San Francisco, California, United States · On-site
$140k–$175k/yr
About Mariana Minerals Mariana 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…
Skills: Mechanical Engineering, Static Equipment Design, Finite Element Analysis, AutoCAD, Solids-Handling Systems
Houston, Texas, United States · On-site
About Us NorthStar Energy Services, a Quanta Services, Inc. (NYSE:PWR) company, is based in Channelview, TX and provides engineering, design, procurement, construction and support services to the chemical, petrochemical,…
Skills: Electrical Engineering Analysis, ETAP, Arc Flash Analysis, Short Circuit Analysis, Relay Coordination
Houston, Texas, United States · On-site
About Us NorthStar Energy Services, a Quanta Services, Inc. (NYSE:PWR) company, is based in Channelview, TX and provides engineering, design, procurement, construction and support services to the chemical, petrochemical,…
Skills: CADWorx Plant, CADWorx Equipment, CADWorx Isogen, AutoCAD, Navisworks
Houston, Texas, United States · Hybrid
$130k–$160k/yr
Job DetailsJob Location: Houston - HOUSTON, TX 77043Position Type: Full TimeSalary Range: $130,000.00 - $160,000.00 SalaryJob Category: EngineeringAbout Us: Logisnext Americas Inc. has supported customers for more than 1…
Skills: Data Architecture, Data Engineering, SQL, Python, ETL/ELT Pipelines
Houston, Texas, United States · On-site
Overview Stewart & Stevenson is Now Hiring a Mechanical Assembler I at 10750 Telge Road Houston, TX 77095. Responsible for performing standard assembly processes, reworks and repairs on manufactured equipment and product…
Skills: Mechanical Assembly, Blueprint Reading, Schematics Interpretation, Quality Control, Technical Documentation
Houston, Texas, United States · On-site
Overview Stewart & Stevenson is Now Hiring a Electrical Assembler I at 10750 Telge Road Houston, TX 77095. Responsible for performing standard assembly processes, reworks and repairs on manufactured equipment and product…
Skills: Electrical Assembly, Blueprint Reading, Schematic Interpretation, Quality Control, Equipment Repair
Houston, Texas, United States · On-site
Overview Stewart & Stevenson is Now Hiring a Mechanical Assembler I at 10750 Telge Road Houston, TX 77095. Responsible for performing standard assembly processes, reworks and repairs on manufactured equipment and product…
Skills: Mechanical Assembly, Blueprint Reading, Schematic Interpretation, Quality Control, Equipment Repair
Houston, Texas, United States · On-site
Overview Stewart & Stevenson is Now Hiring a Electrical Assembler I at 10750 Telge Road Houston, TX 77095. Responsible for performing standard assembly processes, reworks and repairs on manufactured equipment and product…
Skills: Electrical Assembly, Blueprint Reading, Schematic Interpretation, Quality Control, Equipment Repair
Houston, Texas, United States · On-site
$105k–$174k/yr
Job Description SummaryThe Global Process Engineer (GPE) will work closely with the Global Manufacturing Engineering Leader, the primary focus area will be developing and deploying global standards that improve the relia…
Skills: Reliability Engineering, Total Productive Maintenance, FMEA, Root Cause Analysis, Lean Methodology
Houston, Texas, United States · On-site
Job Description: Join us and help us create lifelong readers! Position: Warehouse Associate – Part Time Seasonal First Shift Hours - 6:30 am to 3:00 pm $14.50 per hour Scholastic Book Fairs are wondrous in-person experie…
Skills: Warehouse Operations, Order Fulfillment, Inventory Replenishment, Scanner Proficiency, Pallet Jack Operation
Houston, Texas, United States · On-site
Axiom Space is a human space exploration company, building era-defining space infrastructure and delivering technology-driven solutions that will empower civilization to transcend Earth. Beginning with Axiom Station, suc…
Skills: Thermal Analysis, Computational Fluid Dynamics, Resource Planning, Workforce Development, Technical Governance
Houston, Texas, United States · On-site
Working at Freudenberg: We will wow your world! Responsibilities: Develop and execute a global marketing and communications strategy that supports business objectives and strengthens EagleBurgmann's brand.Lead integrated…
Skills: Global Marketing Strategy, Corporate Communications, Brand Management, Digital Marketing, Content Strategy
Houston, Texas, United States · On-site
MacroFab is not just a contract manufacturer, but fundamentally a technology company with a focus on electronics innovation. Our team is comprised of assembly line operators, software engineers, electrical engineers, cus…
Skills: Inventory Management, Kitting, Material Handling, Quality Control, Logistics Operations
Houston, Texas, United States · On-site
What You'll Be Doing Job Scope: This mid-level Electrical and Instrumentation Engineer position requires 3 to 7 years of industrial experience to design small and large-scale engineering projects under general supervisio…
Skills: Electrical Design, Instrumentation Engineering, NEC Compliance, Voltage Drop Calculations, Wire Sizing
Houston, Texas, United States · On-site
$50k–$150k/yr
For a quick application text APPLY1 to 82174 About Dent Wizard Dent Wizard is the nation’s undisputed leader in automotive reconditioning services and vehicle protection products – and our success is the result of the gr…
Skills: Automotive Painting, Collision Repair, Color Matching, Surface Preparation, Spray Equipment Operation
Houston, Texas, United States · On-site
Owens & Minor is a global healthcare solutions company providing essential products, services and technology solutions that support care delivery in leading hospitals, health systems and research centers around the world…
Skills: Receiving, Picking, Sortation, Loading, RF Scanner
Houston, Texas, United States · On-site
Overview The Purchasing Assistant provides administrative support to the Purchasing team and assists with a variety of functions critical to the efficient operation of the department. This role requires strong organizati…
Skills: Microsoft Office Suite, Microsoft Excel, Microsoft Word, Purchase Order Management, Vendor Communication
Houston, Texas, United States · On-site
$90k–$130k/yr
Program Manager MacroFab, Inc. | Houston, TX | On-Site | Business Development About MacroFab MacroFab is redefining contract electronics manufacturing through software, scale, and agility. Founded by engineers who experi…
Skills: Program Management, Customer Relationship Management, NPI Process, Cross-functional Coordination, Risk Management
Houston, Texas, United States · On-site
Job DetailsJob Location: Houston Office - Houston, TX 77086Location: Houston, TX 77086 Reports to: Sales Manager Department: Sales Travel: Negligible Position Overview Most account management jobs are built around a scri…
Skills: Account Management, CRM Intelligence, Opportunity Qualification, Customer Advocacy, Sales Follow-up
Houston, Texas, United States · On-site
Quality Technician (QA/QC + AOI Programming) MacroFab is not just a contract manufacturer, but fundamentally a technology company with a focus on electronics innovation. Our team is comprised of assembly line operators, …
Skills: AOI Programming, SMT Process Knowledge, PCB Assembly Inspection, IPC-A-610, Quality Assurance
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Lead the design, procurement, and commissioning of chemical refining and mineral processing equipment from concept to handover. Develop first-principles models and plant layouts while managing vendors and collaborating with multidisciplinary EPC teams.
Requires a Bachelor's degree in Mechanical Engineering with strong fundamentals in static equipment design and FEA capabilities. Experience with industry codes (ASME/API) and solids-handling equipment is essential, with pyrometallurgical experience preferred.
Mariana 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 software, automation, and data-driven decision-making.
Mariana Minerals is looking for a highly motivated Mechanical Engineer to work on building the critical minerals supply chain to support the world’s energy transition.
As a Mechanical Engineer at Mariana Minerals, you will lead the development and deployment of first-of-its-kind chemical refining processes, while also supporting development of software for project execution and plant optimization. You will design, build, and commission mineral processing and metallurgical refining equipment, develop first-principles-based models of refining equipment and processes, and lead equipment scopes from concept through to design, installation, commissioning, ramp, and handover to the operations team. This is a hands-on, first-principles role for an engineer who wants to help build the world’s most advanced minerals refining facilities.
Lead mechanical engineering scopes across project phases—from concept and feasibility through detailed design, procurement, fabrication, installation, and commissioning
Manage vendors throughout the equipment lifecycle—from specification, RFQ, and technical bid evaluation through drawing review and approval, fabrication expediting and inspection (ITP/FAT), delivery, installation and commissioning support, and warranty close-out
Develop site-wide and area-level plant layouts, optimizing equipment arrangement, maintainability access, constructability, safety, and integration with other disciplines
Prepare mechanical equipment specifications, data sheets, and requisition packages for a range of process and solids-handling equipment, and support technical bid evaluations and vendor selection
Perform static equipment design of tanks, silos, bins, pressure vessels, and other stationary equipment, including mechanical sizing, wall/shell thickness, and structural load calculations ensuring code compliance
Conduct finite element analysis (FEA) to validate equipment and component designs for stress, fatigue, thermal, and operational loading conditions
Design, evaluate, and integrate solids-handling and material-conveyance systems, including silos, bins, hoppers, feeders, conveyors, bucket elevators, chutes, and dust-control systems
Support development of 3D models and piping/mechanical interface layouts, ensuring alignment with process, structural, civil, and electrical engineering requirements
Review vendor drawings and calculations, ensuring mechanical design compliance with project requirements, codes, standards, and operability/maintainability expectations
Collaborate with multidisciplinary EPC teams—including process, structural, piping, electrical, instrumentation, and construction management—to deliver cohesive and constructible engineering packages
Provide mechanical engineering support during construction and commissioning, including responding to RFIs, reviewing field changes, and assisting with equipment installation and start-up
Bachelor’s degree in Mechanical Engineering or a related engineering discipline
Strong understanding of engineering fundamentals and demonstrated ability to leverage that understanding to solve challenging problems
Experience preparing and reviewing mechanical equipment specifications, vendor documentation, and engineering deliverables for both brownfield modifications and greenfield facilities
Demonstrated ability to complete static equipment design of tanks, silos, bins, vessels, and other stationary equipment, including code-based mechanical and structural calculations
FEA capabilities—proficiency with finite element analysis tools to validate equipment and component designs for stress, fatigue, and thermal/operational loading
Working knowledge of relevant industry standards and codes, such as ASME and API
Ability to work effectively with cross-functional teams, manage competing priorities, and deliver high-quality engineering packages under schedule constraints
Proficiency in mechanical design software such as AutoCAD
Hands-on experience with solids-handling and conveyance equipment, including: Silos, bins, hoppers, chutes, and bulk storage systems | Feeders (vibratory, belt, screw, rotary, apron) | Conveyor systems (belt, screw, drag/chain, pneumatic, bucket elevators) | Screens, crushers, and material-transfer equipment
Experience with pyrometallurgical processes and equipment, such as rotary kilns, electric arc furnaces, converters, dryers, and flash kilns
Familiarity with industrial and process-industry environments, such as: Mining and mineral processing | Cement, aggregate, or bulk-materials handling | Chemical or industrial manufacturing facilities | Power generation or heavy industrial sectors
Experience with fluids, thermal, and Multiphysics CFD simulations
Extreme Ownership – We take full responsibility for outcomes, relentlessly driving toward solutions.
Engineer Out Requirements, then Automate – We simplify, optimize, and then automate for scale.
Share Your Legos – We collaborate openly, share knowledge, and empower each other to build bigger, better solutions.
Join us as we build the future of responsible mineral sourcing and supply.
Building a better minerals company
Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying the minerals critical to modern energy, AI, and defense technologies.
Offices: San Francisco, CA 94107, US · La Sal, UT 84530, US · 1400 Minnesota St, San Francisco, California 94107, US
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