Mariana Minerals Jobs - Page 3
Open positions at Mariana Minerals, newest first. Each listing links to the company's own application page.
- Open positions
- 99
Newest Mariana Minerals openings
IP Counsel
Direct ATSSan Francisco, CA · 22 days ago
We are looking for an experienced and motivated Intellectual Property Counsel to join our growing legal team.
- Full-time
- Senior
- 6+ years
- patent prosecution
- IP commercial agreements
- trade secret programs
Houston, TX (On-site) · 22 days ago
We are hiring a Senior / Staff Process Engineer to execute detailed engineering deliverables such as P&IDs, line and instrument and valve lists, control narratives, hydraulic models…
- Full-time
- Lead / Staff
- 8+ years
- P&ID development
- hydraulic modeling
- process equipment sizing
Lead Operator
On-siteJoaquin, TX (On-site) · 30 days ago
We are looking for an Operator Lead to oversee shift-level plant operations at our Joaquin, TX facility, directing a small crew of operators through daily production activities while…
- Full-time
- Lead / Staff
- 2+ years
- P&ID interpretation
- process equipment control
- SOP compliance
San Francisco, CA (On-site) · 30 days ago
Special Projects is a high-agency problem-solving team at Mariana, empowered by leadership to solve the company’s most critical and least defined problems.
- Full-time
- Lead / Staff
- 5+ years
- cross-functional execution
- first-principles problem decomposition
- process and systems building
San Francisco, CA (On-site) · 30 days ago
We are hiring Technical Program Managers to own the planning, coordination, and execution of capital projects in Mariana’s portfolio, from idea, to development, through construction and…
- Full-time
- Senior
- 4+ years
- capital project management
- schedule and budget control
- risk management
Core Driller
On-siteMoab, UT (On-site) · 30 days ago
Safely operate a diamond core drill rig in line with site procedures, manufacturer specs and MSHA requirements
- Full-time
- Senior
- 2+ years
- diamond core drilling
- MSHA compliance
- drill rig maintenance
San Francisco, CA (On-site) · 30 days ago
We're hiring a Staff Product Manager to own the Engineering and Super domains of CapitalProjectOS (CPOS), the operating system for how Mariana designs, plans, and builds capital projects.
- Full-time
- Lead / Staff
- 5+ years
- capital project engineering
- construction management
- product roadmap ownership
Sr/Staff Civil Engineer
On-siteSan Francisco, CA (On-site) · 30 days ago
Represent Mariana as the owner’s engineer for civil and site development scope, from site selection and feasibility through detailed design and construction.
- Full-time
- Senior
- 10+ years
- Civil 3D
- site grading and drainage design
- stormwater management
San Francisco, CA (On-site) · 30 days ago
Take complex, data-dense workflows in MarianaOS and design clear, usable information architecture and flows ensuring MarianaOS is easy and fast to use for the 100s of employees here that…
- Senior
- information architecture
- design systems
- Figma
Engineering Coordinator
On-siteHouston, TX (On-site) · 30 days ago
Mariana Minerals is looking for an Engineering Coordinator to help drive the delivery of mineral processing and refinery projects.
- Full-time
- Mid-level
- 5+ years
- Microsoft Project
- cost tracking
- document control
Sr. Environmental Engineer
On-siteSan Francisco, CA (On-site) · 30 days ago
Mariana Minerals is hiring a Sr. Environmental Engineer to provide technical environmental engineering support across our U.S. mining, processing, and refining project sites in a…
- Full-time
- Senior
- 5+ years
- environmental monitoring program design
- EIS/EA technical writing
- CAA
Administrative Assistant
On-siteHouston, TX (On-site) · 30 days ago
We are seeking a highly organized and proactive Administrative Assistant to support day-to-day administrative operations at our Houston office.
- Full-time
- Entry level
- 1+ years
- calendar management
- travel booking
- expense reporting
San Francisco, CA (On-site) · 30 days ago
Mariana Minerals is looking for an experienced Senior Full Stack Software Engineer to lead critical technical initiatives in building the next-generation critical minerals supply chain to…
- Full-time
- Senior
- 5+ years
- full-stack development
- distributed systems
- microservices
San Francisco, CA (On-site) · 30 days ago
We are hiring Machine Learning Engineers (Autonomy) to build the autonomy and sensor-integration software that lets our mining vehicles perceive, decide, and drive themselves.
- Full-time
- Lead / Staff
- 5+ years
- C++
- Python
- ROS 2
San Francisco, CA (On-site) · 30 days ago
We are hiring Machine Learning Engineers (Autonomy) to build the autonomy and sensor-integration software that lets our mining vehicles perceive, decide, and drive themselves.
- Full-time
- Mid-level
- 2+ years
- C++
- Python
- ROS 2
San Francisco, CA (On-site) · 30 days ago
We are hiring Sr. and Staff Software Engineers (Autonomy) to build the onboard and platform software that carries our mining vehicles from raw sensor data to safe, reliable motion.
- Full-time
- Senior
- 5+ years
- C++
- Python
- ROS 2
San Francisco, CA (On-site) · 30 days ago
Mariana Minerals seeks a hands-on, commercially savvy Sr. Procurement Specialist - Process Equipment to drive capital project delivery by overseeing end-to-end procurement of capital…
- Full-time
- Senior
- 5+ years
- competitive sourcing
- contract negotiation
- commercial risk allocation
Recycling Operator
On-siteMoab, UT (On-site) · 30 days ago
The Recycling Plant Operator is responsible for the safe, efficient, and high-quality processing of copper.
- Full-time
- Mid-level
- industrial equipment operation
- material inspection and grading
- SOP compliance
R&D Metallurgist
On-siteSan Francisco, CA (On-site) · 30 days ago
The R&D Metallurgist designs, executes, and analyzes experiments to advance Mariana Minerals' hydrometallurgical testing programs.
- Full-time
- Mid-level
- 5+ years
- Design of Experiments (DOE)
- hydrometallurgy
- solvent extraction
Mine Planner
On-siteSan Francisco, CA (On-site) · 30 days ago
Mariana Minerals is looking for a highly motivated Senior Mine Planner to lead strategic mine planning, opportunity evaluation, and long-range optimization across the company’s portfolio…
- Full-time
- Senior
- 5+ years
- pit optimization
- phase design
- life-of-mine planning
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