OT Security Consultant

Job Description

OT Security Consultant

We
are looking for two experienced OT Security Consultants to join our team in
Navi Mumbai. The ideal candidates will bring strong expertise in Operational
Technology (OT) / Industrial Control Systems (ICS) security, hands-on
experience designing and deploying Armis, sound knowledge of the IEC 62443
series of standards, and demonstrated capability in conducting OT risk
assessments for industrial and critical infrastructure environments.

•          Design, plan, and lead
deployment of Armis (or similar OT/IoT asset visibility and security platforms)
across client industrial environments, including sensor placement, network
architecture review, and integration with existing IT/OT infrastructure.

•          Conduct OT/ICS risk
assessments, vulnerability assessments, and gap analyses aligned with IEC 62443
and other relevant OT security frameworks (NIST CSF, NERC CIP, etc.).

•          Develop and support
implementation of OT security architecture, zone and conduit segmentation
models, and defense-in-depth strategies as per IEC 62443 principles.

•          Perform asset discovery,
inventory, and classification of OT/ICS assets (PLCs, RTUs, DCS, SCADA, HMIs)
using Armis and related tools.

•          Support incident
response, threat detection, and monitoring activities for OT environments.

•          Prepare detailed
technical documentation, risk reports, security policies, and remediation
roadmaps for client stakeholders.

•          Engage with client OT,
IT, engineering, and plant teams to gather requirements, present findings, and
drive security improvement initiatives.

•          Stay current with
emerging OT/ICS threats, vulnerabilities, and industry best practices, and
provide advisory support to clients accordingly.

•          Collaborate with
cross-functional teams (SOC, network, compliance) to ensure OT security
controls are effectively integrated into the broader security program.

•          Strong working knowledge
of IEC 62443 standards (security levels, zones & conduits, risk assessment
methodology, and lifecycle requirements).

•          Hands-on experience in
the design, deployment, and configuration of Armis in OT/industrial
environments.

•          Proven experience
conducting OT/ICS risk assessments, vulnerability assessments, and security
audits.

•          Solid understanding of
ICS/SCADA architectures, protocols (Modbus, DNP3, OPC, Profinet, etc.), and
industrial network components.

•          Familiarity with OT
security frameworks and guidelines such as NIST SP 800-82, NERC CIP, and ISO
27001, in addition to IEC 62443.

•          Experience with network
segmentation, firewalls, and monitoring solutions in OT environments.

•          Strong analytical,
documentation, and client communication skills.

•          Ability to work on-site
with plant/engineering teams and manage stakeholder expectations independently.

•          Bachelor's degree in
Engineering, Computer Science, Information Security, or a related field.

•          Relevant certifications
such as GICSP, CRISC, ISA/IEC 62443 Cybersecurity Certifications, CISSP, or CEH
will be an added advantage.

•          Prior experience working
with manufacturing, energy, utilities, oil & gas, or other critical
infrastructure sectors.

•          Experience of 3-6 years
in OT/ICS security consulting or a related domain.

Navi
Mumbai. Candidates should be willing to work from the office and travel to
client/plant sites as required.