OT Network Engineer: Secure Industrial VLANs & Segmentation

AVeS Cyber Security; Johannesburg; On-site; ZAR 600,000 - 900,000; Full time

Job summary

AVeS Cyber Security in Johannesburg is seeking an OT-focused Network Engineer to design, deploy and manage secure network solutions for industrial environments, with emphasis on switching, VLANs and safe OT/IT segmentation.

Requirements include 3–5 years in network engineering, 1–2 years OT experience, a Bachelor’s degree in CS/IT, and certifications such as CCNA, CCNP or GICSP. Strong analytical, communication, and teamwork skills are essential.

Qualifications

• Bachelor's degree in Computer Science, IT, or related field.
• 3–5 years of network engineering experience, 1–2 years in OT environments.
• Relevant certifications such as CCNA, CCNP, or GICSP are highly desirable.

Responsibilities

• Design, deploy and manage secure OT network solutions, focusing on switching and VLANs.
• Ensure OT/IT segmentation to enhance security and performance.
• Troubleshoot Layer 2/3 issues in industrial environments.
• Implement VLAN architectures to support traffic segregation and scalability.
• Collaborate with OT engineers and cybersecurity specialists to align with standards like IEC 62443.

Skills

Layer 2/3 networking

OT cybersecurity

Analytical thinking

Effective communication

Education

Bachelor's degree in Computer Science or Information Technology

Equivalent experience

Tools

CCNA

CCNP

GICSP

Job description

AVeS Cyber Security in Johannesburg is seeking an OT-focused Network Engineer to design, deploy and manage secure network solutions for industrial environments, with emphasis on switching, VLANs and safe OT/IT segmentation.

Requirements include 3–5 years in network engineering, 1–2 years OT experience, a Bachelor’s degree in CS/IT, and certifications such as CCNA, CCNP or GICSP. Strong analytical, communication, and teamwork skills are essential.