Hydraulic Engineer

• Design and calculate pressure ratings, flow rates, and diameter requirements for HDPE pipe systems based on customer specifications and project needs
• Perform hydraulic calculations including friction losses, pressure drops, flow velocities, and surge analysis for water transmission and distribution networks
• Develop technical drawings, schematics, and bill of quantities (BOQ) for HDPE pipe installation projects
• Select appropriate pipe grades (PE80, PE100) and pressure ratings (PN6 to PN20) based on application requirements
• Design fitting layouts including elbows, tees, couplers, reducers, and flanges for complete pipeline systems

• Provide pre-sales technical support to the Sales Department by visiting customer sites and assessing project requirements
• Prepare technical proposals, specifications, and cost estimates for HDPE pipe and water supply projects contracts
• Conduct technical presentations and training sessions for customers, contractors, and government entities on HDPE pipe applications and installation methods
• Respond to technical inquiries from customers regarding pipe performance, durability, and installation standards

• Develop and implement hydraulic testing procedures for finished HDPE pipes including pressure testing, leak testing, and flow testing
• Conduct in-house quality control for pressure tolerance, diameter accuracy, and material consistency
• Review and approve factory test reports before product dispatch to customers
• Investigate customer complaints related to pipe performance and recommend corrective actions

• Provide on-site technical supervision during HDPE pipe installation for major projects
• Train installation teams on proper joining methods including butt fusion, electrofusion, and mechanical connections
• Conduct site inspections to ensure installation complies with engineering standards and project specifications
• Perform field pressure testing and leak detection for installed pipeline systems

• Stay updated on industry standards including ISO, ASTM, and local regulations for HDPE pipes
• Recommend improvements to manufacturing processes based on hydraulic performance data
• Develop new product applications and identify market opportunities for HDPE pipe systems
• Collaborate with production team to optimize pipe dimensions and pressure ratings for specific applications

• Prepare and maintain technical documentation including design calculations, test reports, and project records
• Submit weekly and monthly technical reports to the Production Manager
• Maintain a database of completed projects, customer specifications, and performance data
• Prepare as-built drawings and operation manuals for completed pipeline projects

• Ensure all HDPE pipe applications comply with national and international standards for water and gas distribution
• Advice on safety requirements for pipe installation including trenching, handling, and fusion procedures
• Conduct risk assessments for pipeline projects and recommend mitigation measures

• Bachelor's degree in civil engineering, Mechanical Engineering, Hydraulic Engineering, or a related field
• Master's degree in Hydraulic Engineering, Water Resources Management, or equivalent
• Professional certification in pipeline design, fluid mechanics, or HDPE technology

• Minimum 5-8 years of relevant experience in hydraulic engineering, fluid mechanics, or pipeline design
• Experience with HDPE pipe systems, water supply networks, or irrigation projects
• Experience in manufacturing, construction, or infrastructure development companies
• Experience with hydraulic modeling software (EPANET, WaterCAD,WaterGEMS HEC-RAS, or similar)

• Strong understanding of fluid mechanics, hydraulics, and pipeline design principles
• Knowledge of HDPE pipe properties including PE80 and PE100 grades, pressure ratings (PN6 to PN20), and temperature effects
• Ability to perform hydraulic calculations including Darcy-Weisbach, Hazen-Williams, and Manning's equations
• Familiarity with HDPE pipe joining methods including butt fusion, electrofusion, and mechanical connections
• Knowledge of industry standards including ISO 4427, ASTM F714, and local water supply regulations
• Proficiency in AutoCAD or similar drafting software for pipeline layout design
• Working knowledge of hydraulic modeling software (EPANET, WaterCAD, or equivalent)
• Proficiency in Microsoft Excel for engineering calculations and data analysis

• Strong analytical and problem-solving skills for complex hydraulic challenges
• Attention to detail in design calculations and technical documentation
• Effective communication skills to explain technical concepts to non-engineers
• Ability to work independently and make technical decisions in the field
• Team collaboration with production, sales, and quality control departments
• Willingness to travel to customer sites and project locations

• English: Fluent (reading, writing, speaking) - required for technical documentation and international standards
• Dari or Pashto: Fluent - required for field communication with local contractors, customers, and installation teams

• Must be an Afghan national (company is 100% Afghan-owned)
• Valid driving license (preferred for site visits to remote project locations)
• Willing to work occasional overtime during project deadlines and urgent site issues
• Physical ability to conduct site inspections including walking on uneven terrain

• Updated CV or Resume (maximum 4 pages)
• Cover letter

Gold Water Pipe Manufacturing Company (GWPMC)