Senior / Principal Hydrologist

Senior / Principal Hydrologist

Permanent | Cork, Dublin or Carlow | Hybrid Options Available

Ocean to Earth Recruitment is proud to partner with a leading Irish consultancy specialising in sustainable infrastructure, environment, energy, and renewables. We are currently seeking an experienced Senior / Principal Hydrologist to join a well-established and growing Sustainable Infrastructure team.

This role is ideal for a motivated professional with 8+ years’ experience who is looking to take the next step in their career, broaden their technical and leadership skills, and contribute to high-profile infrastructure and renewable energy projects across Ireland.

The Role

As a Senior / Principal Hydrologist, you will play a key role in project delivery, technical leadership, and business growth. You will work closely with multidisciplinary teams, providing expert input across hydrology, drainage, hydrogeology, and environmental assessments.

The position offers a clear pathway for career progression, along with opportunities to lead projects, mentor junior staff, and influence the continued development of the hydrology function.

Key Responsibilities

• Provide technical leadership across drainage, hydrology, hydrogeology, and geoscience teams

• Prepare and review technical reports and designs for hydrology, drainage, EIAs, licensing, and compliance

• Lead the preparation of Hydrology and Water Quality chapters for EIARs on large-scale infrastructure projects

• Prepare and review Flood Risk Assessments (Stages I, II & III)

• Design and coordinate environmental sampling and monitoring programmes

• Undertake and oversee field-based works including surface water and groundwater monitoring

• Manage projects and designs in compliance with health, safety, and quality standards

• Maintain and develop technical expertise through ongoing CPD

• Contribute to tenders, proposals, and business development activities

• Liaise effectively with clients, regulators, and external stakeholders

About You

• Honours degree in Environmental Engineering, Civil Engineering, Geoscience, or a related discipline

• Minimum of 8 years’ relevant professional experience

• Strong experience in Flood Risk Assessment and hydrology-led project delivery

• Proven experience preparing Hydrology and Water Quality chapters for EIARs

• Experience with Water Framework Directive Compliance Assessments

• Experience designing surface water management systems for runoff and pollution control

• Strong understanding of environmental legislation and guidance

• Excellent analytical, technical, and communication skills

• Fluent spoken and written English

• Full clean driving licence

Desirable:

• Chartered (or working towards chartership) with a relevant professional body

• Postgraduate / MSc qualification

• Experience on large-scale infrastructure or renewable energy projects

• Strong commercial awareness and client-facing experience

What’s on Offer

This role offers a competitive salary and comprehensive benefits package, including:

• Dedicated CPD support, including paid CPD learning days

• Clear and structured career progression pathways

• Flexible and hybrid working arrangements

• Generous annual leave and additional company days

• Wellbeing supports covering physical and mental health

• Support for professional membership fees

• Family-friendly policies and enhanced leave options

• A positive, inclusive, and collaborative workplace culture

Apply Now

If you’re ready to take the next step in your hydrology career, Ocean to Earth Recruitment would love to hear from you.

All applications are handled in strict confidence.