Radio Frequency Maintenance Technician - Johannesburg

Radio Frequency (RF) Maintenance Technician

Location: Johannesburg, South Africa]

Job Type:Full-Time

Reports To:RF Engineering Manager / Maintenance Supervisor

Job Summary:

This includes VHF/UHF radios, microwave links, antenna systems, and related hardware across operational sites.

Key Responsibilities:

• Conduct routine preventative maintenance on RF communication systems, including antennas, repeaters, transmitters, and receivers.
• Diagnose and resolve faults in RF signal transmission, reception, and quality using appropriate test equipment.
• Install and configure RF equipment and supporting infrastructure, such as coaxial cables, grounding systems, and towers.
• Perform on-site inspections and equipment calibration to ensure optimal performance and compliance with regulatory standards.
• Maintain accurate logs of maintenance activities, service reports, and equipment inventory.
• Support emergency fault response and after-hours technical assistance when required.
• Collaborate with engineering and IT teams during equipment upgrades and network expansion projects.
• Ensure compliance with all occupational health and safety regulations, company policies, and ICASA/FCC guidelines.
• Keep up to date with evolving RF technologies, tools, and industry best practices.

Minimum Requirements:

• N6 Certificate / Diploma in Electronics, Telecommunications, or related field.
• 35 years experience in RF system maintenance, preferably in telecommunications, mining, or broadcasting.
• Valid Drivers License (Code 08 or above) and willingness to travel to remote sites.
• Strong knowledge of RF theory, propagation, and frequency management.
• Proficiency with RF diagnostic tools (e.g., spectrum analyzers, VSWR meters, signal generators).
• Familiarity with safety procedures for working at heights and with RF exposure.
• Computer literacy (MS Office, reporting software).

Preferred Qualifications:

• Certification in RF/Microwave Engineering or related discipline.
• Working knowledge of digital radio systems (e.g., DMR, TETRA, LTE).
• Experience working in high-site or field-based environments.

Working Conditions:

• Field-based work requiring occasional travel to high-sites, towers, and remote areas.
• Rotational standby and after-hours support may be required.
• Use of personal protective equipment (PPE) and safety harnesses for elevated work.