Facility Maintenance Specialist
MARA Holdings, Inc. is an energy and digital infrastructure company whose core business is Bitcoin mining, with expansion into AI, high-performance computing, critical IT, and related mining technologies.
Maintainer signals as of 9/25/2026
Funding history
Investors
Projects
About MARA Holdings, Inc.
MARA owns, develops, and operates power and digital infrastructure across multiple continents. It uses Bitcoin mining as an energy-responsive workload to monetize excess and underutilized power, while developing adjacent AI/HPC, private-cloud, power-management, and Bitcoin ecosystem technologies.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
In this hands-on role, you will maintain buildings, grounds, equipment, and infrastructure; perform general maintenance, minor repairs, inspections, and inventory control; support immersion and air-cooled ASIC mining systems; conduct preventative maintenance; document activities; and follow all safety protocols.
Requirements
- Prior experience in facility maintenance, general labor, or mechanical systems strongly preferred.
- Familiarity with basic building maintenance and facility upkeep.
- Mechanical aptitude and willingness to learn immersion cooling and air-handling systems.
- Ability to assist with pumps, filters, and electronic components in a non-licensed capacity.
- Experience with hand and power tools, ladders, lifts, and safety gear.
- Basic computer skills, including Excel; SharePoint is a plus.
- Strong independent, teamwork, communication, and documentation skills.
- Ability to lift and carry up to 50 lbs.
- Comfort working on ladders, lifts, and in indoor and outdoor conditions.
- Ability to kneel, bend, climb, reach, and perform tasks requiring manual dexterity.
Responsibilities
- Perform upkeep and minor repairs on building structures and facility systems.
- Maintain cleanliness and organization of workspaces, supply areas, and tools.
- Identify maintenance needs and ensure timely response or escalation.
- Replace air filters and monitor airflow systems.
- Maintain immersion cooling infrastructure, including pumps, fittings, and coolant levels.
- Assist with replacement of contactors, relays, and I/O boards.
- Monitor ASIC system warnings and escalate complex issues.
- Conduct walkthroughs, inspections, and preventative maintenance tasks.
- Track maintenance tasks to prevent downtime.
- Manage tools, PPE, consumables, and equipment storage.
- Log daily activities and facility observations using shared tracking tools.
- Communicate work plans and concerns with Facility Leads and Managers.
- Follow site safety protocols and OSHA regulations and use required PPE.