JOB SUMMARY
The OT (Operational Technology) Network and Firewall Specialist is responsible for the design, implementation, management, and monitoring of network security within OT environments. This role ensures the integrity, confidentiality, and availability of critical infrastructure systems by focusing on securing network architecture and firewalls in industrial control systems (ICS), SCADA systems, and other OT networks integrated with Noble OT Data Management Platform.
QUALIFICATIONS
- Bachelor's degree in Information Technology, Computer Science, Cybersecurity, or a related field. Equivalent work experience may be considered.
- 3+ years of experience Enterprise Network Infrastructure routing and switching security, with a focus on OT environments.
- Proven experience with firewalls, network segmentation, and securing OT/ICS networks.
- Relevant certifications such as CISSP, GICSP, CCNP Security, or equivalent are preferred.
- Vendor-specific certifications and trainings (e.g., Claroty, Cisco, Palo Alto, Fortinet) are a plus.
- Strong understanding of OT security principles, including network segmentation, secure remote access, and SCADA system security.
- Proficiency with firewall technologies, VPNs, and intrusion detection/prevention systems.
- Experience with security monitoring tools and incident response in OT environments. (e.g. Solarwinds)
- Excellent problem-solving, analytical, written, and verbal communication skills.
- Ability to work independently and as part of a team in a fast-paced environment.
- May require on-call availability and occasional travel to remote sites.
- Excellent written and verbal communications skills in English.
- Willingness s to work in industrial environments, including offshore rigs.
- Travel may be required to perform job functions (est. 10%, domestic, international, & offshore).
ESSENTIAL FUNCTIONS
- Design and implement secure network architectures for OT environments, ensuring segmentation and isolation of critical systems.
- Collaborate with IT and vendor teams to integrate OT networks following security policies.
- Configure and maintain network devices, including routers, switches, and firewalls, in OT environments integrated with Noble real time data collection solution.
- Manage OT networks in multi-vendor environment (e.g. Cisco routers, Switches, Fortinet FortiGate, Palo Alto)
- Define, document, and enforce firewall policies and rules based on security best practices and organizational requirements.
- Conduct routine evaluations of network traffic demand, QoS and data security.
- Maintain up-to-date documentation of network configurations (experience with MS Excel, Word and Visio)
- Collaborate with Information Security team in Noble.
- Other duties and projects as assigned.
