12.11.2025 aktualisiert

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ICS/OT Cybersecurity, Risk Management

Frankfurt, Deutschland
Deutschland
Master in Computer Science
Frankfurt, Deutschland
Deutschland
Master in Computer Science

Profilanlagen

Sachin.Gaur-OT_E4.0.pdf

Über mich

18+ years of experience leading cybersecurity programs in industrial and critical infrastructure environments. Proven expertise in ICS/OT security, risk management, compliance, and incident response. Skilled in aligning cybersecurity strategy with business objectives, managing cross-functional teams

Skills

GeschäftskontinuitätGeschäftsplanComplianceInformationssicherheitDatensicherheitDisaster RecoveryIncident ResponseSteuerungGovernance-Risikomanagement und ComplianceHealth Information ManagementSCADAIt-RisikomanagementInfrastrukturIntrusion Detection SystemIso27000ISO / IEC 27001Iso 2700XNetwork SecurityModbusNetzwerk-SegmentierungOperational Risk ManagementSpeicherprogrammierbare SteuerungenProfibusProfinetReferenzarchitekturOPC Unified ArchitectureSiemVulnerabilitätVulnerability ManagementIEC 62443TisaxNational Institute Of Standards And Technology (NIST)It-sicherheitsstandardsRisikoeinschätzungFirewallsTeam ManagementDSGVOSicherheitsbestimmungenRisikomanagement
Summary
Results-driven Cybersecurity Manager with 18+ years of experience leading cybersecurity programs in
industrial and critical infrastructure environments. Proven expertise in ICS/OT security, risk
management, compliance, and incident response. Skilled in aligning cybersecurity strategy with
business objectives, managing cross-functional teams, and implementing security frameworks (ISA/IEC
62443, NIST, ISO 27001)
Core Competencies
• OT/ICS Security Architecture & Strategy, Purdue Enterprise Reference Architecture.
• Risk Assessment & Vulnerability Management,
• Regulatory Compliance (IEC 62443, NIST, ISO 27000 series, TISAX, GDPR, EU CRA)
• Security Operations & Incident Responses, Team leadership.
• Network Segmentation & Zero Trust for IT/OT
• Industrial Protocols (Modbus, DNP3, OPC UA, Profibus, Profinet)
• PLCs, HMIs, SCADA, DCS systems, and common protocols and their operational risks.
• SIEM, IDS/IPS, Firewalls, Endpoint Protections, Network Security, Data Security.
• Vendor, Stakeholder Engagements & Third-Party Risk Management
• Business Continuity & Disaster Recovery

Erfahrung

Berufserfahrungmehr als 10 Jahre
Freelancer seit2020

Sprachen

DeutschGrundkenntnisseEnglischMuttersprache

Projekthistorie

OT/ICS Cybersecurity Manager

Continental Automotives GmbH

Automobil und Fahrzeugbau

>10.000 Mitarbeiter

Oversee multiple OT cybersecurity projects across various global plant locations.
• Lead comprehensive assessments of ICS/OT systems (PLC, HMI, SCADA, DCS), networks,
and assets to identify and mitigate potential security risks by using ISA/IEC 62443, NIST SP
800-82, NIST CSF 2.0.
• Collaborate with internal and external stakeholders to integrate security throughout all product
phases, connecting the centralized IT organization with business units and production plants.
• Successfully implemented IT/OT network segmentation/Risk Management projects to reduce
the attack surface of our OT network and developed an OT cybersecurity strategy that
decreased cyber risk by utilizing ISA/IEC 62443 and NIST Standards.
• Conduct risk management, perform vulnerability assessments, and offer recommendations for
mitigating IT and OT cybersecurity risks.
• Establish standards and regulations, baseline controls, and security protocols for IT and OT
infrastructures, ensuring compliance with ISA/IEC 62443, ISO/SAE 21434, ISO 27000 series,
and NIST Frameworks.
• Provide security training, raise awareness, and promote a security-first culture.
• Knowledge of the Perdue Enterprise Reference Architecture (PERA)

Security Technology Manager

Tech Mahindra GmbH

Automobil und Fahrzeugbau

>10.000 Mitarbeiter

  • Responsible for creating tools and systems to detect and prevent vulnerabilities and weaknesses.
  • Created and managed cybersecurity standards, baseline, and security procedures for IT and OT (Operational Technology) infrastructures.
  • Develop the schedule, budget, and resource planning for the project.
  • Communicate progress reports to senior management and project stakeholders.
  • Working closely with Cybersecurity Engineers, Product Managers, and QA teams.

Architect - Technology

Cognizant Technology Solutions (CTS); TTT Moneycorp Ltd. - Commercial Foreign Exchange (CFX)
TTT Moneycorp Ltd. - Commercial Foreign Exchange (CFX)
A London based leading Money transfer and foreign exchange Company offering foreign exchange
services to individual and corporate customers. It operates in a number of countries and also
provides bulk foreign notes and travel money services via a number of travel companies and airlines.
Technologies & Tools
Visual studio 2015, .NET, C#, ASP.NET, Web API, MVC, Restful services, AngularJs, JavaScript,
Require JS,
Scrum Agile Development, TFS, Perforce, MS SQL Server, MongoDB.

Contribution
* Define the architecture of the application and design the framework for the application in
AngularJS 1.2 and .NET 4.6
* Design Restful services using ASP.NET Web APIs.
* Prepared technical design documents for the system
* Identified areas for growth and improvement and applied performance engineering on
applications.
* Coding and unit testing of the system
* Code mantainece and enhancement of the system
* Mentor Technical team members.

Technology Consultant

NIIT Technologies Ltd
Channel4 Television UK Ltd. - A London based leading Media company provides Video on Demand (VoD),
to make all its home-grown programming available on an on demand basis. UK viewers will be able to
go online at any time to catch up with any programs they've missed. Video on demand (VoD) is systems
which allow users to select and watch video content when they choose to, rather than having to watch
at a specific broadcast time.
Technologies & Tools
Visual studio 2013, MS SharePoint, .NET 4.5, ASP.NET MVC, C#, Oracle PL/SQL, WCF, Scrum Agile
development and TFS, SiteCore 7.0
Contribution
* Design architecture for various different components using ASP.NET MVC and C#
* CMS implementation in SiteCore 7.0
* Prepared technical design documents for the system
* Implemented service oriented architecture and integration with external services.
* Code mantainece and enhancement for the system
* Defined the best development practices and coding guidelines for the developers
* Coding in C#, ASP.NET MVC and unit testing for the system
* Mentor technical team members
Travelocity Igougo, Web Travel Community - A US based travel service Provider Company provides
users to share their travelling experiences, photos, journals, destination reviews.

Technologies & Tools
Visual Studio 2010, .NET 4.0, Sitecore 7.0 CMS, ASP.NET, C#, ASP .NET, MVC 4.0, SQL Server 2008,
Memcached

Contribution
* Design architecture for various different components using ASP.NET MVC and C#
* Identified the Caching areas for the application and implemented Memcached Server
general-purpose distributed memory caching system
* Configured CMS server in Sitecore and implemented CMS in Sitecore
* Implemented Publish and Subscribe based Sql Server 2008 database Replication
* Proof of concept (POCs) on Memcached and Sql Server Replication
* Code mantainece and enhancement of the system
* Coding and unit testing of the system
* Performed as a self contributor role

Senior .NET Developer

RMSI Pvt. Ltd
Account Fire Model - Property Fire Insurance
RMS, A California, US based Insurance product company combines fire loss modeling and data to
provide a
Front-office underwriting system for property insurance. AFM provides improved decision support and
Workflow efficiency while helping companies rollout underwriting systems more quickly and at a
lower cost.

Technologies & Tools
Visual Studio 2008, .NET 3.0, ASP.NET, C# 3.0, Visual Studio 2008, SQL Server 2005
Contribution

* Design, developed and implemented critical components in a .Net environment.
* Coordinate with architects and business analysts to determine functionalities
* Coding in ASP.NET, C# and wrote unit test cases for the system
Data Solution Portal - Insurance domain
RMS, A California, US based Insurance product company allows uploading and downloading quote &
bound
(Insurance Files) data files for cleansing at client office. It also provides the process tacking
of account
Submitted by clients. These are typically Clients, DES Team members and Account Manager.

Technologies & Tools
.NET Framework 3.0, C# 3.0, Visual Studio 2008, SQL Server 2005

Contribution

* Design, developed and implemented critical components in a .Net environment.
* Coding in ASP.NET, C# and wrote unit test cases for the system
* Proof of concept (POCs) on Telerik UI controls for ASP.NET AJAX
* Code review and Bug fixing
Job Description Manager - HR domain
A California, US based human resources service provider provides a web portal for U S Client BLR
(Business
Legal & Reports). Application provides the customization of job requirement.

Contribution

* Design, developed and implemented critical components in a .Net environment.
* Coding in ASP.NET, C# and wrote unit test cases for the system
* Code review and Bug fixing
Technologies & Tools
.NET 2.0, ASP.NET, C#, Visual Studio 2005, SQL Server 2005, JavaScript

NET Developer

VGL Softech Ltd
Air India Express: Computerized reservation system Air India, Indian based Travel service provider
online reservation system for Air India Express. Users can search flight schedule by giving search
criteria and select flight and confirm their seats by online payment using payment gateway.
Technologies & Tools
. NET 2.0, C#, Visual Studio 2005, MS SQL Server 2005, JavaScript

Contribution
* Design, developed and implemented critical components in a .Net environment.
* Coding in ASP.NET, C# and wrote unit test cases for the system
* Code review and Bug fixing

NET Developer

Dwarka Infotech Pvt. Ltd
DDWS IMIS-Integrated Management Information System
An Indian based Department of drinking water supply project basically focuses on the needs of
drinking water supply from the rural areas of all over India. This project also takes care of all
the schemes and the plans that are taken by Govt. to provide better facilities on the rural areas.
Technologies & Tools
.NET 1.1, C#, ASP.NET, Visual Studio 2003, SQL Server 2000, JavaScript

Contribution

* Design, developed and implemented critical components in a .Net environment.
* Coding in ASP.NET, C# and wrote unit test cases for the system
* Code review and Bug fixing

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