Senior Network Security Engineer

Placements24; Upington; Hybrid; ZAR 900,000 - 1,400,000; Full time

Benefits offered by this job

Medical aid

Retirement fund

Training & certifications

Performance bonuses

Paid time off

Job summary

Placements24 is seeking an experienced Senior Network Security Engineer to join their IT infrastructure team in Upington, Northern Cape. The role focuses on designing, implementing, and managing the security of the company’s network infrastructure.

You will monitor threats, enforce security policies, conduct vulnerability assessments, and support growth with secure, high‑performing network services. A Bachelor’s degree and 5+ years in network engineering with a security specialization are

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent work experience.
• 5+ years of experience in network engineering with a specialization in network security.
• In-depth knowledge of TCP/IP, routing protocols (BGP, OSPF), and network security principles.
• Hands-on experience with firewalls (Palo Alto, Cisco ASA), VPN technologies, and IDS/IPS solutions.
• Experience with network monitoring and analysis tools (Wireshark, SolarWinds).
• Familiarity with cloud network security concepts is a plus.
• Security certifications such as CCNA Security, CCNP Security, or CISSP are highly desirable.
• Excellent problem-solving, analytical, and troubleshooting skills.
• Strong communication and teamwork abilities.

Responsibilities

• Design, implement, and maintain network security solutions, including firewalls, VPNs, IDS/IPS, and access control systems.
• Monitor network traffic for security threats and anomalies, and respond to security incidents promptly.
• Develop and enforce network security policies and procedures.
• Conduct regular security audits and vulnerability assessments of the network infrastructure.
• Collaborate with IT operations teams to ensure the security and integrity of network devices and services.
• Stay current with emerging network security threats, technologies, and best practices.
• Troubleshoot and resolve complex network security issues.
• Plan and execute network upgrades and enhancements with a focus on security.
• Provide technical guidance and support to junior network engineers.
• Ensure compliance with relevant security standards and regulations.

Skills

Network security

Problem-solving

Analytical thinking

Teamwork

Education

Bachelor's degree in CS/IT or related field

Tools

Palo Alto

Cisco ASA

Wireshark

SolarWinds

Job description

About the Role

Our client, a leading telecommunications provider, is seeking an experienced Senior Network Security Engineer to join their robust IT infrastructure team. This critical role, based in Upington, Northern Cape , focuses on designing, implementing, and managing the security of the company's network infrastructure. The ideal candidate will possess a deep understanding of network protocols, security technologies, and threat mitigation strategies. You will be instrumental in safeguarding the network against cyber threats, ensuring network availability, and supporting the company's growth. We are looking for a proactive and skilled engineer dedicated to maintaining a secure and high-performing network environment.

Key Responsibilities

Design, implement, and maintain network security solutions, including firewalls, VPNs, IDS/IPS, and access control systems. Monitor network traffic for security threats and anomalies, and respond to security incidents promptly. Develop and enforce network security policies and procedures. Conduct regular security audits and vulnerability assessments of the network infrastructure. Collaborate with IT operations teams to ensure the security and integrity of network devices and services. Stay current with emerging network security threats, technologies, and best practices. Troubleshoot and resolve complex network security issues. Plan and execute network upgrades and enhancements with a focus on security. Provide technical guidance and support to junior network engineers. Ensure compliance with relevant security standards and regulations.

Requirements

Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent work experience. 5+ years of experience in network engineering with a specialization in network security. In-depth knowledge of TCP/IP, routing protocols (BGP, OSPF), and network security principles. Hands-on experience with firewalls (e.g., Palo Alto, Cisco ASA), VPN technologies, and IDS/IPS solutions. Experience with network monitoring and analysis tools (e.g., Wireshark, SolarWinds). Familiarity with cloud network security concepts is a plus. Relevant security certifications such as CCNA Security, CCNP Security, or CISSP are highly desirable. Excellent problem-solving, analytical, and troubleshooting skills. Strong communication and teamwork abilities.

Benefits

Our client offers a competitive salary package, comprehensive medical aid, and a retirement fund. Employees are provided with ample opportunities for professional development, including specialized training, certifications, and attendance at industry conferences. This role offers the chance to work within a key infrastructure team for a significant player in the telecommunications sector, located in Upington, Northern Cape . The company promotes a collaborative and supportive work culture with clear pathways for career advancement. Performance bonuses and generous paid time off are also included, contributing to a rewarding employment experience.