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Marianaminerals
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75 Open Roles
Last checked 1d ago
Plant Operations — 14 roles
Process Maintenance Technician
Moab, UT
on-site
full-time
1d ago
Industrial Electrician
Moab, UT
on-site
full-time
1d ago
4+ yrs
PLC
3-phase 480V
4,160V
13.8kV
Lead Operator
East Texas
on-site
full-time
1d ago
Mid
2–4 yrs
Microsoft Office
Excel
Word
PowerPoint
Lab Chemist
Moab, UT
on-site
full-time
1d ago
Senior
LIMS
Titration
Flame AA
ICP-OES
Process Engineer
East Texas
on-site
full-time
1d ago
Senior
3–5 yrs
Maintenance Technician
East Texas
on-site
full-time
1d ago
Mid
3–5 yrs
Microsoft Office
Excel
Word
PowerPoint
Controls Technician
East Texas
on-site
full-time
1d ago
Mid
3–5 yrs
Allen Bradley PLCs
VFDs
HMIs
Industrial Networks
Drone Operator
Moab, UT
on-site
full-time
1d ago
LiDAR
GIS
photogrammetry
Process Plant Technician
Moab, UT
on-site
full-time
1d ago
Mid
Basic Computer Knowledge
Basic Math Skills
Equipment Operator
Moab, UT
on-site
full-time
1d ago
Recycling Operator
Moab, UT
on-site
full-time
1d ago
Entry
CNC
numerical control equipment
Process Safety Engineer
Houston, TX
on-site
full-time
1d ago
5+ yrs
Electrician
East Texas
on-site
full-time
1d ago
3–5 yrs
PLC
PC
CMMS
DOT
Analytical Applications Engineer
Moab, UT
on-site
full-time
1d ago
Entry
ICP-OES
ICP-MS
Atomic Absorption
Copper One — 12 roles
Custodian/General Labor
Moab, UT
on-site
full-time
1d ago
Entry
Maintenance Mechanic
Moab, UT
on-site
full-time
1d ago
3+ yrs
Caterpillar
Komatsu
CMMS
MIG
Mobile Maintenance Supervisor
Moab, UT
on-site
full-time
1d ago
Mid
5+ yrs
Microsoft Office
CAT ET
CAT SIS
Director of Mining and Technical Services
Moab, UT
on-site
full-time
1d ago
Senior
12–15 yrs
autonomous haulage systems
autonomous haul trucks
Leach Pad Technician
Moab, UT
on-site
full-time
1d ago
Diamond/Core Driller
Moab, UT
on-site
full-time
1d ago
RC Driller
Moab, UT
on-site
full-time
1d ago
Mid
IT Technician
Moab, UT
on-site
full-time
1d ago
VPN
VoIP
PLC
switches
Diamond/Core Driller Assistant
Moab, UT
on-site
full-time
1d ago
Entry
hand tools
power tools
RC Drill Assistant
Moab, UT
on-site
full-time
1d ago
Entry
Engineering Technician-Recycle
Moab, UT
on-site
full-time
1d ago
Mid
Excel
AutoCAD
Microsoft Office Suite
Drill and Blast Engineer
Moab, UT
on-site
full-time
1d ago
Senior
5+ yrs
ShotPlus
JKSblast
ANFO
emulsions
Software Development — 12 roles
Sr. Process Controls Engineer
Remote
remote
full-time
1d ago
Senior
Python
Machine Learning
Staff Process Controls Engineer - Networking and Systems Administration
San Francisco HQ
on-site
full-time
1d ago
Senior
7+ yrs
Ignition
P&IDs
networking
fiber
Staff Process Controls Engineer - Pilot Plant
San Francisco HQ
on-site
full-time
1d ago
5+ yrs
Siemens S7 PLC
Ignition
VFD
Staff Instrumentation and Controls Engineer
Houston, TX
on-site
full-time
1d ago
Senior
7+ yrs
P&IDs
HMI programming
control system programming
machine learning
Full Stack Software Engineer
San Francisco HQ
on-site
full-time
1d ago
1+ yrs
Autodesk
LLMs
ML
Senior Systems Administrator
San Francisco HQ
on-site
full-time
1d ago
Senior
5+ yrs
Microsoft 365
Entra ID
SharePoint
PowerShell
Machine Learning Engineer (Autonomy)
San Francisco HQ
hybrid
full-time
1d ago
Mid
2+ yrs
C++
Python
ROS
ROS 2
Staff Machine Learning Engineer (Autonomy)
San Francisco HQ
on-site
full-time
1d ago
Senior
5–10 yrs
C++
Python
ROS
ROS 2
Sr. Data Engineer
Ann Arbor, MI
on-site
full-time
1d ago
Senior
4–8 yrs
Python
SQL
PlantOS
CI/CD
Machine Learning Engineer
Ann Arbor, MI
on-site
full-time
1d ago
Mid
2–8 yrs
Python
reinforcement learning
deep learning
machine learning
Staff Machine Learning Engineer
Ann Arbor, MI
on-site
full-time
1d ago
Senior
8–10 yrs
reinforcement learning
Python
simulation
digital twins
Senior Full Stack Software Engineer
San Francisco HQ
on-site
full-time
1d ago
Senior
5+ yrs
Autodesk
React
Vue
Node.js
Engineering — 9 roles
Sr./Staff Process Engineer - Detailed Engineering and Plant Design
Houston, TX
on-site
full-time
1d ago
Senior
8+ yrs
Plant 3D
SmartPlant P&ID
AVEVA P&ID
Sr./Staff Pyrometallurgical Process Engineer
Houston, TX
on-site
full-time
1d ago
Python
Sr./Staff Technical Program Manager - Lithium
San Francisco HQ
on-site
full-time
1d ago
Mid
4+ yrs
Sr./Staff Technical Program Manager - Copper
Moab, UT
on-site
full-time
1d ago
4+ yrs
Extractive Metallurgist
Moab, UT
on-site
full-time
1d ago
automation
machine_learning
data_science
Mine Planner
San Francisco HQ
on-site
full-time
1d ago
Senior
5+ yrs
Deswik
Whittle
Vulcan
MinePlan
Mechatronics Engineer (Hardware)
San Francisco HQ
on-site
full-time
1d ago
Mid
5–10 yrs
3D CAD
CAD
Head of Engineering Programs
San Francisco HQ
on-site
full-time
1d ago
Lead
10+ yrs
Staff Process Modeling Engineer
Houston, TX
on-site
full-time
1d ago
Senior
8+ yrs
ASPEN Plus
HYSYS
SysCAD
OLI Studio
Project & Construction Management — 9 roles
Sr./Staff Architect
San Francisco HQ
on-site
full-time
1d ago
Senior
7+ yrs
AutoCAD
Revit
Sr. Procurement Specialist - Process Equipment
San Francisco HQ
on-site
full-time
1d ago
Senior
5–7 yrs
Structural Designer
Houston, TX
on-site
full-time
1d ago
5+ yrs
Tekla
Advance Steel
SDS2
AISC
Sr. Construction Project Manager
Houston, TX
on-site
full-time
1d ago
Senior
8+ yrs
Primavera P6
Microsoft Project
Microsoft Office Suite
Sr. Estimator
Houston, TX
on-site
full-time
1d ago
Senior
7+ yrs
RSMeans
Excel
Manager, Piping Design & Engineering
Houston, TX
on-site
full-time
1d ago
Lead
10+ yrs
Plant 3D
Revit
Navisworks
Caesar II
Sr. Site Development Engineer
San Francisco HQ
on-site
full-time
1d ago
Senior
10+ yrs
Civil 3D
AutoCAD
Revit
Navisworks
Sr/Staff Electrical Engineer
San Francisco HQ
on-site
full-time
1d ago
Senior
8+ yrs
ETAP
SKM PowerTools
EasyPower
NEC
Engineering Design Manager
Houston, TX
on-site
full-time
1d ago
Senior
7–15 yrs
Process Development — 6 roles
R&D Metallurgist
San Francisco HQ
on-site
full-time
1d ago
Senior
5+ yrs
Excel
JMP
Minitab
Design-Expert
Pilot Plant Supervisor
San Francisco HQ
on-site
full-time
1d ago
Mid
HMIs
PFDs
P&IDs
MarianaOS
Mechanical Engineer
San Francisco HQ
on-site
full-time
1d ago
Mid
Staff Mechanical Engineer
Houston, TX
on-site
full-time
1d ago
Senior
9+ yrs
CAD
Pilot Plant Technician
San Francisco HQ
on-site
full-time
1d ago
Mid
3+ yrs
CMMS
HMI
PFDs
P&IDs
Staff Process Engineer
Houston, TX
on-site
full-time
1d ago
Senior
10+ yrs
PFDs
P&IDs
General — 4 roles
Sr. R&D Engineering Recruiter
San Francisco HQ
on-site
full-time
1d ago
Senior
5–8 yrs
Ashby
LinkedIn Recruiter
Boolean search
Indeed
Sr. Technical Recruiter
San Francisco HQ
on-site
full-time
1d ago
Senior
5–8 yrs
Ashby
LinkedIn Recruiter
Indeed
GitHub
Administrative Assistant
Houston, TX
on-site
full-time
1d ago
Entry
1–3 yrs
Microsoft Office
Head of Creative
San Francisco HQ
on-site
full-time
1d ago
Lead
10+ yrs
Adobe Creative Suite
Figma
Finance — 3 roles
Vice President of Finance
Houston, TX
on-site
full-time
1d ago
VP
10+ yrs
ERP
accounting systems
financial planning tools
Senior Accountant
Houston, TX
hybrid
full-time
1d ago
Senior
3–6 yrs
Accounts Payable Manager
Houston, TX
on-site
full-time
1d ago
Mid
5+ yrs
Odoo
NetSuite
OCR
Product Development — 3 roles
Staff Product Manager, Engineering & Construction
San Francisco HQ
on-site
full-time
1d ago
Senior
5+ yrs
P&ID
3D/plant design
datasheet tools
equipment-sizing tools
Staff Product Designer, MarianaOS
San Francisco HQ
on-site
full-time
1d ago
Senior
Replit
AI builders
Claude Code
Cursor
Staff Product Manager
San Francisco HQ
on-site
full-time
1d ago
Senior
7+ yrs
Python
React
AWS
PostgreSQL
Business Operations — 2 roles
Senior Environmental Engineer - Regional Permitting and Compliance
San Francisco HQ
on-site
full-time
1d ago
Senior
7+ yrs
Senior Environmental Engineer
San Francisco HQ
on-site
full-time
1d ago
Senior
5+ yrs
CAA
CWA
RCRA
ESA
Commercial & Product — 1 role
Procurement Manager
San Francisco HQ
on-site
full-time
1d ago
Senior
8–12 yrs
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