Job Summary
Key Responsibilities
2. To perform value addition activities such as mentoring administrators/team members, preparing SOPs, maintaining effective documentation simultaneously and Knowledge sharing.
3. To participate in Change Order Implementation Plan & Human Error Compliance and participate in Capacity planning.
4. To ensure positive customer feedback & satisfaction through active participation in customer meetings to understand any issues faced.
5. To validate analyses (eg. Root Cause Analysis ,Trend Analysis) and reports to facilitate performance in tasks to be presented to key business stakeholders.
Skill Requirements
JD 1: OT - TxONe
TxONe L2 – OT Security Consultant
Responsibilities:
Ensure security and compliance of OT environments.
Manage security incidents and implement security measures.
Support TxONe platform operations including signature updates and vulnerability checks.
Coordinate with vendors for issue resolution and patch management.
Assist in periodic risk assessments and compliance audits.
Required Skills:
Strong understanding of OT protocols and legacy systems.
Familiarity with TxONe anti-malware solutions for OT.
Incident handling and escalation processes.
Basic knowledge of SIEM/SOAR integration.
Good communication and documentation skills.
Experience:
4–8 years in OT security operations with exposure to TxONe platform.
Certifications:
TxONe Level 1 & Level 2 Certification.
Basic ICS/OT Security certifications (e.g., GICSP).
TxONe L3 – Advanced OT Security Specialist
Responsibilities:
Handle advanced configuration and management of TxONe in OT environments.
Perform root cause analysis for complex OT vulnerabilities.
Engage in compliance audits and risk mitigation strategies.
Provide guidance for OT security architecture and integration with SIEM/SOAR.
Lead incident response for critical OT security events.
Required Skills:
Deep expertise in TxONe platform and OT security frameworks.
Ability to troubleshoot beyond standard IT issues (focus on OT-specific threats).
Strong knowledge of ICS/IIoT security and regulatory standards.
Experience in advanced threat hunting and forensic analysis.
Excellent leadership and vendor management skills.
Experience:
8+ years in OT security with advanced TxONe configuration and compliance expertise.
Certifications:
TxONe Level 3 Certification.
Advanced ICS/OT Security certifications (e.g., GRID, ISA/IEC 62443)
JD 2: OT - Nazomi
OT Security Analyst – L2 (Nozomi)
Role Focus: Monitoring, triage, and initial investigation of OT security events
Key Responsibilities:
Monitor Nozomi dashboards, alerts & anomalies
Perform L2 triage, enrichment & escalation
Validate OT protocol deviations (Modbus, DNP3, IEC-104)
Review asset inventory & behavioural baselines
Conduct appliance/collector health checks
Prepare daily/weekly OT threat reports
Skills:
OT protocol understanding, basic PCAP review
Good knowledge of ICS systems (PLC, RTU, SCADA)
Basic network fundamentals (TCP/IP, VLANs)
OT Security Specialist – L3 (Nozomi)
Role Focus: Advanced investigation, architecture, threat hunting & platform tuning
Key Responsibilities:
Lead full incident lifecycle & deep-dive analysis
Detection tuning, custom use-case creation
Nozomi deployment, upgrades & architecture design
Integration with SIEM/SOAR/firewalls
Advanced OT threat hunting & risk assessments
Guide L1/L2 teams; create SOPs/playbooks
Skills:
Deep OT protocol expertise & packet-level analysis
Strong OT networking (Purdue model, segmentation)
Experience with OEM ICS systems (Siemens, ABB, Rockwell)
Strong documentation, design & leadership