Demo

Underground Technician

Frank Calandra Jennmar Services
Reedsville, WV Full Time
POSTED ON 6/6/2026
AVAILABLE BEFORE 8/6/2026

The primary responsibility of the Underground Technician is the safe and efficient installation of Jennchem J-CribTM pumpable cement and containment bags. J-CribTM is a proprietary two-part cement that is mixed at the surface of an underground coal mine and then pumped underground for the installation of roof supports. The Underground Technician will be responsible for supervising or assisting in the process of filling J-CribTM containment bags with cement. Employee is responsible for assisting in all aspects of the underground installation process. This includes but is not limited to; running and maintain plastic slick-line that transports the material from surface to underground; carrying J-Crib bags to where they are required and hanging them in the correct location and at the correct spacing; filling of J-Crib bags to ensure they are straight and pressurized properly to the roof. The Underground Technician will work in our North East region primarily in West Virginia.

The right person possesses:

  • Must be about to gain workable knowledge of J-CribTM installation process
  • Must have a valid drivers license and ability to travel to various work site locations
  • Must be able to communicate effectively through phone and email
  • Dependability to be consistently at work and on time
  • Functional listening, verbal, and written communications skills
  • Functional basic math skills
  • Must possess proficient organizational skills with great attention to detail and a quality assurance/safety orientation mindset
  • Proficient information-gathering and monitoring skills to facilitate effective, unbiased decision-making and problem-solving functions
  • Computer skills sufficient for the preparation and submission of production/operational reports is a plus (Gmail and Microsoft Office)
  • A “Team” mentality with leadership ability to provide direction to others
  • Close visual acuity, multiple limb coordination, and ability to stand/walk for extended periods while performing essential job duties
  • Manual dexterity and medium/heavy (25-50 lbs) lifting capability while performing essential job duties

Essential job duties :

  • Arrive at work site to coordinate underground equipment and daily, scheduled work activity to facilitate timely, accurate work performance by contractual work crew.
  • Provide technical support and general supervision of contractual work crew during underground operation processes for J-CribTM installation adhering to industry safety standards.
  • Perform underground operation processes for J-CribTM installation including, but not limited to, installation of lines and valves for underground pumping and proper positioning of containment bags as specified in work order.
  • Check functionality of underground valve system and make flow adjustments as needed.
  • Communicate with surface technician to initiate progressive cavity pumping of J-CribTM slurry mixture.
  • Monitor adherence to quality assurance standards and customer specification(s) by ensuring that containment bags fill with full force, position tight against the roof surface, and fill port is properly kinked.
  • Prepare and submit daily J-CribTM installation report(s) to appropriate management team personnel.

Job Requirements:

  • High School/GED Required
  • Valid Driver’s License Required
  • New Miner/ Initial Miner Training (40 or 80 hours)
  • Either Red hat or Black Hat Certificaiton

Excellent benefits include medical with a standard PPO plan with deductibles as low as $1,000 and wellness credit up to $750; voluntary 401k plan currently matching up to 12%; voluntary dental and vision plans; free telemedicine services; basic life and short term disability coverage. EOE M/F/D/V

Salary.com Estimation for Underground Technician in Reedsville, WV
$37,178 to $49,313
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