Construction Supervisor – Electrical (Mining) at Marvel Placement Consultant

Construction Supervisor – Electrical (Mining)

• One of our clients, a leading international mining organisation focused on the safe, responsible and sustainable development of its mining operations, is seeking an experienced Construction Supervisor – Electrical to join their project team.
• The position will be based at a major mining project in Postmasburg, Northern Cape, and will be responsible for providing visible frontline leadership and day-to-day supervision of electrical construction activities, including substations, power distribution systems and overhead power lines.
• The successful candidate will oversee contractor execution, ensure compliance with approved drawings and specifications, monitor SHE, quality, productivity and progress, and support testing, energisation, completion and handover activities.

Minimum Requirements:

• National Diploma, National N Diploma, Trade Test or recognised technical qualification in Electrical Engineering or a related electrical discipline.
• Minimum 8 years' relevant electrical construction experience within mining, infrastructure or heavy industrial projects.
• Proven site supervision experience within electrical construction environments.
• Demonstrated experience supervising substations, power distribution systems and overhead power lines.
• Experience with OHL foundations, tower/pole erection, conductor and earth-wire stringing, sagging, jointing, earthing, testing and energisation.
• Strong knowledge of electrical construction methods, workfront preparation and contractor supervision.
• Experience interpreting electrical drawings, single-line diagrams, OHL route profiles, structure schedules, foundation details and stringing charts.
• Knowledge of electrical construction planning, inspection, testing, commissioning and completion processes.
• Strong understanding of electrical safety, working at height, lifting, stringing, earthing, isolation and energisation controls.
• Knowledge of applicable South African mining, electrical, construction and environmental legislation.
• Experience working within an owner-team, EPCM or principal-contractor environment will be advantageous.
• Previous experience on mining infrastructure, iron ore, process plant, materials handling or heavy industrial projects will be advantageous.
• Professional registration with ECSA, SACPCMP or an equivalent recognised body will be advantageous.
• Formal qualification in Project Management or Construction Management will be advantageous.
• Valid South African driver's licence.
• Valid medical fitness certificate for mine and construction-site access.
• Relevant legal appointment or competency certification, where required.
• Proficient in MS Office, including Excel, Word and PowerPoint.
• Strong communication, leadership, problem-solving and contractor-management skills.
• Willingness to work on a construction roster and remain site-based for the duration of the project.

Roles & Responsibilities:

Electrical & OHL Construction Supervision

• Supervise daily electrical and overhead power line construction activities.
• Coordinate contractor crews, specialist plant, materials, access, outages and workfront interfaces.
• Review electrical and OHL work packs, drawings, route profiles, structure schedules, foundation details, stringing charts, method statements and inspection and test plans.
• Verify electrical and OHL workfront readiness before construction activities commence.
• Monitor tower and pole erection, conductor and earth-wire stringing, sagging, jointing, terminations, earthing and testing.
• Ensure installations comply with approved designs, specifications, statutory requirements and manufacturer requirements.
• Monitor installed quantities, productivity and progress against approved schedules.
• Participate in constructability reviews and identify practical execution constraints and improvement opportunities.
• Coordinate interfaces between OHL, civil foundations, substations, protection, telecommunications, roads, rail, operations and third-party services.

SHE & Quality

• Ensure all electrical and OHL activities comply with applicable SHE requirements, legislation and approved controls.
• Stop unsafe or non-compliant work and escalate critical risks.
• Lead and participate in pre-starts, toolbox talks, risk assessments and critical-control checks.
• Verify compliance with approved method statements, permits, isolation procedures, earthing arrangements, lifting plans and rescue plans.
• Maintain effective housekeeping, barricading, exclusion zones and access controls.
• Identify and control hazards associated with live-system interfaces, induced voltages, working at height, lifting, stringing and crossings.
• Witness inspections and testing and ensure quality requirements are met.
• Support punch-list close-out, completion, testing, commissioning and handover activities.

Contractor & Workfront Management

• Support contractor mobilisation, induction and workfront readiness.
• Monitor contractor labour, plant, productivity, quality and progress.
• Address field deviations, underperformance and non-compliance promptly.
• Serve as the day-to-day owner-team field interface for electrical and OHL contractors.
• Measure and verify completed work and installed quantities.
• Maintain accurate daily diaries, progress records, structure registers, drum schedules, sagging records, test sheets, redlines, photographs and completion documentation.
• Support contract administration and minimise the risk of claims and rework.

Planning, Reporting & Risk Management

• Contribute to daily and weekly work planning, look-ahead schedules, stringing plans, outage plans and workfront readiness reviews.
• Identify construction risks relating to live-line proximity, induced voltages, working at height, lifting, road/rail crossings, weather, wildfire, access and public interfaces.
• Monitor weather, lightning, fire conditions, ground conditions, access and outages affecting construction activities.
• Prepare daily and weekly progress reports covering safety, quantities, productivity, quality, outages, constraints and corrective actions.
• Provide accurate progress and quantity information to project controls.
• Participate in route walkdowns, crossing reviews, pre-energisation inspections, punch-list and completion reviews.

Stakeholder & Project Coordination

• Coordinate electrical and OHL activities with engineering, survey, SHE, quality, project controls, operations and environmental teams.
• Facilitate the resolution of technical queries, access constraints, crossings, outages and construction interfaces.
• Maintain effective relationships with contractors, consultants, suppliers, regulatory authorities and other stakeholders.
• Provide field input into testing, commissioning, energisation and operational-readiness activities.
• Support the Construction Manager and Project Manager in managing construction risks, constraints, quality and delivery.

Closing Date: 7 Oct 2026