Job Title : Senior Engineer – OT, IIoT and ISO Compliance
Location : Prithla, Palwal, Haryana
Budget : 08 - 10 LPA
Department : IT Service Center
Job Summary :
This role is pivotal in ensuring robust security, compliance, and operational excellence across the entire Operational Technology (OT), Industrial IoT (IIoT), and IT / OT convergence landscape. The engineer will lead lifecycle management, integration, and risk mitigation strategies while aligning with global standards such as ISO 27001, ISA / IEC 62443, and local data protection laws (e.g., DPDP). The engineer will lead technical initiatives, audits, and lifecycle management of OT / IIoT assets, while coordinating with global teams and local stakeholders.
Core Responsibilities :
OT Infrastructure & Lifecycle Management
- Manage legacy and modern OT assets including PLCs, SCADA, HMIs, mGuard firewalls, and
Windows XP-based systems.
Oversee patching mechanisms (e.g., Ivanti) for OT systems and coordinate extended support for EoL assets.Lead segmentation and retrofit projects using secure zoning architectures.Maintain detailed asset inventories and lifecycle documentation for audit readiness.IIoT Systems & Integration
Design and deploy IIoT solutions for predictive maintenance, real-time monitoring, and analytics.Integrate IIoT sensors and gateways with existing OT systems and cloud platforms.Ensure secure data transmission and storage across IIoT networks using encryption and accesscontrol.
Collaborate with production and automation teams to optimize IIoT deployments for operationalefficiency.
Security & Compliance
Implement OT security controls aligned with ISA / IEC 62443, ISO 27001, and corporate policies.Coordinate OT security audits, prepare documentation (e.g., BIA, asset lists, emergency plans), and respond to findings.Ensure physical and environmental security of OT environments.Monitor vulnerabilities (e.g., Windows 10 EOL) and isolate non-compliant systems.IT / OT Convergence & Risk ManagementConduct risk assessments and define mitigation strategies for OT / IIoT systems.Collaborate with global teams to implement centralized services and policy rollouts.Serve as liaison between IT, production, and facility teams for compliance and incident response.Audit, Documentation & Reporting
Maintain compliance documentation for ISO audits and internal governance reviews.Prepare and submit reports for weekly / monthly IMS progress, OT emergency drills, and assetlifecycle, project status.
Lead internal reviews and participate in global audit coordination with Corporate Audit teams.Required Qualifications :
Bachelor’s degree in Engineering, Computer Science, or related field.5+ years of experience in OT / IIoT systems and cybersecurity.Strong knowledge of ISA / IEC 62443, ISO 27001, NIST SP 800-82.Experience with SCADA, PLCs, HMI, mGuard, and IIoT platforms.Familiarity with risk frameworks and audit processes.Preferred Skills
Strong project management, documentation, presentation and audit coordination capabilities.Strong analytical and problem-solving abilities.Excellent communication and documentation skills.Ability to work across global teams and manage cross-functional initiatives.