Senior Network Engineer - Infrastructure Security

Placements24; Randburg; Hybrid; ZAR 720,000 - 960,000; Full time

Benefits offered by this job

Hybrid work model

Health insurance

Retirement savings plan

PTO

Job summary

Placements24 in Randburg is seeking an experienced Senior Network Engineer to design, deploy, and maintain secure, high‑performance enterprise networks. You will manage routers, switches, firewalls, and VPNs while enhancing security posture and reliability across the organization.

The role requires 5+ years in network engineering, familiarity with TCP/IP, BGP, OSPF, and hands‑on experience with Palo Alto/Fortinet firewalls and VPNs. A hybrid work model is offered with growth opportunities.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent experience.
• 5+ years of experience in network engineering, with a focus on enterprise network design and security.
• Proficiency with various network protocols (TCP/IP, BGP, OSPF, etc.) and network hardware.
• Hands-on experience with network security technologies such as firewalls (e.g., Palo Alto, Fortinet), IDS/IPS, and VPNs.
• Experience with network monitoring and management tools (e.g., SolarWinds, Nagios).
• Relevant certifications such as CCNA, CCNP, or equivalent are highly desirable.

Responsibilities

• Design, deploy, and manage enterprise-level network infrastructure, including routers, switches, firewalls, and VPNs.
• Implement and maintain network security measures to protect against unauthorized access and cyber threats.
• Monitor network performance, identify bottlenecks, and implement solutions for optimization and capacity planning.
• Develop and maintain network documentation, including diagrams, configurations, and standard operating procedures.
• Troubleshoot and resolve complex network connectivity and performance issues across the organization.
• Stay current with emerging network technologies and security trends, recommending upgrades and improvements.

Skills

TCP/IP

BGP

OSPF

Firewalling

VPNs

Education

Bachelor's degree in Computer Science or related field

Tools

SolarWinds

Nagios

Palo Alto

Fortinet

Job description

About the Role

Our client is seeking an experienced Senior Network Engineer to enhance their network infrastructure and security posture in Randburg . You will be responsible for designing, implementing, and maintaining secure, reliable, and high-performance network solutions that support the organization's critical operations. This role requires a deep understanding of networking protocols, security best practices, and the ability to troubleshoot complex network issues. You will play a key role in ensuring the resilience and security of our client's digital backbone.

Key Responsibilities

• Design, deploy, and manage enterprise-level network infrastructure, including routers, switches, firewalls, and VPNs.
• Implement and maintain network security measures to protect against unauthorized access and cyber threats.
• Monitor network performance, identify bottlenecks, and implement solutions for optimization and capacity planning.
• Develop and maintain network documentation, including diagrams, configurations, and standard operating procedures.
• Troubleshoot and resolve complex network connectivity and performance issues across the organization.
• Stay current with emerging network technologies and security trends, recommending upgrades and improvements.

Requirements

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent experience.
• 5+ years of experience in network engineering, with a focus on enterprise network design and security.
• Proficiency with various network protocols (TCP/IP, BGP, OSPF, etc.) and network hardware.
• Hands-on experience with network security technologies such as firewalls (e.g., Palo Alto, Fortinet), IDS/IPS, and VPNs.
• Experience with network monitoring and management tools (e.g., SolarWinds, Nagios).
• Relevant certifications such as CCNA, CCNP, or equivalent are highly desirable.

Benefits

• Competitive salary and comprehensive benefits package.
• Hybrid work model offering flexibility and work-life balance.
• Excellent health, dental, and vision insurance coverage.
• Generous paid time off and retirement savings plan.
• Opportunities for advanced training and career advancement in network security.