Abhijeet Singh Manchanda
Noida
Summary
Dynamic OT Security professional with proven expertise at Rockwell Automation, leading SOC operations and enhancing incident response. Skilled in SIEM and vulnerability management, I excel in project coordination and mentoring teams. My proactive approach drives continuous improvement and optimizes security tooling for robust protection in hybrid IT/OT environments.
Overview
12
12
years of professional experience
1
1
Certification
Work History
Team Leader, OT SOC
Rockwell Automation
Noida
05.2021 - Current
- Lead day-to-day OT SOC operations across multiple industrial customer environments—covering ICS/SCADA assets, HMIs, engineering workstations, and critical networks.
- Coordinate incident detection, analysis, and response for OT alerts, including unauthorized protocol behavior and segmentation violations; manage escalations and communications.
- Develop and tune detections/use cases in SIEM mapped to MITRE ATT&CK for ICS; drive continual false-positive reduction with plant context.
- Integrated and optimized OT security tooling (e.g., Claroty, Dragos) and onboarded OT/IT log sources to enhance visibility.
- Authored and maintained OT-focused IR playbooks and runbooks; enforced SOC governance, SLAs, and KPIs (MTTD/MTTR) to ensure consistent response quality.
- Mentor analysts, deliver training, and run quality reviews; coordinate with plant engineers, OEM vendors, and network teams to support secure operations.
- Contributed to continuous improvement initiatives, rationalized tools, and reported progress to leadership and customer stakeholders.
Technology Analyst (Windows / VMware / Cloud)
Infosys Ltd.
Pune
09.2018 - 05.2021
- Led the Vulnerability & Patching team (20 members), managing end-to-end change processes aligned to ITIL.
- Troubleshot Windows Server issues and supported SCOM management; contributed to configuration baselines and compliance.
- Functioned as Cloud Administrator for Azure and AWS, provisioned virtual machines, storage, and networking, and automated processes using Python and Ansible.
- Experience directly supports SOC detection context, vulnerability risk alignment, and incident containment in hybrid IT/OT environments.
Service Delivery Specialist
IBM India Pvt. Ltd.
Noida
02.2016 - 09.2018
- Led decommission project of more than 10,000 physical and virtual servers, coordinating with multiple stakeholder teams.
- Performed Windows Server and cluster patching via Ivanti; managed user rights, file permissions, and Group Policy design.
- Implemented NTFS permissions and OU-based policies to enforce least-privilege and operational standards.
Associate Corporate Liaison
Geekslab Technologies Pvt. Ltd.
Delhi
06.2014 - 04.2015
- Supported business development initiatives and strategy execution.
Education
B.Tech - Information Technology
Punjab Technical University
01.2014
Skills
- OT Security & ICS
- SOC & Incident Response
- SIEM (SumoLogic/Splunk)
- Threat hunting
- Vulnerability management
- Cloud and Infrastructure Management
- Project coordination
Certification
AWS Certified Solutions Architect – Associate, 01/01/21
Languages
- English
- Hindi
Timeline
Team Leader, OT SOC
Rockwell Automation
05.2021 - Current
Technology Analyst (Windows / VMware / Cloud)
Infosys Ltd.
09.2018 - 05.2021
Service Delivery Specialist
IBM India Pvt. Ltd.
02.2016 - 09.2018
Associate Corporate Liaison
Geekslab Technologies Pvt. Ltd.
06.2014 - 04.2015
B.Tech - Information Technology
Punjab Technical University