Site Services Manager at Sasol Base Chemicals, Lesotho


Job description

POSITION TITLE: Site Services Manager – Explosives & Blasting Operations

Business Unit: Sasol Base Chemicals, Lesotho

Location: Letseng Diamond Mine, Mokhotlong, Lesotho

Note: Only Lesotho citizens are invited to apply for this position. 

ABOUT THE BUSINESS UNIT:Our Explosives division forms part of Sasol Base Chemicals business unit, and markets commercial explosives, a wide range of specialised blasting accessories, diversified bulk explosives used in opencast mines and quarries, as well as supplying services to leading mining companies and export customers. We have developed the world-leading Expan® low-density ammonium nitrate (LDAN) technology for more efficient, more cost-effective blasting operations. Our range of Expanfo® and Explogel® explosives conforms to the ISO 9001 quality standard.



The Letseng Diamond Mine, found in the landlocked Southern African kingdom of Lesotho, is owned by Gem Diamonds Ltd and the government of Lesotho, and at an elevation of 3,100 m (10,000 ft) it is the world’s highest diamond mine.

It is characterised by extremely low grade ore (less than 2 carats (400 mg)/hundred tons) and is well known for producing huge diamonds, having the highest percentage of large diamonds (greater than 10 carats (2.0 g)), giving it the highest dollar value per carat of any diamond mine. The world average is roughly US$81 per carat, while Letseng Diamond Mine averaged over US$1,894 per carat for the first six months of 2007.

On 4 October 2006 the 603 carat (121 g) white diamond, the “Lesotho Promise” was unearthed, and is the largest reported find this century and the 15th largest diamond ever found. The stone is an exceptional colour, rated D, the top colour for diamonds. Previously the largest diamond found at Letseng was the 601 carat (120 g) “Lesotho Brown”, recovered in 1967.


To manage a mine site responsible for the supply of explosives and blasting operations as well as related services to the Letseng opencast mining operations.

Provide leadership to the site team.

Inspire and motivate personnel to work safely and productively.

Production planning, ordering and management of site raw materials.

Management of equipment and personnel.

Provide technical advice on blasting agents, accessories and blast performance.

Manage assets.

Monitor fleet efficiencies and compile blast reports.

Handling of labour issues.

Investigate incidents.

Responsible for daily problem solving.

Daily plant and silo stock control.

Training and development of personnel.

General good housekeeping.

Address customer operational requirements.

Cost control.

Management of IMS system.

Legally appointed for site and magazine.



Only candidates who meet all of the following non-negotiable requirements are invited to apply for this position:

  1. Must be a Lesotho citizen.
  2. Bachelors Degree (BSc, BEng or B-Tech) in Mining Engineering – Metalliferous (must)
  3. Rock Blasting Certificate (must)
  4. Minimum of 5-7 years Underground/Opencast Mining experience in a supervisory or management role.
  5. Safety behavior conscious and orientated.
  6. Willingness to work overtime as and when required.

Mine Managers Certificate or Mine Overseers Certificate (not compulsory but advantageous).



Ali Moroane — Strategic Talent Sourcing Lead