Job Title: Head of Electrical Engineering

Company: Williamson Diamonds Limited (WDL)
Location: Mwadui, Shinyanga – Tanzania
Grade: D3 – Operations Manager
Employment Type: Permanent

Company Overview

Williamson Diamonds Limited (WDL) is Tanzania’s only large-scale diamond producer, operating an open-pit mine based on the 146-hectare Mwadui Kimberlite Pipe, one of the world’s largest economic kimberlites.

For over 80 years, WDL has co-existed with surrounding communities while implementing sustainable development programs focused on improving livelihoods and promoting long-term socio-economic growth around the Mwadui Mine Site.

Role Summary

The Head of Electrical Engineering is responsible for managing all process electrical systems, controls, and instrumentation maintenance across the operation. The role ensures high plant availability, reliability, safety compliance, and continuous improvement through effective planning, execution, leadership, and coordination of electrical engineering activities.

Key Duties & Responsibilities

Electrical Engineering & Maintenance

Manage design, maintenance, and repair of electrical, control, and instrumentation systems including:
- Electrical infrastructure
- PLC systems
- Instrumentation for conveyors, crushers, scrubbers, mills, pumps, screens, and workshop tools
Ensure equipment reliability, availability, and operational capability
Implement preventive maintenance programs in line with OEM requirements
Conduct routine and ad hoc inspections as part of preventive maintenance plans
Maintain accurate maintenance schedules, records, and documentation

Safety, Compliance & Risk Management

Promote a Safety-First culture through risk assessments and strict adherence to safety standards
Ensure compliance with statutory regulations, company policies, and mine safety requirements
Analyse equipment failures to determine root causes and implement corrective actions
Oversee radiation safety systems and risk mitigation initiatives

Leadership & Operations Management

Lead, supervise, and develop electrical engineering teams
Manage manpower, materials, tools, machinery, and assigned operational areas
Provide technical leadership, mentoring, and capability development
Build strong working relationships internally and externally, including with TANESCO
Coordinate with other departments to support production and operational targets

Projects, Strategy & Continuous Improvement

Develop and implement electrical engineering strategies aligned with operational objectives
Manage electrical projects, upgrades, and capital works
Drive continuous improvement, efficiency, PLC optimization, and cost control initiatives
Control maintenance budgets and optimize maintenance costs
Support plant improvement projects and technical modifications

Minimum Qualifications & Experience

Education & Professional Registration

Bachelor’s Degree in:
- Electrical Engineering
- Electronics Engineering
- Instrumentation & Control Engineering
Professional registration with ERB (mandatory)
Additional professional memberships and certifications (added advantage)

Experience

Minimum 9 years’ relevant experience in Electrical Engineering & Instrumentation
Experience preferably within Mining or Production environments
Proven background in:
- Preventive maintenance
- Construction and procurement
- Technical innovation and system modification

Technical Skills

Strong knowledge of CMMS, engineering software, and quality control systems
PLC systems experience (Siemens PLCs is an added advantage)
Strong technical mathematics skills
Ability to maintain plant electrical and instrumentation equipment
Excellent verbal and written communication in English and Kiswahili
Valid driving licence

Other Required Competencies

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

Mode of Application

Qualified candidates should submit:

Application letter explaining suitability for the role
Detailed Curriculum Vitae (CV)
Copies of academic and professional certificates
Names and contact details of three referees
Daytime telephone number and email address

Application Deadline

28 February 2026 at 18:00 hrs

Submission Address

Human Resources Manager
Williamson Diamonds Limited
P.O. Box 23
Mwadui – Shinyanga

📧 Email: joseph.mokoro@wdl.co.tz

Additional Notes

Pre-screening, assessments, medical examinations, and security clearance form part of the recruitment process
Shortlisted candidates will attend a panel interview
Employment is subject to successful completion of mine induction
WDL supports Tanzania’s Mineral Policy (2009) and is committed to developing local technical capacity and succession planning
If you do not hear from us by 30 February 2026, please consider your application unsuccessful

Equal Opportunity & Fraud Warning

Williamson Diamonds Limited is an Equal Opportunity Employer.
WDL does not charge any fees during recruitment.

If approached for payment, report immediately:

📞 +255 767 744 617
📧 wdlhelpdesk@wdl.co.tz

To apply for this job email your details to joseph.mokoro@wdl.co.tz

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