Free tool
Search real jobs
Live openings scraped directly from company career pages, with ghost-job checks built in. Search free, no account needed.
Free tool
Search real jobs
Live openings scraped directly from company career pages, with ghost-job checks built in. Search free, no account needed.
Save this search
Get the top new matches for it emailed to you every week.
98 jobs matching your search
Showing 1 to 20 of 98
Workplace Manager
The Role We are hiring a Workplace Manager to own the day-to-day operations of our Houston office, be a resource for our Houston pilot plant, and remotely support our Ann Arbor satellite office as needed. You will create an engaging, welcoming, safe, and well-run on-site environm
Operations
Prep for this interviewStacking/Sizer Operator
The Equipment Operator plays a critical operational role in supporting mine production through the safe and efficient operation of heavy equipment, including stackers and sizers. This position is responsible for conducting equipment inspections, maintaining safe working conditio
R&D Technician
The Role The R&D Technician executes designed experiments and operates chemical processing equipment to advance Mariana Minerals' hydrometallurgical and purification technologies. This hands-on role focuses on running DOE protocols, operating tank reactors and purification syste
Analytical Lab Chemist
We are seeking a detail-oriented Analytical Lab Chemist to join our laboratory team. This senior-level role focuses on high-quality sample preparation and the execution of routine analytical testing. The ideal candidate is a disciplined scientist who prioritizes laboratory safety
Mobile Maintenance Supervisor
The Mobile Maintenance Supervisor is a hands-on working supervisor responsible for leading a team of maintenance technicians and supporting the safety, reliability, and availability of Mariana’s growing mobile mining fleet. This role combines technical leadership, field troublesh
Likely real
Prep for this interviewAdministrative Assistant
The Role - Assist with scheduling meetings, managing calendars, and coordinating internal and external appointments - Help prepare meeting materials, agendas, and notes as needed - Support coordination of cross-functional meetings and company events - Book and manage dome
Senior/Staff Chemical Process Engineer
Role Overview Mariana Minerals is looking for a highly motivated Sr./Staff Process Engineer to work on building the critical minerals supply chain to support the world’s energy transition and to supply metals necessary for technology and AI, energy, mobility, and defense. As a
Engineering
Prep for this interviewProcess Engineer
- Act as the engineering owner of the SX and EW circuits, including mixer-settlers, organic and electrolyte handling, tank house, cell house and associated utilities. - Monitor daily plant performance (PLS grade and flow, extraction and stripping efficiency, phase continuity,
Engineering
Prep for this interviewControls Technician
The Controls Technician provides electrical and controls support to keep our East Texas refinery running safely and reliably. In this role, you'll troubleshoot and repair electrical and controls wiring and programming across production equipment, working with 480V three-phase and
Associate, Corporate Development
Corporate Development raises the capital and closes the transactions that take Mariana's projects from development to operation. The team sits at the intersection of corporate finance, project finance, and M&A, and works directly with the CEO, CFO, and commercial leadership. The
Manager, Corporate Development
Corporate Development raises the capital and closes the transactions that take Mariana's projects from development to operation. The team sits at the intersection of corporate finance, project finance, and M&A, and works directly with the CEO, CFO, and commercial leadership. The
Process Maintenance Technician
Through its Copper One platform, Mariana Minerals owns and operates Lisbon Valley Mining Company, a producing open-pit copper mine in southeastern Utah running 24/7. As a Process Maintenance Technician, you'll maintain and repair everything that's "nailed to the ground": pumps,
Maintenance Technician – Career Development Program
We’re building modern mining and processing operations, and we’re looking for people who want to keep them running and grow with us. This is open to students who have finished a technical program or are about to, and to people with industrial or mechanical experience who are new
Staff Mechanical Engineer
The Role Mariana Minerals is seeking a highly motivated Staff Mechanical Engineer to support our next-generation minerals processing pilot plant in Houston. You will lead the design, integration, and deployment of pilot-scale mechanical systems and processing equipment used to d
Engineering
Prep for this interviewStaff Process Modeling Engineer
The Role Mariana Minerals is seeking a highly motivated Staff Process Modeling Engineer to support the development of next-generation refining processes for critical minerals — key to enabling the world’s energy transition. In this role, you will be responsible for developing,
Procurement Manager, Mobile Equipment
The Role Mariana is hiring a Procurement Manager, Mobile Equipment to own the sourcing, contracting, and lifecycle management of mobile and heavy equipment across our operating sites and projects, including haul trucks, excavators, loaders, fleet vehicles, and forklifts. This is
Likely real
Prep for this interviewCommercial Manager, Energy & Utilities
The Role Mariana is hiring a Commercial Manager, Energy & Utilities to own electricity, water, and natural gas agreements across our operating sites and sites in development. This is a commercial role — you will take load requirements and operating plans from engineering and oper
Likely real
Prep for this interviewSr. Cost Control Engineer
The role We are hiring a Cost Control Engineer to own the cost baseline, the forecast, and change control on Mariana's capital projects. You will build the cost breakdown structure, convert the sanctioned estimate into a control budget, track commitments and actuals, and produc
Construction & Commissioning Quality Engineer
The Role As a Construction & Commissioning Quality Engineer, you will lead site quality across all of Mariana Minerals’ industrial process facilities, from construction and installation through testing, commissioning, handover, and project closeout. You’ll make sure quality requ
Document Control Coordinator
The Role Mariana Minerals is looking for an EPC Document Control Coordinator What You Will Do - Manage the fast-paced lifecycle of technical documentation between Engineering, GC and Sub-contractor - Receive vendor documentation deliverables to ensure compliance with compan
Likely real
Prep for this interview
Found one worth chasing?
Turn a listing into an offer.
Save your search for weekly matches, then practice voice mock interviews and tailor your resume to the exact job description.