Head of Electrical Engineering at Williamson Diamonds Limited (WDL)

Job Summary

Williamson Diamond Limited (WDL) is Tanzania’s only large-scale diamond producer. The mine is an open pit operation based upon the 146 hectares Mwadui kimberlite pipe, which is one of the world’s largest economic kimberlites. For over 80 years, Williamson Diamond Limited has lived side by side and co-existed peacefully with the communities around Mwadui, while implementing a wide range of development programs, focusing on promoting the lives and livelihoods of the communities surrounding Mwadui Mine Site.

Role Description

The Head of Electrical Engineering is responsible for the management of process electrical systems, controls, and instrumentation maintenance. The role includes planning, scheduling, process execution, and coordination of maintenance activities, ensuring plant reliability, safety compliance, and continuous operational improvement.

Tasks and Responsibilities

• Manage standard design, maintenance and repair of various Electrical design & Instruments equipment to ensure equipment keep reliability, availability and capability as and when required to operate, which includes electrical infrastructure, programmable logic controls, instruments for controlling (measuring, monitoring, displaying) operating conditions of drives for conveyors, crushers, scrubbers, mills, pumps, screens, other machinery, and workshop tools.
• Safety first – perform safe risk assessment and ensure on everyone, everywhere and every time at workplace.
• Manage duties independently, quickly, efficiently and resolution to ensure high availability of plant Controls & Instruments machinery and equipment.
• Manage preventive maintenance and repairs of Controls & Instruments equipment and accessories as per OEM maintenance plans.
• Maintain an accurate record on assigned work schedule or maintenance record.
• Perform adhoc and frequent inspections as part of the preventive maintenance program.
• Analyse Controls & Instruments equipment and accessories system failures to determine root causes problems and resolve.
• Manage to analyse and modify to solve complex technical issues.
• Manage budget and effective maintenance costs.
• Manage assigned areas of responsibility, activities, manpower, materials, machinery and tools.
• Be able to work independently without or with minimal supervision, be self-driven, reliable analytic solver and proactive.
• Manage maintenance relationship and repairs to the highest standard within the required standards.
• Good working relationship, a team player.
• Perform other related duties as assigned.
• Develop and implement electrical engineering strategies aligned with operational objectives.
• Ensure compliance with safety standards, statutory regulations, and company policies.
• Manage electrical projects, upgrades, and capital works.
• Provide technical guidance, mentoring, and development to the electrical team.
• Coordinate with other departments to support production and operational targets.
• Strategic leadership.
• Drive continuous improvement, cost optimization, PLC systems, radiation devices, and risk management initiatives.
• Oversee continuous electrical infrastructure, cost, PLC systems, radiation, and risk management initiatives.
• Strategic leadership used for monitoring and control plant instrumentation.
• Develop and maintain good working relationships and communication with TANESCO.
• Ensure safe working practices through risk assessments and strict adherence to safety standards.
• Conduct inspections and analyze equipment failures to determine root causes and implement solutions.
• Manage plant improvement projects and technical modifications.
• Supervise manpower, materials, tools, optimize costs, and assigned operational areas.
• Control maintenance budgets and optimize costs.
• Ensure compliance with statutory regulations and company policies.
• Provide technical leadership, mentoring, and development to the electrical team to meet production targets.
• Coordinate with other departments to meet production targets.
• Drive continuous improvement, efficiency, and risk management initiatives.

Minimum Requirements for All Applicants

• Bachelor’s degree in Electrical, Electronics or Instrumentation and Control Engineering or equivalent.
• Professional registration in electrical (Electronics) with ERB (mandatory) and other membership (added advantage).
• Any other training certifications (added advantage).
• A minimum of 9 years of related experience in Electrical Engineering & Instrumentation preferably in Mining Sector/production Sector – preventive maintenance, procurement, construction, and innovation/ modifications.
• Strong computer skills and sufficient knowledge in engineering software and quality checks including computerized maintenance management systems (CMMS) and PLCs (Siemens PLCs added advantage).
• Technical mathematics skills.
• Ability to maintain most of the plant electrical and instrumentation equipment and tools specific to the job.
• Excellent verbal and written communication in English/Swahili.
• Possession of a valid driving license.

Other Required Skills and Competencies

• Technical expertise.
• Strong safety culture and compliance orientation.
• Planning, coordination, and prioritization skills.
• Project management capability.
• Analytical thinking and problem-solving ability.
• Attention to detail.
• Ability to work under pressure in a demanding environment.
• High integrity and professionalism.
• Strong teamwork and interpersonal skills.
• Customer-focused mindset.
• Radiation Safety Officer certification (added advantage).

Mode of Application

Applicants are invited to apply for the existing position mentioned above. Candidates meeting the requisite qualifications should submit their applications describing how they qualify for the positions. They should also send detailed CV, copies of certificates, three referees, daytime telephone numbers and e-mail addresses before 28 February 2026 at 18:00 hrs.

Via the following address:
Human Resources Manager,
Williamson Diamonds Ltd,
P.O. Box 23,
Mwadui-Shinyanga.

Or drop applications through the following email:
joseph.mokoro@wdl.co.tz

Williamson Diamonds Limited supports the Mineral policy (2009) of Tanzania and is committed to ensure adequate development of local technical capacity to service the mining industry; and to employ local experts available and develop succession plans for Tanzanians to take over expatriate positions. Pre-screening, assessments, medical and security clearances form part of the minimum requirements and selection process. Short listed candidates will be required to attend a panel interview. Employment of the successful candidate is subject to passing on mine induction and the aforementioned criteria.

If you do not hear from us after 30th February, 2026 please consider yourself unsuccessful. Williamson Diamonds Limited is an Equal Opportunity Employer.

Please note that Williamson Diamonds Limited does not at any time require any form of payment for recruitment purposes. If you are approached in this regard, you should report the incident immediately via one of the following hotlines:

• Phone Call: +255 767 744 617
• Email: wdlhelpdesk@wdl.co.tz