OT Protocol and Device Specialist

3 days ago

Kanpur, Uttar Pradesh, India Acura Solution Full time ₹ 12,00,000 - ₹ 36,00,000 per year


Job Description:

Job Title: OT Protocol and Device Specialist
Job Summary:
We are looking for a talented and driven Industrial Network & Security Engineer to join our
OT SOC development team. In this role, you will be responsible for designing, securing, and
maintaining the IT-OT network infrastructure, configuring detection systems like Zeek and
Suricata, and ensuring the network complies with industrial cybersecurity standards. You'll work
closely with OT protocol analysts and ML engineers to monitor and secure real-time industrial
network traffic.

Key Responsibilities:

• Design and maintain secure IT-OT segmented networks, including VLANs, firewalls, and
routing policies.

• Configure and manage industrial network security devices including network taps, SPAN
ports, sensors, and IDS/IPS solutions such as Zeek and Suricata.

• Develop and fine-tune custom Suricata rule sets to match OT threat models and
operational contexts.

• Extend Zeek capabilities by adding new protocol dissectors and traffic parsers relevant to
ICS/SCADA environments.

• Manage secure remote access solutions including VPNs, jump servers, and bastion hosts
to control access between IT and OT systems.

• Work on hardening OT networks, implementing access controls, and minimizing attack
surfaces across industrial systems.

• Ensure compliance with industry standards and cybersecurity frameworks such as IEC
62443, NIST 800-82, and ISA 99.

• Collaborate with cross-functional teams including ML engineers, protocol analysts, and
plant operations to identify anomalies and optimize detection mechanisms.

• Support the build-out and daily operations of an OT Security Operations Center (SOC).

Required Qualifications:

• B.Tech / M.Tech in Electronics, Electrical, Computer Science, or related field.

• 3–6 years of experience in OT network management, ICS cybersecurity, or industrial
IT infrastructure.


• Strong understanding of industrial Ethernet, serial communication protocols (RS-
232/485), and typical fieldbus technologies.


• Hands-on experience with firewall configuration, VLAN segmentation, routing, and
network access control.

• Proficient in using and customizing network monitoring and intrusion detection tools
such as Suricata, Zeek, Snort, and Wireshark.

Preferred Qualifications:

• Certifications such as Cisco CCNA/CCNP, GICSP, or ISA/IEC 62443 Cybersecurity
Expert.

• Familiarity with ICS/SCADA systems and architectures from vendors like Siemens,
Schneider, ABB, or Rockwell.

• Experience in deploying or managing an OT SOC or SIEM in an industrial environment.

• Scripting or programming skills (e.g., Python, Lua, or Bash) for automating network
analysis or rule updates.

• Knowledge of MITRE ATT&CK for ICS or similar threat frameworks.

Why Join Us?

• Be part of a cutting-edge initiative to build a world-class OT Security Operations Center.


• Work hands-on with modern industrial detection tools like Zeek and Suricata in real-
world environments.


• Collaborate with domain experts in cybersecurity, machine learning, and protocol analysis.

• Tackle novel challenges in securing critical infrastructure and industrial systems.

• Opportunity to grow with a forward-thinking team focused on innovation and industrial
safety.


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