About The Position

Fidelity Investments is seeking a Principal Network Engineer to help lead the implementation of network segmentation and Zero Trust architectures across our enterprise infrastructure. This role focuses on designing, deploying, and optimizing micro-segmentation solutions that enhance security, improve visibility into network traffic, and reduce cybersecurity risk. Responsibilities include analyzing application traffic patterns, developing and enforcing segmentation policies, and supporting secure communication across data center and cloud environments. By modernizing network security controls, this role plays a critical part in protecting Fidelity’s technology ecosystem and business operations.

Requirements

  • 7+ years of experience in network engineering and data center networking
  • Hands-on experience with network segmentation platforms such as Illumio, Akamai Guardicore, or Cisco Secure Workload
  • Experience leading or supporting large-scale network segmentation, security transformation, or migration initiatives
  • Strong knowledge of TCP/IP networking, routing, switching, firewalls, access control policies, and network security principles
  • Experience analyzing application dependencies, network traffic flows, and east-west communication patterns to develop segmentation policies
  • Knowledge of Zero Trust architecture, Zero Trust Network Access (ZTNA), Secure Access Service Edge (SASE), and enterprise security frameworks
  • Experience implementing network security solutions across on-premises and cloud environments, including AWS, Azure, or Google Cloud Platform
  • Ability to troubleshoot network connectivity and security policy issues in complex enterprise environments
  • Experience integrating network security technologies with security monitoring, asset inventory, or configuration management platforms such as ServiceNow

Nice To Haves

  • Scripting or automation experience using Python, PowerShell, or APIs
  • Experience with Kubernetes, container networking, Linux, and Windows server environments
  • Experience working within financial services or other highly regulated industries

Responsibilities

  • Designing, deploying, and optimizing micro-segmentation solutions
  • Enhancing security, improving visibility into network traffic, and reducing cybersecurity risk
  • Analyzing application traffic patterns
  • Developing and enforcing segmentation policies
  • Supporting secure communication across data center and cloud environments
  • Modernizing network security controls
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