Principal Hydraulics & Drainage Engineer — Hybrid Opportunity

AECO; Kraków; Hybrid; PLN 180,000 - 320,000; Full time

Job summary

AECOM is seeking a Principal Engineer - Hydraulics and Drainage in Krakow to lead hydrological assessments informing flood risk management and infrastructure design. The role includes directing rainfall-runoff modelling, catchment analysis, and regulatory compliance across major projects within a diverse team.

You will mentor junior staff, oversee modelling outputs, and provide clients with drainage strategy and environmental permitting guidance, contributing to a global portfolio of water

Qualifications

• Over 10 years of hydrological consultancy experience.
• Experience with UK guidance like FEH and EA.
• Proven ability to lead multidisciplinary projects.
• Fluent in English, both oral and written.

Responsibilities

• Lead hydrological assessments for flood risk and infrastructure design.
• Provide technical direction on rainfall-runoff modelling and catchment analysis.
• Review modelling outputs for quality and regulatory compliance.
• Mentor junior hydrologists and support knowledge sharing.
• Advise clients on flood risk policy and permitting.

Skills

Hydrological assessments

Flood risk analysis

Project leadership

UK guidance

Modelling tools

English fluency

Education

Civil/Environmental/Water Eng degree

Tools

Hydrological modelling tools

Data analysis software

Job description

AECOM is seeking a Principal Engineer - Hydraulics and Drainage in Krakow to lead hydrological assessments informing flood risk management and infrastructure design. The role includes directing rainfall-runoff modelling, catchment analysis, and regulatory compliance across major projects within a diverse team.

You will mentor junior staff, oversee modelling outputs, and provide clients with drainage strategy and environmental permitting guidance, contributing to a global portfolio of water