OT Cybersecurity Architect

Roles & Responsibilities :
       Design and implement comprehensive end-to-end cybersecurity architecture for OT/ICS environments.

       Develop and maintain security reference architectures and blueprints for Linux-based SCADA control systems

       Conduct comprehensive threat modeling risk assessments and vulnerability analysis for critical infrastructure systems

       Define network segmentation strategies and security zones for OT/IT convergence environments

       Establish defense-in-depth strategies and implement zero-trust principles for industrial control systems

       Lead enterprise-wide Linux hardening initiatives including OS-level security configurations secure boot implementation.

       Design and enforce file system security policies implement robust logging and auditing mechanisms and establish continuous monitoring frameworks

       Harden network stack configurations including firewall rules secure protocol implementations and network segmentation strategies

       Develop and maintain Linux hardening baselines security benchmarks and automated compliance validation frameworks

       Minimize attack surface through service reduction secure default configurations and elimination of unnecessary software components

       Implement security controls Required to secure MQTT communication protocols.

       Design and implement secure architectures for visualization platforms

       Establish OT-specific security monitoring anomaly detection and incident response capabilities

       Develop and implement security controls for web-based UI/UX operational dashboards

       Collaborate with development teams to embed security into web applications ensuring secure coding practices

       Ensure implementation and enforcement of IEC 62443 controls during the development and deployment phases.

       Maintain compliance with global OT cybersecurity best practices and regulatory requirements

       Develop and maintain security policies procedures and technical documentation

       Perform regular vulnerability assessments penetration testing coordination and security gap analysis

       Stay current with emerging threats vulnerabilities and security technologies relevant to OT/ICS environments

Qualifications :

Mandatory Skills

• Linux Security Architecture & Hardening

• OT/ICS Cybersecurity Architecture Design

• OT Risk Assessment & Risk Management Frameworks

• SCADA Security (Linux-Based Control Systems)

• Network Security & Segmentation

• MQTT Protocol Security

• IEC 62443 Implementation & Compliance

• Defense-in-Depth Security Architecture

• Vulnerability Management & Threat Modeling

• OT Security Monitoring Logging & Incident Response

Good-to-Have Skills

• Energy / Battery Storage / Renewable Energy Domain Experience

• Advanced UI/UX Security

• DevSecOps Integration

• SIEM & SOAR Platforms (Splunk QRadar Sentinel)

• Advanced Threat Intelligence & Threat Hunting

• Endpoint Detection & Response

Education & Experience

       Bachelors degree in computer science Cybersecurity Information Technology Engineering or related field

       10-12 years of experience in cybersecurity

       Expert-level knowledge of Linux system hardening and secure configuration

       Extensive hands-on experience in OT cybersecurity SCADA systems and ICS environments

       Proven expertise in implementing IEC 62443 controls and compliance frameworks for industrial systems

       Strong knowledge of MQTT protocol security including TLS/SSL implementation authentication mechanisms and authorization controls

       Experience securing web-based applications and UI/UX systems with knowledge of OWASP Top 10

       Strong understanding of network security principles including firewalls VPNs network segmentation and secure protocols

Preferred Qualifications

       Masters degree or Bachelor Degree in Cybersecurity Computer Science or related technical field

       Professional certifications such as GICSP (Global Industrial Cyber Security Professional) CISSP CISM CEH or OSCP

       Specific experience in the energy sector renewable energy or battery energy storage systems

Remote Work :

No

Employment Type :

Full-time