Principal Network Architect - Zero Trust & Segmentation

Socket.dev; Westlake (TX); On-site; USD 180,000 - 230,000; Full time

Job summary

Fidelity is seeking a Principal Network Engineer to lead data center segmentation initiatives, implementing micro-segmentation and Zero Trust controls across on-prem and multi-cloud environments.

The role collaborates with security and infrastructure teams to improve east-west visibility, reduce attack surface, and enforce least-privilege access in a high-regulation financial services setting.

Qualifications

• 7–10+ years of experience in network engineering and data center networking.
• Experience with large-scale segmentation or migration projects.
• Hands-on experience with segmentation platforms and security tooling.

Responsibilities

• Design and implement network segmentation and micro-segmentation strategies across data centers.
• Develop Zero Trust network architectures aligned with security policies.
• Define segmentation models (application-centric, environment-based).
• Deploy segmentation platforms across on-prem and cloud data centers; create and enforce security policies for east-west traffic.
• Integrate tooling with firewalls, SIEM/SOAR, and CMDB/assets systems.
• Monitor segmentation effectiveness and tune policies; troubleshoot connectivity issues.

Skills

Network engineering

Data center networking

Segmentation platforms

Illumio

Guardicore

Cisco Secure Workload

Tetration

Tools

Illumio

Guardicore

Cisco Secure Workload

Tetration

Job description

Fidelity is seeking a Principal Network Engineer to lead data center segmentation initiatives, implementing micro-segmentation and Zero Trust controls across on-prem and multi-cloud environments.

The role collaborates with security and infrastructure teams to improve east-west visibility, reduce attack surface, and enforce least-privilege access in a high-regulation financial services setting.