Senior Network Infrastructure Engineer

Placements24; Gauteng; Hybrid; ZAR 900,000 - 1,300,000; Full time

Benefits offered by this job

Medical aid

Dental coverage

Pension fund

Job summary

Placements24 seeks a Senior Network Infrastructure Engineer in Pretoria to design, implement, and manage our client's robust network landscape. You will lead complex LAN/WAN/WLAN projects, configure security devices, and drive high-availability networking across internal and client-facing services.

The role requires 6+ years in enterprise networking, strong BGP/OSPF knowledge, and hands-on security tooling experience.

Qualifications

• 6+ years in network engineering for enterprise-scale infrastructures.
• Strong knowledge of TCP/IP, routing protocols and VPNs.
• Experience with network security solutions and IDS/IPS.
• Experience with monitoring tools and cloud networking concepts.

Responsibilities

• Design, implement, and maintain complex network infrastructures (LAN/WAN/WLAN).
• Configure routers, switches, firewalls, and load balancers.
• Monitor performance and security; resolve bottlenecks and threats.
• Develop network security policies and procedures.
• Troubleshoot connectivity and performance issues.
• Plan upgrades and migrations with minimal service disruption.
• Collaborate with IT teams for integration.
• Stay current with network technologies and best practices.
• Create and maintain network documentation; mentor junior engineers.

Skills

TCP/IP

BGP

OSPF

Firewalls

Network security

WAN/LAN design

Network monitoring

Cloud networking

Leadership

Troubleshooting

Education

Bachelor's degree in CS/IT or equivalent

Tools

SolarWinds

Nagios

Palo Alto

Cisco ASA

AWS

Azure

Job description

About the Role

Our client, a prominent technology solutions provider, is seeking an experienced Senior Network Infrastructure Engineer to join their team in Pretoria. This role is critical for designing, implementing, and managing the company's robust network infrastructure. You will be responsible for ensuring the reliability, security, and performance of our client's networks, supporting both internal operations and client-facing services. The ideal candidate possesses deep technical expertise in network architecture, protocols, and security, coupled with strong leadership potential. This is an exciting opportunity to shape the future of our client's network landscape in Pretoria and beyond.

Key Responsibilities

• Design, implement, and maintain complex network infrastructures, including LAN, WAN, and wireless networks.
• Configure and manage network hardware such as routers, switches, firewalls, and load balancers.
• Monitor network performance and security, identifying and resolving bottlenecks or potential threats.
• Develop and implement network security policies and procedures to protect company data and systems.
• Troubleshoot network connectivity and performance issues, providing timely and effective solutions.
• Plan and execute network upgrades and migrations, minimizing disruption to services.
• Collaborate with other IT teams to ensure seamless integration of network infrastructure with other systems.
• Stay current with emerging network technologies and best practices, recommending improvements.
• Create and maintain comprehensive network documentation, including diagrams, configurations, and procedures.
• Provide technical guidance and mentorship to junior network engineers.

Requirements

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
• Minimum of 6 years of experience in network engineering, with a strong focus on enterprise-level infrastructures.
• In-depth knowledge of TCP/IP, routing protocols (e.g., BGP, OSPF), switching technologies, and VPNs.
• Hands-on experience with network security solutions, including firewalls (e.g., Palo Alto, Cisco ASA) and intrusion detection/prevention systems.
• Experience with network monitoring tools (e.g., SolarWinds, Nagios).
• Proficiency in network virtualization technologies and cloud networking concepts (AWS, Azure).
• Strong analytical and problem-solving abilities.
• Excellent communication and teamwork skills.
• Relevant industry certifications such as CCNA, CCNP, or equivalent are highly desirable.
• Ability to work under pressure and manage critical network incidents effectively.

Benefits

• Our client offers a competitive salary and a comprehensive benefits package, including medical aid, dental coverage, and a pension fund. Employees have access to continuous learning opportunities and professional development programs to enhance their skills. Opportunities for career advancement are significant for high-achievers within the organization. The role offers a blend of on-site and remote work, providing flexibility for our team members in Pretoria. A supportive team environment and challenging projects await the successful candidate. Join us in shaping the future of technology.