Network Infrastructure Specialist

Herotel Telecoms (Pty) Ltd; Pretoria; On-site; ZAR 600,000 - 900,000; Full time

Benefits offered by this job

Internal academy

Group benefits

Medical benefits

Health & lifestyle programmes

Job summary

Herotel Telecoms (Pty) Ltd in Tshwane is seeking a senior Network Infrastructure Specialist to plan, install, commission and quality assure builds at fibre POPs, large towers and data centres.

The role requires precise, safety-conscious expertise across fibre, wireless and power systems, with a track record of first-time-right delivery in high-availability environments. You will work after hours as needed and contribute to root cause analyses for improvements.

Qualifications

• Grade 12
• Working at Heights and Fall Arrest, First Aid, Fire Fighting and Electrical certification
• 5+ years of experience as a senior field technician across fibre, microwave and DC power in POPs, towers or data centres
• Proven delivery of carrier grade equipment, large optical plant builds, and 48V DC/3 phase AC systems with generator and solar interfacing
• Strong documentation skills covering cable routing, labelling, rack elevations, patching plans and asset updates
• Advantageous: certified splicing and OTDR training, tower work on microwave systems, and high availability operations experience
• Solid understanding of fibre splicing, OTDR testing, cleanliness and inspection standards, MPO connections and loss budgets
• Working knowledge of microwave planning and alignment, spectrum analysis and weatherproofing
• Familiarity with 3 phase AC basics, DC plant sizing and autonomy, battery safety, earthing/bonding, surge protection and generator alarm integration
• Networking knowhow across L1/L2 patching, optics selection (SR/LR/ER/ZR, DWDM/CWDM) and basic router/switch turn up
• Precision, diligence and ownership, with a first time right mindset
• Willingness to work after hours and late nights when required
• Structured troubleshooting ability under SLA pressure
• Clear written and verbal communication skills, with the ability to influence without authority and a willingness to share knowledge
• A valid driver's licence
• Readiness for after hours standby and travel
• Medical fitness for working at heights and manual handling

Responsibilities

• Review scopes of work, drawings, bills of materials and risks to produce task plans and pre install checklists
• Rack and stack carrier grade equipment, and build optical plants including cassettes, trays and splice closures
• Manage MPO connections, patch optics and label according to standards
• Test fibre using OTDR and inspection tools, documenting losses and end face images
• Commission rectifiers, 48V DC plants, battery stacks, A/B feeds and 3 phase AC distribution
• Perform generator start and stop tests and alarm tests, and set up basic DC cooling for small POPs and data centres
• Apply installation standards covering torque specs, bend radius, cable routing, labelling and earthing/lightning protection
• Run link and service tests, power failover and alarm tests, and compile photo logs and OTDR traces
• Update asset registers, patch schedules, rack elevations and ticketing systems
• Perform advanced fault isolation across optical, RF and power systems, restoring services within SLA
• Contribute to root cause analyses and standards improvements alongside the NOC and Project teams

Skills

Networking knowhow

Documentation

Fault isolation

Troubleshooting

Communication

Education

MTCNA/CCNA

FOA CFOT or equivalent

Tools

OTDR testing

MPO connections

Job description

Are you a senior, hands on field specialist with deep technical expertise across fibre, wireless and power systems? Join our Networks team as a Network Infrastructure Specialist in Tshwane, where you'll plan, install, commission and quality assure builds at fibre POPs, large towers and data centres.

This role is perfect for a precise, safety conscious specialist who takes ownership of every build, delivers first time right results, and thrives in high availability environments.

What you'll do:

• Review scopes of work, drawings, bills of materials and risks to produce task plans and pre install checklists
• Rack and stack carrier grade equipment, and build optical plants including cassettes, trays and splice closures
• Manage MPO connections, patch optics and label according to standards
• Test fibre using OTDR and inspection tools, documenting losses and end face images
• Commission rectifiers, 48V DC plants, battery stacks, A/B feeds and 3 phase AC distribution
• Perform generator start and stop tests and alarm tests, and set up basic DC cooling for small POPs and data centres
• Apply installation standards covering torque specs, bend radius, cable routing, labelling and earthing/lightning protection
• Run link and service tests, power failover and alarm tests, and compile photo logs and OTDR traces
• Update asset registers, patch schedules, rack elevations and ticketing systems
• Perform advanced fault isolation across optical, RF and power systems, restoring services within SLA
• Contribute to root cause analyses and standards improvements alongside the NOC and Project teams

What you'll need:

• Grade 12
• MTCNA or CCNA
• FOA CFOT or equivalent
• Working at Heights and Fall Arrest, First Aid, Fire Fighting and Electrical certification
• 5+ years of experience as a senior field technician across fibre, microwave and DC power in POPs, towers or data centres, under strict uptime and change control
• Proven delivery of carrier grade equipment, large optical plant builds, and 48V DC/3 phase AC systems with generator and solar interfacing
• Strong documentation skills covering cable routing, labelling, rack elevations, patching plans and asset updates
• Advantageous: certified splicing and OTDR training, tower work on microwave systems, and high availability operations experience
• Solid understanding of fibre splicing, OTDR testing, cleanliness and inspection standards, MPO connections and loss budgets
• Working knowledge of microwave planning and alignment, spectrum analysis and weatherproofing
• Familiarity with 3 phase AC basics, DC plant sizing and autonomy, battery safety, earthing/bonding, surge protection and generator alarm integration
• Networking knowhow across L1/L2 patching, optics selection (SR/LR/ER/ZR, DWDM/CWDM) and basic router/switch turn up
• Precision, diligence and ownership, with a first time right mindset
• Willingness to work after hours and late nights when required
• Structured troubleshooting ability under SLA pressure
• Clear written and verbal communication skills, with the ability to influence without authority and a willingness to share knowledge
• A valid driver's licence
• Readiness for after hours standby and travel
• Medical fitness for working at heights and manual handling

What we offer:

• Exposure to a dynamic workplace
• A chance to grow your skills through our internal academy
• A friendly, team-driven environment
• Group Risk Benefits
• Medical Benefits
• Health and Lifestyle Programmes

Important Disclaimer:

• Please ensure that the information you provide in your application is true, accurate, and correct.
• Preference will be given to candidates from Designated Groups, as defined by the Employment Equity Act and in line with Herotel's Employment Equity Plan.
• By submitting an application, you consent to the processing of your personal information in accordance with POPIA for recruitment purposes. For more details on how we handle personal information, please refer to our Privacy Policy on our website.
• If you do not hear from us within 14 days, please consider your application unsuccessful.