Mechanical Technician

Marianaminerals

East Texas

On-siteCareer-pivot friendly

Who this role is best for

Strong fit for mid-level industrial maintenance professionals who troubleshoot and repair rotating equipment in the minerals processing domain, with a preference for hands-on work in East Texas.

Best fit for

Mid-level maintenance professionals with 3-5 years in industrial settings like chemical processing or mining
— “Minimum 3-5 years industrial maintenance experience, preferably in a chemical processing, water treatment, mining, or manufacturing environment.”
Candidates with mechanical and electrical troubleshooting skills for process equipment
— “Troubleshoot and repair pumps, motors, valves, conveyors, blowers, compressors, and other rotating and fixed equipment.”
Individuals who thrive in collaborative, safety-first environments with open knowledge sharing
— “Our culture is built on four principles: Everyone Gets Home Safe. We never put speed or cost ahead of people.”

Things to consider

Flexible hours may include off-hours response to equipment emergencies
— “Willingness to work flexible hours, including occasional off-hours response to equipment emergencies.”
The role requires working in all areas of the plant with minimum supervision
— “Must be able to work in all areas of the plant, respond to changing priorities, and work with minimum supervision.”

How to stand out

Highlight experience with predictive maintenance and root cause analysis in your resume and interviews
— “Perform routine preventive and predictive maintenance on plant mechanical, electrical, and instrumentation equipment.”
Emphasize your ability to interpret technical documents like P&IDs and blueprints
— “Read and interpret work orders, blueprints, P&IDs, schematics, and equipment manuals to guide maintenance activities.”
Demonstrate your record of identifying cost-saving ideas in maintenance
— “Assist in identifying and implementing cost reduction ideas to reduce plant maintenance expenditures.”
Showcase your ability to work across shifts and collaborate with others
— “Must be able to work well in a team environment and communicate effectively across shifts.”
Include experience with industrial tools and software like SAP or Visio
— “The use of the following software could be required: Microsoft Office (Excel, Word, Power Point, Outlook), Skype, Visio, Adobe (PDF), Share Point, SAP, Microsoft Project.”

Pace · Fast PacedCollaboration · LowAutonomy · MediumDecision Impact · IndividualLevel · Mid

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

Perform routine preventive and predictive maintenance
Troubleshoot and repair equipment
Respond to equipment breakdowns
Support plant reliability initiatives

Typical background

3-5 years industrial maintenance experience

Skills & requirements

Required

Industrial MaintenanceTroubleshootingRepairPreventive MaintenanceElectrical TroubleshootingBlueprints InterpretationLubrication PracticesProblem-solving

Preferred

Chemical ProcessingWater TreatmentMiningManufacturing

Stack & domain

Mechanical MaintenanceElectrical TroubleshootingPumpsMotorsValvesConveyorsBlowersCompressorsRotating EquipmentFixed EquipmentBlueprintsP&idsSchematicsEquipment ManualsIndustrial Hand ToolsPower ToolsLubrication PracticesPreventive Maintenance PrinciplesProblem-solvingAttention To DetailMathematical SkillsTroubleshootingSafety ProceduresMiningWater TreatmentChemical ProcessingManufacturing

About the role

Original posting from Marianaminerals via Ashby

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 minerals supply chain by combining deep industry expertise with advanced software, automation, and data-driven decision-making.
Position Summary:
We are looking for a Maintenance Technician to support the day-to-day upkeep, troubleshooting, and repair of process and utility equipment at our East Texas Lithium One facility. Our Maintenance Technician will perform routine and preventive maintenance, respond to equipment breakdowns, and support plant reliability initiatives in accordance with manufacturer specifications, engineering drawings, and standard operating procedures. All maintenance work will be performed in a manner that is efficient, safe, and meets quality standards. This person must be able to work in all areas of the plant, respond to changing priorities, and work with minimum supervision.
Key Responsibilities:
· Perform routine preventive and predictive maintenance on plant mechanical, electrical, and instrumentation equipment.
· Troubleshoot and repair pumps, motors, valves, conveyors, blowers, compressors, and other rotating and fixed equipment.
· Respond promptly to equipment breakdowns and unplanned downtime events, diagnosing root cause and implementing timely repairs.
· Perform basic electrical troubleshooting, including motor starters, control circuits, and instrumentation loops.
· Read and interpret work orders, blueprints, P&IDs, schematics, and equipment manuals to guide maintenance activities.
· Complete work orders and maintain accurate maintenance records, including parts used, time spent, and equipment condition.
· Assist in identifying and implementing cost reduction ideas to reduce plant maintenance expenditures.
· Support calibration, lubrication, and inspection programs across the facility.
· Inspect and replace worn or defective parts using appropriate hand tools, power tools, and precision measuring instruments.
· Support start-up, shutdown, and change-out activities for process and utility equipment.
· Maintain a clean, organized, and safe work area, including routine and non-routine housekeeping duties.
· Research and requisition parts and materials needed for repairs and maintenance activities.
· Participate in and support the continuous improvement of the plant's reliability and maintenance programs.
· Follow all lockout/tagout, confined space, and other safety procedures during maintenance activities.
Required Qualifications:
· Minimum 3-5 years industrial maintenance experience, preferably in a chemical processing, water treatment, mining, or manufacturing environment.
· Working knowledge of mechanical, electrical, and basic instrumentation systems.
· Experience troubleshooting and repairing pumps, motors, valves, and other rotating and process equipment.
· Ability to read and interpret blueprints, schematic drawings, P&IDs, and equipment manuals to determine work procedures.
· Experience using industrial hand tools and power tools.
· Basic understanding of lubrication practices and preventive maintenance principles.
· Strong attention to detail with solid mathematical and problem-solving skills.
· Troubleshooting skills, with the ability to follow a problem to its source and resolve it.
· Basic understanding of equipment rigging for lifting and positioning equipment.
· The use of the following software could be required: Microsoft Office (Excel, Word, Power Point, Outlook), Skype, Visio, Adobe (PDF), Share Point, SAP, Microsoft Project.
· Must be able to work well in a team environment and communicate effectively across shifts.
· Willingness to work flexible hours, including occasional off-hours response to equipment emergencies.
Desirable Qualifications:
Hydrometallurgy experience Mining experience Battery material experience
OUR CULTURE IS BUILT ON FOUR PRINCIPLES:
Everyone Gets Home Safe. We never put speed or cost ahead of people.
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!

Source: Marianaminerals careers (Ashby)