OT Engineer
On-siteJohannesburg, Gauteng, South Africa
Job Summary
Design, deploy, and manage secure network solutions tailored for OT environments, focusing on switching and VLANs. Ensure segmentation and isolation of OT and IT networks to enhance security and performance. Troubleshoot complex network issues, including Layer 2 and Layer 3 configurations, and implement VLAN architectures to support traffic segregation and compliance. Conduct vulnerability assessments, apply mitigation strategies, and monitor network performance to respond proactively to risks. Collaborate with OT engineers, IT teams, and cybersecurity specialists to meet operational requirements while maintaining detailed documentation for all configurations and procedures.
Required Qualifications
- Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent experience)
- 3-5 years of experience in network engineering, with at least 1-2 years in OT environments
- Proven expertise in switching technologies, VLAN configurations, and OT-specific network design
- Strong knowledge of Layer 2 and Layer 3 networking
- Familiarity with OT cybersecurity frameworks like IEC 62443, NERC CIP, or NIST 800-82
- Experience configuring and securing enterprise-grade network devices (e.g., Cisco, Juniper, or equivalent)
- Understanding of firewalls, IDS/IPS, and other cybersecurity tools used in OT networks
Desired Qualifications
- Relevant certifications such as CCNA, CCNP, GICSP (Global Industrial Cyber Security Professional), or similar
- Hands-on experience with industrial protocols (e.g., Modbus, PROFINET, DNP3)
- Proficiency in routing protocols (e.g., OSPF, EIGRP, BGP)
- Knowledge of network monitoring and security tools, such as Wireshark, SolarWinds, or Splunk
- Strong analytical and problem-solving skills
- Effective communication and collaboration with diverse teams, including non-technical stakeholders
- Ability to work independently in high-pressure industrial environments
- Proactive mindset with a commitment to continuous learning in the OT cybersecurity space
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