The Role
We are seeking an experienced WSMD Analyst to join Mercuria's Metals Operations team in Geneva. The successful candidate will serve as the technical and operational backbone for all weighing, sampling, moisture determination, and assaying activities across our concentrates portfolio. This hands-on role demands deep field expertise, strong analytical discipline, and the ability to operate independently across multiple geographies.
This position requires regular international travel—typically several weeks per month (up to 50%)—to audit, review, and support blending and WSMD operations at smelters, ports, and warehousing facilities across Europe, Asia, Latin America, and Africa.
Key Responsibilities
WSMD Operations & Contract Management
- Interpret and operationalise WSMD terms within commercial contracts, including settlement structures, lot sizes, sample frequency, moisture determinations, and applicable ISO standards.
- Oversee and quality-assure weighing, sampling, and moisture determination processes at third-party facilities to ensure accuracy in commercial settlements.
- Reconcile assay results and data from multiple sources to ensure quality and integrity in transactions, identifying and investigating discrepancies.
- Lead and support dispute resolution processes related to WSMD outcomes, including the preparation of technical claims.
- Draft, review, and enforce Standard Operating Procedures (SOPs) for all WSMD activities in alignment with industry best practices and ISO methodologies.
Blending Operations
- Design, commission, and operationalise blending facilities from scratch for copper, gold, lead, and zinc concentrates.
- Manage day-to-day blending operations, including stock planning, blend sequencing, cost management, and output quality control.
- Identify and drive blending optimisation opportunities to maximise value recovery and reduce per-tonne operational costs.
Field Auditing & Quality Assurance
- Conduct international operational audits of WSMD and blending activities at warehouses, ports, and smelter sites on a monthly basis.
- Assess compliance of third-party operators with contractual WSMD terms, ISO sampling standards, and Mercuria SOPs.
- Produce structured audit reports featuring clear findings, risk flags, and actionable recommendations for internal and external stakeholders.
Reporting & Analytics
- Generate regular operational reports on WSMD performance, blending outcomes, cost variances, and value recovery metrics for senior management and trading desks.
- Maintain accurate operational records and data systems while supporting the continuous improvement of reporting frameworks.
- Provide technical input and briefings to traders, originators, and logistics teams on WSMD-related risks.
Your Profile
Experience
- 10+ years of hands-on experience in WSMD roles within the metals concentrates or mining sector, showcasing a proven track record of operational accountability.
- Demonstrated experience in designing, commissioning, and managing blending facilities for one or more of: copper, gold, lead, or zinc concentrates.
- Ability to work across multiple geographies, including managing third-party service providers in diverse regulatory and operational environments.
- A background at a major commodity trading house, mining company, or large-scale terminal operator is strongly preferred.
Technical Knowledge
- In-depth understanding of industry-standard WSMD methodologies, including mechanical sampling systems, manual sampling protocols, sample reduction techniques, sample drying, and moisture determination.
- Strong knowledge of relevant ISO standards (ISO 12743, ISO 3082, ISO 10251, and related series) and their practical application in field environments.
- Familiarity with common sampling tools and equipment used in port, warehouse, and smelter contexts.
- Ability to identify sources of sampling bias, measurement error, and process deviations and quantify their commercial impact.
Soft Skills & Competencies
- Excellent reporting and written communication skills, capable of producing clear, concise technical reports for both specialist and non-specialist audiences.
- Structured analytical thinking with a data-focused, results-driven mindset.
- Comfortable operating autonomously in field environments and making independent judgments under time pressure.
- Collaborative and credible in cross-functional environments, effectively engaging with traders, logistics counterparts, legal teams, and external surveyors.
- Willing and able to travel internationally consistently—typically multiple weeks per month.
Languages
- Full professional proficiency in English and Spanish.
Apply online using the form below. Only applications matching the job profile will be considered.