Description
Location: Remote

We are seeking a Senior Network Security Engineer/Architect with a robust security mindset and the ability to apply risk-based decision-making to drive the design, implementation, and operational management of enterprise network security controls. This role is responsible for securing hybrid environments across on-premises, cloud, and OT/PCN networks while advancing the organization's Zero Trust strategy.

The ideal candidate combines deep hands-on engineering expertise with architectural ownership and can lead complex initiatives, including M&A; integrations, security platform modernization, and the protection of high-trust environments. This role requires the ability to evaluate not only how to implement security solutions, but also whether they should be implemented based on risk, business requirements, and long-term security impact.

Responsibilities
Key Responsibilities
1. Security Architecture & Strategy
- Define and enforce enterprise network security standards, including firewall governance, least-privilege principles, and network segmentation.




- Design and drive Zero Trust architecture, including identity-aware and persona-based access controls.
- Develop secure network architectures for cloud, hybrid, and internet-facing environments.
- Lead network security workstreams for Mergers & Acquisitions (M&A;), including integration planning and risk reduction.
- Drive adoption and maturity of Zscaler capabilities and the organization's Zero Trust strategy.
- Design and implement security controls for Specific Use Networks (SUN) and other controlled environments.
- Architect and secure high-trust environments, including Operational Technology (OT) and Process Control Networks (PCN).

2. Network Security Engineering, Operations & Delivery
- Design, implement, and administer enterprise firewall solutions.
- Configure, manage, and optimize Zscaler (ZIA/ZPA) for secure internet and private application access.
- Manage and tune Web Applicat

📌 Senior Network Security Architect/Engineer (Bengaluru)
🏢 Solstice Advanced Materials
📍 Bengaluru