Sumit Khair
Pune, Maharashtra 411057
Summary
Dynamic cybersecurity leader, specializing in OT/ICS integration and digital transformation. Achieved a 95% Customer Satisfaction Index by driving strategic programs and mentoring teams. Expert in risk assessment and stakeholder management, leveraging strong technical governance to deliver impactful solutions in complex environments.
Overview
22
22
years of professional experience
Work History
Principal OT Cybersecurity Consultant
TATA Consultancy Services Ltd
02.2018 - Current
- Led strategic OT/ICS cybersecurity programs globally, achieving over 95% Customer Satisfaction Index.
- Translated C-suite business requirements into actionable technical strategies aligned with enterprise objectives.
- Drove full project lifecycle for OT security tools, from solution design to successful implementation.
- Leveraged vendor partnerships to convert competitive bids into successful projects, showcasing strong leadership.
- Developed robust technical governance frameworks with reusable playbooks and risk assessment methodologies.
- Mentored junior consultants, enhancing team expertise and overall capabilities.
- Acted as Subject Matter Expert for IT/OT convergence, integrating OT security into risk management frameworks.
Functional Consultant | Digital Transformation Lead
TATA Consultancy Services Ltd
01.2014 - 01.2018
- Spearheaded Industry 4.0 implementation initiatives for global manufacturing and utility clients.
- Architected 'Shop Floor to Top Floor' integration solutions, achieving comprehensive digital transformation.
- Drove design and integration of centralized SCADA system for over 15 remote installations as on-site project manager.
- Provided technical leadership for RFP responses and solution design for major water utility clients.
- Managed integration of custom manufacturing execution system with various control systems.
- Developed real-time operational dashboards for consolidated plant views and event tracking.
Team Lead and Project Management
SIEMENS LTD
01.2009 - 01.2014
- Managed full project lifecycle for one of India’s largest greenfield chemical plants.
- Executed critical 48-hour DCS migration with zero post-commissioning failures.
- Oversaw complex process automation projects from conceptualization to delivery.
- Conducted regular review meetings with stakeholders to monitor progress and resolve issues.
Engineering – Control System Design & Commissioning
SIEMENS LTD
01.2005 - 01.2009
- Commissioned Distributed Control Systems (DCS) for process plants at global sites including India, Germany, and Vietnam.
- Developed software templates and system architectures for third-party device interfaces.
- Designed network schematics to enhance connectivity with external devices.
- Executed projects across diverse international locations, ensuring compliance with local regulations.
Network Implementation Engineer
TATA Teleservices (M) Ltd
01.2004 - 01.2005
- Executed end-to-end installation and commissioning of backbone SDH network.
- Cultivated stakeholder management skills through collaboration with diverse teams during project lifecycle.
Education
MBA - Finance
Mumbai University
Mumbai01.2013
B.E. - Electronics
Pune University
01.2004
Diploma - Industrial Electronics
MSBTE
Mumbai01.2001
Skills
Cybersecurity strategy and advisory
- Executive stakeholder management
- Strategic program governance
- Digital transformation leadership
- IT and OT integration
- RFP response and solution development
Technical Leadership
- OT security tools evaluation
- ICS architecture and integration
- Industrial protocol expertise
- SIEM for OT and ICS environments
- Enterprise asset management
- Technical design and commissioning
Frameworks & Compliance
- IEC 62443 compliance
- NIST 800-82 standards
- NIS2 compliance and NIST CSF
- Zero trust architecture principles
- Purdue model framework
- Risk assessment and quantification
- Cybersecurity fundamentals
- Industrial DMZ design
Accomplishments
- Drove significant revenue growth by translating business requirements into a high-visibility OT security program that I orchestrated and expanded from 18 to over 30 sites
- Directed the creation of a standardized global remediation plan, securing multi-tiered buy-in from plant-level engineering teams, up to global directors, across 50+ facilities
- Orchestrated the on-schedule delivery of a multi-country OT cybersecurity program during the COVID-19 pandemic, successfully navigating significant logistical challenges for personnel and equipment
- Secured a 95%+ customer satisfaction index (CSI) and received the 'Project Execution Excellence and Cybersecurity Impact Award' from TCS for consistently delivering high-quality cybersecurity transformations
- Converted competitive RFPs into wins by leveraging strategic partnerships with vendors such as Microsoft and Claroty to deliver comprehensive architectural solutions
- Personally led and executed a critical 48-hour DCS migration with zero post-commissioning failures, showcasing expertise in a high-stakes operational environment
Technical Expertise Tools
Armis, Claroty, Dragos, Tenable OT, Nozomi, Microsoft Defender for IoT, Honeywell ICS Shield, Splunk SIEM, CrowdStrike, Palo Alto, FortiGate UTM, FortiSandbox, FortiDeceptor, Recorded Future, Siemens PCS7, Siemens WinCC, Rockwell Automation, Schneider Electric, Wonderware, ABB System 800xA, Emerson DeltaV, OSIsoft PI, Honeywell Experion, Modbus TCP/RTU, PROFINET, PROFIBUS, OPC-UA, Foundation Fieldbus, EtherNet/IP, DeviceNet, HART, DNP3, IEC 61850, AutoCAD, EPLAN, SAP-ERP Integration, MQTT, Skelta BPM
Industries Served
Chemicals and petrochemicals| Power and utilities | Water and Wastewater Treatment | Renewable energy | Food and beverage | Automotive | Electronics
Certifications /Trainings / BootCamps attended
- Write Later
References
References available upon request.
Languages
Marathi
First Language
English
Upper Intermediate (B2)
B2
Hindi
Upper Intermediate (B2)
B2
Community & Professional Engagement
- TCS Maitree Initiative: Active member leading sustainability, social impact, and employee engagement programs within the TCS corporate social responsibility framework
- Technology outreach: frequent contributor to community-based technology education programs, focusing on cybersecurity awareness and youth development in STEM fields
Timeline
Principal OT Cybersecurity Consultant
TATA Consultancy Services Ltd
02.2018 - Current
Functional Consultant | Digital Transformation Lead
TATA Consultancy Services Ltd
01.2014 - 01.2018
Team Lead and Project Management
SIEMENS LTD
01.2009 - 01.2014
Engineering – Control System Design & Commissioning
SIEMENS LTD
01.2005 - 01.2009
Network Implementation Engineer
TATA Teleservices (M) Ltd
01.2004 - 01.2005
MBA - Finance
Mumbai University
B.E. - Electronics
Pune University
Diploma - Industrial Electronics
MSBTE
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