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The Infrastructure Technician will be responsible for the construction, maintenance, and repair of surface and underground structures to ensure a safe environment and stable structure

Position Summary

The Infrastructure Technician will be responsible for the construction, maintenance, and repair of surface and underground structures to ensure a safe environment and stable structure.


Functional Responsibilities (include but are not limited to)

Maintains and constructs underground structures and systems

  • Maintains and repairs existing structures (shaft steel and timber, ventilation, drainage, water, etc.) to ensure safety and compliance.
  • Reads and follows blueprints drafted by engineers to ensure proper placement and structure.
  • Constructs new underground structures (drills, blasts, mucks, roof bolts, etc.).
  • Builds and repairs track for track mounted equipment (pulleys, carts, etc.).
  • Installs and repairs pipes containing air, water, etc.
  • Ensures upkeep of ventilation system, water treatment facility, drainage system and other underground support systems.

Manages Cage/Skip

  • Loads skips with materials and equipment.
  • Records number of containers and personnel.
  • Calculates capacities and estimates weight to prepare for hoisting.
  • Moves loads on and off of conveyances.
  • Makes necessary notifications when cage is used to carry personnel.
  • Plans and prioritizes (in conjunction with Planner/Scheduler) the materials and personnel being raised/lowered in the cage.

Prepares Materials and Supplies

  • Stages materials to be moved.
  • Gives directions to other workers in loading of cage to ensure conformance to safety regulations.
  • Maintains supply storage areas, equipment and supplies, such as fire extinguishers, lamps and batteries.
  • Assists in setting up and operating a variety of equipment and other machinery.

Manages materials

  • Records material intake and usage.
  • Coordinates transport of materials.
  • Monitors air and gas levels within the underground.
  • Reports material inventories to ensure proper material orders.

Assists in general duties

  • Assists engineers and technicians in data collection for analysis.
  • Collects samples to be used in research.
  • Disposes of waste.

Follows safety policies and requirements

  • Communicates potential dangerous areas or situations to coworkers.
  • Documents and reports any possible safety issues and/or incidents.
  • Safely manages hazardous materials.


Desired Qualifications


  • Experience in general construction practices, concrete work, timber framing, etc..
  • Experience in the mining industry or related field (including shaft inspection and repair).
  • Experience and understanding of environmental health and safety policies (application of safety equipment).
  • Experience operating heavy machinery and equipment.
  • Experience reading and interpreting blue prints.


  • Attention to Detail—ability to maintain constant awareness of surroundings and ensure tasks are completed carefully and accurately.
  • Communication—ability to communicate well both orally and in writing and with a wide variety of people.
  • Adaptability—ability to effectively adjust to changing priorities and demands.
  • Initiative—ability to persist despite difficult conditions and to make suggestions for improvements.
  • Teamwork—ability to work cooperatively and support others in the workgroup.
  • Safety—ability to learn, understand, and comply with the Sanford Laboratory's safety programs and properly use required personal protection equipment.
    • Personal Protection Equipment
      • Leather or rubber safety boots, equipped with metatarsal guards
      • Coveralls, equipped with appropriate reflective markings
      • Belt and fall arrest harness
      • Hard hat
      • Safety glasses
      • Hearing protection
      • Gloves
      • Headlamp
      • Carbon Monoxide W65 Self-Rescuer Respirator
      • OKy K Rescue Breather

Work Requirements

Successful incumbent will be required to: 

  • General Construction - Use hand tools to manually remove, replace or repair large pieces of timber or steel structure that sometimes weigh more than 100 pounds.  This activity can consume the majority of a shift.
  • Rock Bolting - Use a jack leg machine weighing 100 pounds to install rock bolts within the shaft.  Jack legs machines introduce vibration to the user.  This activity can consume the majority of a shift.
  • Material Handling - By use of manual means, remove large amounts of debris, muck and boulders from the shaft, often times boulders will weigh in excess of 100 pounds.  This activity can consume the majority of a shift.
  • Physical Requirements - Persons are required to bend, squat, rotate, stand, and kneel for multiple hours during a shift.  Persons are required to lift, push and pull material in excess of 100 pounds frequently.
    • Lift/Lower Requirements:
      • Floor to Waist 4-125lbs
      • Waist to Shoulder 4-125lbs
      • Floor to Shoulder 4-75lbs
      • Above Shoulder 4-75lbs
    • Carrying Requirements: 4-125lbs
    • Pushing/Pulling Requirements: 5-125lbs+
  • Work in all types of conditions (heat, humidity, wet, cold). 
  • Work from ladders, scaffolding, and in confined places.
  • Work underground.
  • Work shifts, weekends, holidays and callouts as scheduled. The shafts operate a variety of rotating shifts.
  • Minimum Standard - Have the physical ability to perform his/her duties in an effective manner that is safe for the employee and/or for his or her co-workers while posing no serious safety threat to self or others.
  • Reliability - Meet or exceed the minimum standard approaching 100% of the time.
  • Provide proof of a valid driver’s license.

The South Dakota Science & Technology Authority (SDSTA) is an Equal Opportunity/Affirmative Action employer committed to the development of a diverse workforce. Applicants are invited to self-identify as an individual with a disability or as a protected veteran. Forms are available on the website or upon request from Human Resources.

More Information

ADA reasonable accommodations request form
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Voluntary disclosure of veteran status form
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