Vacancy: Jumbo Drill Operator/Trainer

Company Profile

Underground Mining Alliance Ltd. (“UMA”) is a Joint Venture between African Underground Mining Services Limited (AUMS) and Rocksure International carrying out underground development and production works for the AngloGold Ashanti (Obuasi) Mine. 

Job Description

Key Responsibilities

• The incumbent shall report directly to the Shift Supervisor and operates a twin boom jumbo drilling rig for underground development mining with installation of ground support.


• Ensure work area is safe for personnel and equipment to perform working duties including ensuring electrical installations and services are clear of the drilling area.


• Accurately drill a number of drill patterns using a mechanized electric hydraulic Jumbo drill suitable to ground conditions and in compliance with site specific drill patterns and survey instruction. 


• Assess ground conditions at the face and implement ground control as per site requirements.


• Read and follow accurately mining instruction plan with skill and precision ensuring holes are drilled to design line, gradient and profile. 


• Comply with relevant Mines Safety and Inspection Act and Regulations 


• Optimize drill patterns to ensure maximum advance per round is achieved whilst maintaining strict adherence to design specifications with minimal overbreak.

Required Skills or Experience

• Minimum of 8 to 12 years’ experience of a Frontline Jumbo, Sandvik experience preferred;


• Ability to Bolt, Mesh and Bore a minimum of 3 Development headings per 12-hour shift;


• Minimum 800 drill metres/man shift;


• Previous experience in Portal establishment preferable; 


• Must be conversant with the Mining Act and related regulations of the Republic of Ghana.


• Must possess a valid Ghanaian driving and operating licenses (C & E Classes) and can drive underground.


• Previous experience working in Hard Rock Underground Mines (with International Underground Mining experience);


• Sound knowledge of Underground Mining Practice across most positions and the efficient operations of an Underground Jumbo;


• Sound mechanical knowledge of a Sandvik DD 421-60, DD 422I, DD 421-60, and DD 421 Jumbo Drill;


•  Ability to work autonomously/independently with limited supervision;


• Demonstrated abilities to work within a team environment with leadership abilities; 


• A strong focus toward safety and hazard identification;


• Must demonstrate strong work ethics and be able to communicate courteously with co-workers;


• Ability to work under pressure and have the desire to achieve; 


• Ability to workday and night rotation;