OptiTalent · Job Finder
Jobs in Texas, United States
52 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
21–40 of 52 jobs
Counts are paused for a minute after many searches; results are still current.
Engineering Coordinator
4 weeks agoMariana Minerals · Houston, Texas, United States +1
On-siteFull-timeSenior$100K – $140K a yearEngineeringMariana Minerals is looking for an Engineering Coordinator to help drive the delivery of mineral processing and refinery projects.
Sr./Staff Mechanical Engineer
4 weeks agoMariana Minerals · San Francisco, California, United States +1
On-siteFull-timeLead / staff$140K – $175K a yearEngineeringMariana Minerals is looking for a highly motivated Sr./Staff Mechanical Engineer to work on building the critical minerals supply chain to support the world’s energy transition.
Staff Mining Engineer
4 weeks agoMariana Minerals · Moab, Utah, United States +1
On-siteFull-timeLead / staff$123K – $171K a yearEngineeringMariana Minerals is seeking a Staff Mining Engineer with 10+ years of mining experience and a strong background in hands-on, hard-rock open pit operations. This role connects mine planning with field execution, ensuring that designs and production schedules translate into safe,…
Mariana Minerals · San Francisco, California, United States +2
On-siteFull-timeSenior$100K – $150K a yearEngineeringMariana Minerals is hiring a Sr. Regional Permitting and Compliance Environmental Engineer to own permitting execution and compliance implementation across our U.S. mining, processing, and refining project sites. Reporting to the Global Environmental Permitting Lead, you will…
Sr. Software Engineer, Autonomy
4 weeks agoMariana Minerals · San Francisco, California, United States +2
On-siteFull-timeSenior$140K – $200K a yearEngineeringWe are hiring Sr. and Staff Software Engineers (Autonomy) to build the onboard and platform software that carries our fixed and mobile equipment from raw sensor data to safe, reliable motion.
Sr. Software Engineer, Infrastructure
4 weeks agoMariana Minerals · San Francisco, California, United States +2
On-siteFull-timeSenior$140K – $200K a yearEngineeringMariana Minerals is looking for a Sr. or Staff Software Engineer, Infrastructure to join the team that owns and collaborates on the platform every other engineer here builds on.
Sr/Staff Civil Engineer
5 weeks agoMariana Minerals · San Francisco, California, United States +1
On-siteFull-timeLead / staff$150K – $200K a yearEngineeringMariana Minerals is a software-first, vertically integrated minerals company on a mission to supply the critical minerals powering modern energy, AI, and defense technologies. We’re reimagining the minerals supply chain by combining deep industry expertise with advanced…
Staff Mobile Equipment and Fleet Engineer
5 weeks agoMariana Minerals · Houston, Texas, United States +2
On-siteFull-timeLead / staff$138K – $170K a yearEngineeringMariana Minerals is seeking a Mobile Equipment and Fleet Engineer to build and optimize the equipment fleet for our open pit mining operations. You will own the technical specifications, equipment and OEM selection, and full lifecycle economics of production and support…
Technical Product Manager, ML & Robotics
6 weeks agoMariana Minerals · San Francisco, California, United States +2
On-siteFull-timeMid level$115K – $208K a yearData & AIMariana Minerals is a software-first, vertically integrated minerals company supplying the minerals critical to modern energy, AI, and defense technologies. Our ML systems don't live in a vacuum — they run chemistry and process simulators, see and act in our plants through…
Sr. Data Scientist
6 weeks agoMariana Minerals · San Francisco, California, United States +2
On-siteFull-timeSenior$140K – $173K a yearData & AIWe're hiring a Senior Data Scientist to be the person who makes those numbers trustworthy and legible. You'll own
Business Operations Manager
6 weeks agoMariana Minerals · Houston, Texas, United States
On-siteFull-timeManagerOperationsMariana Minerals is looking for a Business Operations Manager to lead operational strategy and business performance management for its Lithium business, based out of Mariana's Houston or San Francisco office. This role sits at the intersection of Finance, Business Development…
Sr./Staff Architect
7 weeks agoMariana Minerals · San Francisco, California, United States +1
On-siteFull-timeLead / staff$130K – $200K a yearTrades & logisticsMariana Minerals is looking for an architect to work on building the critical minerals supply chain.
Sr. Environmental Engineer
7 weeks agoMariana Minerals · San Francisco, California, United States +2
On-siteFull-timeSenior$100K – $150K a yearEngineeringMariana 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 fast-paced, multi-project environment. Reporting to the Global Environmental Permitting Lead, you…
Sr./Staff Process Controls Engineer
7 weeks agoMariana Minerals · Houston, Texas, United States +3
On-siteFull-timeLead / staff$150K – $200K a yearEngineeringMariana Minerals is looking for a highly motivated Process Controls Engineer to work on building the critical minerals supply chain.
Vice President of Finance
7 weeks agoMariana Minerals · Houston, Texas, United States
On-siteFull-timeExecutiveFinanceWe are seeking an experienced Vice President of Finance to lead and scale Mariana Minerals' existing Accounting and FP&A team as we grow from two capital-intensive flagship projects today toward a broader portfolio of commercial mining and mineral-processing operations.…
Staff Process Controls Engineer
2 months agoMariana Minerals · San Francisco, California, United States +3
On-siteFull-timeLead / staff$150K – $200K a yearEngineeringMariana Minerals is looking for a highly motivated Controls Engineer to work on building the critical minerals supply chain.
Full Stack Software Engineer
2 months agoMariana Minerals · San Francisco, California, United States +2
On-siteFull-time$80K – $160K a yearEngineeringMariana Minerals is looking for a highly motivated Full Stack Software Engineer to work on building the critical minerals supply chain to support the world’s energy transition.
Lead Operator
2 months agoMariana Minerals · Joaquin, Texas, United States
On-siteFull-timeLead / staffTrades & logisticsWe 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 monitoring and controlling process equipment to meet quality, safety, and production targets.…
Process Engineer
2 months agoMariana Minerals · Joaquin, Texas, United States
On-siteFull-timeMid levelEngineeringWe are looking for a Senior Process Engineer to work with our innovative, fast-paced multidisciplinary team. They will be responsible for liaising between R&D and operations, with a focus on chemical process development, successful scale-up of new product execution, and…
Machine Learning Engineer (Autonomy)
2 months agoMariana Minerals · San Francisco, California, United States +2
HybridFull-time$140K – $180K a yearData & AIWe are hiring Machine Learning Engineers (Autonomy) to build the autonomy and sensor-integration software that lets our fixed and mobile equipment perceive, decide, and drive themselves.
Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.