Senior Groundwater Numerical Modeller Role | Apply now!

JOB DETAILS

📌 Job Title: Senior Groundwater Numerical Modeller
🏢 Company: Allen & York (On behalf of a Leading Environmental Consultancy)
🏬 Industry: Mining & Environmental Consulting
📍 Location: Johannesburg, Gauteng, South Africa
🕒 Employment Type: Full Time | Permanent
🌍 Region: International (Africa-focused projects)
🆔 Reference Number: BBBH30440_1767626906

COMPANY OVERVIEW

Allen & York is a specialist recruitment partner delivering sustainable recruitment solutions since 1993. They work with purpose-led organisations that address climate change, environmental stewardship, and responsible resource management.

This role is with a leading environmental consultancy known for delivering technically robust solutions across mining, environmental impact assessments, and sustainable water resource management throughout Africa and internationally.

JOB OVERVIEW

The Senior Groundwater Numerical Modeller will play a critical technical leadership role within the consultancy’s Johannesburg-based team. The position focuses on the design, development, calibration, and interpretation of advanced numerical groundwater models to support mining projects, environmental assessments, and regulatory compliance.

This role is suited to a highly experienced hydrogeologist who thrives on complex technical challenges, multidisciplinary collaboration, and mentoring junior professionals while contributing strategic insight to water-related projects.

KEY RESPONSIBILITIES

💧 Groundwater Modelling & Analysis

• Develop conceptual models and numerical groundwater simulations using tools such as MODFLOW, MT3D, and FeFLOW.

• Model groundwater flow and contaminant transport to support mining and environmental decision-making.

📊 Hydrogeological Investigations

• Conduct groundwater impact assessments, water supply studies, and contamination investigations.

• Collect, analyse, and interpret hydrogeological data including geophysics, hydraulic testing, and hydrogeochemistry.

• Support well design and evaluate aquifer performance through pumping and hydraulic tests.

🧩 Project Leadership & Integration

• Lead or contribute to project planning, budgeting, reporting, and client engagement.

• Integrate groundwater modelling outputs into Environmental Impact Assessments (EIAs).

• Support regulatory submissions, including water use licensing applications.

👥 Technical Leadership & Collaboration

• Provide mentorship, training, and technical guidance to junior team members.

• Collaborate with multidisciplinary specialists across environmental, mining, and engineering teams.

• Contribute strategic input to complex, high-value projects across multiple geographies.

QUALIFICATIONS & EXPERIENCE

Education

• BSc (Hons) in Hydrogeology or a related discipline with Geology as a major.

• Additional qualifications in Chemistry or Mathematics (Advantageous).

Professional Experience

• Minimum of 10 years’ experience in numerical groundwater modelling.

• Proven expertise in groundwater flow and contaminant transport modelling.

• Experience supporting mining-related studies and environmental assessments.

Technical Skills

• Strong experience with MODFLOW, MT3D, FeFLOW, or similar modelling platforms.

• Solid understanding of hydrogeochemistry, well design, and hydraulic test interpretation.

• Registered with a relevant professional body.

• Valid driver’s licence with willingness to travel across Africa and internationally.

WHY APPLY?

• Work on complex, high-impact groundwater and environmental projects.

• Contribute to sustainable resource management across Africa and beyond.

• Join a globally active, sustainability-driven organisation.

• Competitive salary, performance-based incentives, and potential equity participation.

• Strong opportunities for professional growth, leadership development, and technical advancement.

CV TIPS FOR THIS ROLE

• Highlight years of numerical groundwater modelling experience clearly.

• Specify modelling software proficiency and project scale.

• Include examples of mining, EIA, and regulatory support work.

• Demonstrate leadership, mentoring, and client-facing experience.

• Emphasise international or multi-region project exposure if applicable.

COMPANY POLICY

Allen & York and its clients are committed to building inclusive, diverse, and equitable workplaces. Applications are welcomed from all suitably qualified candidates regardless of race, gender, age, disability, religion, or sexual orientation. Employment decisions are based solely on merit, qualifications, and experience, in line with applicable employment legislation.