Operations Manager (Sites & Bitcoin)

Reference: PTA000686-AF -1

Position: Sites & Bitcoin Mining Operations Manager Industry: Renewable Energy / Bitcoin Mining / Property & Infrastructure / Technology Location: Ferndale, Randburg, Gauteng Travel: Regular travel to Mbombela (Nelspruit) and additional development sites Experience Level: Experienced / Management Working Hours: Standard working hours, with standby requirements for operational call-outs and platform alarms

Role Overview

An exciting opportunity is available for an experienced Sites & Bitcoin Mining Operations Manager to take responsibility for the operational management of multiple sites, Bitcoin mining operations, technology monitoring platforms and a significant new-site development pipeline. The successful candidate will be responsible for managing the Company's existing operating sites in Ferndale and Nelspruit , overseeing the Bitcoin mining fleet, maintaining and developing monitoring and dashboard platforms, coordinating the Nelspruit development, and driving the assessment, feasibility, approval, construction and commissioning of a further 14 solar-powered Bitcoin mining sites . This is a highly hands-on role combining site operations, renewable energy, Bitcoin mining, technology, software/data, project development and commercial management . The position initially operates as an individual contributor, with the expectation that a small operations team will be developed as the site portfolio expands. The ideal candidate will have a strong technical foundation, proven project/development experience, practical Bitcoin mining operations experience and working programming/data skills. Duties & Responsibilities

WORKING ENVIRONMENT

The normal place of work is Ferndale, Randburg , with regular travel to Mbombela/Nelspruit and other current or prospective development sites. The role covers a diverse operating environment involving:

• Solar generation and battery storage

• Liquid-cooled Bitcoin mining equipment

• Mining fleet management and optimisation

• Electrical and energy infrastructure

• Monitoring and dashboard platforms

• Mining pools and exchange accounts

• Property and tenant operations

• Contractors and suppliers

• New-site development and commissioning

• Technical, financial and operational reporting

The successful candidate must be comfortable working both hands-on in operational environments and strategically across multiple development projects .

KEY RESPONSIBILITIES

1. Bitcoin Mining Fleet Operations

• Manage the Bitcoin mining fleets across the operating sites.

• Monitor and optimise fleet uptime, hashrate, energy efficiency and operating temperatures.

• Operate fleet management platforms including Braiins OS, Vnish, Foreman and AntSentry .

• Set machine power targets according to available solar generation, battery state and applicable electricity tariffs.

• Apply the approved mining run/curtailment rules based on revenue per kWh versus marginal electricity cost.

• Manage mining pool accounts, configurations, payout settings and fee structures.

• Reconcile mining pool payouts against wallet receipts.

• Diagnose machine faults and coordinate repairs, warranty claims, replacement boards and spare parts.

• Manage and maintain liquid-cooling systems, including coolant quality, filters, pumps, temperatures and flow rates.

• Manage the procurement, specification and importing of mining and cooling equipment.

• Plan fleet replacement and efficiency improvements in line with changes in mining economics, including the planned Bitcoin halving cycle.

2. Bitcoin Safekeeping, Conversion & Financial Records

• Manage mined Bitcoin in accordance with approved company safekeeping controls.

• Ensure no individual has sole control over wallets, private keys or exchange accounts.

• Reconcile all mining pool payouts to wallet receipts.

• Investigate and resolve discrepancies within the required timeframe.

• Manage Bitcoin conversion to ZAR in accordance with approved company policy.

• Work through appropriately licensed South African crypto asset service providers.

• Maintain accurate exchange control and tax records.

• Maintain records of Bitcoin receipts and sales, including quantities, ZAR values and cost bases.

• Prepare monthly reporting covering:

• Bitcoin mined

• Bitcoin sold

• Average realised price

• Electricity cost per kWh

• All-in cost per Bitcoin

• Mining economics and margins

3. Monitoring & Technology Platforms

The successful candidate will take ownership of the Company's internal monitoring and dashboard platforms. Responsibilities include:

• Design, build and maintain data collection systems connecting:

• Solar inverters

• Batteries

• Electricity meters

• Cooling systems

• Mining machines

• Mining pools

• Exchange accounts

• Work with APIs and interfaces such as REST, gRPC, Modbus and MQTT .

• Maintain time-series databases with appropriate historical data retention.

• Implement daily backups and periodic restore testing.

• Build dashboards at:

• Machine level

• Site level

• Portfolio level

• Monitor generation, battery state, cooling, hashrate, power, uptime, revenue per kWh and payout status.

• Develop and maintain operational alarms and escalation rules.

• Ensure alarms are communicated to the relevant on-call personnel.

• Automate mining power-control decisions based on live solar generation, battery state and tariff periods.

• Maintain appropriate manual override controls and audit logs.

• Ensure pool and exchange integrations remain read-only where required.

• Implement role-based access controls and maintain platform activity records.

• Connect all new sites to the monitoring platform before operational handover.

• Maintain complete technical documentation covering architecture, data sources, alarms, hosting, credentials and recovery procedures.

• Ensure the platform can be operated and maintained by a second suitably trained person.

4. Development of 14 New Sites

Take ownership of the Company's 14-site development pipeline and manage each opportunity through the defined stage-gate process. Responsibilities include:

• Maintain the complete development pipeline, including status, dates, budgets and required decisions.

• Conduct site assessments covering:

• Load data

• Roof/ground area

• Structural considerations

• Grid capacity

• Electricity tariffs

• Water availability

• Connectivity

• Site access

• Security

• Required consents

• Prepare site screening memoranda.

• Conduct feasibility studies.

• Apply the Company's standard site design while documenting site-specific deviations and associated costs.

• Prepare capital proposals, solar yield calculations and mining revenue estimates.

• Work with financial advisers to assess project economics.

• Obtain required landlord/tenant consents and regulatory approvals.

• Manage SSEG registration, grid connection and building approval processes.

• Obtain and verify supplier quotations and pro forma invoices.

• Negotiate framework pricing with repeat suppliers.

• Manage lead times, warranties and supplier information.

• Supervise construction and commissioning.

• Ensure projects remain aligned with approved budgets, programmes, quality requirements and safety standards.

• Complete formal handover to operations.

• Ensure each completed site has:

• As-built drawings

• Warranties

• Asset register entries

• Monitoring platform connection

• Mining pool configuration

• Operating procedures

• Maintenance plans

• Capture lessons learned and continuously improve the standard design and development process.

5. Ferndale & Nelspruit Site Operations

• Conduct regular site inspections.

• Monitor site condition, buildings, roofs, structures, yards, gates, fire equipment and plant rooms.

• Monitor solar generation and battery performance.

• Coordinate preventative maintenance on solar panels, inverters, batteries and electrical equipment.

• Manage faults, warranty claims