checks and material status updates.

• Working closely with commissioning discipline leads to anticipate upcoming material requirements and resolve supply or availability issues.

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What you'll do

• Lead and coach the legal team supporting the offshore business.
• Draft, review and negotiate Production Sharing Contracts (PSCs), Joint Operating Agreements (JOAs) and other complex petroleum agreements.
• Advise executive management on legal, contractual and strategic offshore matters.
• Monitor contractual obligations and ensure compliance with petroleum and mining legislation.
• Advise on potential disputes and on international developments in the upstream oil and gas sector.

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We are looking for a Senior Offshore Well Engineer who can provide technical oversight across the complete deepwater well lifecycle, ensuring wells are planned and delivered safely, efficiently, compliantly, and within budget. 

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Tasks & responsibilities:

• Provide technical oversight of the complete well engineering process, from field development concepts and well planning through execution and post-well evaluation.
• Review and advise on well designs, drilling and completion programs, well integrity strategies, and operational plans.
• Evaluate engineering calculations and analyses, including casing design, hydraulics, torque and drag, well control, and relief well planning.
• Review risk assessments, cost estimates, schedules, tender packages, contractors' proposals, and technical deliverables.
• Monitor offshore drilling progress and well performance, providing technical guidance when operational challenges arise.
• Ensure compliance with HSE requirements, regulatory obligations, approved well engineering standards, and international industry practices.
• Safeguard well integrity throughout planning, drilling, completion, and post-well activities.
• Collaborate with subsurface, subsea, completions, project teams, international operators, contractors, suppliers, and regulatory authorities. 
• Participate in design reviews, technical workshops, peer reviews, HAZOPs, HAZIDs, and risk mitigation activities.
• Review well outcomes, capture lessons learned, and identify opportunities to improve safety, performance, cost efficiency, and engineering standards. 
• Support the development of internal policies, procedures, codes, and technical guidelines.
• Coach and mentor engineers while contributing to technical knowledge sharing across multidisciplinary teams. 

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We are looking for a Senior Production Engineer (Non-operating) who provides technical assurance and production engineering expertise across deepwater field development, start-up, and operations, helping multidisciplinary asset teams optimise well performance and make sound technical decisions.

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In this non-operating role, you will review, advise, and influence production engineering activities rather than manage day-to-day offshore operations directly.

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Tasks & responsibilities:

• Provide technical assurance and advice on deepwater production engineering, well performance, and production optimisation.
• Review and challenge production strategies for well start-up, ramp-up, gas lift, production surveillance, well interventions, and workovers.
• Develop, review, and maintain wellbore and surface network models to support field development, production forecasting, and operational decision-making.
• Perform production engineering analyses, including NODAL analysis, well testing, production optimisation, and formation-damage assessment.
• Review flow assurance and chemical treatment strategies for hydrates, scale, corrosion, and emulsions.
• Support field-development activities during commissioning, start-up, ramp-up, and operational execution.
• Assess production risks, review mitigation measures, and identify opportunities to improve well performance, reliability, and production efficiency. 
• Translate complex production data and modelling results into clear technical recommendations for multidisciplinary teams and stakeholders.
• Collaborate with reservoir, wells, facilities, operations, and project teams throughout the offshore asset lifecycle.
• Ensure production engineering recommendations comply with HSE requirements and applicable industry standards.

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We are looking for a Construction Manager to lead multidisciplinary construction and commissioning activities, ensuring the safe, timely, and successful delivery of complex refinery revamp works. 

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Tasks & responsibilities:

• Lead and manage all on-site construction activities throughout the refinery revamp project.
• Coordinate multidisciplinary construction teams across Static Equipment, Piping, Structural, and Electrical & Instrumentation (E&I) disciplines.
• Ensure compliance with HSE requirements, refinery procedures, and project quality standards.
• Drive construction progress and maintain focus on safety, productivity, and schedule adherence.
• Manage contractors, supervisors, and discipline leads to ensure effective execution of project activities.
• Monitor project schedules, manpower, resource allocation, and construction performance.
• Resolve technical and operational challenges in a fast-paced project environment.
• Report progress, risks, and mitigation measures to project management.
• Support mechanical completion activities and manage punch-list closure.
• Coordinate closely with commissioning teams to ensure smooth system handovers.
• Support pre-commissioning, commissioning, start-up, and asset handover activities.
• Facilitate effective communication between construction and commissioning disciplines. 

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We are looking for a Senior Petroleum Systems Modeling Consultant (Onsite) to provide advanced technical expertise in Petroleum Systems Modeling (PSM), basin analysis, and subsurface de-risking to support offshore exploration and appraisal activities in a frontier offshore basin.

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Tasks & responsibilities:

• Lead and execute Petroleum Systems Modeling (PSM) and basin modeling studies for offshore exploration projects.
• Build, interpret, and validate petroleum system models using Petromod and related geoscience tools.
• Perform play-based exploration studies, lead and prospect evaluations, including:
  • Risk & uncertainty assessments
  • Volumetric/resource calculations
  • Prospect maturation activities
• Conduct:
  • Stratigraphic analyses
  • Sedimentological studies
  • Depositional environment interpretation
  • Post-well analyses
• Ensure quality assurance of:
  • Basin models
  • Petroleum system models
  • Play & prospect portfolios
• Integrate geological, geophysical, and subsurface data into clear technical recommendations and exploration insights. 
• Support technical workshops, peer reviews, peer assists, and basin promotion activities.
• Translate complex geological information into understandable insights for both technical and non-technical stakeholders.
• Collaborate closely with multidisciplinary offshore exploration teams across multiple E&P phases.
• Coach and mentor geoscientists while contributing to technical development and knowledge sharing. 

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We are looking for a Team Lead Open Acreage Management who drives offshore exploration growth by identifying, de-risking, and developing open acreage opportunities through geological and geophysical studies, data acquisition, and strategic portfolio development. 

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Tasks & responsibilities:

• Lead and develop a team of 4-8 geoscientists, aligning expertise with project needs.
• Conduct geological & geophysical (G&G) studies to assess risks and opportunities in open acreage.
• Build and mature play and prospect portfolios to support exploration strategy.
• Define and manage data acquisition programs to further de-risk offshore acreage.
• Identify and support basin studies to enhance exploration value.
• Promote exploration opportunities and manage acreage offerings (bid rounds, direct negotiations).
• Support commercial evaluations, including PSC terms and contract negotiations.
• Develop and manage project plans, milestones, and budgets for the team.
• Collaborate closely with internal departments (exploration, development, commercial, legal, etc.).
• Manage relationships with external stakeholders, including operators, partners, and investors. 

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As Lead Mechanical Completion / Lead Commissioning Engineer, you will be responsible for leading all activities related to mechanical completion, pre-commissioning, and commissioning preparation. You will play a central role in developing and reviewing commissioning procedures, ensuring that systems are safely and efficiently brought online according to project standards and client requirements.

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We regularly seek experienced HSE Supervisors with approximately 10 years of experience in HSE supervision, with a focus on industrial projects.

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We welcome applicants from all countries. Please note that your tasks and responsibilities may vary per project and client.

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Tasks & responsibilities: 

• Develop and implement HSE plans, policies, and procedures for industrial projects. 
• Conduct HSE training and awareness programs that promote a culture of safety.
• Supervise and monitor HSE performance on project sites, and identify and resolve issues. 
• Conduct safety audits and inspections. 
• Interact with clients and other stakeholders to ensure project HSE goals are met. 
• Ensure that projects are completed in compliance with local and international HSE regulations. 
• Develop and maintain a positive working relationship with clients, contractors, and subcontractors. 
• Participate in project meetings and provide regular updates on HSE progress. 
• Prepare and submit HSE reports as required. 

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We regularly seek Supervisors E&I with approximately 10 years of experience in electrical and instrumentation supervision, with a focus on industrial projects. 

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We welcome applicants from all countries. Please note that your tasks and responsibilities may vary per project and client.

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Tasks & responsibilities: 

• Supervise electrical and instrumentation activities for industrial projects such as oil & gas and refineries. 
• Ensure that work is performed safely and to the highest quality standards.
• Coordinate with contractors and subcontractors to resolve technical issues. 
• Interact with clients and other stakeholders to ensure project goals are met. 
• Develop and maintain a positive working relationship with clients, contractors and subcontractors. 
• Participate in project meetings and provide regular updates on project progress.
• Review and approve submittals and technical drawings. 
• Ensure that all electrical and instrumentation activities comply with applicable codes and standards.

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We regularly seek Construction Engineers with at least 5 years of experience in construction engineering, with a focus on industrial projects. 

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We welcome applicants from all countries. Please note that your tasks and responsibilities may vary per project and client.

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Tasks & responsibilities: 

• Provide technical support to construction activities for industrial projects, such as oil & gas, refinery, and furnace. 
• Ensure that work is performed safely, within budget, and to the highest quality standards. 
• Review and approve submittals and show drawings. 
• Assist in the development of construction schedules and method statements.
• Coordinate with contractors and subcontractors to resolve technical issues. 
• Interact with clients and other stakeholders to ensure project goals are met. 
• Ensure that projects are completed on time and within budget. 
• Develop and maintain a positive working relationship with clients, contractors, and subcontractors. 
• Participate in project meetings and provide regular updates on project progress. 

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We regularly seek QC Inspectors Structural with at least 5 years of experience in quality control inspection with a focus on structural systems. 

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We welcome applicants from all countries. Please note that your tasks and responsibilities may vary per project and client. 

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Tasks & responsibilities: 

• Perform quality control inspections on structural systems for industrial projects.
• Ensure that work is performed safely and to the highest quality standards.
• Inspect materials, equipment and systems to ensure compliance with plans and specifications.
• Review and approve submittals and show drawings. 
• Ensure that all construction activities comply with applicable codes and standards. 
• Maintain accurate inspection records and prepare inspection reports.
• Interact with clients and other stakeholders to ensure project goals are met. 
• Develop and maintain a positive working relationship with contractors and subcontractors. 

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Our projects are located worldwide, and we welcome applicants from all countries. Please note, your tasks & responsibilities may vary per project and client. 

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Tasks & responsibilities: 

• Oversee the construction of piping, mechanical and structural systems for industrial projects. 
• Ensure that work is performed safely, within budget, and to the highest quality standards. 
• Lead and manage a team of supervisors, technicians, and other personnel. 
• Manage the ordering and delivery of materials and equipment.
• Interface with clients and other stakeholders to ensure project goals are met. 
• Ensure that projects are completed on time and within budget. 
• Develop and maintain a positive working relationship with clients, contractors, and subcontractors. 
• Participate in project meetings and provide regular updates on project progress.

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We regularly seek experienced Structural Supervisors for several projects. As a Structural Supervisor, you will be responsible for overseeing the construction of structural systems. The ideal candidate will have approximately 10 years of experience in structural design and construction. 

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Our projects are located worldwide, and we welcome applicants from all countries. Please note, your tasks & responsibilities may vary per project and client. 

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Tasks & responsibilities: 

• Oversee the construction of structural systems for Oil & Gas, Refinery, and Furnace projects. 
• Ensure that work is performed safely, within budget, and to the highest quality standards. 
• Lead and manage a team of structural engineers and designers involved in the project. 
• Manage the ordering and delivery of materials and equipment.
• Interface with clients and other stakeholders to ensure project goals are met. 
• Ensure that projects are completed on time and within budget. 
• Develop and maintain a positive working relationship with clients, contractors, and subcontractors. 
• Participate in project meetings and provide regular updates on project progress. 

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We regularly seek experienced Supervisors in Piping & Mechanical for several projects worldwide. As a Supervisor of Piping and Mechanical, you will be responsible for overseeing the construction and installation of piping and mechanical systems. The ideal candidate will have approximately 10 years of experience working in Oil and gas, Refinery, and Furnace projects. 

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We welcome applicants from all countries. Please note, your tasks & responsibilities may vary per project and client. 

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Tasks & responsibilities: 

• Oversee the installation and construction of piping and mechanical systems for Oil & Gas, Refinery, and Furnace projects.
• Ensure that work is performed safely, within the field, and to the highest quality standards. 
• Lead and manage a team of multidisciplinary Engineers who are also involved in the project. 
• Manage the ordering and delivery of materials and equipment. 
• Interact with clients and other stakeholders to ensure project goals are met. 
• Ensure that projects are completed on time and within budget. 
• Develop and maintain a positive working relationship with clients, contractors and subcontractors. 
• Participate in project meetings and provide regular updates on project progress.