ERM Italy is seeking a motivated Senior Consultant with focus on Hydrogeological Modelling & Contaminated Site Management to join our growing Liability Portfolio Management and Remediation Team in Italy. Our offices are based in Milan although we offer flexible working arrangements as well. For this role we are looking for someone with relevant experience in numerical modelling of groundwater flow and contaminant transport, as well as in contaminated site management, developed through work on complex case studies. The ideal candidate has in-depth knowledge of the latest versions of MODFLOW and PEST, and proven experience in managing contaminated sites.
Key Responsibilities

Development and calibration of numerical models for groundwater flow and contaminant transport, including technical reporting, for both Italian and international projects.
Support for site characterization and remediation projects.
Active participation in ERM's technical communities.
Preparation of technical documentation and presentation of results to clients.

Required Skills

Advanced knowledge of the latest versions of MODFLOW (Modflow-USG / Modflow 6).
Solid experience using PEST for model calibration.
Strong background in hydrogeology.
Knowledge of hydrochemistry, including key degradation mechanisms of aqueous‑phase contaminants.
Skills in geo‑statistics.
Proficiency with GIS software (QGIS or ArcGIS).
Excellent command of English, both written and spoken.

Preferred Qualifications

Programming experience in Python, especially with FloPy.
Familiarity with Feflow.
Basic and multivariate statistics.
Proactive, curious, and problem‑solving mindset.
Ability to work effectively in international and multidisciplinary teams.
Flexibility and autonomy in remote work.

What We Offer
Integration into a local team based in Milan, part of a global network of experts.
Access to international technical communities and professional growth opportunities.
A dynamic, collaborative, and innovation‑driven work environment.
Flexible and remote‑friendly.
To Apply
We aim to build an inclusive culture by identifying, acquiring, developing, and retaining a highly skilled and high performing workforce which reflects the diverse global marketplace in which we operate, regardless of gender, ethnicity, religious preference, sexual orientation, physical attributes, educational background. If you share our value and are interested in this role, please send your CV and cover letter (in Italian or English) with your salary expectations.
ERM is committed to creating an inclusive workplace where everyone feels valued, respected, and empowered to thrive, it's an essential part of what makes ERM a great place to build a career and helps us create better solutions for our clients. We welcome talent from all backgrounds and provide equal opportunities for every candidate. If you have a disability, are neurodivergent, or need accommodations during the selection process, we're here to support you. Our commitment doesn't stop at hiring. Once you join us, we'll ensure you have the tools, support, and adjustments needed to succeed and feel a true sense of belonging. Learn more about our Diversity, Inclusion & Belonging (DIB) efforts by visiting our website or exploring our 2025 Sustainability Report.
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