Freelance Opportunity - Senior Network Security / Zero Trust Security Architect

Position: Network Security / Zero Trust Security Architect

Job Type: Part-Time | Remote | Freelance/Contract

About the Role

We are looking for an experienced Network Security / Zero Trust Security Architect to design and implement enterprise security architectures across hybrid network environments.

The ideal candidate should have strong hands-on expertise in Juniper SRX firewalls, Zscaler ZIA/ZTNA, Micro-Segmentation, Zero Trust, WAAP, and network security architecture.

Key Responsibilities

• Design and implement enterprise-wide Micro-Segmentation strategies to reduce attack surfaces.
• Lead Zero Trust security initiatives, including deployment and optimization of ZTNA solutions.
• Architect and support WAAP solutions for securing web applications and APIs.
• Design, implement, and manage Juniper SRX firewalls and security policies across hybrid environments.
• Develop security architectures aligned with Zero Trust principles, compliance requirements, and enterprise standards.
• Conduct security assessments, threat modeling, and risk analysis.
• Collaborate with network, cloud, application, and security operations teams.
• Develop security roadmaps, standards, and security best practices.
• Troubleshoot complex network and security issues across global environments.
• Support incident response and remediation activities.
• Provide technical leadership and guidance to engineering and operations teams.

Required Skills

Juniper SRX Firewalls

Zscaler ZIA

Zscaler ZTNA

Zero Trust Architecture

Micro-Segmentation

WAAP / Web Application & API Security

Network Security Architecture

Hybrid Network Security

Threat Modeling & Risk Assessment

Security Incident Response