Job 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
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 settings, including Operational Technology (OT) and Process Control Networks (PCN).
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 Appl

📌 Senior Network Security Architect/engineer Bengaluru
🏢 Solstice Advanced Materials
📍 Bengaluru