OT Security Engineer--Work From Office

4 weeks ago

Hyderabad, India Ultraviolet Cyber Full time

Job description

Job Role : OT Security Engineer--Work From Office
Experience : 8 to 13 Yrs
Key Skills: PLCs, HMIs, SCADA, NIST CSF, IEC 62443
Notice Period : 0 to 15 days(Must)

Should be willing to work in second shift
Office Address : Cyber Towers, Quadrant 3, 3rd floor, Madhapur, Hyderabad

We are looking for a hands-on and motivated OT Security Analyst with around 3 years of experience in securing Operational Technology (OT) and Industrial Control Systems (ICS) environments. This role will support the implementation and improvement of our manufacturing security program. You will play a key part in shaping OT security strategies, supporting the deployment of security controls, and collaborating with cross-functional teams to strengthen our OT security posture.

Key Responsibilities:

  • Implement and support security controls for PLCs, HMIs, SCADA systems, RTUs, and other OT assets.
  • Perform risk assessments, define segmentation strategies, and contribute to OT security baselines.
  • Work with OT security tools such as Claroty, Nozomi, Armis, or to monitor and protect industrial networks.
  • Collaborate with plant operations, engineering, and OT vendors for secure implementation and lifecycle support.
  • Assist in SIEM log integration, alert triage, and incident investigation related to OT systems.
  • Support network segmentation, firewall configuration, and passive traffic monitoring within OT environments.
  • Participate in the creation of documentation, playbooks, and process improvements for OT security operations.

Required Skills & Qualifications:

  • 6+ years of experience in OT/ICS cybersecurity or related roles.
  • Strong understanding of ICS protocols like Modbus, DNP3, OPC, etc.
  • Experience with industrial devices and systems (PLCs, SCADA, RTUs, robotic automation).
  • Familiarity with OT-specific risks and the unique constraints of industrial environments.
  • Exposure to OT security tools (e.g., Claroty, Nozomi, Armis, ).
  • Working knowledge of SIEM tools, firewalls, and network segmentation in OT setups.
  • Good communication skills and the ability to work with multi-disciplinary teams.

Preferred (Nice to Have):

  • Certifications like GICSP, GRID, IEC 62443 or other OT security credentials.
  • Familiarity with NIST CSF, IEC 62443, or related cybersecurity frameworks.
  • Experience working in manufacturing or industrial sectors.

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