Hydraulics Engineer – Water Services

Job Reference: 251623

Upstream


Start Date: 01/09/2026
Applications close on: 28/08/2026
Contract Type: Contract
Country: Saudi Arabia
Discipline: Hydraulics
Job Contact: [email protected]

Our Client in Saudi Arabia is looking to hire a Hydraulics Engineer for a large project in the Kingdom.

Minimum experience requirement: 15 years. This is a mandatory screening criterion.

Role Summary

We are seeking a Hydraulics Engineer (Design) to lead Task C — Assessment and Update of the Design Package for the city’s dewatering systems. The role assesses and modernizes the design criteria, methodology, specifications and tender documents, and analyzes dewatering-system alternatives to recommend the optimum system for each area.

This is the hydraulic-design authority for the program: it owns the dewatering design standards, produces reusable tender packages, reviews third-party technical submittals, delivers urgent detailed designs on request, and investigates water-rise complaints to propose practical solutions. The role’s hydraulic expertise also informs the water-balance and modeling tasks.

Accountability

The Hydraulics Engineer is accountable for a modernized, defensible dewatering design package — criteria, specifications and tender templates — for optimum-system recommendations per area, for timely review of third-party submittals and urgent designs, and for hydraulic input consistent with the water-balance and modeling tasks.

Key Competencies

Dewatering design – Owns design criteria, methodology and specifications for dewatering and drainage systems.

Alternatives analysis – Selects the optimum dewatering system per area against governing parameters.

Tender packages – Produces reusable, review-ready design templates and tender documents.

Submittal review – Reviews and approves third-party designs and running-project changes.

Hydraulic modeling – Supports design with 1D network and 2D overland-flow analysis.

Value engineering – Targets whole-of-life effectiveness and cost across design choices.

Core Responsibilities (Task C)

1.1 Design-Package Assessment & Update

  • Revise and assess the current design package — design criteria, methodology, specifications, drawings, details, materials and tender documents.
  • Update the design package to the newest technologies and establish design templates and tender documents for future projects.
  • Design a detailed integrated training program (design, modeling, monitoring) for client staff.

1.2 Dewatering-System Alternatives & Optimization

  • Analyze alternative dewatering systems and recommend the optimum system(s) for each area of the city against the governing parameters, with special attention to eastern Riyadh.
  • Manage all available dewatering systems in one editable GIS map with unified symbols and data appearance, extendable for new projects.
  • Evaluate existing dewatering projects’ efficiency in water-table control to inform the recommended approach.

1.3 Submittal Review & Urgent Designs

  • Review and approve technical submittals sent by other parties (consultants, investors), including design changes on running construction projects.
  • Deliver small and medium detailed designs of dewatering systems for areas requiring urgent improvement, including site verification where needed.
  • Investigate water-rise complaints, determine the cause, and propose practical solutions where groundwater rise is confirmed.

1.4 Hydraulic Modeling Support & Integration

  • Provide 1D dewatering pipe/canal and 2D overland-flow hydraulic representation to support design decisions and the interface with the numerical groundwater model.
  • Apply the value-engineering concept across design activities so investment targets the greatest benefit per unit cost.
  • Apply the value-engineering concept across design activities so investment targets the greatest benefit per unit cost.

Task C Deliverables the Role Leads

The Hydraulics Engineer leads the Task C deliverables across the program term (*urgent packages are due three months after each client request):

Task C Deliverable / Content the Role Leads

Task Inception Report / Methodology, assessment of current design methodology, action plan. Term M2

Tender-Document Templates & Updated Package / Updated design criteria, specifications and reusable tender templates. Term M8

Urgent Tender Package(s) / Complete detailed-design tender packages for urgent areas, on client request. Term M+3*

Task Completion Report / User manual, training, package evaluation and closeout. Term M12

Minimum Qualifications & Experience

A minimum of fifteen (15) years of professional experience in hydraulic and dewatering-system design is required, consistent with the program’s Category B requirement (15+ years, degree and accredited professional membership). Candidates below this threshold will not be considered.

  • 15+ years in hydraulic design of dewatering, drainage and groundwater-lowering systems (slotted-pipe/subsurface drains, wellpoint systems, canals and culverts).
  • Degree (Master’s preferred) in civil, water-resources, hydraulic or environmental engineering, with accredited professional membership.
  • Strong command of design criteria, methodology and specifications for dewatering and drainage infrastructure, and of tender-document preparation.
  • Proven ability to analyze alternative dewatering systems and recommend the optimum solution per area against governing parameters.
  • Experience reviewing and approving third-party technical submittals and design changes on running construction projects.
  • Hydraulic modeling competence (1D pipe/canal/wadi flow, 2D overland/rainfall-runoff) to support design decisions and the numerical model interface.
  • Familiarity with the special conditions of eastern Riyadh and with value-engineering of infrastructure solutions.

Benefit of Working with Visuna?

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  • Increased exposure to potential clients and more placement opportunities
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