Jobs at Mariana Minerals

Leads and manages ML engineers working across computer vision, robotics, agentic workflows, and ML platform infrastructure. Owns technical direction, hiring, team development, roadmap commitments, production deployment, monitoring, incident response, reliability, and cross-functional collaboration with product and software engineering teams. This player-coach role requires hands-on oversight of production ML systems, platform architecture, evaluation, safety, and operational quality.

Own applied statistical analysis for mineral processing operations, including experimental design, metric definitions, uncertainty quantification, process control, forecasting, reporting, and dashboards. Analyze messy sensor, assay, laboratory, and plant data to support production, cost, supplier, and capacity decisions. Partner with data platform teams, improve analytical rigor across the company, and communicate findings clearly to operators, engineers, and executives.

Own the product strategy, roadmap, prioritization, and production readiness for Mariana Minerals’ ML platform, simulators, perception systems, and industrial robotics initiatives. Translate operator and engineering needs into specifications, KPIs, and shippable work; align stakeholders across applied AI/ML, software engineering, and plant operations; and define trusted deployment standards for models, simulators, and robots supporting autonomous chemical and industrial processes.

Leads business performance management for the Lithium business by integrating operational KPIs with financial metrics. Partners with Finance on budgeting, forecasting, and variance analysis; supports greenfield project development processes; drives cross-functional process improvements and ISO 9001 certification; builds reporting and digitization infrastructure; and owns executive reporting. The role requires close collaboration with frontline operations, business development, finance, software, and data teams in an industrial environment.

Operates mineral exploration and mining drilling rigs, including RC, diamond core, and air rotary systems. Conducts inspections, servicing, troubleshooting, drilling alignment, parameter adjustments, and sample or core recovery. Maintains accurate logs and production reports, follows health, safety, and environmental requirements, and responds to changing site conditions. Leads drill helpers, maintains clean work areas, and works extended shifts at remote outdoor locations.

Own the roadmap and product direction for the data platform, analytics, data science tooling, and AI-driven workflows. The role involves stakeholder discovery, prioritization, product specifications, KPI definition, build-versus-buy decisions, data integration standards, prototyping, and driving agentic tools from proof of concept to production. The Technical Product Manager will bring structure to ambiguous initiatives, align technical and business stakeholders, and establish supported, scalable software practices.

Lead architectural design for commercial and industrial buildings and assets from requirements through construction support. Develop concepts, specifications, drawings, reports, and safe designs; collaborate with engineering, construction, and design teams; support permitting and project scheduling; improve architectural practices; and contribute to internal software tools. The role may serve as architect of record and requires managing multiple projects in deadline-driven environments.

Source and attract specialized engineering talent across chemical, mechanical, process, industrial, manufacturing, and materials disciplines. Develop targeted searches, engage passive candidates, conduct talent mapping and market research, partner with engineering leaders, track sourcing metrics, improve recruiting processes, build diverse pipelines, and strengthen the employer brand and candidate experience.

Lead controls programming, equipment engineering, plant automation, and mineral refining project execution from concept through commissioning and operations handoff. Manage external providers and cross-functional technical teams, support junior engineer development, build technoeconomic models, prepare financing deliverables, and identify software and machine-learning opportunities for automating capital projects and optimizing plant controls.

Lead Mariana Minerals’ finance organization across FP&A, accounting, controllership, treasury, audit, budgeting, forecasting, reporting, and financial systems. Partner with executives, project leaders, investors, and the board on capital allocation, financial modeling, and growth planning. Strengthen internal controls, technical accounting, and finance infrastructure while scaling the team and supporting future fundraising and public-company readiness.

Own process design bases and detailed engineering deliverables for industrial mineral-processing facilities. Develop PFDs, heat and material balances, P&IDs, hydraulic models, equipment specifications, control narratives, and procurement packages. Coordinate with multidisciplinary engineering teams, support HAZOPs, and resolve construction and commissioning issues through startup and as-built closeout. The role requires applying process engineering fundamentals to pumps, valves, tanks, separation equipment, slurry systems, and related plant infrastructure.

Develop sourcing strategies for highly technical roles, identify and engage passive candidates, conduct talent mapping and market research, partner with engineering leaders, build specialized candidate pipelines, track sourcing metrics, improve recruiting processes, and strengthen the employer brand and candidate experience.

Designs and executes hydrometallurgical experiments at laboratory and pilot scale. Operates reactors, filtration, separation, and purification equipment; monitors process parameters; prepares reagents; collects and analyzes data; and optimizes extraction through DOE and statistical methods. The role also produces reports and visualizations, maintains laboratory documentation, troubleshoots and calibrates equipment, conducts hazard assessments, and follows chemical safety, PPE, MSHA, and OSHA protocols.

Lead the design, modeling, scale-up, commissioning, and optimization of high-temperature pyrometallurgical refining and thermal-processing systems. Responsibilities include developing heat and material balances, flowsheets, thermodynamic and kinetic models, equipment specifications, off-gas systems, and process improvements. The role collaborates with R&D, pilot plants, environmental and controls teams, and software and machine-learning groups to deploy commercial-scale mineral-processing systems and automated optimization tools.

Leads instrumentation and controls engineering for mineral refining equipment and plant-wide systems from concept through commissioning and operations handover. Manages equipment providers, licensors, engineering firms, procurement, installation, calibration, inspections, QA/QC, startup, and troubleshooting. Drives scale-up of novel refining processes, supports machine learning and advanced control development, mentors junior engineers, and contributes to capital project execution and engineering team growth.

Lead controls and instrumentation engineering for novel mineral refining facilities from concept through commissioning, ramp, and handover. Manage equipment providers, licensors, engineering firms, and cross-functional technical teams. Oversee instrument, valve, analyzer, network, and control-system selection and installation; support industrial machine-learning optimization and workflow automation. Mentor junior engineers and contribute to medium-to-large capital project execution, plant-network security, and development of the internal engineering team.

Develops and optimizes heat and material balance models for refining processes, automates equipment sizing, and conducts optimization studies, ensuring model accuracy and integration into engineering deliverables.

Own end-to-end delivery of capital programs from development through construction and operational handover. Manage scope, integrated schedules, budgets, risks, engineering interfaces, procurement, contractors, reporting, readiness gates, commissioning, and startup. Coordinate cross-functional teams and external partners, drive decisions to closure, support standardized program execution, and provide feedback to improve Mariana’s Capital Project OS.

Support the design, fabrication, installation, commissioning, maintenance, and troubleshooting of pilot plant equipment and refining systems. Translate process requirements into mechanical designs and equipment modifications, maintain engineering documentation, improve reliability and maintainability, and collaborate with process engineers and R&D scientists. Travel to company sites for project support, startup, commissioning, and troubleshooting.

Build and deploy full-stack software supporting engineering, construction, and operation of mineral processing facilities. Develop Autodesk integrations, internal web applications, software ecosystem evaluations, and LLM-powered experiences. Collaborate with ML engineers on data architecture and pipelines supporting model training and facility operations visibility. Partner directly with engineering, construction, operations, and other non-software stakeholders to identify needs, scope features, and drive implementation across the technology stack.