Senior Network Operations Engineer

Hire Resolve; Johannesburg; On-site; ZAR 420,000 - 900,000; Full time

Benefits offered by this job

Competitive salary based on experience

Job summary

A leading telecommunications company in Johannesburg is seeking a highly skilled Infrastructure Engineer to join their Network Operations team. This role involves providing expert support for complex network issues, managing core systems, and mentoring junior engineers. Ideal candidates should have advanced proficiency in networking protocols and strong security expertise. A competitive salary based on experience is offered, along with the chance to contribute to key network strategies and optimizations.

Qualifications

• Provide expert-level support for complex network and voice connectivity issues.
• Manage full lifecycle of core network systems, maintaining compliance.
• Monitor and optimize performance in carrier-grade networks.
• Ability to lead projects, mentor staff, and communicate technical solutions to stakeholders.
• Self-driven, detail-oriented with continuous improvement mindset; scripting is a plus.

Responsibilities

• Lead diagnosis and resolution of critical network issues.
• Participate in an on-call rotation for incident response.
• Produce high-quality technical documentation and SOPs.
• Contribute to technical strategy, architecture oversight, and client/vendor engagements.
• Act as senior escalation point, mentor juniors, and participate in on-call rotation.
• Ensure regulatory compliance (e.g., ICASA, POPIA) and produce high-quality technical documentation.

Skills

Advanced proficiency in routing and switching protocols (BGP, OSPF, MPLS, VLANs, STP)

Strong expertise in network security principles

Proven experience with carrier-grade hardware

Demonstrated ability to lead projects

Self-driven and focused on continuous improvement

Education

CCNP (Cisco Certified Network Professional) or higher

JNCIA / JNCIP (Juniper Networks Certified Internet Associate/Professional)

ITIL Foundation or equivalent

Security/cloud networking certifications (advantageous)

Tools

Cisco devices

Juniper devices

Fortinet devices

Job description

An established telecommunications and technology solution provider is seeking a highly skilled Infrastructure Engineer to join their Network Operations team.

Responsibilities:

• Advanced Support & Resolution: Provide expert-level support and lead the diagnosis/resolution of complex, critical network, and voice connectivity issues (routers, switches, firewalls, APNs, wireless) in alignment with SLAs.

• Configuration & Maintenance: Own the full lifecycle management of core network systems, including configuration, implementation, upgrades, patching, and change management following ITIL best practices.

• Performance & Optimisation: Proactively monitor, analyse, and optimise performance in high-availability, carrier-grade networks using advanced tools.

• Architecture & Strategy: Provide input to technical strategy, market evolution, and architecture oversight. Engage with clients and vendors to translate requirements into effective network solutions.

• Escalation & Leadership: Act as a senior escalation point, provide mentorship to junior engineers, and participate in an on-call rotation for critical incident response and service restoration.

• Compliance & Documentation: Ensure network operations adhere to regulatory compliance (ICASA, POPIA, etc.) and security best practices. Produce and maintain high-quality technical documentation and SOPs.

Minimum Requirements:

• Networking Expertise: Advanced proficiency in routing and switching protocols (BGP, OSPF, MPLS, VLANs, STP).

• Security Acumen: Strong expertise in network security principles, including firewall design, VPNs, IDS/IPS, and threat mitigation.

• Hands-on Experience: Proven experience with carrier-grade hardware (e.g., Cisco, Juniper, Fortinet) and troubleshooting complex multi-technology environments (IP, voice, cloud, SD-WAN, hybrid networks).

• Leadership & Communication: Demonstrated ability to lead projects, mentor staff, and translate technical solutions into clear business impact for stakeholders.

• Personal Attributes: Self-driven, focused on continuous improvement, exceptional problem analysis, adaptability, and attention to detail. Basic scripting skills are a plus.

Qualifications (Advantageous)

• CCNP (Cisco Certified Network Professional) or higher (CCIE preferred)

• JNCIA / JNCIP (Juniper Networks Certified Internet Associate/Professional)

• ITIL Foundation or equivalent

• Additional certifications in security (CISSP, Fortinet NSE) or cloud networking.

Benefits:

• Competitive salary based on experience (salary can potentially be more based on experience/skills)

IFyou meet the above requirements and want to make a career-changing move, apply today by emailing your CV to [e-mail]