About Position:

We are seeking an experienced OT Security Architect with robust expertise in Operational Technology (OT), Industrial Control Systems (ICS), and Network Security to lead the design and implementation of secure, resilient, and compliant IT/OT/Cloud security architectures. The ideal candidate will play a critical role in protecting business-critical operational environments by implementing Zero Trust principles, securing industrial networks, and ensuring compliance with industry standards such as IEC 62443, NERC CIP, NIST, and ISO 27017. This role requires deep technical expertise, architecture leadership, stakeholder engagement, and hands-on experience in securing complex OT environments across energy, utilities, industrial automation, and cloud-connected operational platforms.
- Role: Architect - OT Security (Network Security)
- Location: All Persistent Locations
- Experience: 10 to 15 Years
- Job Type: Full Time Employment

What You‘ll Do:
- Design and govern secure IT, OT,



and cloud-connected network architectures aligned with industry security standards and operational requirements.
- Develop and implement defense-in-depth security strategies for OT and ICS environments.
- Define network segmentation, VLANs, DMZ architectures, routing, switching, VPNs, and secure remote access controls.
- Lead Zero Trust security initiatives including ZTNA, MFA, PAM, and identity-based access control implementation.
- Architect secure data flows between industrial systems, enterprise networks, cloud platforms, and remote operational environments.
- Design and implement secure cloud-connected OT architectures leveraging AWS security services and controls.
- Establish architecture guardrails, security standards, hardening baselines, and implementation best practices.
- Conduct threat modeling, security assessments, risk reviews, and vulnerability management activities.
- Support compliance assessments against IEC 62443, NERC CIP, NIST, ISO 27017, CRA, and customer-s

📌 Architect - OT Security (Network Security) (Pune)
🏢 Persistent Systems
📍 Pune