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Mariana Minerals

Commissioning Engineer

Mariana Minerals

. Lead commissioning teams at various locations .

Posted 10/15/2026full-timeUnited StatesMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in leading commissioning activities, developing detailed commissioning plans, and ensuring compliance with safety and operational standards. Proficient in electrical and mechanical systems, with a strong focus on documentation, training, and process optimization in fast-paced industrial environments.

Highest-signal resume keywords
Commissioning ExperienceElectrical Systems ExpertiseMechanical Systems KnowledgeSafety Practices LeadershipDocumentation and Training

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Commissioning PlansLOTO ProceduresP&IDsSingle-LinesSchematic ReadingPLC/Controls ExperienceInstrumentation StartupEquipment Functionality TestingProcess Engineering SupportHazOps Participation
Soft Skills
LeadershipCommunicationProblem-SolvingTeam CollaborationSafety Mindset
Tools & Technologies
MarianaOS ToolsAI ToolsIndustrial EquipmentPlant UtilitiesSafety Equipment
Certifications & Qualifications
Bachelor’s Degree in EngineeringValid Driver’s License
Industry Keywords
Battery/EVSemiconductorData CentersAdvanced ManufacturingMiningRefining

About the role

Key responsibilities & impact
  • Lead commissioning teams at various locations
  • Develop detailed commissioning plans before commissioning activities
  • Ensure documentation is complete, including LOTO procedures, work instructions, maintenance procedures, plans, schedules, and budgets
  • Own scopes relative to engineering expertise
  • Lead safe startup practices
  • Confirm proper installation and functionality of equipment during dry and wet commissioning
  • Lead ramping activities for assigned commissioning areas
  • Ensure equipment and controls are functional
  • Train and hand over equipment to onsite operators and maintenance personnel
  • Serve as a technical expert to assist process engineering after handover
  • Simplify commissioning procedures and assist in building MarianaOS tools to automate and scale them
  • Document and share lessons learned
  • Support design teams and projects at other sites between commissioning cycles
  • Contribute to design reviews and HazOps during the design phase
  • Lead JHAs and LOTO, follow permit-to-work procedures, and participate in safety meetings, audits, and incident investigations
  • Participate in HazOps
  • Wear proper PPE and complete site safety training

Requirements

What you’ll need
  • Bachelor’s degree or higher in chemical, mechanical, electrical, or a related engineering field preferred, or proven hands-on experience commissioning industrial systems
  • Hands-on commissioning experience on greenfield or new-plant startups
  • Deep expertise in electrical or mechanical systems and working knowledge of the other
  • Background in battery/EV, semiconductor, data centers, advanced manufacturing, or similar fast-paced industrial environments strongly preferred
  • Working knowledge of equipment common in mining and/or refining and plant utilities
  • Ability to read and mark up single-lines, P&IDs, schematics, and mechanical drawings
  • Desire to help build a smart P&ID system
  • Preferred: PLC/controls and instrumentation startup experience
  • Preferred: experience at a company that designs, installs, and commissions its own equipment
  • Preferred: comfort using AI tools to speed up your work
  • Strong safety mindset, with experience leading safe energization, LOTO, and startup practices (NFPA 70E)
  • Valid driver’s license
  • Willingness to travel to sites during commissioning
  • Ability to travel up to 80%, including extended site assignments and possible short-notice trips
  • Ability to work extended or irregular hours during commissioning
  • Ability to stand, walk, climb, work in tight spaces, and lift up to 50 lbs
  • Ability to work in noise, dust, varying weather, and remote industrial site conditions

Benefits

Comp & perks
  • Stretches of remote or office-based work between commissioning periods
  • Opportunity to work from a Mariana office or, preferably, an operating asset between projects
  • Work on projects involving advanced software, automation, and data-driven decision-making
  • Opportunity to contribute to building tools in MarianaOS to automate and scale commissioning
  • Global project exposure and opportunities to commission new capacity anywhere in the world