Senior Network Engineer, Enterprise Security & Infrastructure

Placements24; Mbombela (Nelspruit); On-site; ZAR 720,000 - 1,100,000; Full time

Benefits offered by this job

Medical aid

Retirement fund

Annual leave

Job summary

Placements24 is seeking a Senior Network Engineer to design, implement, and manage a secure, high-performance enterprise network in Nelspruit, Mpumalanga. You will oversee LAN/WAN/VPN and wireless, enforcing security policies and optimizing performance.

You will lead network security initiatives, mentor junior engineers, and ensure regulatory compliance while staying current with emerging threats. This on-site role offers a challenging, rewarding environment within a large organization.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• 5+ years of experience in enterprise network engineering with a significant focus on security.
• In-depth knowledge of routing protocols (BGP, OSPF), switching technologies, and network security principles.
• Experience with firewalls (Palo Alto, Cisco ASA), VPNs, and IDS/IPS systems.
• Proficiency with network monitoring tools such as SolarWinds and Wireshark.

Responsibilities

• Design, implement, and manage enterprise-level network infrastructure (LAN, WAN, VPN, wireless).
• Develop and enforce network security policies and procedures (firewall management, IDS/IPS, access controls).
• Monitor network performance and security; proactively identify and resolve issues.
• Plan and execute upgrades/maintenance with minimal disruption.
• Collaborate with IT teams to integrate network solutions with other infrastructure.
• Troubleshoot complex connectivity and performance problems.
• Stay current with emerging network technologies and security threats.
• Provide technical leadership and mentorship to junior engineers.
• Ensure compliance with industry standards and regulatory requirements.

Skills

BGP/OSPF

Firewall & IDS/IPS

VPN tech

Network monitoring

Cloud networking

Security certifications

Education

Bachelor's degree in CS/IT

Tools

SolarWinds

Wireshark

Palo Alto

Cisco ASA

AWS VPC

Azure VNet

Job description

Placements24 is seeking a Senior Network Engineer to design, implement, and manage a secure, high-performance enterprise network in Nelspruit, Mpumalanga. You will oversee LAN/WAN/VPN and wireless, enforcing security policies and optimizing performance.

You will lead network security initiatives, mentor junior engineers, and ensure regulatory compliance while staying current with emerging threats. This on-site role offers a challenging, rewarding environment within a large organization.