Senior Network Engineer (Tier 3) - Core Infra & Incident Response

Herotel 5F74Feffb7E1; South Africa; On-site; ZAR 650,000 - 1,200,000; Full time

Benefits offered by this job

Group Risk Benefits

Medical Benefits

Health and Lifestyle Programmes

Job summary

Herotel is seeking a Network Engineer – Tier 3 for its Plattekloof operation. You will maintain and optimise core network infrastructure, troubleshoot complex issues, and support Tier 4 during major incidents.

Expect hands-on configuration, documentation updates, and collaboration with multiple technical teams to ensure secure, high-performing networks. The role requires a minimum of 3 years in network engineering, strong knowledge of BGP/OSPF/MPLS, MikroTik hardware, and relevant

Qualifications

• Minimum 3 years of experience in a network engineering environment.
• Strong working knowledge of BGP, OSPF, MPLS, routing, switching, and MikroTik hardware.
• Solid understanding of TCP/IP, DNS, DHCP, routers, IP routing, and switching technologies.
• Ability to work independently in high-pressure and time-sensitive environments.
• Strong customer service orientation with professional communication skills.
• Excellent problem-solving, analytical, and fault-finding abilities.
• Strong organisational, administrative, and time management skills.
• Ability to work effectively within a team and across technical departments.
• Juniper network experience is advantageous.
• Minimum MTCNA certification.
• MTCRE certification recommended.
• CompTIA N+ is advantageous.
• CompTIA A+ is advantageous.
• Additional networking diplomas or certificates are beneficial.

Responsibilities

• Escalate complex issues to Network Engineers Tier 4 where required.
• Monitor, troubleshoot, and resolve network systems issues, escalating to relevant departments when necessary.
• Maintain and update all network-related documentation to ensure accuracy and compliance.
• Support Tier 4 Engineers during major incidents, outages, and emergency scenarios.
• Implement approved network change plans in line with operational standards and RFCs.
• Handle technical escalations from Helpdesk Agents (Tier 2) and provide expert-level support.
• Manage incident resolution processes, including communication with relevant stakeholders.
• Configure and programme network equipment according to defined standards and RFCs.
• Maintain and support core network technologies including: OSPF routing (Intermediate +), MikroTik routers (Intermediate +), Layer 2 switching (Intermediate +), General networking (Intermediate +).
• Perform router setup, installation, configuration, and ongoing management.
• Manage IP planning, allocation, and configuration across network environments.
• Design, implement, and maintain firewall configurations and policies.
• Maintain core functionality of VAS products and systems within the network environment.
• Compile and deliver monthly and weekly reports on network backhaul capacity and performance.
• Provide direct support for VIP and off-net clients, ensuring high service quality standards.
• Assist RF and access network teams with site planning, design, and development.
• Participate in ad hoc operational duties as required by the business.
• Operate within standard working hours, with potential after-hours support during outages or operational requirements.

Skills

BGP knowledge

OSPF

MPLS

routing

switching

MikroTik hardware

TCP/IP

DNS

DHCP

IP routing

Education

MTCNA certification

MTCRE certification recommended

CompTIA N+ advantageous

CompTIA A+ advantageous

Networking diplomas/certificates

Tools

Juniper

Job description

Herotel is seeking a Network Engineer – Tier 3 for its Plattekloof operation. You will maintain and optimise core network infrastructure, troubleshoot complex issues, and support Tier 4 during major incidents.

Expect hands-on configuration, documentation updates, and collaboration with multiple technical teams to ensure secure, high-performing networks. The role requires a minimum of 3 years in network engineering, strong knowledge of BGP/OSPF/MPLS, MikroTik hardware, and relevant